Abstract

An automatic uncoupled charging device includes a control system, a power system, a charging system, and an auxiliary system. The control system is equipped with a programmable circuit to control a screw speed. Explosives are charged into a container through manual handling or flowing from a mixed explosive vehicle. Explosive bags with different diameters are installed at the bottom of a discharge port. The device is set to start with one click, and the screw drives the explosive into the bag, achieving uncoupled charging. An automatic uncoupled charging method applying to the automatic uncoupled charging device not only reduces labor intensity, achieves fast charging, improves labor efficiency, but also achieves the goal of “mechanization reducing personnel”, further advancing towards the essential safety of blasting construction.

IPC Classes  ?

• F42D 1/10 - Feeding explosives in granular or slurry formFeeding explosives by pneumatic or hydraulic pressure

Abstract

A mesoporous molecular sieve-based solid acid-base catalyst, a preparation method therefor, and an application thereof in the synthesis of transformer insulating oil. The preparation method of the mesoporous molecular sieve-based solid acid-base catalyst comprises the following steps: synthesizing a hard template, preparing a catalyst framework, preparing a precursor, and preparing a solid acid-base catalyst. The mesoporous molecular sieve-based solid acid-base catalyst has separate topological spaces for alkaline and acidic active sites, thereby effectively preventing the poisoning of alkaline active sites by free fatty acids, decreasing the grade requirements of raw materials, expanding the sources of raw materials, and reducing the synthesis cost of transformer insulating oil.

IPC Classes  ?

• B01J 29/03 - Catalysts comprising molecular sieves not having base-exchange properties

Abstract

A solid acid-base catalyst for producing transformer insulating oil as well as a preparation method therefor and the use thereof. By building a catalyst basic skeleton, leaching a macroporous template in the catalyst skeleton and supporting a solid superacid active site, the solid acid-base catalyst for producing transformer insulating oil is obtained. The prepared solid acid-base catalyst can achieve an acid-base cascaded catalytic conversion process by means of an one-pot method, so as to obtain a fine chemical product having a high added value, eliminates multiple intermediate separation and purification process steps, involves a simple process, achieves high atomic efficiency and energy efficiency, is friendly to the environment, and greatly saves equipment investment and operation costs.

IPC Classes  ?

• B01J 27/053 - Sulfates
• C10M 105/32 - Esters
• C11C 3/04 - Fats, oils or fatty acids obtained by chemical modification of fats, oils or fatty acids, e.g. by ozonolysis by esterification of fats or fatty oils
• C10N 40/08 - Hydraulic fluids, e.g. brake-fluids

Abstract

A biomass powder impurity removal, baking and automatic treatment system includes a biomass powder lump treatment assembly, a dust removal assembly, a sealed baking treatment assembly and a cooling collection assembly. A suction port of the dust removal assembly is connected with a dust removal port of the biomass powder lump treatment assembly and a dust removal port of the sealed baking treatment assembly through pipes to collect lightweight dust. A biomass powder material containing lumps enters the sealed baking treatment assembly after being re-crushed into powder through the biomass powder lump treatment assembly, and the biomass powder material is baked into semi-coke by the sealed baking treatment assembly. The semi-coke is weighed and packed after being cooled by the cooling collection assembly.

IPC Classes  ?

• B09B 3/40 - Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
• B09B 3/35 - Shredding, crushing or cutting

Abstract

The invention provides a method for increasing wear resistance of a surface of a crankshaft, including: dividing a journal of a crankshaft into a journal coating portion and two journal grinding portions located on two sides of the journal coating portion; the surface of the journal grinding portion is higher than that of the journal coating portion, and higher than the surface of the journal of a finished crankshaft, the surface of the rounded corner of the crankshaft is higher than that of the rounded corner of the finished crankshaft, and the size of the journal coating portion is smaller than that of the journal of the finished crankshaft; and spraying a ceramic coating on the surface of the journal coating portion, grinding the surfaces of the journal and the rounded corner until the ceramic coating and the surface of the rounded corner are seamlessly joined, and performing polishing.

IPC Classes  ?

• C23C 24/08 - Coating starting from inorganic powder by application of heat or pressure and heat

Abstract

A cleaning screen structure of combined chaffers with different heights. The cleaning screen structure comprises shorter chaffer pieces (1), longer chaffer pieces (2), a screen box (3), crank shafts (4), a fixed seat (5), a pull plate (6) and an angle adjustment assembly, wherein the crank shafts (4) are hinged to two side walls of the screen box (3); the shorter chaffer pieces (1) and the longer chaffer pieces (2) are welded on the crank shafts (4) at intervals; bottom ends of the crank shafts (4) are hinged to the pull plate (6) by means of the fixed seat (5); and the angle adjustment assembly is connected to the pull plate (6) at one end and is connected to the screen box (3) at the other end, and is used for adjusting the angles of the shorter chaffer pieces (1) and the longer chaffer pieces (2).

IPC Classes  ?

• B07B 1/46 - Constructional details of screens in generalCleaning or heating of screens
• A01F 12/44 - Grain cleanersGrain separators

Abstract

A method for judging freshness of cultured fish product based on eye image recognition is provided, which relates to the field of image processing and includes the following steps: obtaining eye area and eye center point of each cultured fish product; obtaining a first data category and a second data category of each gray scale change sequence according to each gray scale change sequence of each eye area; calculating a first mean value and a second mean value of each gray scale change sequence; obtaining the fish eye turbidity of each eye area according to the first mean value and the second mean value; obtaining the fish eye plumpness of each eye area according to the first data category and the second data category; and obtaining the freshness of each cultured fish product according to the fish eye turbidity and fish eye plumpness in each eye area.

IPC Classes  ?

• G06T 7/00 - Image analysis
• G06T 7/11 - Region-based segmentation
• G06T 7/136 - SegmentationEdge detection involving thresholding
• G06V 40/18 - Eye characteristics, e.g. of the iris
• G06V 20/68 - Food, e.g. fruit or vegetables
• G06T 7/12 - Edge-based segmentation

Abstract

The invention provides a method for increasing the quality of graphite balls. The method comprises melting molten iron in an electric furnace, increasing the sulfur content in the molten iron during the melting process, and adding rare earth in the electric furnace or in a nodularizing ladle; after the molten iron is completely melted, pouring the molten iron into the nodularizing ladle and nodularizing; and after nodularization, adding ferromanganese to a transfer ladle. In the present invention, sulfur is added to molten iron in advance, and rare earth is added to a nodularizing ladle previously, so that a large number of dispersed rare earth sulfide particles are formed in the molten iron during the nodularization process. Rare earth sulfide particles serve as the nuclei of graphite crystallization to increase the number of graphite balls, and improve the roundness of graphite balls.

IPC Classes  ?

• C22C 33/08 - Making cast-iron alloys
• C22C 33/04 - Making ferrous alloys by melting
• C22C 37/04 - Cast-iron alloys containing spheroidal graphite

Abstract

A corn ear picking roller structure for strengthening stem grabbing includes a header, a seedling divider, a seedling pulling chain, a clamping chain, a seedling pressing plate, and an ear picking device. The seedling divider is connected to a front end of the header, the seedling pulling chain is connected to the header and located on a lower side of the seedling divider, the clamping chain is connected to the header and located on a lower portion of the seedling pulling chain, the ear picking device is connected to the header and located on one side of the seedling divider, and the seedling pressing plate is connected to a top end of the ear picking device. The ear picking device includes a left ear picking roller and a right ear picking roller, and each of the left and right ear picking rollers is provided with an inequilateral multi-edge structure.

IPC Classes  ?

• A01D 45/02 - Harvesting of standing crops of maize

Abstract

Disclosed in the present invention is a structure of a corn ear picking roller strengthening a stem grasping capability, which relates to the technical field of agricultural machinery. The structure of the corn ear picking roller comprises a header, a divider, a reel chain, a clamping chain, a pressing plate, and an ear snapping unit, wherein the divider is connected to a front end of the header, the reel chain is connected to the header and is located on a lower side of the divider, the clamping chain is connected to the header and is located at a lower portion of the reel chain, the ear snapping device is connected to the header and is located on one side of the divider, and the pressing plate is connected to a top end of the ear snapping device; and the ear snapping device comprises a left ear snapping roller and a right ear snapping roller, wherein the left ear snapping roller and the right ear snapping roller are each provided with a non-equilateral polygonal structure, a groove edge structure is provided on an edge surface of the non-equilateral polygonal structure, and the groove edge structure has a stem grasping capability strengthening structure. The polygonal structure of a corn ear picking roller strengthening a stem grasping capability provided in the present invention obviously improves the stem grasping strength during exciting and snapping, improves the stability of exciting wave transmission, and ensures the reliability of separation of ears from stems.

IPC Classes  ?

• A01D 45/02 - Harvesting of standing crops of maize

Abstract

Disclosed is a two-layer three-rail planar robot with a parallelogram, including a fixed platform, a moving platform, and three branched chains. Three planar curved rails I are provided on the fixed platform. Three planar curved rails II are fixedly connected to the moving platform. Each planar curved rail I is connected to a planar curved rail II corresponding to the planar curved rail I by one of the branched chains. Each of the branched chains includes a slider I, two connecting rods provided in parallel, a slider II. The slider I is slidably connected to the planar curved rail I. The slider I is rotatably connected to one end of each connecting rod by a revolute pair I, the other end of the connecting rod is rotatably connected to the slider II by a revolute pair II. The slider II is slidably connected to the planar curved rail II.

IPC Classes  ?

• B25J 9/00 - Programme-controlled manipulators
• B25J 5/02 - Manipulators mounted on wheels or on carriages travelling along a guideway

Abstract

A single-layer three-section rail-type planar robot containing a double parallelogram, is composed of a stationary platform, a motion platform and three branched chains with the same structure connecting the stationary platform and the motion platform, the stationary platform is provided with three planar curved rails, each planar curved rail is connected to the motion platform through a branched chain, and each branched chain includes a slider, two link bars I arranged in parallel, two link bars II arranged in parallel, and link bar III, select one revolute joint I in each branched chain to form three revolute joints I as the main driving joint or three sliders as the driving parts.

IPC Classes  ?

• B25J 9/00 - Programme-controlled manipulators
• B25J 9/10 - Programme-controlled manipulators characterised by positioning means for manipulator elements
• B25J 17/02 - Wrist joints

Abstract

A large-load unmanned aerial vehicle (UAV) for plant protection with adjustable spraying swath and pesticide application amount is provided, relating to the technical field of pesticide application of unmanned aerial vehicles. The large-load unmanned aerial vehicle for plant protection comprises a large-load unmanned aerial vehicle, a pesticide box, a variable pesticide application system, and adjustable spraying swath mechanisms, wherein the pesticide box is fixed to landing gears of the unmanned aerial vehicle and is positioned below a control platform of the unmanned aerial vehicle; the adjustable spraying swath mechanisms are arranged on the landing gears, the variable pesticide application system is connected with the pesticide box and the adjustable spraying swath mechanisms, the variable pesticide application system and the adjustable spraying swath mechanisms are electrically connected with the control platform, and the control platform is in communication connection with a remote control handle.

IPC Classes  ?

• B64U 10/13 - Flying platforms
• B64D 1/18 - Dropping or releasing powdered, liquid or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• B64U 101/00 - UAVs specially adapted for particular uses or applications
• B64U 101/45 - UAVs specially adapted for particular uses or applications for releasing liquids or powders in-flight, e.g. crop-dusting

Abstract

An annular shaped-charge and blasting housing and a use method thereof are provided. The annular shaped-charge and blasting housing includes a PVC segment and multiple notch grooves. Grooves are notched on a W-shaped PVC segment formed by machining. The notching angle of the groove and the spacing distance between the grooves can be adjusted according to use requirements. And, the W-shaped PVC segment after being cut may not be limited to have eight notch grooves, and the number of the notch grooves of a single one PVC segment can be adjusted according to actual working conditions. The PVC segment can be folded and closed to form the annular shaped-charge and blasting housing. Therefore, the housing of the embodiments is simple in production, the linear segment can be bended and folded by utilizing the plasticity of the PVC material. The manufacturing process of the housing is simple and feasible. The housing of the embodiments is convenient to use and can meet the requirements of the annular shaped-charge cutting in blasting engineering. Meanwhile, the housing of the embodiments are widely applied. Further, the housing is not only applicable to annular shaped-charge cutting for the bottoms of holes to improve the planeness of the tunnel faces or the berm for the bench blasting, but also applicable to the cut blasting to improve the cut effect.

