Abstract

Provided are a near-infrared II organic fluorescent probe, and a preparation method therefor and the application thereof. The fluorescent probe and an organic coating agent are mixed to prepare a nano-imaging reagent, which has good biocompatibility and biological stability; and the nano-imaging reagent has a high molar extinction coefficient and a high quantum yield, and has bright near-infrared II fluorescence under white-light excitation. Furthermore, the nano-imaging reagent can implement high-resolution imaging of blood vessels under white-light excitation. In addition, white light is used as an excitation light source during imaging, such that problems such as limited photon absorption, laser-induced biological damage and non-uniform irradiation caused by a single-wavelength excitation light source can be effectively avoided. Moreover, a laser light source is costly, while a white light source is cheaper and more readily available. Therefore, the nano-imaging reagent can be used for developing a high-performance biological imaging contrast agent, holding broad prospects in the field of in-vivo imaging for non-diagnostic and non-therapeutic purposes.

IPC Classes  ?

• C07D 513/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups , or in which the condensed system contains four or more hetero rings
• C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
• C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
• A61K 49/00 - Preparations for testing in vivo
• B82Y 5/00 - Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery

Abstract

The application of a near-infrared II organic fluorescent compound in preparation of a biological imaging contrast agent and in blood vessel fluorescence imaging. A near-infrared II organic fluorescent compound with a structure shown in formula I has a high molar extinction coefficient and a high quantum yield, and can realize high-resolution imaging of blood vessels under white-light excitation; in addition, the near-infrared II organic fluorescent compound with the structure shown in formula I, when using white light as an excitation light source during imaging, can effectively avoid problems such as limited photon absorption, laser-induced biological damage and non-uniform irradiation caused by a single-wavelength excitation light source. Therefore, the near-infrared II organic fluorescent compound with the structure shown in formula I can be used for developing a high-performance biological imaging contrast agent, holding broad prospects in the fields of in-vivo imaging and fluorescence surgical navigation for non-diagnostic and non-therapeutic purposes.

IPC Classes  ?

• C07D 513/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups , or in which the condensed system contains four or more hetero rings
• C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
• C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
• A61K 49/00 - Preparations for testing in vivo
• B82Y 5/00 - Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery

Abstract

The present disclosure relates to the technical field of iron and steel, in particular to an electrical steel with low iron loss and method for controlling tension thereof during decarburization annealing. A tension of each procedure of decarburization annealing of the electrical steel is controlled and adjusted respectively, and further combined with temperature of the decarburization annealing furnace, treatment time of the electrical steel in decarburization annealing furnace, and width and thickness of the electrical steel to prevent deflecting, cracking and narrowing of the electrical steel in the furnace and nodules on the bottom of roller. Compared with products of same brand, surface roughness and magnetic hysteresis loss of product are decreased by 10-20% and 10-15%.

IPC Classes  ?

• C21D 3/04 - Decarburising
• C21D 1/30 - Stress-relieving
• C21D 6/00 - Heat treatment of ferrous alloys
• C21D 11/00 - Process control or regulation for heat treatments

Abstract

A cleaning system and a method suitable for an ultra-large-scale photovoltaic power station are provided; including a control terminal, an intelligent control center, and a large-load unmanned helicopter, the control terminal is provided with an operation interface to receive an instruction from an operator and transmit the instruction to the intelligent control center through a wireless communication, the intelligent control center is provided with a processor, a wireless communication module, a flight monitoring and control module, and a data feedback and optimization module; the present invention adopts the above system and method, the use of large-load unmanned helicopters is wide, which is more suitable for ultra-large-scale photovoltaic power stations, the high-pressure gas-liquid two-phase flow cleaning device is mounted on the large-load unmanned helicopter, which can carry out precise cleaning operations along the arrangement of photovoltaic panels, and spray high-pressure water and gas to remove dust and dirt.

IPC Classes  ?

• B64U 80/30 - Transport or storage specially adapted for UAVs with arrangements for data transmission
• B64U 10/17 - Helicopters
• B64U 20/87 - Mounting of imaging devices, e.g. mounting of gimbals
• H02S 40/10 - Cleaning arrangements
• B64U 101/29 - UAVs specially adapted for particular uses or applications for manufacturing or servicing for cleaning

Abstract

The present invention belongs to the technical field of microbial fermentation. Provided is a method for preparing xanthan gum with reduced pyruvic acid content and improved salt tolerance. The xanthan gum is prepared by means of a fermentation method using Xanthomonas campestris with the deposit number of GDMCC No: 63427. In the fermentation process, the fermentation medium used comprises the following components in percentage by weight: 4.0% to 8.0% of corn starch, 0.5% to 2.5% of industrial ammonium sulfate, 0.3% to 0.7% of ferrous sulfate, 0.1% to 0.2% of dipotassium hydrogen phosphate and 0.1% to 0.2% of potassium dihydrogen phosphate. The problem of undesirable pyruvic acid content and salt resistance of xanthan gum produced in the prior art is solved, the product performance of xanthan gum is improved, the yield of the gum is effectively increased, and the low-cost production of xanthan gum is achieved.

IPC Classes  ?

• C12N 1/20 - BacteriaCulture media therefor
• C12P 19/06 - Xanthan, i.e. Xanthomonas-type heteropolysaccharides
• C12R 1/64 - Xanthomonas

Abstract

A Xanthomonas campestris strain producing transparent xanthan gum by fermentation and the use thereof. The Xanthomonas campestris strain is Xanthomonas campestris F417-6 and deposited in the Guangdong Microbial Culture Collection Center on 12 May 2023 with the deposit number of GDMCC NO: 63459. According to the provided Xanthomonas campestris strain, the yield of xanthan gum is increased by 15%-30%, the light transmittance of the aqueous solution of xanthan gum obtained by means of the fermentation is improved by 30%-50% compared to that of the original strain. The genetic stability of the Xanthomonas campestris strain is analyzed and continuous subcultures are carried out, and the yield of xanthan gum is measured every two subcultures. The provided Xanthomonas campestris strain has no significant changes in yield and quality after 12 continuous subcultures, indicating that the Xanthomonas campestris strain has good stability and can be used as an industrial production strain for large-scale production of transparent xanthan gum.

IPC Classes  ?

• C12N 1/20 - BacteriaCulture media therefor
• C12P 19/06 - Xanthan, i.e. Xanthomonas-type heteropolysaccharides
• C12R 1/64 - Xanthomonas

Abstract

The present invention relates to the technical field of microbial fermentation. Disclosed is a fermentation method for xanthan gum. The method comprises activating the Xanthomonas campestris strain, then culturing liquid seeds, and then inoculating the liquid seeds into a liquid fermentation medium to prepare xanthan gum. The method used for strain activation can effectively reduce the time for strain activation, and retains the strain activity of Xanthomonas campestris, which facilitates subsequent fermentation and production. The method for culturing liquid seed enables the Xanthomonas campestris strain in the liquid seeds to have a relatively high purity, relatively large strain density, and relatively high strain activity, and the total amount and concentration of the strain can meet fermentation requirements to the greatest extent. After being transferred to the liquid fermentation medium, the strain can grow rapidly. The method can produce xanthan gum at a low cost and with high efficiency by means of fermentation.

IPC Classes  ?

• C12P 19/06 - Xanthan, i.e. Xanthomonas-type heteropolysaccharides
• C12N 1/20 - BacteriaCulture media therefor

Abstract

Disclosed in the present application are a Xanthomonas campestris strain and the use thereof. Xanthomonas campestris Y-11 provided by the present application has the deposit number of GDMCC No: 63460. Compared with an original strain, the xanthan gum yield of the Xanthomonas campestris Y-11 provided by the present application is increased by 10%-20%, and the xanthan gum obtained by means of fermentation has the characteristics of high dissolution speed, resistance to clumping, high-temperature resistance, etc. In addition, genetic stability analysis is carried out on the Xanthomonas campestris strain, which involves carrying out continuous subculturing, and measuring the xanthan gum yield every two passages. After 12 continuous passages, no significant changes are observed in the xanthan gum yield and gum quality.

IPC Classes  ?

• C12N 1/20 - BacteriaCulture media therefor
• C12P 19/06 - Xanthan, i.e. Xanthomonas-type heteropolysaccharides
• C12R 1/64 - Xanthomonas

Abstract

A method for preparing a bacterial protein biological feed. Aspergillus niger is inoculated into a first fermentation substrate for first fermentation to obtain seed liquor; a composite strain is inoculated into a second fermentation substrate for second fermentation to obtain a bacterial protein biological feed. The first fermentation substrate comprises corn husk, bran, soybean meal and wheat middlings. The second fermentation substrate comprises corn husk, molasses, ammonium sulfate, potassium dihydrogen phosphate, magnesium sulfate, sodium chloride, acetic acid and seed liquor; and the composite strain comprises Saccharomyces cerevisiae and Candida utilis. Further provided is the use of the bacterial protein biological feed in the preparation of an animal feed and in the improvement of milk production and milk quality of animals.

IPC Classes  ?

• A23K 10/12 - Animal feeding-stuffs obtained by microbiological or biochemical processes by fermentation of natural products, e.g. of vegetable material, animal waste material or biomass
• A23K 10/18 - Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions of live microorganisms
• A23K 10/33 - Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hayAnimal feeding-stuffs from material of fungal origin, e.g. mushrooms from molasses
• A23K 10/37 - Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hayAnimal feeding-stuffs from material of fungal origin, e.g. mushrooms from waste material
• A23K 20/105 - Aliphatic or alicyclic compounds
• A23K 20/20 - Inorganic substances, e.g. oligo-elements
• A23K 20/26 - Compounds containing phosphorus
• A23K 50/10 - Feeding-stuffs specially adapted for particular animals for ruminants

Abstract

An intelligent system for a photovoltaic cleaning robot includes: a control terminal, an intelligent control center, a stain detection database, and an intelligent device; where the intelligent device includes a camera shooting module, a motion flight module, and a cleaning module; the intelligent device and the intelligent control center are integrated on the photovoltaic cleaning robot; the intelligent control center and the control terminal are connected by a wireless communication; the intelligent control center is connected to the stain detection database through the wireless communication. In the intelligent system for the photovoltaic cleaning robot, even in a distributed photovoltaic power station with a harsh environment and terrain, it can also do the unmanned intelligent cleaning operation and maintenance work of the photovoltaic plate, where the operator only needs to operate the control terminal according to the attenuation of power generation of the power station to issue simple instructions.

IPC Classes  ?

• H02S 40/10 - Cleaning arrangements
• B08B 3/02 - Cleaning by the force of jets or sprays
• B08B 13/00 - Accessories or details of general applicability for machines or apparatus for cleaning
• G05D 1/622 - Obstacle avoidance
• G05D 1/644 - Optimisation of travel parameters, e.g. of energy consumption, journey time or distance
• G05D 1/648 - Performing a task within a working area or space, e.g. cleaning
• G05D 105/10 - Specific applications of the controlled vehicles for cleaning, vacuuming or polishing
• G05D 109/20 - Aircraft, e.g. drones
• G06T 7/00 - Image analysis

Abstract

Provided are a lightweight solid waste porous aggregate, and a preparation method and use thereof. The lightweight solid waste porous aggregate includes the following raw materials in parts by mass: 50 parts to 80 parts of a coal gangue, 20 parts to 50 parts of a fly ash, and 1 part to 3 parts of a straw.

IPC Classes  ?

• C04B 18/02 - Agglomerated materials
• C04B 18/08 - Flue dust
• C04B 18/12 - Waste materialsRefuse from quarries, mining or the like
• C04B 18/24 - Vegetable refuse, e.g. rice husks, maize-ear refuseCellulosic materials, e.g. paper
• C04B 18/30 - Mixed wasteWaste of undefined composition, e.g. municipal waste
• C04B 20/04 - Heat treatment

Abstract

The present invention provides a hybrid direct current transmission system and a control method thereof, which belongs to the field of power electronics. The system includes: the rectifier side circuit adopts a heterogeneous series topology structure, the high-voltage valve group adopts LCC to withstand high voltage levels, and the low-voltage valve group adopts MMC to establish and maintain the voltage stability of the grid connection point; the inverter side circuit adopts a distributed connection, wherein the high-voltage valve group adopts LCC, the low-voltage valve group adopts three parallel MMCs, and multiple inverters are distributedly connected to different AC circuits. The rectifier side is composed of LCC and MMC in series, and the inverter side is composed of three parallel MMCs and LCC in series that are distributedly connected to different AC circuits. In this way, the system can provide voltage support for the energy base, has AC and DC fault ride-through function, prevents phase change failure, and improves system stability. In addition, the distributed access method can also achieve flexible power distribution.

IPC Classes  ?

• H02J 3/36 - Arrangements for transfer of electric power between ac networks via a high-tension dc link
• H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers

Abstract

The present invention provides an inverter control method, device, computer equipment and storage medium, belonging to the field of power electronics. The method comprises: determining a frequency control equation of the inverter under a grid-connected condition when the inverter is in a VSG control mode; determining a relationship between a virtual electromotive force of a virtual synchronous generator in a reactive state and an output voltage of the inverter; constructing a voltage-current double closed-loop control structure of the inverter under the VSG control mode, and determining a current reference value and a voltage reference value of the virtual synchronous generator under dq axes through the frequency control equation and the relationship; constructing a fuzzy control rule of a virtual damping coefficient and a virtual inertia according to the current reference value and the voltage reference value; and controlling the virtual damping coefficient and the virtual inertia through the fuzzy control rule, thereby improving the stability and performance of the inverter during the grid-connected process, reducing the harmonic disturbance of the power system, and helping to improve the adaptability and reliability of the entire photovoltaic power generation system.

IPC Classes  ?

• H02J 3/24 - Arrangements for preventing or reducing oscillations of power in networks
• G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
• H02M 7/537 - Conversion of DC power input into AC 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, e.g. single switched pulse inverters

Abstract

The present invention belongs to the technical field of biological fermented feeds, in particular to a two-step production method of a mycoprotein biological feed by fermenting corn husks. The present invention provides a preparation method for a mycoprotein biological feed, which comprises: inoculating Aspergillus niger microbial agent on a first fermentation substrate for first fermentation, to obtain a yeast seed; and inoculating a compound microbial agent in a second fermentation substrate to perform second fermentation. The compositions of the first fermentation substrate, the second fermentation substrate and the compound microbial agent are defined. The degradation of cellulose and hemicellulose in the corn husk raw material can be maximized and the protein content is increased through two fermentations, while taking into account the cost. A preparation method of the high-quality protein feed is provided for the feed industry.

IPC Classes  ?

• A23K 10/37 - Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hayAnimal feeding-stuffs from material of fungal origin, e.g. mushrooms from waste material
• A23K 10/12 - Animal feeding-stuffs obtained by microbiological or biochemical processes by fermentation of natural products, e.g. of vegetable material, animal waste material or biomass
• A23K 10/18 - Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions of live microorganisms
• A23K 20/147 - Polymeric derivatives, e.g. peptides or proteins
• C12N 1/18 - Baker's yeastBrewer's yeast
• C12R 1/685 - Aspergillus niger
• C12R 1/72 - Candida
• C12R 1/865 - Saccharomyces cerevisiae

Abstract

8 is increased by 1-3% compared with products of same grade.