IPC Classes  ?

• F42B 1/02 - Shaped or hollow charges
• F42B 1/028 - Shaped or hollow charges characterised by the form of the liner
• F42B 1/00 - Explosive charges characterised by form or shape but not dependent on shape of container
• F42D 1/00 - Blasting methods or apparatus, e.g. for loading or tamping
• F42B 3/00 - Blasting cartridges, i.e. case and explosive
• F42B 3/08 - Blasting cartridges, i.e. case and explosive with cavities in the charge, e.g. hollow-charge blasting cartridges
• F42B 1/036 - Manufacturing processes therefor

Abstract

Provided are an unequal-channel angular self-bending extrusion die and a method for designing and manufacturing the same and extrusion method thereof and includes following steps: designing a symmetrical streamlined extrusion die based on sine function; making the medial axis of the die cavity of the symmetrical streamlined extrusion die twisted and deformed on a certain plane; establishing the die cavity wall surface equation of the unequal-channel angular self-bending extrusion die; setting a working belt structure downstream the die cavity of the unequal-channel angular self-bending extrusion die.

IPC Classes  ?

• B21C 23/12 - Extruding bent tubes or rods
• B21C 23/00 - Extruding metalImpact extrusion
• B21C 25/02 - Dies
• B21C 25/10 - Making tools by operations not covered by a single other subclass
• G06F 30/17 - Mechanical parametric or variational design

Abstract

The present invention relates to the technical field of organic wastewater treatment, and specifically, to a treatment method for isooctyl thioglycolate production wastewater and a treatment apparatus thereof. A granular activated carbon-loaded Fe catalyst is used as an adsorbent and filled into an adsorption tower in advance; the isooctyl thioglycolate production wastewater flows through the adsorption tower, and organic matters in the wastewater are fully adsorbed by the adsorbent to implement the separation of the organic matters from salts in the wastewater; the wastewater then enters an evaporation apparatus for desalinization; distilled water is condensed and then reused as reclaimed water; and an evaporation mother liquor passes through a salt removal filter to obtain a solid salt as a by-product for sale. In the present invention, after salt-containing organic wastewater is adsorbed and desalinized, the COD removal rate of the distilled water is above 99%, and the TOC content in the solid salt is very small. According to the treatment apparatus of the present invention, two adsorption towers A and B are alternately used; after the adsorption tower A reaches adsorption saturation, the temperature is raised and air is introduced to perform catalytic oxidative degradation; and the wastewater enters the adsorption tower B to separate the organic matters from the salts, such that the apparatus can run continuously.

IPC Classes  ?

• C02F 9/10 - Thermal treatment
• C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds

Abstract

The present invention relates to the technical field of preparation of composite phase-change energy storage materials, and in particular to a method for preparing a composite phase-change energy storage material based on waste straw. In the method for preparing a composite phase-change energy storage material based on waste straw of the present invention, pretreatment is carried out on corn stalks, thermal conductivity is realized by loading polypyrrole, and a shape-stable composite phase-change energy storage material is prepared using a melt blending method and by the cross-linking of sodium alginate and Ca2+. Experimental results show that the composite phase-change energy storage material can be coated with 60-90% polyethylene glycol and has good thermal performance and cycle stability. The latent heat of melt blending is 40.81-145.8 J/g. The method can achieve functional utilization of waste straw.

IPC Classes  ?

• C09K 5/06 - Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice-versa

Abstract

The present invention belongs to the technical field of novel composite materials, and particularly relates to a multifunctional bio-based wearable sensing gel and a preparation method therefor. The raw materials of the sensing gel consist of flour, a graphene oxide solution, a glycerol solution, and an ascorbic acid solution, wherein the mass volume ratio of the flour to the graphene oxide solution is 1.65-2.5 : 1, the unit being g/ml; the mass volume ratio of the ascorbic acid solution to the graphene oxide solution is 1 : 12.5, the unit being g/ml; and the graphene oxide solution has a concentration of 0.1-4 mg/ml. The multifunctional bio-based wearable sensing gel prepared by using the method of the present invention has an excellent mechanical strength, freezing resistance, moisture retention and electrical conductivity, and a high adhesion, and can be recycled. Compared with a traditional biomass sensing gel, the effective working temperature range of the gel is wider, and the service life is longer.

IPC Classes  ?

• G01D 18/00 - Testing or calibrating apparatus or arrangements provided for in groups
• G01N 3/08 - Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
• G01N 3/24 - Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
• G01N 3/20 - Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
• G01N 19/04 - Measuring adhesive force between materials, e.g. of sealing tape, of coating
• G01N 25/00 - Investigating or analysing materials by the use of thermal means

Abstract

The present disclosure provides a driving control strategy for a hybrid energy system based on a fuel cell, a lithium battery and an electric flywheel battery, and belongs to the field of electric vehicle (EV) control. According to a state of each of a vehicle, the fuel cell, the lithium battery, the electric flywheel battery and a clutch, the driving control strategy controls the hybrid energy system to operate in multiple driving modes. In the heavy-load driving condition, the present disclosure takes the "peak-load shifting" effect through the high energy densities and high power densities of the lithium battery and the electric flywheel battery, thus effectively reducing the output of the peak power of the fuel cell, and significantly prolonging the service life of the fuel cell.

IPC Classes  ?

• B60W 20/00 - Control systems specially adapted for hybrid vehicles
• B60L 50/30 - Electric propulsion with power supplied within the vehicle using propulsion power stored mechanically, e.g. in fly-wheels
• B60L 50/70 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
• B60L 50/75 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using propulsion power supplied by both fuel cells and batteries

Abstract

An driving motor with hybrid excitation of electromagnetism and invisible magnetic pole, wherein each magnetic pole comprises two first magnets, one second magnet and one third magnet; wherein the first magnet is placed along a diameter direction of a rotor core, the second magnet is located at a middle and lower portion of two first magnets of each magnetic pole corresponding to the second magnet at a diameter direction, and a magnetic isolation groove is disposed at an inner end of the first magnet and extends toward two sides of the inner end of the first magnet. The magnetic isolated air gap can adjust a spatial distribution of a magnetic field generated by permanent magnets of each pole to replace the permanent magnets, so as to save the number of the permanent magnets, reduce the weight of the motor, and reduce the cost of the motor.

IPC Classes  ?

• H02K 1/27 - Rotor cores with permanent magnets
• H02K 1/276 - Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
• H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets

Abstract

A lithium salt easily soluble in an organic solvent and having a flame-retardant function and a lithium-ion battery flame-retardant electrolyte thereof are provided. The lithium salt is poly(lithium phosphate) phosphazene partially substituted by alkyl aromatic oxy groups, and has a structural general formula: [(R—Ar—O)x(P═N)n(Li2O3P)2n-x]. The novel flame-retardant electrolyte is compounded from the lithium salt and a phosphate intermediate thereof [(R—Ar—O)x(P═N)n(R′2O3P)2n-x] according to a mass ratio of 10:1-1:1. The electrolyte is easily soluble in an organic solvent. A liquid electrolyte is prepared according to an amount of 8%-45% to obtain the novel flame-retardant liquid electrolyte. The liquid electrolyte has good lithium ion conductivity and good flame-retardant properties, and is used in lithium-ion batteries, lithium-sulfur batteries, lithium carbon fluoride batteries or lithium-oxygen batteries.

IPC Classes  ?

• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 10/0568 - Liquid materials characterised by the solutes
• H01M 10/0569 - Liquid materials characterised by the solvents
• H01M 10/0567 - Liquid materials characterised by the additives
• C08G 79/025 - Polyphosphazenes

Abstract

The present disclosure provides a method for controlling an amount of silicon added to ductile cast iron, a method for casting ductile cast iron, and a cast product, which relate to the technical fields of metallurgical and cast iron alloys. The method for controlling an amount of silicon added to ductile cast iron includes smelting ductile cast iron using scrap steel as a raw material. After the scrap steel is melted into molten iron, a copper alloy is added so that the molten iron has a copper equivalent of 0.8% to 1.0%, wherein the copper equivalent is controlled by formula (II). Then, ferrosilicon is added so that the content of silicon added to the molten iron satisfies formula (I).

IPC Classes  ?

• C22C 37/10 - Cast-iron alloys containing aluminium or silicon
• C21C 1/10 - Making spheroidal graphite cast-iron
• C21D 1/28 - Normalising
• C21D 1/32 - Soft annealing, e.g. spheroidising
• C21D 5/14 - Graphitising
• C22C 37/04 - Cast-iron alloys containing spheroidal graphite

Abstract

The disclosure relates to a method for producing levulinic acid in a molten salt hydrate from cellulose hydrolysis. An inorganic molten salt hydrate was prepared by mixing an inorganic salt with water, cellulose is added and stirred to dissolve, a solid catalyst is added and heated up for reaction to obtain a reactant, the reactant is cooled and subjected to a separation to obtain the levulinic acid, and the inorganic molten salt hydrate and the solid catalyst obtained after the separation are recycled, wherein the inorganic salt is one or more selected from the group consisting of LiCl, LiBr, CaBr2, Ca(NO3)2, LiNO3 and KNO3.

IPC Classes  ?

• C07C 51/00 - Preparation of carboxylic acids or their salts, halides, or anhydrides
• C07C 51/48 - SeparationPurificationStabilisationUse of additives by liquid-liquid treatment

Abstract

The polyurethane flame retardant is prepared by compounding poly(diphosphophosphazene) (PDPP) and derivatives thereof, poly(diphosphate phosphazene) (MPDPP) (where M=Mg2+, Ca2+, transition metal ions, rare earth ions and the like) and poly(diphosphonic phosphazene). Since a phosphate group in the PDPP and an unreacted phosphate group in the MPDPP in the compound and an unreacted hydroxyl in the phosphate group may react with isocyanate, the flame retardant is a reactive flame retardant. Due to the reaction between the flame retardant and the isocyanate, the flame retardant is uniformly distributed in polyurethane and has a better flame-retardant effect. The flame retardant contains multiple flame-retardant components, namely polyphosphazene group, phosphate ester and phosphate salt. Due to the synergistic effect, the flame retardant has good flame-retardant properties, and can be used for various polyurethane materials.

IPC Classes  ?

• C09K 21/14 - Macromolecular materials
• C09K 21/04 - Inorganic materials containing phosphorus
• C08L 75/08 - Polyurethanes from polyethers
• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
• C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
• C08J 9/10 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen
• C08J 9/08 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide

Abstract

A chemical-physical combination-type alkanolamine carbonate foaming agent composition used in the preparation of a cast polyurethane rigid foam, the foaming agent comprising: 1) an alkanolamine salt chemical foaming agent having a high water content and low bicarbonate content (F1); 2) cyclopentane; and 3) optionally, a physical foaming agent (F2) having a boiling point in the range of 15-41°C. The physical foaming agent (F2) is one or more (two or three) selected from among HFC-245fa, HFC-365mfc, LBA, and hexafluorobutene. The chemical foaming agent (F1) comprises: A) 67-90 wt% of a bis(C2-C9 alkanolamine) salt; B) 10-33 wt% of water; and C) 0-20 wt% of a C2-C9 alkanolamine.

IPC Classes  ?

• C08J 9/08 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
• C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
• C08L 75/08 - Polyurethanes from polyethers
• C08L 75/06 - Polyurethanes from polyesters
• C08G 18/40 - High-molecular-weight compounds

Abstract

A controllable magnetic field-assisted finishing apparatus for an inner surface and a finishing method are provided. The apparatus includes a housing, ball screw mechanisms, a workpiece, a centering clamp, a connecting plate, a magnetic field generating device, a chuck clamp, a precise displacement platform and a base. The magnetic field generating device includes electromagnetic coils, coil connecting plates, a magnetic yoke, nuts, springs and bolts. The magnetic field generating device dynamically adjusts a distance from the magnetic yoke to the outer surface of the workpiece through the springs. The movement tracks of the magnetic finishing medium are controlled by the formed rotation of the magnetic field, the finishing action force dynamic-adjustment, the optimization of the machining form of the magnetic finishing medium in collaboration with the rotation of the chuck clamp and the feed movement of the precise displacement platform.