IPC Classes  ?

• C21D 1/26 - Methods of annealing
• C21D 1/76 - Adjusting the composition of the atmosphere
• C21D 1/84 - Controlled slow cooling
• C22C 38/00 - Ferrous alloys, e.g. steel alloys
• C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
• C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
• C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
• C22C 38/16 - Ferrous alloys, e.g. steel alloys containing copper
• C22C 38/60 - Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium or antimony, or more than 0.04% by weight of sulfur
• H01F 1/147 - Alloys characterised by their composition

Abstract

An organic-inorganic hierarchical ZSM-5, a preparation method thereof, and an application thereof are provided. The preparation method for the organic-inorganic hierarchical ZSM-5 includes the following steps: mixing a silicon source, an aluminum source, NaOH, and water, stirring the mixture until uniformly dispersed, and drying and grinding the mixture to obtain a hierarchical ZSM-5 precursor; mixing the hierarchical ZSM-5 precursor, sodium silicate, seed, ethanol, and water, and uniformly dispersing the mixture to obtain a crystallized solution; mixing the crystallized solution with a hydrolyzed organosilane to obtain a first solution; subjecting the first solution to hydrothermal crystallization at 160-180° C. for 48-72 h to obtain a second product; and washing and drying the second product to obtain the organic-inorganic hierarchical ZSM-5. The organic-inorganic hierarchical ZSM-5 prepared by the present invention maintains stable toluene adsorption within a humidity range of 30%, and has good cyclic adsorption.

IPC Classes  ?

• C01B 39/38 - Type ZSM-5
• B01J 20/16 - Alumino-silicates
• B01J 20/30 - Processes for preparing, regenerating or reactivating

Abstract

A fixed-rail type 3D concrete printer and a printing method. The fixed-rail type 3D concrete printer comprises a fixed rail and a main printing trolley, wherein the fixed rail is fixedly mounted on a working platform, and the working platform is fitted on the outer walls of columns by means of sliding sleeves, the columns being used for supporting the working platform and the fixed rail; the fixed rail is a fixed rail that coincides with the vertical projection of the axis of a wall of a building needing to be printed; a rack or a chain is fixedly mounted on the fixed rail; by means of rollers on the inner side walls of the sliding sleeves, the working platform moves in the vertical Z-axis direction of the columns; the main printing trolley comprises a box body and a main printing head mounted below the box body; a gear and a driving electric motor are provided in the box body, a power output end of the driving electric motor being drivingly connected to the gear, and the gear of the main printing trolley engaging with the rack or the chain on the fixed rail; and by means of the gear engaging with the rack or the chain, the driving electric motor causes the main printing trolley to move along the fixed rail. The fixed rail replaces the mechanism and mode of operation used in the prior art for positioning within a plane by means of the coordinated action of multiple axes.

IPC Classes  ?

• B28B 1/00 - Producing shaped articles from the material

Abstract

A device is for surface strengthening of a metal plate based ultrasonic vibration. The device includes an ultrasonic vibration tool holder and a cutting tool. The ultrasonic vibration tool holder is internally provided with an ultrasonic transducer and an ultrasonic booster; the ultrasonic transducer is configured to transmit vibration to the ultrasonic booster, the ultrasonic booster is configured to drive longitudinal torsion vibration of the cutting tool; an end of the ultrasonic booster facing towards the cutting tool is provided with an adjustment assembly configured for adjusting a longitudinal torsion angle and a rotation speed. Since the device includes the adjustment assembly, the longitudinal torsion angle and the rotation speed of the device can be adjusted according to different processing requirements, so as to perform ultrasonic vibration extrusion strengthening on surfaces of titanium alloy plates and improve surface integrity including microhardness and residual stress.

IPC Classes  ?

• C22F 3/00 - Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons
• B26D 7/08 - Means for treating work or cutting member to facilitate cutting

Abstract

The present invention relates to the technical field of biology. Disclosed are an ammonium sulfate-resistant Saccharomyces cerevisiae and a screening method therefor. The ammonium sulfate-resistant Saccharomyces cerevisiae is named Saccharomyces cerevisiae Z-1, and is preserved in Guangdong Microbial Culture Collection Center on 03 March 2023, the preservation number is GDMCC NO: 63227, and the preservation address is: 5th Floor, Building 59, No. 100 Yard, Xianlie Middle Road, Guangzhou. The ammonium sulfate-resistant Saccharomyces cerevisiae Z-1 provided by the present invention can grow and propagate in a 1.0 mol/L NH4+ (6.6% ammonium sulfate) environment, the protein content can reach 51.97%, and the ammonium sulfate-resistant Saccharomyces cerevisiae Z-1 is used as a protein feed fermentation strain, can adapt to a high-tolerance environment, can also increase the protein content of protein feed, and is an excellent strain for solid-state fermentation.

IPC Classes  ?

• C12N 1/16 - YeastsCulture media therefor
• C12N 1/02 - Separating microorganisms from their culture media
• G01N 33/68 - Chemical analysis of biological material, e.g. blood, urineTesting involving biospecific ligand binding methodsImmunological testing involving proteins, peptides or amino acids
• C12R 1/865 - Saccharomyces cerevisiae

Abstract

The present invention discloses a strain of ammonium sulfate-tolerant Saccharomyces cerevisiae, and a screening method thereof. The strain of ammonium sulfate-tolerant Saccharomyces cerevisiae, named Saccharomyces cerevisiae Z-1, was preserved in Guangdong Microbial Culture Collection Center on Mar. 3, 2023, with a preservation number of GDMCC NO: 63227 and a preservation address of Floor 5, Building 59, No. 100 Courtyard, Xianlie Middle Road, Guangzhou. The ammonium sulfate-tolerant Saccharomyces cerevisiae Z-1 provided by the present invention may grow and breed in an environment containing 1.0 mol/L NH4+ (6.6% ammonium sulfate), and the protein content of the strain can reach 51.97%; and as a fermentation strain for protein feed, the strain of the present invention not only can adapt to the high-tolerance environment, but also can increase the protein content of the protein feed, and is an excellent strain for solid-state fermentation.

IPC Classes  ?

• C12N 1/18 - Baker's yeastBrewer's yeast
• C12Q 1/02 - Measuring or testing processes involving enzymes, nucleic acids or microorganismsCompositions thereforProcesses of preparing such compositions involving viable microorganisms

Abstract

A device and process for hot air jet dewaxing and reclaiming wax composition from patter for investment casting shell making. The device includes a hot air supply mechanism, a hot air jet dewaxing mechanism, a liquid wax collection mechanism, a liquid wax reclaiming mechanism, and a bearing platform. A shell for investment casting is installed on the bearing platform. A hot air outlet end of the hot air supply mechanism is in fluid communication with a hot air inlet end of the hot air jet dewaxing mechanism, and an injector connected with hot air outlet end of the hot air jet dewaxing mechanism extends into a cavity of the shell and faces the body of a wax pattern. Liquid wax generated in the cavity of the shell flows under the action of self-gravity into the liquid wax collection mechanism from its liquid wax inlet end.

IPC Classes  ?

• B22C 5/18 - Plants for preparing mould materials
• B22C 19/00 - Components or accessories for moulding machines for making moulds or cores

Abstract

A harmless treatment and regeneration device and method thereof of waste liquid discharge from failed hardener solution during hardening of water glass mold shell via ammonium chloride solution are provided. The device includes a waste liquid storage tank, a filtering mechanism, a regeneration mechanism, and a regeneration liquid storage tank. A fluid outlet end of the waste liquid storage tank is in fluid communication with a fluid inlet end of the filtering mechanism, a fluid outlet end of the filtering mechanism is in fluid communication with a fluid inlet end of the regeneration mechanism, and a fluid outlet end of the regeneration mechanism is in fluid communication with a fluid inlet end of the regeneration liquid storage tank.

IPC Classes  ?

• B01D 36/00 - Filter circuits or combinations of filters with other separating devices
• B01D 3/14 - Fractional distillation
• B01D 24/00 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
• B01D 24/12 - Downward filtration, the filtering material being supported by pervious surfaces
• B01D 24/46 - Regenerating the filtering material in the filter
• B01D 53/18 - Absorbing unitsLiquid distributors therefor
• B22C 1/00 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds
• C01C 1/16 - Halides of ammonium
• C01D 3/08 - Preparation by working up natural or industrial salt mixtures or siliceous minerals
• C04B 22/12 - Acids or salts thereof containing halogen in the anion, e.g. calcium chloride
• C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements

Abstract

Provided is a bovinized CRISPRboCas9 gene editing system, comprising a boCas9 protein and sgRNA. The nucleotide sequence encoding the boCas9 protein is as shown in SEQ ID NO. 1. Further provided are a bovinized CRISPRboCas9 gene editing method, and the use. SEQ ID NO. 1 is obtained by means of optimizing an exogenous Cas9 gene according to the codon preference of bovine cells, so that the transcription and translation efficiency of the Cas9 gene in bovine cells can be significantly improved, and the content of Cas9 protein in the cells is finally increased. Results show that the expression level of the modified bovinized boCas9 protein is twice that of a wild-type control group Cas9, and the target gene cleavage efficiency is at least 6 times that of a wild-type control group.

IPC Classes  ?

• C12N 15/55 - Hydrolases (3)
• C12N 15/113 - Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides
• C12N 15/85 - Vectors or expression systems specially adapted for eukaryotic hosts for animal cells

Abstract

A preparation method for an L-6-hydroxytryptophan derivative and an intermediate, belonging to the technical field of organic synthesis. Provided is a preparation method for a plurality of intermediates of an L-6-hydroxytryptophan derivative; an L-6-hydroxytryptophan derivative can be prepared on this basis; and the product yield is high, and the production cost is low. Specifically, in the present invention, compound A6-0 having a structure as shown in formula 1 is used as an initial reaction raw material, and an L-6-hydroxytryptophan derivative is obtained by means of a TIPS protection reaction, a coupling reaction, a carbon-boron bond oxidation reaction, a benzyl protection reaction of hydroxyl, a TIPS protection group removal reaction, a Boc protection group removal reaction, a methyl ester hydrolysis reaction and a 9-fluorenylmethoxycarbonyl protection reaction of an amino. The initial reaction raw material is convenient to purchase in a commercialized way, and has a low price, a relatively high product yield, a short process flow, and convenient operation, which facilitate the realization of large-scale production.

IPC Classes  ?

• C07F 7/10 - Compounds having one or more C—Si linkages containing nitrogen
• C07D 209/20 - Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals substituted additionally by nitrogen atoms, e.g. tryptophane

Abstract

The present invention belongs to the technical field of organic synthesis, and provides a preparation method for a (2S,3R,4R)-4,5-dihydroxy isoleucine derivative and an intermediate. The present invention provides a preparation method for a plurality of intermediates of a (2S,3R,4R)-4,5-dihydroxy isoleucine derivative, and a (2S,3R,4R)-4,5-dihydroxy isoleucine derivative can be prepared on this basis. Specifically, in the present invention, a glycine derivative, i.e. benzophenone imine glycine tert-butyl ester (compound 1 having the structural formula as shown in formula 1), is selected as an initial reaction raw material, is convenient to purchase in a commercialized way and has a low price; efficient asymmetric synthesis of a target product is achieved by means of asymmetric allylation, asymmetric dihydroxylation, introduction or removal of a protecting group and other reactions; and the product has a high optical purity and a relatively high yield, the process operation is convenient, and large-scale production is convenient to achieve.

IPC Classes  ?

• C07C 251/24 - Compounds containing nitrogen atoms doubly- bound to a carbon skeleton containing imino groups having carbon atoms of imino groups bound to carbon atoms of six-membered aromatic rings
• C07C 249/02 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of compounds containing imino groups
• C07C 271/22 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by carboxyl groups
• C07C 269/04 - 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 from amines with formation of carbamate groups

Abstract

The present application belongs to the field of organic synthesis, and provided is a method for preparing cyclic peptide toxin α-Amanitin and/or Amanamide, and an intermediate and the use thereof. Provided is a complete synthesis method for cyclic peptide toxin compounds α-Amanitin and Amanamide, wherein the used raw materials and reagents are easy to purchase commercially, the intermediate is stable, the reaction conditions are mild, the operation process is simple and convenient, and the separation and purification process is good in terms of operability, is high in terms of yield, and has an important reference and practical value, which can realize gram-scale preparation of α-Amanitin and Amanamide and has good industrial prospects. The preparation method has a significant application value in the field of cyclic peptide toxin synthesis.

IPC Classes  ?

• C07K 7/64 - Cyclic peptides containing only normal peptide links
• C07K 5/103 - Tetrapeptides the side chain of the first amino acid being acyclic, e.g. Gly, Ala
• C07K 7/06 - Linear peptides containing only normal peptide links having 5 to 11 amino acids
• C07K 5/072 - Dipeptides the side chain of the first amino acid containing more carboxyl groups than amino groups, or derivatives thereof, e.g. Asp, Glu, Asn
• C07K 5/083 - Tripeptides the side chain of the first amino acid being acyclic, e.g. Gly, Ala
• C07K 1/06 - General processes for the preparation of peptides using protecting groups or activating agents
• C07K 1/02 - General processes for the preparation of peptides in solution
• C07C 227/16 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions not involving the amino or carboxyl groups
• A61K 38/00 - Medicinal preparations containing peptides

Abstract

Provided is a method for catalytically activating carbon dioxide as a carbonylation reagent with inorganic sulfur. In the method, carbon dioxide can be used to replace a toxic and harmful carbonylation reagent in the presence of H2S and an alkali for the synthesis of a carbonyl-containing fine chemical product. The method has a relatively high atomic economy and can reduce the generation of by-products.

IPC Classes  ?

• C07D 277/68 - Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
• C07D 235/26 - Oxygen atoms
• C07D 417/06 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms

Abstract

The invention discloses an energy self-control base station for battery replacement based on solar power supply with independent UAV take-off and landing, which comprises a UAV take-off and landing device, an automatic battery replacement device and an energy supply device. The foldable solar panel structure is driven by a motor. The invention has simple structure and is convenient for automatic battery replacement. The UAV damage caused by UAV position deviation is effectively avoided when the platform descends. The invention adopts an electric mechanical claw to cooperate with a liftable battery compartment, so as to automatically replace UAV batteries. After the electric mechanical claw is aligned with the predetermined position, the batteries can be grasped and placed by lifting the battery compartment or the annular lifting platform, which simplifies the mechanical structure of the automatic battery replacement device.

IPC Classes  ?