IPC Classes  ?

• B24B 1/00 - Processes of grinding or polishingUse of auxiliary equipment in connection with such processes
• B24B 31/10 - Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work or the abrasive material is looseAccessories therefor involving other means for tumbling of work
• B24B 31/12 - AccessoriesProtective equipment or safety devicesInstallations for exhaustion of dust or for sound absorption specially adapted for machines covered by group
• B24B 41/06 - Work supports, e.g. adjustable steadies
• B24B 47/20 - Drives or gearings for grinding machines or devicesEquipment therefor relating to feed movement

Abstract

A double-layer three-guide-rail type planar robot having a parallelogram, comprising a fixed platform (1), a moving platform (6), and three branched chains of the same structure that are connected between the fixed platform (1) and the moving platform (6). Three planar curved guide rails I (1.1) are provided on the fixed platform (1), and three planar curved guide rails II (7) are fixedly connected to the moving platform (6). Each planar curved guide rail I (1.1) is connected to the corresponding planar curved guide rail II (7) by means of a branched chain. Each branched chain comprises a sliding block I (2), two connecting rods (4) arranged in parallel, and a sliding block II (5). The sliding blocks I (2) are slidably connected to the planar curved guide rails I (1.1), and are rotatably connected to one end of connecting rods (4) by means of revolute pairs I (3). The other end of the connecting rods (4) is rotatably connected to the sliding blocks II (5) by means of revolute pairs II (11). The sliding blocks II (5) are slidably connected to the planar curved guide rails II (7). The three sliding blocks II (5) or the three sliding blocks I (2) are driving links, the three planar curved guide rails I (1.1) are arc-shaped guide rails having different circle centers, and the three planar curved guide rails II (7) are arc-shaped guide rails having different circle centers. The device has two translational degrees of freedom and one rotational degree of freedom.

IPC Classes  ?

• B25J 9/00 - Programme-controlled manipulators

Abstract

A single-layer three-segment guide rail-type planar robot containing two parallelograms, the robot comprising a fixed platform (1), a moving platform (6), and three branch chains that have the same structure and are connected between the fixed platform (1) and the moving platform (6). A three-segment planar curve guide rail (1.1) is disposed on the fixed platform (1), and each segment of the planar curve guide rail (1.1) is connected to the moving platform (6) by means of a branch chain. Each branch chain comprises a sliding block (2), two connection rods I (4) that are arranged parallel to one another, two connection rods II (5) that are arranged parallel to one another, and a connection rod III (10). The sliding blocks (2) are slidably connected to the planar curve guide rail (1.1). The sliding blocks (2) are rotatably connected to one end of the two connecting rods I (4) by means of a rotating pair I (3). The other end of the two connecting rods (4) is rotatably connected to the connecting rod III (10) by means of a rotating pair II (7). On each branch chain, three rotating pairs I (3) consisting of one rotating pair I (3) are selected as main drive joints or three sliding blocks (2) are selected as prime movers. The three-segment planar curve guide rail (1.1) is an arc guide rail having different circle centers. The described device has two translational degrees of freedom and one rotational degree of freedom.

IPC Classes  ?

• B25J 9/00 - Programme-controlled manipulators

Abstract

Mucor circinelloides WJ11, the fatty acid composition changes after fermentation, and the lipid content may reach 53% of dry cell weight after the fermentation condition is optimized.

IPC Classes  ?

• C12N 15/80 - Vectors or expression systems specially adapted for eukaryotic hosts for fungi
• C12N 9/10 - Transferases (2.)

Abstract

A C4-dicarboxylic acid transporter and its encoding gene C4mt gene can increase oil yield of Mucor circinelloides, the C4mt gene may be cloned from the high-yield M. circinelloides WJ11, and the C4mt gene is transformed into M. circinelloides deficient strain Mu402, the C4mt gene can be integrated into the genome of M. circinelloides by homologous recombination to obtain recombinant strain Mu-C4mt. The total fatty acid content of the Mu-C4mt strain can be increased by 25.30% and the intracellular lipid content may reach up to 16.34% of the dry biomass.

IPC Classes  ?

• C07K 14/37 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from fungi
• C12N 15/80 - Vectors or expression systems specially adapted for eukaryotic hosts for fungi

Abstract

A cotton topping unmanned aerial vehicle having cutter discs and front grain lifting baffle plates is provided, the unmanned aerial vehicle includes an unmanned aerial vehicle body, a carrying component, a grain lifting component, and a cutting component. The carrying component includes a suspension, an electric push rod mounting base, an electric push rod, a motor mounting base, and motors. An upper end of the electric push rod is bolted to the electric push rod mounting base. The motor mounting base is welded to a lower end of the electric push rod. The grain lifting component is grain lifting baffle plates which include a left baffle plate and a right baffle plate, and both the left baffle plate and the right baffle plate are welded to guard plates.

IPC Classes  ?

• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• A01D 47/00 - Headers
• A01G 22/50 - Cotton
• B64U 10/13 - Flying platforms
• B64U 101/00 - UAVs specially adapted for particular uses or applications

Abstract

An application of a polyphenolic extract of Aronia melanocarpa leaves in the preparation of a drug, functional food, or supplement for preventing, regulating, or treating depression. The extract contains rutin, chlorogenic acid and an isomer thereof, 3-O-caffeoylquinic acid, quercetin and a derivative quercetin 3-O-α-L-arabinopyranosyl-(1→6)β-D-glucopyranoside thereof, and caffeic acid and a derivative hyperoside thereof. The extract significantly increased BDNF (brain-derived neurotrophic factor) levels in the hippocampus of the brain of depressed mice by regulating the abundance and diversity of intestinal flora of the depressed mice to normal levels, and had a significant improving effect on depressive symptoms of the mice. The extract is a non-toxic and harmless natural ingredient and produces no side effects.

IPC Classes  ?

• A61K 36/73 - Rosaceae (Rose family), e.g. strawberry, chokeberry, blackberry, pear or firethorn
• A61P 25/24 - Antidepressants
• A23L 33/105 - Plant extracts, their artificial duplicates or their derivatives

Abstract

A magnetic field-assisted vibratory finishing device for a minute structure and a finishing method is provided. The device includes a rotating shaft, a workpiece clamping device, a magnetic field generating device, a vibration assisting device, a three-axis precision displacement platform and a base. The magnetic field generating device includes a baffle plate, magnetic bars and a magnetic-pole groove. The vibration assisting device includes a housing, guide fixing rods, a vibration motor, a vibration connecting plate, and compression springs. The workpiece clamping device clamps parts with a variety of structural shapes, and a frequency controller can control the motion mode of the magnetic field generating device during the finishing processing, thereby controlling the motion track of grinding material.

IPC Classes  ?

• B24B 1/00 - Processes of grinding or polishingUse of auxiliary equipment in connection with such processes
• B24B 1/04 - Processes of grinding or polishingUse of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
• B24B 41/02 - FramesBedsCarriages
• B24B 41/04 - HeadstocksWorking-spindlesFeatures relating thereto

Abstract

Euphausia superba comprises a hollow main body; a screening cylinder installed rotationally inside the main body and having a bottom installed with a filter screen; a stirring assembly provided rotationally inside the main body and comprising a cylindrical cam installed inside the screening cylinder, wherein a sleeve frame is sleeved over the cylindrical cam, stirring rods are provided on the sleeve frame in an array mode and rotationally installed on the sleeve frame through driving grooves, the driving grooves run through the sleeve frame and each have one end, which penetrates through the sleeve frame, rotationally installed in one driving groove of the cylindrical cam, and the sleeve frame is arranged in self-rotating manner; a feeding port installed fixedly on communicating with the main body; and a spray head arranged fixedly inside the main body for spraying water into the screening cylinder.

IPC Classes  ?

• A22C 29/00 - Processing shellfish, e.g. oysters, lobsters
• A22C 29/02 - Processing shrimps, lobsters or the like

Abstract

222, and concentrating and crystallizing the reacted liquid phase to obtain a mixed salt; and compressing a gas phase, and introducing the compressed gas phase into a heater device of the reaction evaporator (4) again to provide heat for the organic matter degradation reaction. By coupling an MVR technique with an organic matter degradation process, heat released during organic matter degradation is used for liquid phase evaporation in the reaction evaporator (4) and can also be used for heating and raw material pretreatment in the reaction evaporation process, so that energy released during organic matter degradation is effectively utilized, the grade of the energy is improved, steam consumption is reduced, and the wastewater treatment cost is lowered.

IPC Classes  ?

• C02F 9/10 - Thermal treatment
• C02F 101/30 - Organic compounds

Abstract

A variable-rate spraying nozzle device includes a chemical supply assembly and an atomization spray assembly for atomizing and spraying a chemical solution. The atomization spray assembly includes spray housings arranged sequentially from top to bottom, chemical solution channels are provided between two adjacent spray housings, and the spray housings are assembled together to form an inverted tapered exterior structure; spray holes are densely and circumferentially provided in each spray housing; spray housings are connected with an atomization power mechanism including atomization rotation shafts and a power mechanism including motors and transmission mechanisms for connecting main spindles of the motors with the atomization rotation shafts correspondingly; the atomization rotation shafts in the atomization power mechanism corresponding to the spray housings are coaxially disposed; the motors in the atomization power mechanism are connected with a speed control module.

IPC Classes  ?

• B05B 3/10 - Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• B64D 1/18 - Dropping or releasing powdered, liquid or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
• A01M 7/00 - Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass

Abstract

A deformable wing-based agricultural bionic bird repelling drone, comprising a body (1), wings, a tail wing (2), and a power module, a bionic audio transmitting module (3), an ultrasonic transmitting module (4), a strong light emission module (5), and an image transmission module (6) that are provided on the body (1). The wings comprise at least two wing bodies (7) arranged in sequence, driving mechanisms (8) provided between two adjacent wing bodies (7), and flexible skins (9). Two adjacent wing bodies (7) are connected to each other by means of a hinge structure (10). Each driving mechanism (8) comprises a steering gear (8-1), a rocker arm (8-2), and a connecting rod (8-3). The steering gear (8-1) is provided on one of the wing bodies (7). A main shaft of the steering gear (8-1) is connected to the rocker arm (8-2). Both ends of the connecting rod (8-3) are hingedly connected to the rocker arm (8-2) and the other wing body (7), respectively. The wings of such a bionic drone can be deformed to imitate the movement characteristics of an eagle's wings when preying, and the bird repelling effect is good.

IPC Classes  ?

• B64C 3/00 - Wings
• B64C 3/10 - Shape of wings
• B64C 3/38 - Adjustment of complete wings or parts thereof
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• A01M 29/18 - Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves using ultrasonic signals
• A01M 29/16 - Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves
• A01M 29/10 - Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like using light sources, e.g. lasers or flashing lights
• A01M 29/06 - Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like

Abstract

The disclosure discloses a driving motor with an asymmetrical magnetic pole type of permanent magnet and claw pole electric excitation for an electric automobile which includes a front end cover, a rear end cover, a housing, an asymmetric magnetic pole type of permanent magnet rotor, a claw pole electric excitation rotor, and a stator. Wherein the asymmetric magnetic pole type of permanent magnet rotor is provided with first magnetic pole groups and second magnetic pole groups, the first magnetic pole groups and the second magnetic pole groups are of an asymmetric structure, polarities of outer sides of the first magnetic pole groups and the second magnetic pole groups are distributed in a manner of N poles and S poles arranged at intervals. A utilization of inner space of the motor rotor can be improved, the performance of the motor is improved, and the costs of the motor are reduced.

IPC Classes  ?

• H02K 1/27 - Rotor cores with permanent magnets
• H02K 21/04 - Windings on magnets for additional excitation

Abstract

A system and a method for controlling a reel of a combine harvester, wherein, the system comprises a satellite positioning receiver, a driving device, a controller and a rotating speed sensor; the rotating speed sensor collects and transmits an actual rotating speed of the reel to the controller, and the controller provides the driving device with a speed regulation signal according to the actual rotating speed and the operation running speed. The rotating speed of the reel can be automatically, accurately and quickly adjusted according to the operation running speed of the combine harvester during the operation of the combine harvester, and improve the operation efficiency and quality while ensuring the crop feed quantity.

IPC Classes  ?

• A01D 41/12 - Details of combines
• A01D 57/12 - Rotating rakes
• A01D 69/02 - Driving mechanisms or parts thereof for harvesters or mowers electric
• G01S 19/52 - Determining velocity
• A01D 41/127 - Control or measuring arrangements specially adapted for combines

Abstract

A livestock feeding apparatus capable of reducing waste and facilitating collection. According to the technical solution, a feeding trough (8) is borne on a horizontal rotating shaft, and the position of the rotating shaft is higher than the cambered surface axis of the feeding trough (8). In addition, a traction spring (12) is additionally provided on the lower end of the feeding trough (8). On the basis of the gravity of the feeding trough (8) and the traction force of the spring (12), when the feeding trough (8) is pushed by livestock to rotate, feed can be returned immediately and is prevented from being scattered. Furthermore, protrusions (24) distributed in an array are additionally provided on the inner wall of the feeding trough (8), so that contact between residual feed and outside air can be increased to a certain extent, and the adhesion problem is ameliorated. In addition, a discharge port (23) capable of being closed is additionally formed in the bottom surface of the feeding trough (8), an auger (2) is provided on the lower end of the discharge port (23), and when the feeding trough (8) needs to be cleaned, the residual feed can be manually brushed and swept to the auger (2), and then the auger (2) is started to push the residual feed to the outside, so that the cleaning work for the residual feed is completed conveniently. This solution effectively overcomes the use defects of the feeding trough (8), and has a good use effect.

IPC Classes  ?

• A01K 5/01 - Feed troughsFeed pails

Abstract

Disclosed are a variable-channel corner self-bending extrusion die, and a design, manufacturing and extrusion method thereof, relating to the technical field of dies. The method comprises the following steps: designing a symmetric streamlined extrusion die based on a sine function; enabling the central axis of a die cavity (11) of the symmetric streamlined extrusion die to be distorted and deformed on a certain plane; establishing a wall surface equation of the die cavity (11) of the variable-channel corner self-bending extrusion die; additionally arranging a working belt structure (12) behind the die cavity (11) of the variable-channel corner self-bending extrusion die; and after metal flows through the variable-channel corner self-bending extrusion die, controlling the extrusion speed to be linearly distributed, such that a bent part is directly extruded. Therefore, a sectional material is not subjected to transverse torque, such that section deformation of an outer side face of the sectional material is reduced or completely eradicated; flowing of the metal in the extrusion process is smoother than that of a traditional stepped extrusion die, and the extrusion load is reduced; and the technical problems of springback, wrinkling and section deformation in the bending process of a sectional material in the prior art are relieved, and the technical problem of reducing a load during extrusion is relieved.

IPC Classes  ?

• B21C 23/12 - Extruding bent tubes or rods

Abstract

A method for constructing a non-de novo synthetic high-lipid-yielding recombinant Mucor circinelloides bacterium, a recombinant bacterium constructed by the same, and an application thereof, pertaining to the field of genetic engineering. The method for constructing a non-de novo synthetic high-lipid-yielding recombinant Mucor circinelloides bacterium comprises: ligating a nucleotide sequence of diacylglycerol acyltransferase (DGAT) to an integrated plasmid pMAT2075, electro-transforming the recombinant plasmid into the protoplast of a uracil-deficient Mucor circinelloides bacterium, screening for a positive clone, and overexpressing the DGAT in the uracil-deficient Mucor circinelloides bacterium to obtain the non-de novo synthetic high-lipid-yielding recombinant Mucor circinelloides bacterium. Compared with a control strain Mc2075, the lipid content of the constructed recombinant strain Mc-DGAT in a medium supplemented with soybean oil showed greater change, and a lipid content of 53% could be obtained in the expression strain Mc-DGAT.

IPC Classes  ?

• C12N 15/54 - Transferases (2)
• C12N 15/80 - Vectors or expression systems specially adapted for eukaryotic hosts for fungi
• C12N 9/10 - Transferases (2.)

Abstract

M. circinelloides by homologous recombination to obtain recombinant strain Mc-Dit. The total fatty acid content of the Mc-Dit strain increased by 33.76% and the intracellular lipid content may reach up to 17.67% of the dry biomass.

IPC Classes  ?

• C07K 14/37 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from fungi
• C12N 15/80 - Vectors or expression systems specially adapted for eukaryotic hosts for fungi

Abstract

Provided are a measurement method and apparatus for a point spread function of a microscope (18), relating to the technical field of optical microscopic measurement. The method comprises: determining a first position coordinate of an optical fiber laser head (1) to enable first linearly polarized light to be incident into a first detector (22), the unit direction vector of the first linearly polarized light detected by the first detector (22) being a preset unit direction vector (S102); acquiring a second position coordinate set sent by a second detector, and acquiring a light spot image on the image plane of a microscope (18) (S104); determining a microscope magnification factor set of the microscope (18) on the basis of the light spot image, the preset unit direction vector and the second position coordinate set (S106); and determining a point spread function set in combination with a normalization function and the microscopic magnification factor set (S108). The present invention solves the technical problem of the inability to accurately determine the longitudinal object plane perpendicular to the optical axis of a microscope (18) in existing microscope (18) point spread function measurement techniques, and achieves three-dimensional point spread function measurement on the longitudinal object plane perpendicular to the optical axis of the microscope (18).

IPC Classes  ?

• G01M 11/02 - Testing optical properties

Abstract

The present disclosure belongs to the technical field of solid oxide fuel cell stacks, and particularly relates to a method for preparing a connector-free anode-supported solid oxide fuel cell stack by means of 3D printing. The method includes taking a mixed paste of an anode ceramic powder and a photosensitive resin as a raw material, and preparing a three-dimensional channel honeycomb-type anode-supported matrix by means of 3D printing; and obtaining an anode-supported solid oxide fuel cell by means of an impregnation method, effectively bringing same into contact, and abutting and sealing same in the order of a cathode, an anode and a cathode, and forming the connector-free anode-supported solid oxide fuel cell stack after performing connection in series.

IPC Classes  ?

• H01M 8/2435 - High-temperature cells with solid electrolytes with monolithic core structure, e.g. honeycombs
• B28B 1/00 - Producing shaped articles from the material
• H01M 4/90 - Selection of catalytic material
• H01M 4/88 - Processes of manufacture
• H01M 8/0252 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form tubular
• H01M 8/0236 - GlassCeramicsCermets
• H01M 8/2457 - Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
• H01M 8/2483 - Details of groupings of fuel cells characterised by internal manifolds
• B33Y 10/00 - Processes of additive manufacturing
• B33Y 80/00 - Products made by additive manufacturing
• H01M 8/2404 - Processes or apparatus for grouping fuel cells

Abstract

Disclosed are a polyurethane flame retardant prepared by compositing a poly(diphosphorylphosphazene) (PDPP) and, as derivatives thereof, a poly(diphosphate salt phosphazene) (MPDPP) (wherein M = Mg2+, Ca2+, a transition metal ion, a rare earth ion, etc.) and a poly(bis(dialkoxy phosphate)phosphazene) (PBPP), and a method for preparing the flame retardant and the use thereof. Since the phosphoric acid group in the PDPP, an unreacted phosphoric acid group in the MPDPP and unreacted hydroxyl groups in the phosphoric acid groups in a composite material can react with an isocyanate, the flame retardant is a reactive flame retardant. A reaction between the flame retardant and the isocyanate causes the flame retardant to be uniformly distributed in polyurethane, and the flame retardant effect is better. The flame retardant contains a variety of flame retardant components including a polyphosphazene group, a phosphate ester and a phosphate salt, and due to a synergistic effect, the flame retardance thereof is excellent. The flame retardant can be used in various polyurethane materials.

IPC Classes  ?

• C08G 79/025 - Polyphosphazenes
• C08G 18/64 - Macromolecular compounds not provided for by groups
• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• C08G 101/00 - Manufacture of cellular products

Abstract

x3326-x3x3326-xx3326-x6-x] according to the mass ratio of 10:1-1:1 and dissolving in an organic solvent according to the amount of 6%-48%, so that the flame-retardant electrolyte is obtained. The electrolyte has good lithium ion conductivity and good flame retardance and is applicable to various lithium batteries.

IPC Classes  ?

• H01M 10/0567 - Liquid materials characterised by the additives

Abstract

xn232n-xxn232n-x2n-x] of the lithium salt according to a mass ratio of 10:1-1:1. The electrolyte is easy to dissolve in an organic solvent. The electrolyte is prepared according to the amount of 8-45%, and thus the novel flame-retardant electrolyte can be obtained. The electrolyte has good lithium ion conductivity and good flame-retardant performance, and is applied to lithium ion batteries, lithium-sulfur batteries, lithium fluorinated carbon batteries or lithium-oxygen batteries.

IPC Classes  ?

• H01M 10/0566 - Liquid materials
• H01M 10/0567 - Liquid materials characterised by the additives

Abstract

232333. According to the method, an inorganic molten salt hydrate is used as a solvent; on one hand, the inorganic molten salt hydrate can be used as a solvent to dissolve cellulose, on the other hand, the inorganic molten salt hydrate has a temperature rise effect, and reaction in a normal pressure or low pressure state can be implemented; reaction conditions are mild, and cations and anions in the inorganic molten salt hydrate have the effects of catalyzing cellulose hydrolysis and hydrolyzing and converting intermediate products.

IPC Classes  ?

• C07C 51/00 - Preparation of carboxylic acids or their salts, halides, or anhydrides
• C07C 51/48 - SeparationPurificationStabilisationUse of additives by liquid-liquid treatment
• C07C 51/42 - SeparationPurificationStabilisationUse of additives
• C07C 59/185 - Saturated compounds having only one carboxyl group and containing keto groups

Abstract

A reward fairness-based distributed demand response real-time pricing method, comprising the following steps: establishing a behavior utility model; analyzing user utility based on the behavior utility model; formulating an energy management strategy and performing stability analysis on energy management; formulating a real-time pricing strategy and performing stability analysis on the real-time pricing strategy; and optimizing an optimization model to obtain a final user energy consumption scheme. According to the present invention, users are fairly benefited from demand response behaviors by means of the behavior utility model, and supply and demand matching is ensured as an effective mode of power distribution network energy management.

IPC Classes  ?

• G06Q 30/02 - MarketingPrice estimation or determinationFundraising

Abstract

A cutting disc cotton topping unmanned aerial vehicle having front grain lifting baffle plates, comprising an unmanned aerial vehicle body (1), a mounting assembly, a grain lifting assembly, and a cutting assembly. The mounting assembly comprise a suspension (2), an electric push rod mounting base (3), an electric push rod (4), a motor mounting base (5), and a motor (6). The upper end of the electric push rod (4) is bolted to the electric push rod mounting base (3) to enable the extending and retracting of the grain lifting assembly and the cutting assembly. The motor mounting base (5) is welded to the lower end of the electric push rod (4). The motor mounting base (5) is used for mounting the motor (6) on the one hand, and on the other hand, has a flow guiding function to reduce the disturbance on the cotton top to be cut caused by the downward pressure wind field of the unmanned aerial vehicle body (1). The grain lifting assembly refers to the grain lifting baffle plates (8) that comprise a left baffle plate and a right baffle plate, and both the left and right baffle plates are welded to a guard plate (7). The baffle plates (8) are used for gathering the cotton top to be cut. By means of the present cotton topping unmanned aerial vehicle, the cutting injury area of the plant can be reduced, the disturbance on the cotton plant by the lower pressure wind field of the unmanned aerial vehicle can be reduced, and the problem of difficulty in taking off and landing of the unmanned aerial vehicle can be solved.

IPC Classes  ?