• B64U 50/39 - Battery swapping
• B60L 53/51 - Photovoltaic means
• B60L 53/80 - Exchanging energy storage elements, e.g. removable batteries
• B64U 70/97 - Means for guiding the UAV to a specific location on the platform, e.g. platform structures preventing landing off-centre

Abstract

A method for preparing a bacterial protein biological feed. Aspergillus niger is inoculated into a first fermentation substrate for first fermentation to obtain seed liquor; a composite strain is inoculated into a second fermentation substrate for second fermentation to obtain a bacterial protein biological feed. The first fermentation substrate comprises corn husk, bran, soybean meal and wheat middlings. The second fermentation substrate comprises corn husk, molasses, ammonium sulfate, potassium dihydrogen phosphate, magnesium sulfate, sodium chloride, acetic acid and seed liquor; and the composite strain comprises Saccharomyces cerevisiae and Candida utilis. Further provided is the use of the bacterial protein biological feed in the preparation of an animal feed and in the improvement of milk production and milk quality of animals.

IPC Classes  ?

• A23K 10/12 - Animal feeding-stuffs obtained by microbiological or biochemical processes by fermentation of natural products, e.g. of vegetable material, animal waste material or biomass
• A23K 10/37 - Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hayAnimal feeding-stuffs from material of fungal origin, e.g. mushrooms from waste material
• A23K 10/33 - Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hayAnimal feeding-stuffs from material of fungal origin, e.g. mushrooms from molasses
• A23K 20/20 - Inorganic substances, e.g. oligo-elements
• A23K 20/26 - Compounds containing phosphorus
• A23K 20/105 - Aliphatic or alicyclic compounds
• A23K 10/18 - Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions of live microorganisms
• A23K 50/10 - Feeding-stuffs specially adapted for particular animals for ruminants

Abstract

A laser additive alloy based on a CrCoVWYC powder, and a composite coating and a preparation method for the composite coating, which belong to the technical field of laser additives. An alloy powder suitable for laser additive manufacturing is designed and is different from a traditional alloy powder with a carbon content higher than 10%, the carbon content of the alloy powder is 1-8%; and carbon has a synergistic effect with an alloy powder of the other components, such that the problems of a poor powder printing property, ease of deformation and cracking, and a poor toughness matching property and mechanical properties during laser additive manufacturing of the alloy are solved. Cr, Co, V, W, Y and C powders are blown onto the surface of a base material by means of argon, and at the same time, the mixed material is cladded under the action of a laser, and a composite coating is formed on the surface of the base material. The processing cost is reduced, and the processing efficiency is improved, such that large-scale rapid processing in factories can be achieved.

IPC Classes  ?

• C22C 30/00 - Alloys containing less than 50% by weight of each constituent
• C22C 32/00 - Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
• B22F 10/25 - Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
• C22C 1/055 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using carbon
• C22C 1/053 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
• C23C 24/10 - Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
• B33Y 80/00 - Products made by additive manufacturing
• B33Y 10/00 - Processes of additive manufacturing
• B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials

Abstract

A laser additive alloy based on a NiTiAlVCMo powder, and a composite coating and a preparation method for the composite coating, which belong to the technical field of laser additives, are suitable for high-corrosion-resistance and high-wear-resistance medium carbon alloy steel components for laser additive manufacturing and remanufacturing, and effectively solve the problems of the poor powder printing performance, poor forming performance (deformation and cracking), poor toughness matching performance, poor mechanical performance, and the abrasion resistance and corrosion resistance not meeting requirements during the powder laser forming process of a traditional alloy component system. Ni, Ti, Al, V, C and Mo powders are subjected to ball-milling, mixing and vacuum drying; and the obtained mixed material is blown onto the surface of a base material by means of argon, and at the same time, the mixed material is cladded under the action of a laser, thereby forming a composite coating on the surface of the base material. The alloy has simple components and a reasonable design, thereby reducing the processing cost and improving the processing efficiency, such that large-scale rapid processing in factories can be achieved.

IPC Classes  ?

• C22C 30/00 - Alloys containing less than 50% by weight of each constituent
• C22C 32/00 - Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
• B22F 10/25 - Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
• C22C 1/047 - Making non-ferrous alloys by powder metallurgy comprising intermetallic compounds
• C22C 1/055 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using carbon
• C23C 24/10 - Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
• B33Y 80/00 - Products made by additive manufacturing
• B33Y 10/00 - Processes of additive manufacturing
• B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials

Abstract

Disclosed in the present invention is an extraction method for a small-molecule corn bran polysaccharide. The method comprises: crushing and sieving corn bran; subjecting the sieved corn bran to heating extraction with an acidic eutectic solvent, adding water thereto, stirring the resulting mixture until same is uniformly dispersed, and then filtering same for separation; subjecting the resulting filtrate to rotary evaporation to remove water molecules, so as to obtain a concentrated solution of a polysaccharide in the eutectic solvent, adding absolute ethyl alcohol thereto, leaving the resulting mixture to stand, and subjecting same to centrifugal separation, washing same with absolute ethyl alcohol and freeze-drying, so as to obtain a crude corn bran polysaccharide; and purifying the crude corn bran polysaccharide by means of gradient alcohol precipitation with ethanol, so as to obtain a small-molecule corn bran polysaccharide. In the technical solution of the present invention, the corn bran polysaccharide extracted by using an acidic eutectic solvent has a low molecular weight, and the process is simple. In the invention, the crude corn bran polysaccharide extracted by preferably using a lactic acid/choline chloride eutectic solvent has a high extraction rate, and the molar ratio of lactic acid to choline chloride is 10 : 1, which reduces the process cost.

IPC Classes  ?

• C08B 37/00 - Preparation of polysaccharides not provided for in groups Derivatives thereof

Abstract

A gas extraction device for metal mineral inclusions and a gas extraction method therefor are provided, the device includes a base plate, an annular carrier, sealing covers, a grinding assembly, a vacuum assembly, a gas-gathering assembly and a mass spectrometer. The annular carrier is disposed on the base plate, multiple grinding chambers are defined and evenly distributed in a circular shape on the annular carrier, the sealing covers are disposed at openings of the grinding chambers, the grinding assembly includes grinding hammers, and the grinding hammers penetrate through the sealing covers and extend into the grinding chambers. Side walls of each grinding chamber defines a first through hole and a second through hole. The vacuum assembly is communicated with the grinding chambers through the first through holes. The gas-gathering assembly is communicated with the grinding chambers through the second through holes. The mass spectrometer is communicated with the gas-gathering assembly.

IPC Classes  ?

• G01N 1/22 - Devices for withdrawing samples in the gaseous state

Abstract

A pore-forming microsphere homogenizing device and method include steps of: firstly homogenizing the pore-forming microspheres made of the cow dung into the clay paste; secondly homogenizing the materials by using the kneading gear and the ejection cylinder rotating in opposite directions for kneading the clay paste while ejecting the pore-forming microspheres; and thirdly homogenizing the materials by using the telescopic kneading part and the ejection cylinder together for further kneading the clay paste while ejecting the pore-forming microspheres. With the foregoing processes, uniform and complete closed pores are uniformly distributed in the clay bricks, so that the strength of the clay bricks remains unchanged while clay usage is reduced.

IPC Classes  ?

• B28C 1/16 - Apparatus or methods for obtaining or processing clay for processing clay-containing substances in non-fluid condition specially adapted for homogenising, comminuting or conditioning clay in non-fluid condition or for separating undesired admixtures therefrom for homogenising, e.g. by mixing, kneading
• B28C 3/00 - Apparatus or methods for mixing clay with other substances
• C04B 33/04 - ClayKaolin
• C04B 33/132 - Waste materialsRefuse
• C04B 33/32 - Burning methods
• C04B 38/06 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof by burning-out added substances

Abstract

A pole yurt framing structure system includes: a crown wheel, a roof pole, and a lattice wall; wherein the crown wheel is a prismatic conical structure formed by multiple triangular first pole orthogonally stacked wooden rib structures; the roof pole comprises multiple rectangular second pole orthogonally stacked wooden rib structures and multiple triangular third pole orthogonally stacked wooden rib structures; and the lattice wall comprises at least one cuboid frame and multiple rectangular frames. A construction method of the pole yurt framing structure system uses assembly technology. The composite wooden poles with the same specifications are prefabricated by the factory, which are assembled on site to form the pole orthogonally stacked wooden rib structures. Finally, the pole yurt framing can be obtained. The technical scheme reduces the production and design cost, and reduces environment pollution caused by the construction.