• A01G 3/08 - Other tools for pruning, branching or delimbing standing trees
• A01G 7/06 - Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
• B64C 27/08 - Helicopters with two or more rotors

Abstract

Provided is a cantilever-type cotton topping unmanned aerial vehicle, comprising an unmanned aerial vehicle body (1), a transporting assembly, and a topping assembly; the mounting assembly comprises an electrically powered push-rod mount (2), an electrically powered push rod (3), a cantilever (4), and a motor mount (5); the electrically powered push-rod mount (2) is bolted to the bottom of the unmanned aerial vehicle body (1); the upper end of the electrically powered push rod (3) is bolted to the electrically powered push-rod mount (2), and is used for extending and retracting the cantilever (4) in order to facilitate the take-off and landing of the unmanned aerial vehicle; the topping assembly comprises motors (6), a connecting shaft (7), and a blade (8); the motors (6) are one at each end of the cantilever (4), and each is bolted to the motor mount (5); the output shafts of the two motors are connected to the connecting shaft (7) by means of a shaft coupling; the connecting shaft (7) is screwed to the blade (8) under the cantilever (4); there are knife blades on both sides of the blade (8), used for cutting cotton tops. The described cantilever-type cotton topping unmanned aerial vehicle reduces the disturbance of the cotton plant by the downward pressure wind field of the unmanned aerial vehicle, and solves the problem of difficulty in the take-off and landing of the unmanned aerial vehicle.

IPC Classes  ?

• A01G 3/08 - Other tools for pruning, branching or delimbing standing trees
• A01G 7/06 - Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
• B64C 27/08 - Helicopters with two or more rotors

Abstract

Disclosed is a power distribution network mobile energy storage configuration method based on the Fourier-Legendre series. The method comprises the following steps: calculating feasible domains of an active power output and a reactive power output of a photovoltaic inverter; establishing an energy reservation model that takes a photovoltaic prediction uncertainty into consideration; establishing, on the basis of the Fourier-Legendre series, an energy state polynomial of mobile energy storage; establishing a mobile energy storage transportation model that takes the truck transportation time and blocking delays into consideration; calculating peak, valley and shoulder periods and establishing a corresponding load response model that takes price demands into consideration; establishing a power distribution network optimization model in which the photovoltaic inverter and the mobile energy storage cooperate; and solving the power distribution network optimization model to obtain a configuration scheme for the position and the capacity of the mobile energy storage and a scheduling scheme for the photovoltaic inverter. According to the present invention, a continuous charging and discharging model for mobile energy storage is constructed, the energy states of the energy storage on different time scales can be accurately and effectively simulated, and optimal configuration capacities of the mobile energy storage and optimal network access positions at different moments can be determined, thereby solving the problem of safe and economic operation of a power distribution network including a high percentage of photovoltaic power.

IPC Classes  ?

• H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers

Abstract

A method for fault location to multi-terminal traveling wave in a direct current distribution line, which belongs to the field of power line fault ranging and location technology. The method includes a main site and a plurality of acquisition points installed into the distribution line and includes steps as follows. Step 1001: collecting and uploading a traveling wave signal by each of the acquisition points after a fault occurs in the line; step 1002: generating a fault record set; step 1003: computing the shortest paths from a central site to other sites and their lengths; step 1004: using expanded two-terminal traveling wave ranging principle for pairing computation; step 1005: converting positions of possible disturbance points into possible disturbance occurrence time points; step 1006: extrapolating from equal path lengths of the possible disturbance points to obtain disturbance time data; and step 1007: determining a final disturbance point.

IPC Classes  ?

• G01R 31/08 - Locating faults in cables, transmission lines, or networks
• G01R 31/11 - Locating faults in cables, transmission lines, or networks using pulse-reflection methods

Abstract

A method for fault location to single-terminal traveling wave includes steps as follows. Step (a): recording a waveform of a traveling wave signal of disturbance by a traveling wave device when a line disturbance occurs. Step (b): performing a phase mode transformation on the waveform recorded by the step (a), so as to obtain components of line mode and zero mode of a fault initial traveling wave, and performing a wavelet transform to decompose the components of the line mode to obtain singularities in the waveform of the traveling wave. Step (c): calculating a wavefront slope k of the components of the line mode of the fault initial traveling wave. Step (d): computing a preliminary fault distance D according to the slope k computed in the step (c). Step (e): confirming a fault point according to the preliminary fault distance and wavelet singularities of the components of the line mode. Step (f): end.

IPC Classes  ?

• G01R 31/08 - Locating faults in cables, transmission lines, or networks
• G01R 31/11 - Locating faults in cables, transmission lines, or networks using pulse-reflection methods

Abstract

A variable spray nozzle apparatus, comprising a pesticide supply assembly and an atomizing spray assembly (A) which atomizes and sprays a pesticide. The atomizing spray assembly (A) comprises a plurality of spray covers sequentially arranged from top to bottom, pesticide channels (24) being arranged between adjacent spray covers, the plurality of spray covers combining together to form an inverted cone structure. Each spray cover is provided with spray holes (15). Each spray cover is internally connected to an atomization power mechanism, the atomization power mechanism comprising an atomization rotary shaft and a power mechanism, the power mechanism comprising a motor and a transmission mechanism which connects a motor main shaft and the atomization rotary shaft. The atomization rotary shafts in the corresponding atomization power mechanisms of the plurality of spray covers are coaxially arranged, and the motors in the atomization power mechanisms are connected to a speed regulation control module. The variable spray nozzle apparatus implements variable pesticide spraying, saves pesticide, and prevents environmental pollution. Also provided is a plant protection unmanned aerial vehicle.

IPC Classes  ?

• B05B 3/10 - Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member
• B64D 1/18 - Dropping or releasing powdered, liquid or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
• A01M 7/00 - Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass

Abstract

An automatic steering device of an agricultural machine, the device is connected to a steering axle of the agricultural machine and comprises a data acquisition unit (1) used for acquiring agricultural machine data information, wherein the agricultural machine data information comprises an actual steering angle value, a driving position, and a driving direction of the agricultural machine; a driving unit (2) used for providing rotating torque; a steering unit (3) connected to the driving unit (2) and the steering axle and used for transferring the rotating torque to the steering axle; and a control unit (4) connected to the data acquisition unit (1) and the driving unit (2) and used for obtaining the steering angle value according to the agricultural machine data information and controlling the driving unit (2) according to the steering angle value. The automatic steering device of the agricultural machine is simple in structure, capable of being used for agricultural machines with different steering angle ranges, high in efficiency and easy to operate.

IPC Classes  ?

• B60W 30/10 - Path keeping
• B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
• B62D 6/00 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits

Abstract

A multi-power supply hybrid power supply and power distribution control system of a travel trailer and a control method therefor, the system comprising a power supply detection module, a combined logic controller, a PFC controller, an AC/DC converter, a DC/DC converter, an inverter boost circuit and a storage battery. In the method, detection and identification are carried out during multi-power supply hybrid power supply, mains electricity or an external generator is preferentially used for supplying power to an electrical appliance. Meanwhile, a storage battery for daily use is charged and the storage battery for daily use is controlled not to discharge to achieve the aim of saving the limited energy inside of a trailer. When only driving power generation or an auxiliary power supply is present, the storage battery is charged. When the electrical energy of the storage battery is limited, the storage battery of an original travel trailer maintains basic lighting and low-energy consumption electrical appliances inside of the travel trailer, and the storage battery for daily use supplies power to electronic devices having higher energy consumption. Thus, power supply and power distribution are more reasonable and efficient, which increases the utilization rate of electrical energy, prolongs the usage service life of a storage battery for daily use, improves maintenance efficiency, and has a broad space for use and development.

IPC Classes  ?

• H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
• H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
• B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries

Abstract

A group-based online optimization method for optimal power grid topology taking predicted accident sets into consideration. Under the constraint of the number of lines that are allowed to be connected and disconnected, a set of optimal connection and disconnection line schemes taking a mathematical model of the optimal connection and disconnection line, with an enhanced voltage stability, of predicted accident sets into consideration are found. The schemes satisfy the following conditions: maximizing a load margin of an expected ground-state power system after disconnection, such that load margins of all predicted accidents and the expected ground-state power system can satisfy threshold value requirements, and the expected ground-state power system can satisfy safe operation constraints after disconnection. The problem of online connection and disconnection line identification of power system voltage stability enhancement control is solved through four stages of evaluation, predicted accident grouping and predicted accident representative connection and disconnection line identification, expected ground-state power system connection and disconnection line identification, and verification, and finally, connection and disconnection line schemes satisfying a voltage stability load margin threshold value of an expected ground-state power system and predicted accidents sets are provided in order to enhance the static voltage stability of the power system.

IPC Classes  ?

• H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks

Abstract

A system for producing high-quality gas includes a heat carrier hoist, a coke feeder, a heat carrier heating furnace, a gas mixer, a high-temperature induced draft fan, a heat carrier storage tank, a dryer, a hopper, a concentrating solar collection pyrolysis-gasification reactor having a double-tube structure, a three-phase separator and a coke collecting bin. The system may use an adjustable concentrating solar collection technology in combination with a heat carrier circulation heating process, so as to effectively solve heat requirements of the waste pyrolysis and gasification process, reduce the waste material consumption caused by energy supply, and improve the effective utilization of raw materials.

IPC Classes  ?

• C10J 3/48 - ApparatusPlants
• C10J 3/12 - Continuous processes using solid heat-carriers
• C10J 3/80 - Other features with arrangements for preheating the blast or the water vapour
• C10J 3/84 - Gas withdrawal means with means for removing dust or tar from the gas
• C10K 1/18 - Purifying combustible gases containing carbon monoxide by washing with liquidsReviving the used wash liquors with non-aqueous liquids hydrocarbon oils

Abstract

Mucor circinelloides-D15D.

IPC Classes  ?

• C12P 7/62 - Carboxylic acid esters
• C12P 7/6427 - Polyunsaturated fatty acids [PUFA], i.e. having two or more double bonds in their backbone
• C12N 9/02 - Oxidoreductases (1.), e.g. luciferase

Abstract

Mucor circinelloides-GLELO.

IPC Classes  ?

• C12N 9/02 - Oxidoreductases (1.), e.g. luciferase
• C12P 7/64 - FatsFatty oilsEster-type waxesHigher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl groupOxidised oils or fats
• C12P 7/6463 - Glycerides obtained from glyceride producing microorganisms, e.g. single cell oil
• C12N 1/14 - Fungi Culture media therefor
• C12N 15/80 - Vectors or expression systems specially adapted for eukaryotic hosts for fungi

Abstract

Disclosed herewith is a voltage coordinated control method for an AC/DC distribution system, including steps of: acquiring an actual voltage and an actual current at a DC-side of a converter of the system to obtain a first DC voltage and a first DC current; generating a present reference current signal for the converter according to a voltage-current droop control model, and generating a first control signal to control an output state of the converter; and acquiring an actual voltage at a DC-side of an energy storage adapter in the system to obtain a second DC voltage, generating a present reference power signal for the adapter according to a voltage-power droop control model, and generating a second control signal to control an output state of the adapter.

IPC Classes  ?

• H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
• H02M 7/217 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
• H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers

Abstract

Rosa sp. The present disclosure further provides a method for preparing a plant preparation, including treating the above parts of plants with ethanol.

IPC Classes  ?

• A61K 36/9068 - Zingiber, e.g. garden ginger
• A61K 9/00 - Medicinal preparations characterised by special physical form
• A61K 9/14 - Particulate form, e.g. powders
• A61K 9/48 - Preparations in capsules, e.g. of gelatin, of chocolate
• A61K 36/22 - Anacardiaceae (Sumac family), e.g. smoketree, sumac or poison oak
• A61K 36/287 - Chrysanthemum, e.g. daisy
• A61K 36/31 - Brassicaceae or Cruciferae (Mustard family), e.g. broccoli, cabbage or kohlrabi
• A61K 36/45 - Ericaceae or Vacciniaceae (Heath or Blueberry family), e.g. blueberry, cranberry or bilberry
• A61K 36/49 - Fagaceae (Beech family), e.g. oak or chestnut
• A61K 36/52 - Juglandaceae (Walnut family)
• A61K 36/537 - Salvia (sage)
• A61K 36/54 - Lauraceae (Laurel family), e.g. cinnamon or sassafras
• A61K 36/60 - Moraceae (Mulberry family), e.g. breadfruit or fig
• A61K 36/63 - Oleaceae (Olive family), e.g. jasmine, lilac or ash tree
• A61K 36/71 - Ranunculaceae (Buttercup family), e.g. larkspur, hepatica, hydrastis, columbine or goldenseal
• A61K 36/738 - Rosa (rose)
• A61K 36/889 - Arecaceae, Palmae or Palmaceae (Palm family), e.g. date or coconut palm or palmetto
• A61K 36/8962 - Allium, e.g. garden onion, leek, garlic or chives

Abstract

A voltage coordination control method for an AC/DC power distribution system for energy storage and access comprising: using a voltage-current droop control model to generate a current reference current signal for a converter according to a first DC voltage and a first DC current, and generate a first control signal according to the current reference current signal, so as to control an output status of the converter; acquiring a DC side actual voltage of an energy storage adapter in the AC/DC power distribution system, obtaining a second DC voltage, and using the voltage-current droop control model to generate a current reference power signal for the energy storage adapter according to the second DC voltage, and generate a second control signal on the basis of the current reference power signal, so as to control an output status of the energy storage adapter. The method coordinates, according to voltage-current droop control characteristics, flexible apparatuses to operate in a balanced manner, thereby leveraging voltage regulation capabilities thereof, and improving controllability of DC voltage. In addition, the method reduces the burden from voltage regulation on a battery-based energy storage device, suppressing frequent charging and discharging of the battery-based energy storage device, and extending a service life of the battery-based energy storage device.

IPC Classes  ?

• H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means

Abstract

The present application relates to the technical field of metallurgy and cast iron alloys, and provides an addition control method for the silicon content in ductile iron, a ductile iron casting method, and a casting. The addition control method for the silicon content in ductile iron comprises: smelting ductile iron by using scrap steel as a raw material, after melting to molten iron, first adding copper alloy to enable the copper equivalent in the molten iron to be 0.8-1.0%, the copper equivalent control formula being formula (II), and then adding ferrosilicon to enable the silicon content added in the molten iron to meet formula (I). By dynamically regulating the silicon content, the present application solves the problem of ductile iron having high tensile strength but low notch impact toughness, or high notch impact toughness but low tensile strength. A casting obtained by the method in the present application has the body tensile strength greater than or equal to 900 MPa, elongation greater than or equal to 7%, and notch impact energy at room temperature greater than or equal to 7 J, and can be applied to connecting rod production.

IPC Classes  ?

• C21C 1/10 - Making spheroidal graphite cast-iron
• C22C 33/08 - Making cast-iron alloys
• C21D 5/00 - Heat treatment of cast-iron
• C21D 1/28 - Normalising

Abstract

The present invention discloses a mobile operating platform for a paddy field, including a body, a power generating device, a movement control system, a draft control system and an automatic leveling system, where the power generating device, the movement control system, the draft control system and the automatic leveling system are all mounted on the body. The present invention has a compact overall structure, and utilizes the pressure of a water flow to realize the movement of the platform, and can fully utilize the characteristics of the water flow to reduce power consumption, and avoid the use of a heavy and complicated traditional walking device, the entire mobile operating platform for a paddy field does not contact the ground, saving mechanical power and avoiding damage to an aquatic crop; the draft control system adjusts a draft by the amount of water filled in a closed cavity in the body.

IPC Classes  ?

• B63H 11/04 - Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
• A01C 11/00 - Transplanting machines

Abstract

A movable operating platform for a paddy field. The movable operating platform comprises a machine body (1), a power generation device, a moving control system, a draft control system, and an automatic leveling system. The power generation device, the moving control system, the draft control system, and the automatic leveling system are mounted on the machine body (1).

IPC Classes  ?

• A01B 51/02 - Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus propelled by a motor

Abstract

The present invention discloses an automatic high-shear low-pressure force-controlled grinding device for a complicated curved surface and a machining method thereof, which belong to the field of complicated curved surface grinding technologies of difficult-to-machine materials. The device comprises a base, columns, an industrial robot, an electrical spindle, a force-controlled floating work holder, a workpiece chuck, a grinder plate, a six-dimensional force sensor, a rotary table, a triaxial precision displacement table, a safeguard hood, a safety door, and a pedestal. The grinder plate comprises a grinder plate substrate, a press plate, a lining plate, and an abrasive layer. Each module is effectively communicated, and a control system collects and processes signals as well as transmits commands to achieve automatic force-controlled grinding of the complicated curved surface. The abrasive layer of the grinder plate generates the shear thickening effect; so, the material can be removed in a high-shear low-pressure grinding manner.

IPC Classes  ?

• B24B 5/16 - Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfacesAccessories therefor involving centres or chucks for holding work for grinding peculiarly profiled surfaces, e.g. bulged
• B24B 41/04 - HeadstocksWorking-spindlesFeatures relating thereto
• B24B 41/06 - Work supports, e.g. adjustable steadies
• B24B 49/16 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or workArrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
• B25J 9/00 - Programme-controlled manipulators
• B25J 9/16 - Programme controls
• B25J 11/00 - Manipulators not otherwise provided for
• B25J 13/08 - Controls for manipulators by means of sensing devices, e.g. viewing or touching devices
• B25J 15/00 - Gripping heads
• B25J 21/00 - Chambers provided with manipulation devices

Abstract

A method for hierarchical and distributed coordinated control of time sequence for an integrated energy system in an industrial complex, comprising: acquiring data information of each business in an integrated energy system in an industrial complex; performing UML business modeling on businesses that need to be coordinately controlled; and performing hierarchical and distributed coordinated control on the time sequence of the integrated energy system in the industrial complex. By modeling of the coordinated control businesses of the multi-energy coordinated integrated energy system, the hierarchical and distributed coordinated control of the integrated energy system is effectively achieved, the energy balance and stable operation between the supply and use of energy are realized, and the energy efficiency is improved.

IPC Classes  ?

• G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]

Abstract

The present application relates to the technical field of three-dimensional (3D) printing, and in particular, to a water-cured 3D printing method and device. The method comprises: using a water-cured material or a slurry doped with the water-cured material as a raw material; loading the raw material into a material cylinder of a 3D printer; designing and drawing a pre-printed object model by using 3D drawing software; controlling the 3D printer to extrude materials in the material cylinder; and curing the materials by contacting with water so as to prepare an entity. The present application is a novel water-cured 3D printing method capable of being applied to various fields of production and life; without restrictions of conditions such as temperature and illumination, the water-cured material is used as the main component of the slurry, and can be cured and formed by simply contacting with water, the entity with arbitrary complex shape can be prepared, and the operation is simple and rapid; the heating is not needed, the energy is saved, and the consumption is reduced; a water-cured 3D printing process is free of pollution, operated at room temperature, is simple, convenient and feasible in operation, and is green and economical. The present application further provides a water-cured 3D printing device.

IPC Classes  ?

• B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
• B29C 64/20 - Apparatus for additive manufacturingDetails thereof or accessories therefor
• B33Y 30/00 - Apparatus for additive manufacturingDetails thereof or accessories therefor

Abstract

2. The present invention overcomes the technical problem that existing steel connecting rods have larger weights.

IPC Classes  ?

• F16C 7/00 - Connecting-rods or like links pivoted at both endsConstruction of connecting-rod heads
• F16C 7/08 - Connecting-rods or like links pivoted at both endsConstruction of connecting-rod heads made from sheet metal

Abstract

A protein composite for preventing and relieving sarcopenia in patients suffering from type 2 diabetes, and a preparation method. The protein composite for preventing and relieving sarcopenia in patients suffering from type 2 diabetes comprises the following raw materials: plant-derived protein and/or plant-derived protein hydrolysate and/or plant-derived peptides, animal-derived protein and/or animal-derived protein hydrolysate and/or animal-derived peptides, leucine, isoleucine, valine, glutamine, arginine and methionine.

IPC Classes  ?

• A23L 33/185 - Vegetable proteins
• A23L 33/18 - PeptidesProtein hydrolysates
• A23L 33/19 - Dairy proteins
• A23L 33/175 - Amino acids

Abstract

The present invention discloses an opposite belt-type precise seeding device. The opposite belt-type precise seeding device comprises a seed metering tube consisting of a U-shaped shell and a cover plate, two conveying devices provided inside the seed metering tube in parallel, and a conveying plate provided at the lower end of the seed metering tube. The opposite belt-type precise seeding device belongs to the field of agricultural machinery. In a seeder, a tubular seed conveying tube is usually used for guiding movement of seeds, but the movement of the seeds in the seed conveying tube has certain randomness, so that the seed distance consistency of the seeds in a seed bed is reduced. Through control of the seeds by the conveying devices, the stable movement of the seeds is achieved and the seed distance consistency of the seeds in the seed bed is guaranteed.

IPC Classes  ?

• B65G 15/16 - Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts the load being conveyed between the belts between an auxiliary belt and a main belt
• A01C 7/16 - Seeders with other distributing devices, e.g. brushes, discs, screws or slides
• A01C 7/20 - Parts of seeders for conducting and depositing seed

Abstract

An air-suction garlic orienting and seeding device, comprising a seed chamber shell (1), a seed suction chamber shell (2), a seed suction disc (3), a sealing ring (4), an orienting elastic piece (7), an inner orienting needle (8), an outer orienting needle (9), an image collector (10), a rotary orienting device, an image recognition control unit, a transmission shaft (5), and a transmission chain wheel (6). The seed chamber shell (1) and the seed suction chamber shell (2) are fixedly connected; the seed suction disc (3) is provided between the seed chamber shell (1) and the seed suction chamber shell (2); the sealing ring (4) is provided between the seed suction disc (3) and the seed suction chamber shell (2); a suction tube (13) is provided on the seed suction chamber shell (2); multiple seed suction through holes are uniformly formed along the circumference of the seed suction disc (3); the orienting elastic piece (7), the inner orienting needle (8), the outer orienting needle (9), the image collector (10), and the rotary orienting device are sequentially arranged in an orienting area of the seed suction disc (3) along center circles of the seed suction through holes anticlockwise; one end of the transmission shaft (5) is fixedly connected to the center of the seed suction disc (3), the other end is fixedly connected to the transmission chain wheel (6), and the middle of the transmission shaft (5) is supported on the seed suction chamber shell (2) by means of a bearing.

IPC Classes  ?

• A01C 9/08 - Potato planters with other distributing devices, e.g. flaps, screws, horizontal turning plates
• G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints

Abstract

Disclosed is a drive motor employing an asymmetric-magnetic-pole permanent magnet and a claw-pole electromagnet for use in an electric vehicle. The drive motor comprises: a front cover, a rear cover, a housing, an asymmetric-magnetic-pole permanent magnet rotor, a claw-pole electromagnetic rotor, and a stator. The asymmetric-magnetic-pole permanent magnet rotor is provided with first magnetic pole groups and second magnetic pole groups, wherein the first magnetic pole group and the second magnetic pole group are structurally asymmetrical to each other. The first magnetic pole groups and the second magnetic pole groups are alternately arranged, and outer surfaces of the first magnetic pole group and the second magnetic pole group have north pole and south pole polarities, respectively. The present motor rotor structure improves internal space utilization for motor rotors by means of changing the structure of magnetic poles, in which second magnets collect part of the magnetic field of first magnets to compensate for a depression in the middle of an air-gap waveform of each pole, thereby improving motor performance, Moreover, the reduced number of permanent magnets helps reduce the cost of the motor.

IPC Classes  ?

• H02K 1/27 - Rotor cores with permanent magnets

Abstract

An electromagnetic and invisible magnetic pole hybrid excitation driving motor. Each magnetic pole consists of two first magnets (3), a second magnet (4), and a third magnet (10); the first magnets (3) are placed along the diameter direction of a rotor core (7); the second magnet (4) is positioned at the middle lower parts of two corresponding first magnets (3) in each magnetic pole in the diameter direction; a magnetic shielding air gap (8) is provided in the inner end of the first magnet (3) and extends to two sides of the inner end of the first magnet (3).

IPC Classes  ?