IPC Classes  ?

• E04H 15/00 - Tents or canopies, in general
• E04H 15/34 - Supporting means, e.g. frames

Abstract

An image semantic segmentation algorithm and system based on multi-channel deep weighted aggregation where the image semantic segmentation algorithm is based on multi-channel deep weighted aggregation. The aggregation includes semantic features with definite class information in an image, transition semantic features between low-level semantic and high-level semantic, and semantic features of context logic relationship in an image are extracted by a low-level semantic channel, an auxiliary semantic channel and a high-level semantic channel, respectively. The aggregation further includes three different semantic features obtained in S1 are fused by weighted aggregation to obtain global semantic information of the image; S3, the semantic features output from respective semantic channels in S1 and the global semantic information in S2 are used to compute loss function for training.

IPC Classes  ?

• G06V 10/26 - Segmentation of patterns in the image fieldCutting or merging of image elements to establish the pattern region, e.g. clustering-based techniquesDetection of occlusion
• G06V 10/80 - Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level
• G06V 10/40 - Extraction of image or video features
• G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
• G06V 10/776 - ValidationPerformance evaluation

Abstract

The present invention discloses a heat exchanger capable of automatically adjusting heat exchange area, which relates to the field of heat exchangers. The key points of the technical solution of the present invention include a heat exchange wall, which includes a fixed heat exchange wall, and a self-adjusting heat exchange wall that can automatically expand and contract according to the flow or temperature of the fluid to change the heat exchange area. The present invention can automatically change the heat exchange area, and timely respond and adapt to different working conditions, having simple structure, low production cost and good stability.

IPC Classes  ?

• F28F 13/00 - Arrangements for modifying heat transfer, e.g. increasing, decreasing
• F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations

Abstract

A device for testing temperature conduction and frost-heaving strain of a concrete lining canal comprises: a frost-heaving device comprising a lining canal body and a temperature control device, the temperature control device being configured to provide a predetermined temperature for the lining canal body; a detection device comprising a transverse deformation detection device, a vertical deformation detection device and a plurality of temperature sensors, the transverse deformation detection device being configured to detect a transverse frost-heaving strain parameter of the lining canal body, and the plurality of temperature sensors being arranged along an axial direction of the lining canal body, being embedded inside the lining canal body and being configured to detect temperature conduction performance of the lining canal body.

IPC Classes  ?

• G01L 11/02 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group or by optical means
• G01K 11/3206 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering

Abstract

The high-frequency vibration nicking device for microbead surfaces includes a high-frequency vibration assembly and a container. Microbeads or mixed materials of the microbeads and a grinding material are filled in the container, and the vibration output end of the high-frequency vibration assembly is connected with the container to perform high-frequency vibration on the microbeads. The high-frequency vibration nicking method for microbead surfaces includes steps of adding the microbeads into the container, turning on the high-frequency vibration assembly, and performing high-frequency vibration motion on the microbeads in the container under the action of the high-frequency vibration assembly. According to the device and the method, the high-frequency vibration assembly generates high-frequency vibration to drive the microbeads to perform high-frequency vibration motion in a limited space, so that mutual collision and friction are generated among the microbeads, between the microbeads and the container wall and between the microbeads and the vibrating body.

IPC Classes  ?

• C03C 19/00 - Surface treatment of glass, not in the form of fibres or filaments, by mechanical means

Abstract

The invention discloses an experimental apparatus and an experimental method for the negative bending moment zone of a continuous beam to bear load under chloride environment, relating to the technical field of engineering experiment, comprising a high-rigidity main frame, a loading system, an erosion system and a test beam; the test beam is detachably arranged on the high-rigidity main frame; the loading system is installed on the high-rigidity main frame and under the test beam, and is used to apply load to the test beam; the erosion system is arranged on the test beam with built-in chloride solution; the test beam is a continuous beam that meets the design requirements. The experimental apparatus provided by the invention is stable and reliable, easy to use, and can provide the experimental conditions for the wet-dry cycle and the load-bearing coupling reaction in chloride environment.

IPC Classes  ?

• G01N 3/10 - Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
• G01N 3/06 - Special adaptations of indicating or recording means

Abstract

The invention discloses a durable roof structure with frost resistance and high ductility and a construction method thereof, belonging to the technical field of roofing, and comprises a base layer, a leveling layer, a flexible waterproof coating, a thermal insulation layer and a crack-resistant and frost-resistant surface layer arranged in sequence from bottom to top. The invention not only has lower requirements on construction conditions and simple operation, but also reduces the generation of large cracks, effectively improves the crack resistance and frost resistance of the roof, improves the roof structure, and is more suitable for the northern cold region.

IPC Classes  ?

• E04D 3/35 - Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
• E04D 11/02 - Built-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition

Abstract

Provided are a composition and a method for inducing differentiation of neural stem cells, and the use thereof. The composition comprises an induction culture solution and a laminin solution with a concentration of 3-20 μg/ml. The induction culture solution contains a KnockOut serum replacement.

IPC Classes  ?

• C12N 5/0797 - Stem cellsProgenitor cells
• C12N 5/079 - Neural cells

Abstract

The present disclosure provides a Klebsiella pneumoniae Y7-3 with a deposit number of CCTCC NO: M2019851. The strain can degrade corn stover into acetic acid, ethanol, and hydrogen, and can further metabolize into acetic acid, ethanol, 1,3-propanediol, lactic acid, and hydrogen.

IPC Classes  ?

• C12N 1/20 - BacteriaCulture media therefor
• C12N 9/42 - Hydrolases (3.) acting on glycosyl compounds (3.2) acting on beta-1, 4-glucosidic bonds, e.g. cellulase
• C12P 7/06 - Ethanol, i.e. non-beverage
• C12P 7/18 - Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic polyhydric
• C12P 7/54 - Acetic acid
• C12P 7/56 - Lactic acid

Abstract

This technology comprises a combined accessory of an in-situ concrete 3-D printed horizontal load-bearing member and a preparation method. The combined accessory includes 3-D printed concrete and a bottom mesh, the 3-D printed concrete contains fine aggregates having the particle size of 0.08 mm-4.75 mm, and the fluidity of the 3-D printed concrete is larger than or equal to 110 mm and smaller than or equal to 190 mm; the bottom mesh is a reinforcing mesh or expanded metal, the diameter of the reinforcing bar is larger than or equal to 0.5 mm, and the mesh aperture of the reinforcing mesh is smaller than or equal to 7.5 times of an upper limit of the particle size of the fine aggregate and is larger than or equal to 7.5 times of a lower limit of the particle size of the fine aggregate.

IPC Classes  ?