• H02K 21/02 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets Details
• H02K 1/27 - Rotor cores with permanent magnets

Abstract

A virtual inertia-based charge/discharge control method for an electric vehicle, comprising: obtaining an input signal; obtaining the difference between the input signal and a reference value and outputting the difference; performing proportional integral (PI) processing on the difference by means of a PI controller, and introducing virtual inertia by means of a virtual inertia compensation function connected in parallel to the PI controller for compensation; and outputting a modulation signal. The introduction of a virtual inertia compensation function into an outer loop of conventional control increases the system inertia; the virtual inertia-based control provides high damping and large inertia, causes direct current bus voltage oscillation in a virtual inertia charge/discharge mode to gradually attenuate until it is stable, and has stronger damping capability than a conventional control method.

IPC Classes  ?

• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks

Abstract

−. A polyurethane foaming method using carbon dioxide and an organic amine in combination is also disclosed, in which carbon dioxide is added to a polyurethane composition for foaming. A method for preparing an alkanolamine carbonate salt with low water content from ammonium carbonate and an epoxide is additionally disclosed, in which a liquid alkanolamine salt mixture is used as a dispersion medium or as a solvent for reaction raw material.

IPC Classes  ?

• C08J 9/08 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
• C07C 213/08 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions not involving the formation of amino groups, hydroxy groups or etherified or esterified hydroxy groups
• C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
• C07C 215/06 - Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated and acyclic

Abstract

Disclosed is a method for determining a fault section and fault time of a power distribution network, the method comprising: constructing a data set; calculating an evaluation index; setting a monitoring threshold value of the fluctuation of the evaluation index; determining a fault time and a fault area based on the calculated evaluation index; and determining a fault phase. Determination is carried out according to a ratio of the maximum singular values of the covariance matrices of a historical data set and an online data set; each measurement point of a whole network is detected in real time; after a fault time is determined, a variation degree of measurement point data is determined according to a determination result of each measurement point at the fault time; the fault area is determined according to the fault time and the variation degree ranking; the distance from a fault point to the measurement point is determined using the variation degree; and the fault phase is determined using data of any measurement point at a fault area end. The method is suitable for any load level, does not require the acquisition of the distribution law of a distributed power supply and load, requires few calculations, and can provide theoretical and technical guarantees for fault diagnosis of a power distribution system that the distributed power supply accesses or an existing power distribution system.

IPC Classes  ?

• G01R 31/08 - Locating faults in cables, transmission lines, or networks

Abstract

A threshing and cleaning test bed, which is capable of simulating and testing working parts such as a crop feeding system, a threshing system, a cleaning system, and a chopping and throwing system. Said test bed has the following advantages: the key technical parameters of assemblies of each part can be independently and quickly adjusted; torque sensors are respectively mounted on a fan assembly (12), an axial flow assembly (6), a chopper assembly (9), and a screen box driving assembly, and thus can monitor and record power consumptions of said working parts in real time; the threshing system can achieve the stepless adjustability of rotational speed, stepless adjustability of concave clearance, stepless adjustability of angle of a flow guide plate (23), and interchangeability of separate concaves; and the optimal parameter ratio of a threshing and cleaning device can be obtained by testing the working performance of the threshing and cleaning systems under different parameter conditions.

IPC Classes  ?

• A01F 11/06 - Threshing apparatus specially adapted for maizeThreshing apparatus specially adapted for particular crops other than cereals for maize, e.g. removing kernels from cobs
• A01F 11/00 - Threshing apparatus specially adapted for maizeThreshing apparatus specially adapted for particular crops other than cereals
• A01F 12/44 - Grain cleanersGrain separators

Abstract

An electric plant protection unmanned aerial vehicle with only water added and no pesticide added, comprising an electric unmanned aerial vehicle (12), an onboard power supply module, an onboard oxygen-producing module, an onboard liquid-producing module, and an aerial spraying module. The unmanned aerial vehicle implements the "self-producing and self-spraying" and "spraying-while-producing" of a plant protection agent. The "agent" is an aqueous ozone solution, and the preparation raw materials are simply air and water, thus implementing a "pesticide-free" and "pesticide residue-free" aerial prevention operation.

IPC Classes  ?

• B64D 1/18 - Dropping or releasing powdered, liquid or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides

Abstract

The present disclosure relates to the construction of a Mucor circinelloides cell plant for producing stearidonic acid SDA and fermentation technology thereof, and belongs to the field of genetic engineering. The present disclosure obtains recombinant strain Mc-Δ15 by cloning Δ15Des gene from Mortierella alpina, connecting same to an integrated plasmid pMAT1552, transforming said plasmid into Mucor circinelloides deficient strain Mu402, and integrating Δ15Des into the genome of Mucor circinelloides by means of homologous recombination, and finally achieves expression of the Δ15Des gene in Mucor circinelloides. There is no significant difference in the grease content of the recombinant strain Mc-Δ15 compared to control strain Mc1552. However, the grease composition changes greatly, and SDA is present in the grease of expression strain Mc-Δ15, and the content thereof reaches 5.2% of the total fatty acid content. By optimizing fermentation conditions and adding precursor fatty acids, the SDA content reaches 8.3%. The new recombinant strain was deposited on 20 June 2018 in China General Microbiological Culture Collection Center located at No. 3, Courtyard No. 1, Beichen West Road, Chaoyang District, Beijing. The deposit center gives the biological material with the deposit number CGMCC No. 15888, and the suggested classification name is Mucor circinelloides-D15D.

IPC Classes  ?

• C12P 7/64 - FatsFatty oilsEster-type waxesHigher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl groupOxidised oils or fats
• C12N 1/15 - Fungi Culture media therefor modified by introduction of foreign genetic material
• C12N 15/80 - Vectors or expression systems specially adapted for eukaryotic hosts for fungi
• C12R 1/785 - Mucor

Abstract

Provided is a natural plant formulation, comprising extracts of the following plant parts: Salvia miltiorrhiza, walnut grass, Aesculus hippocastanum, ginger root, bark of Chinese cinnamon, sesame seeds, papaya, Nigella damascena, pomegranate seeds, cornflower leaves, Pistacia Lentiscus resin, drupe of coconut tree, cacao beans, dried pulp and kernels of Phoenix dactylifera, olive, ficus carica, walnut, blueberry dried pulp, garlic cloves and rose petals. Also provided is a method for preparing said botanical formulation, comprising treating said plant parts by means of ethanol.

IPC Classes  ?

• A61K 36/889 - Arecaceae, Palmae or Palmaceae (Palm family), e.g. date or coconut palm or palmetto
• A61K 36/537 - Salvia (sage)
• A61K 36/54 - Lauraceae (Laurel family), e.g. cinnamon or sassafras
• A61K 36/60 - Moraceae (Mulberry family), e.g. breadfruit or fig
• A61K 36/738 - Rosa (rose)
• A61K 36/185 - Magnoliopsida (dicotyledons)
• A61P 9/00 - Drugs for disorders of the cardiovascular system

Abstract

The present application relates to the field of genetic engineering, and to a method for construction of a Dihomo-gamma linolenic acid (DGLA) producing cell factory by Mucor circinelloides, and a fermentation technology. According to the present application, gamma-linolenic acid elongase (glelo) gene is obtained by cloning from Mortierella alpina, ligated to an integrative plasmid pMAT1552, and transformed into Mucor circinelloides auxotroph strain Mu402; by means of homologous recombination, the glelo gene is integrated into the genome of Mucor circinelloides to obtain a recombinant strain Mc-glelo, thereby finally achieving the expression of the glelo gene in Mucor circinelloides; the oil content of the recombinant strain Mc-glelo is not significantly different from that of a control strain Mc1552; however, the oil composition thereof changes greatly, and DGLA appears in the oil of the expression strain Mc-glelo and its content reaches 5.7% of the total fatty acid content. When the fermentation condition is optimized and a precursor fatty acid is added, the content of DGLA reaches 7.6%. The new recombinant strain is deposited on 20 June 2018 in the China General Microbial Culture Collection Center at Building 3, No. 1, West Beichen Road, Chaoyang District, Beijing. The deposit number given to the biological material by the Collection Center is CGMCC No. 15887, and the proposed classification is named Mucor circinelloides-GLELO.

IPC Classes  ?

• C12P 7/64 - FatsFatty oilsEster-type waxesHigher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl groupOxidised oils or fats
• C12N 15/80 - Vectors or expression systems specially adapted for eukaryotic hosts for fungi
• C12N 1/15 - Fungi Culture media therefor modified by introduction of foreign genetic material
• C12R 1/785 - Mucor

Abstract

Provided is a single arm fence type vineyard aerial drug delivery operation method based on agricultural machinery and agronomy integration, comprising: the first step: determining the average plant height of the grapes under the single arm fence type and cultivation rack type, and the average width of the grapes in the width direction of two adjacent independent planting rows; the second step: determining the precise spraying requirement of the average width of the grapes in the width direction of two adjacent independent planting rows for plant protection unmanned aerial vehicle according to grape cultivation information; the third step: performing dot surveying on the operational vineyard plots and plant protection unmanned aerial vehicle route planning; the fourth step: determining the flying height of the plant protection unmanned aerial vehicle under the precise spraying of the grape canopy according to the flying height of the effective spraying of the plant protection unmanned aerial vehicle on the ground; and the fifth step: performing aerial spraying operations of the plant protection unmanned aerial vehicle of grape prevention and control agent, the method achieves precise, drug-saving and green operations.

IPC Classes  ?

• G05D 1/10 - Simultaneous control of position or course in three dimensions

Abstract

Provided are a C4-dicarboxylic acid transporter for increasing the oil yield of mucor circinelloides and an encoding gene C4mt thereof. The C4mt gene is obtained from high-oil-yield mucor circinelloides WJ11 by means of cloning, and is transformed into a mucor circinelloides deficient strain Mu402; the c4mt gene is integrated to a mucor circinelloides genome by means of homologous recombination to obtain a recombinant strain Mu-C4mt; the total oil fatty acid content of the Mu-C4mt strain is improved by 25.30%, and the maximum intracellular oil content can reach 16.34% of the total fatty acids.

IPC Classes  ?

• C12N 15/31 - Genes encoding microbial proteins, e.g. enterotoxins
• C12N 15/80 - Vectors or expression systems specially adapted for eukaryotic hosts for fungi
• C12N 1/15 - Fungi Culture media therefor modified by introduction of foreign genetic material
• C07K 14/37 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from fungi
• C12R 1/785 - Mucor

Abstract

Provided are a dicarboxylic acid transporter for increasing the oil yield of Mucor circinelloides and a coding gene thereof, i.e. dit gene, wherein the dit gene is obtained from a high-oil-producing Mucor circinelloides WJ11 through cloning. The dit gene is transformed into a Mucor circinelloides deficient strain Mu402, and is integrated to a Mucor circinelloides genome through homologous recombination to obtain a recombinant strain Mc-Dit. The total fatty acid content of the Mc-Dit strain is increased by 33.76%, and the intracellular oil content can reach up to 17.67% of the total fatty acid.

IPC Classes  ?

• C12N 15/31 - Genes encoding microbial proteins, e.g. enterotoxins
• C12N 15/80 - Vectors or expression systems specially adapted for eukaryotic hosts for fungi
• C12N 1/15 - Fungi Culture media therefor modified by introduction of foreign genetic material
• C07K 14/37 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from fungi
• C12R 1/785 - Mucor

Abstract

An aerial spraying operation method for a cotton defoliant in a one-film-three-row cultivation pattern. The method ensures that the effective spray span of a plant protection unmanned aerial vehicle can exactly cover or slightly exceed the average cotton plant breadth, formed by three cotton plants, in the width direction of a single mulching film during a single-route operation flight, meeting the real requirement that planters do not want defoliants to be excessively sprayed in connecting rows causing defoliant waste and soil contamination, thereby realizing a precise, defoliant-saving and green operation; makes the effective spray spans of the plant protection unmanned aerial vehicle at different operating altitudes synergetically correspond to a "one-film-three-row" cultivation pattern with equal row spacing widely used in many places domestically, thereby realizing agricultural machinery and agronomy fusion while spraying the defoliants by the plant protection unmanned aerial vehicle, and meeting the general requirement of the country for agricultural machinery and agronomy fusion; and provides a referential operation specification for precise aerial spraying of other pest control chemicals during cotton field management.