• E04C 5/04 - Mats
• B33Y 10/00 - Processes of additive manufacturing
• B33Y 80/00 - Products made by additive manufacturing
• E04B 5/32 - Floor structures wholly cast in situ with or without form units or reinforcements
• E04B 7/20 - Roofs consisting of self-supporting slabs, e.g. able to be loaded
• E04C 3/20 - JoistsGirders, trusses, or truss-like structures, e.g. prefabricatedLintelsTransoms of concrete or other stone-like material, e.g. with reinforcements or tensioning members
• E04G 21/02 - Conveying or working-up concrete or similar masses able to be heaped or cast

Abstract

Disclosed in the present invention are a combined accessory of a concrete mold-free-forming bearing component and a preparation method. The combined accessory is composed of concrete and a mesh mold, wherein the concrete is coarse-fine mixed aggregate concrete or unitary fine aggregate concrete, the unitary fine aggregate concrete being 3-D printing concrete; the coarse-fine mixed aggregate concrete has fine aggregate having a particle size of 0.08 mm to 4.75 mm and coarse aggregate having a particle size greater than or equal to 5 mm, and has a fluidity greater than or equal to 70 mm and less than or equal to 250 mm; the 3-D printing concrete has fine aggregate having a particle size of 0.08 mm to 4.75 mm, and has a fluidity greater than or equal to 110 mm and less than or equal to 190 mm; the mesh mold is a rib mesh or a steel plate mesh, with the diameter of ribs being greater than or equal to 0.5 mm, and the pore diameter of a mesh of the rib mesh is less than or equal to 7.5 times the maximum particle size of the fine aggregate, and is greater than or equal to 7.5 times the minimum particle size of the fine aggregate; and after first-layer concrete printing concrete is poured, the mesh mold is wrapped in the concrete and combined with the mesh mold into a whole, and after the concrete has solidified and hardened, a support can be formed, that is, subsequent multi-layer concrete consecutive pouring and stacking can be performed thereon.

IPC Classes  ?

• E04C 3/20 - JoistsGirders, trusses, or truss-like structures, e.g. prefabricatedLintelsTransoms of concrete or other stone-like material, e.g. with reinforcements or tensioning members
• E04C 5/04 - Mats
• B33Y 10/00 - Processes of additive manufacturing
• B33Y 70/00 - Materials specially adapted for additive manufacturing
• B33Y 80/00 - Products made by additive manufacturing

Abstract

A method for stepwise extraction of silica and hydroxide from silicate substances. The silicate substances are leached by chlorine-containing inorganic acids, and the hydroxides are extracted step by step from the leaching liquor by electrochemical deposition method; The raw material of the powder is put in the reactor, inorganic acids, water-soluble alcohol and water are added as the leaching liquor, heated and reacted under the condition of 0.1 MPa or more, and the acidic multi-ion mixed solution and filter residue are obtained by filtration. The acidic multi-ion mixed solution is heated and boiled, and the silicon-containing volatile components are collected, decomposed and deposited in the collector; The deposited volatile components is dried to obtain high purity silica powder; The filter residue is washed and dried to obtain silica; The hydroxides are extracted from the acidic multi-ion mixed solution by electrochemical deposition method.

IPC Classes  ?

• C01B 33/12 - SilicaHydrates thereof, e.g. lepidoic silicic acid
• C25B 1/20 - Hydroxides
• C25B 15/02 - Process control or regulation

Abstract

22S and an alkali for the synthesis of a carbonyl-containing fine chemical product. The method has a relatively high atomic economy and can reduce the generation of by-products.

IPC Classes  ?

• C07D 277/68 - Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
• C07C 273/18 - Preparation of urea or its derivatives, i.e. compounds containing any of the groups the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas

Abstract

An ultraviolet device for potato peel ripening includes a left protection plate and a right protection plate, wherein a first-stage potato-soil separation device and a second-stage potato-soil separation device are sequentially arranged between the left protection plate and the right protection plate, a triangular ventilation pipeline is arranged above the first-stage potato-soil separation device and the second-stage potato-soil separation device, front air outlets are formed in the surface, corresponding to the first-stage potato-soil separation device, of the triangular ventilation pipeline, lower air outlets are formed in the surface, corresponding to the second-stage potato-soil separation device, of the triangular ventilation pipeline, the triangular ventilation pipeline communicates with a centrifugal fan, the left protection plate and the right protection plate are provided with a plurality of plant ultraviolet light supplementing lamps used for irradiating the first-stage potato-soil separation device and the second-stage potato-soil separation device respectively.

IPC Classes  ?

• A01D 17/00 - Digging machines with sieving and conveying mechanisms
• A01D 33/08 - Special sorting and cleaning mechanisms
• A23B 7/015 - Preserving by irradiation or electric treatment without heating effect

Abstract

The present disclosure provides a high-frequency magnetoimpedance testing apparatus and method. A testing platform in the apparatus is arranged within a Helmholtz coil and connected to a modulating electric current source and a high-frequency impedance analyzer, respectively; the Helmholtz coil is connected to a DC power source; a processor is connected to the high-frequency impedance analyzer and the DC power source separately; the testing platform includes a first double-sided copper-clad plate, and mode transition switches and connection terminals that are arranged on the first double-sided copper-clad plate; one end of the first double-sided copper-clad plate is connected to the high-frequency impedance analyzer, while the other end of the same is connected to a load; the mode transition switches are connected to the modulating electric current source. The present disclosure can realize in-situ current modulation of metallic fibers and high-frequency magnetoimpedance testing, and improve the testing accuracy.

IPC Classes  ?

• G01N 27/72 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
• G01N 33/20 - Metals
• H01R 13/646 - Details of coupling devices of the kinds covered by groups or specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
• G06F 13/42 - Bus transfer protocol, e.g. handshakeSynchronisation

Abstract

Provided is Klebsiella pneumoniae Y7-3 with the deposit number CCTCC NO: M2019851, which can degrade corn straw into acetic acid, ethanol and hydrogen, and can also degrade different nitrogen sources into acetic acid, ethanol, 1,3-propanediol, lactic acid and hydrogen.

IPC Classes  ?

• C12N 1/20 - BacteriaCulture media therefor
• C12N 9/42 - Hydrolases (3.) acting on glycosyl compounds (3.2) acting on beta-1, 4-glucosidic bonds, e.g. cellulase
• C12P 3/00 - Preparation of elements or inorganic compounds except carbon dioxide
• C12P 7/06 - Ethanol, i.e. non-beverage
• C12P 7/18 - Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic polyhydric
• C12P 7/54 - Acetic acid
• C12P 7/56 - Lactic acid
• C12R 1/22 - Klebsiella

Abstract

A molten hydroxide direct carbon fuel cell and a power generation device comprising same. The molten hydroxide direct carbon fuel cell comprises a carbon slurry storage device (1), an anode chamber (3), a cathode chamber (5), an anode current collector (2), a cathode current collector (4), an anode current-collecting lead (6), a cathode current-collecting lead (7), a thermocouple sleeve (8), carbon slurry feed pipes (11, 12, 13), a molten hydroxide electrolyte (19), a carbon fuel (18), and a cathode chamber oxygen supply device; the carbon slurry storage device (1), the anode chamber (3), and the cathode chamber (5) are provided in such a manner that the heights of the positions of the lower surfaces thereof are increased in sequence, and the upper surface of the anode chamber (3) is higher than the upper surface of the carbon slurry storage device (1) and lower than the upper surface of the cathode chamber (5). Provided is a novel fuel-continuous-supplied-type direct carbon fuel cell structure, which compensates for the lack of a continuous operation power-generation mode of direct carbon fuel cells; the cathode and anode chambers are arranged in a staggered manner, so that an electrolyte flows from the cathode chamber to the anode chamber by means of gravity to realize ion migration, avoiding the usage of traditional ion exchange membranes between the cathode and anode chambers.

IPC Classes  ?