IPC Classes  ?

• A01M 7/00 - Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass

Abstract

Disclosed are a laser scanning attitude angle stabilization method and apparatus for a helicopter-borne lidar. A push-rotation structure is used for the rotation of a laser reflector (101), thereby effectively increasing the size of the laser reflector (101) and reducing the size and mass of the apparatus. The laser reflector (101) is mounted on a magnetic universal ball bearing, and swings for scanning by taking the sphere centre as a rotation centre, and a laser pulse is reflected at the rotation centre of the laser reflector (101). When an attitude angle of an airborne platform (5) changes, two lead screw stepping electric motors (108, 109) are used to control the laser reflector (101) to rotate reversely around the x axis and y axis in a linear pushing manner by a half of a rolling angle and a pitch angle for compensation; and a z-axis stepping electric motor (112) is used to drive the laser reflector (101) to rotate reversely around the z axis by a yaw angle amplitude for compensation, so that the spatial pointing direction of the laser scanning centre is not affected by a change in the attitude angle of the platform. The airborne platform (5) is provided with a laser gyroscope (2), the laser reflector (101) is provided with an MEMS gyroscope (4), and the normal of the laser reflector (101) is controlled to point to a desired spatial orientation by means of comparing measured values of attitude angles of the laser gyroscope and the MEMS gyroscope, thereby realizing real-time tracking and scanning of a dynamic target.

IPC Classes  ?

• G01S 17/89 - Lidar systems, specially adapted for specific applications for mapping or imaging
• G01S 7/481 - Constructional features, e.g. arrangements of optical elements
• G01S 7/493 - Extracting wanted echo signals

Abstract

A method for scribing a travel trajectory of an automobile steering portability test, characterized in that: according to the minimum turning radius of a front outer wheel of an automobile, a key point of a travel trajectory can be determined using only a tape, and according to the distance from the key point to a center point, the distance from the key point to a vertex, and the distance from the center point to the vertex, a triangle is formed by means of the flexibility of the tape to determine the key point. The method is simple, the instrument used is very common, the stability of the instrument is high, and the accuracy of the determined key point is also high.

IPC Classes  ?

• B25H 7/04 - Devices, e.g. scribers, for marking

Abstract

A wheel hub motor for an electric vehicle includes eight sector-shaped through holes uniformly distributed in the circumference of a disc brake fixed to a shaft, and magnetic conductive ribs made of a magnetic conductive material arranged between two through holes. A stator core consists of nine square-C-shaped sub stator cores, each sub stator core surrounds two sides of the disc brake (6) and is fixed to a vehicle frame, adjacent sub stator cores are different by 30 degrees in a circumferential direction, a concentrated armature winding is wound around a yoke part at the middle portion of the sub stator core. A permanent magnet is fixed to a surface of an inner side of each sub stator core towards the disc brake, the brake caliper is fixed to the vehicle frame and is located at a position without the stator core in a circumferential direction.

IPC Classes  ?

• B60K 7/00 - Disposition of motor in, or adjacent to, traction wheel
• B60T 1/06 - Arrangements of braking elements, i.e. of those parts where braking effect occurs acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
• H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
• H02K 7/08 - Structural association with bearings
• H02K 7/102 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes

Abstract

The present invention discloses a three-gear automatic transmission for electric vehicle with a brushless control-by-wire centrifugal ball arm engagement device. One brushless control-by-wire centrifugal ball arm engagement device is provided between each gear input gear and each gear driving gear; and by controlling the engagement and disengagement of the brushless control-by-wire centrifugal ball arm engagement device, the shift control of the three-gear automatic transmission for electric vehicle with a brushless control-by-wire centrifugal ball arm engagement device is performed. The present invention has such advantages as compact structure, being capable of dynamic gear-shift, no mechanical or hydraulic gear-shift components and low operational energy consumption.

IPC Classes  ?

• F16H 61/32 - Electric motors therefor
• F16H 63/30 - Constructional features of the final output mechanisms

Abstract

An electromagnetic clutch of a brushless control-by-wire centrifugal ball arm engagement device includes a brushless electromagnet, a thrust pressing disc, a driven inner-spline hub, a control-by-wire drive disc, a centrifugal ball arm hollow disc, centrifugal ball arm pins, centrifugal ball arms, centrifugal balls, a magnetic conductive force transmitting disk, a drive shaft; once the brushless electromagnet is energized, the centrifugal ball arms and the centrifugal balls each make a circular motion around the centrifugal ball arm pin outwardly along the smooth surface of the thrust pressing disc by the action of centrifugal force produced by them when rotating with high speed. The component of the centrifugal force in the direction of the central axis of the centrifugal ball arm hollow disc drives the thrust pressing disc to compress the outer-spline-groove steel sheets and the inner-spline-groove friction discs with each other, which makes the clutch engaged.

IPC Classes  ?

• F16D 27/08 - Magnetically-actuated clutchesControl or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces with friction surfaces arranged externally to the flux
• F16D 27/14 - Magnetically-actuated clutchesControl or electric circuits therefor Details

Abstract

The present invention belongs to the technical field of solid oxide fuel cell stacks, and particularly relates to a method for preparing a connector-free anode-supported solid oxide fuel cell stack by means of 3D printing. The method comprises taking a mixed paste of an anode ceramic powder and a photosensitive resin as a raw material, and preparing a three-dimensional channel honeycomb-type anode-supported matrix by means of 3D printing; and obtaining an anode-supported solid oxide fuel cell by means of an impregnation method, effectively bringing same into contact, and abutting and sealing same in the order of a cathode, an anode and a cathode, and forming the connector-free anode-supported solid oxide fuel cell stack after connection in series. Multiple anode-supported solid oxide fuel cells are effectively brought into contact, abutted and sealed according to the order of a cathode, an anode and a cathode, and series connection of the multiple anode-supported solid oxide fuel cells can be achieved without a connector, thereby not only saving time, simplifying the process, reducing the space of the cell stack, and improving the power density within a unit volume, but also ensuring the relatively high electrical performance and the long-terminal stability of the cell stack.

IPC Classes  ?

• H01M 8/0236 - GlassCeramicsCermets
• H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
• H01M 8/2404 - Processes or apparatus for grouping fuel cells

Abstract

Disclosed is an organic amine salt foamer, namely, a composite polyurethane foamer, comprising: 1) hexafluorobutene, and 2) an alkanolamine salt mixture (MAA), the alkanolamine salt mixture (MAA) comprising an organic amine salt compound of the following general formula (I): An-[Bm+]p(I); wherein An- is one or two or three selected from the following anions: (b) carbonate: CO3 2-; (c) formate: HCOO-; (d) bicarbonate: HO-COO-. Further disclosed is a polyurethane foaming method with carbon dioxide and an organic amine used in combination, wherein carbon dioxide is added to a composition for polyurethane foaming. Further disclosed is a method for preparing a carbonic acid alcohol amine salt having low water content from ammonium carbonate and an epoxide compound, wherein the liquid alcohol amine salt mixture is used as a dispersion medium or as a solvent of the reaction raw materials.

IPC Classes  ?

• C08J 9/08 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
• C07C 241/02 - Preparation of hydrazines
• C07C 243/14 - Hydrazines having nitrogen atoms of hydrazine groups bound to acyclic carbon atoms of a saturated carbon skeleton
• C08J 9/10 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen
• C08L 25/06 - Polystyrene
• C08L 27/06 - Homopolymers or copolymers of vinyl chloride
• C08L 75/04 - Polyurethanes

Abstract

Disclosed is an organic amine salt foamer, namely, a composite polyurethane foamer, comprising: 1) hexafluorobutene, and 2) an alkanolamine salt mixture (MAA), the alkanolamine salt mixture (MAA) comprising an organic amine salt compound of the following general formula (I): An-[Bm+pp(I); wherein An-33 2-; (c) formate: HCOO-; (d) bicarbonate: HO-COO-. Further disclosed is a polyurethane foaming method with carbon dioxide and an organic amine used in combination, wherein carbon dioxide is added to a composition for polyurethane foaming. Further disclosed is a method for preparing a carbonic acid alcohol amine salt having low water content from ammonium carbonate and an epoxide compound, wherein the liquid alcohol amine salt mixture is used as a dispersion medium or as a solvent of the reaction raw materials.

IPC Classes  ?

• C08J 9/08 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
• C07C 241/02 - Preparation of hydrazines
• C07C 243/14 - Hydrazines having nitrogen atoms of hydrazine groups bound to acyclic carbon atoms of a saturated carbon skeleton
• C08J 9/10 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen
• C08L 75/04 - Polyurethanes
• C08L 27/06 - Homopolymers or copolymers of vinyl chloride
• C08L 25/06 - Polystyrene

Abstract

A six-gear automatic transmission device is provided for automobiles with a brushless control-by-wire centrifugal ball arm engagement. One brushless control-by-wire centrifugal ball arm engagement device is provided between each gear input gear and each gear driving gear; and by controlling the engagement and disengagement of the brushless control-by-wire centrifugal ball arm engagement device, the shifting control of the six-gear automatic transmission for automobile with a brushless control-by-wire centrifugal ball arm engagement device is performed. The technology provides advantages including compact structure, being capable of dynamic gear-shift, no mechanical or hydraulic gear-shift components and low operational energy consumption.

IPC Classes  ?

• F16H 3/093 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
• F16H 63/34 - Locking or disabling mechanisms
• F16H 63/30 - Constructional features of the final output mechanisms
• F16H 61/04 - Smoothing ratio shift
• F16H 61/28 - Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted

Abstract

m+ comprises: ammonium ion, hydrazinium ion and/or organic amine B cation; wherein n− is one or more selected from a group consisting of following anions: (a) carbamate orcarbazate; (b) carbonate; (c) formate; (d) bicarbonate; (e) organic monocarbonate; (f) organic poly-carbamate; (g) orthoformate; or (h) organic poly-carbonate. The compound of general formula (I) has at least one of hydroxyalkyl group linked to N atom, i.e., has alkanolamine residue. They can be used as polyurethane foaming agent, and most of them can be used as polystyrene foaming agent or polyvinyl choride foaming agent.

IPC Classes  ?

• C07C 213/04 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reaction of ammonia or amines with olefin oxides or halohydrins
• C08J 9/08 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
• C07C 271/02 - Carbamic acidsSalts of carbamic acids
• C08G 18/16 - Catalysts
• C08G 18/48 - Polyethers
• C08G 18/20 - Heterocyclic aminesSalts thereof
• C07C 211/14 - Amines containing amino groups bound to at least two aminoalkyl groups, e.g. diethylenetriamines
• C08G 18/24 - Catalysts containing metal compounds of tin
• C07C 269/06 - Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups the nitrogen atom not being part of nitro or nitroso groups by reactions not involving the formation of carbamate groups
• C08G 18/40 - High-molecular-weight compounds
• C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic

Abstract

A method for use in preparing a potato starch-based 3D printing material: the material is formed by means of potato starch, protein, water, and butter, which undergo blending, gelatinization, kneading and 3D printing; the weight percentages of each component are as follows: 23-61% potato starch, 4-12% butter, 0.5-8% protein and 26.4-65% water. Printed objects are well-formed and have a realistic shape, while the stacking boundary is inconspicuous and fusion is good, thus being suitable for the subsequent processing of food. The printing material may be used as a raw material for 3D printers, and may be used to print foods, models, props, sand tables, and the like of any shape, wherein the printed objects may subsequently be cooked, baked, fried, and the like, thereby expanding the application range of plasticine 3D printers.

IPC Classes  ?

• A23P 30/00 - Shaping or working of foodstuffs characterised by the process or apparatus
• A23L 29/30 - Foods or foodstuffs containing additivesPreparation or treatment thereof containing carbohydrate syrupsFoods or foodstuffs containing additivesPreparation or treatment thereof containing sugarsFoods or foodstuffs containing additivesPreparation or treatment thereof containing sugar alcohols, e.g. xylitolFoods or foodstuffs containing additivesPreparation or treatment thereof containing starch hydrolysates, e.g. dextrin