• H01M 8/14 - Fuel cells with fused electrolytes

Abstract

The invention discloses a special equipment and a method for surface microcrystallization of cementitious materials. The specialized equipment includes a vibrator, a vibration signal generator, a power amplifier and a vibration transmitting body. A signal output terminal of the vibration signal generator is connected to a signal input terminal of the power amplifier, a signal output terminal of the power amplifier is connected to a signal input terminal of the vibrator, the vibrator is connected to the vibration transmitting body, and the vibration transmitting body is to be in contact with the cement product after initial setting. The surface microcrystallization method for cement product: after the casting and before the final setting of the cement product, vibration is applied to its outer or inner surface, the vibration frequency is greater than or equal to 1 KHz, and the vibration time is greater than or equal to 5 minutes. The surface layer of the cement product prepared by the present invention forms a structured layer with a certain thickness, high density, low permeability and relatively uniform surface coverage of granular crystal or gel phase, so that the cement product has excellent anti-aging performance.

IPC Classes  ?

• B28B 1/08 - Producing shaped articles from the material by vibrating or jolting
• C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
• C04B 7/00 - Hydraulic cements
• C04B 7/34 - Hydraulic lime cementsRoman cements
• C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
• C04B 32/00 - Artificial stone not provided for in other groups of this subclass

Abstract

A casting device of a large non-ferrous metal thin-walled structural component. A liquid outlet of the casting device is communicated with a casting sand box. The casting device comprises an L-shaped liquid storage cylinder, a pressure supplying cylinder, and a crystallization treater. Protective gas with the first gas pressure can be inflated into the top of the L-shaped liquid storage cylinder. The pressure supplying cylinder and the L-shaped liquid storage cylinder are integrally connected to form a U-shaped tube connector. Protective gas with the second gas pressure can be inflated into the top of the pressure supplying cylinder. A liquid inlet of the crystallization treater is communicated with the pressure supplying cylinder while a liquid outlet is communicated with the pouring system and the mold cavity. The crystallization treater is provided with a grain refining mechanism.

IPC Classes  ?

• B22D 17/30 - Accessories for supplying molten metal, e.g. in rations
• B22D 17/14 - Machines with evacuated die cavity
• B22D 17/22 - DiesDie platesDie supportsCooling equipment for diesAccessories for loosening and ejecting castings from dies
• B22D 27/08 - Shaking, vibrating, or turning of moulds
• B22D 18/04 - Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould

Abstract

A GMI bio-magnetic measuring device based on a magnetic-bead concentration and a simulated lesion shape, includes an impedance analyzer, a Helmholtz coil, a metallic fiber, a fluxgate uniaxial magnetometer, a data acquisition card, a computer, a magnetic-bead-concentration adjustable platform and a lesion shape simulation platform. The metallic fiber is fixedly disposed on the magnetic-bead-concentration adjustable platform or the lesion shape simulation platform. Two terminals of the metallic fiber are electrically connected with a connection terminal of the magnetic-bead-concentration adjustable platform or the lesion shape simulation platform, and then are electrically connected with an input end of the impedance analyzer. An output end of the impedance analyzer is electrically connected with the computer. The magnetic-bead-concentration adjustable platform or the lesion shape simulation platform is placed at the interior of the Helmholtz coil. A probe of the fluxgate uniaxial magnetometer is disposed at the interior of the Helmholtz coil.

IPC Classes  ?

• G01R 33/09 - Magneto-resistive devices

Abstract

A solar-powered energy autonomous base station supporting autonomous take-off/landing and battery replacement of an unmanned aerial vehicle comprising an unmanned aerial vehicle take-off/landing device, an autonomous battery replacement device, and an energy supply device. A foldable solar panel structure in the energy supply device is driven by a motor. A combination of an electric blocking plate curved to a certain degree and a rotatable circular lifting platform serves as an unmanned aerial vehicle position adjustment structure. The energy autonomy base station has a simple structure, effectively avoids damage caused to the unmanned aerial vehicle by a position deviation of the unmanned aerial vehicle existing during descending of the platform, and facilitates autonomous battery replacement. The autonomous battery replacement device uses an electromechanical claw and a liftable battery compartment to complete autonomous replacement of an unmanned aerial vehicle battery. Since the battery compartment and the circular lifting platform are liftable, the electromechanical claw needs to move only along one plane. The electromechanical claw is aligned with a predetermined position, and the battery is picked and placed by means of lifting of the liftable battery compartment or the circular lifting platform, thereby simplifying the mechanical structure of the autonomous battery replacement device.

IPC Classes  ?

• B64F 1/00 - Ground or aircraft-carrier-deck installations
• B60S 5/06 - Supplying batteries to, or removing batteries from, vehicles
• B60L 53/51 - Photovoltaic means

Abstract

A movable belt breakage prevention and catching system for a belt conveyor includes a detection device, two tracks, a plurality of catching devices, and a control system. The detection device is mounted on the belt conveyor, and is configured to detect whether a belt of the belt conveyor has a crack. The two tracks are symmetrically arranged on both sides of the belt conveyor, and the plurality of catching devices are symmetrically arranged on the two tracks. The control system is configured to control the plurality of catching devices to simultaneously catch the belt firmly when the detection device detects that the belt has a crack; and after firmly catching the belt, each catching device is able to unidirectionally move along with the belt along the track where the catching device is positioned.

IPC Classes  ?

• B65G 43/06 - Control devices, e.g. for safety, warning or fault-correcting interrupting the drive in case of driving-element breakageBraking or stopping loose load-carriers
• B65G 43/02 - Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load- carriers, e.g. for interrupting the drive in the event of overheating
• F15B 11/16 - Servomotor systems without provision for follow-up action with two or more servomotors
• G05B 19/4155 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme

Abstract

The present invention provides an on-line real-time diagnosis system and method for wind turbine blade (WTB) damage. The system includes a four-rotor unmanned aerial vehicle (UAV), a cloud database, and a computer system. The four-rotor UAV captures images of WTBs in real time, and transmits the images to the computer system. The cloud database stores an image library used for a Visual Geometry Group (VGG)-19 net image classification method, where an image in the image library stored in the cloud database is dynamically captured from a network. The computer system is used to perform training by using the image library to obtain an improved VGG-19 net image classification method, and classify, by using the improved VGG-19 net image classification method, the images of the WTBs received from the four-rotor UAV, to obtain a WTB damage diagnosis and classification result and a damage grading result.

IPC Classes  ?

• G06T 7/00 - Image analysis
• G01S 13/933 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• B64D 47/08 - Arrangements of cameras
• G01S 13/08 - Systems for measuring distance only
• G06K 9/62 - Methods or arrangements for recognition using electronic means
• H04N 5/225 - Television cameras
• G06V 20/10 - Terrestrial scenes

Abstract

A device for cage jamming buffer of large-tonnage hoisting system of ultra-deep shaft is provided. End cage jamming buffer mechanisms are added at both ends of an automatic wire rope tension balancing mechanism, wherein the end cage jamming buffer mechanisms include an end buffer module and an end fixing module, and the end buffer module and the end fixing module are respectively mounted on shafts of the automatic wire rope tension balancing mechanisms at two ends. The end buffer module mainly consists of a buffer bearing pedestal, a limit block, a buffer block, and a stop block sequentially mounted on the shaft of the automatic wire rope tension balancing mechanism at one end. The end fixing module mainly consists of a fixing bearing pedestal and a fixing block mounted on the shaft, wherein the fixing bearing pedestal is connected to a transmission gear by an adjusting bolt.

IPC Classes  ?

• B66B 5/28 - Buffer-stops for cars, cages, or skips
• B66B 15/06 - Drums
• B66B 5/02 - Applications of checking, fault-correcting or safety devices in elevators responsive to abnormal operating conditions
• B66B 7/10 - Arrangements of ropes or cables for equalising rope or cable tension

Abstract

The invention provides a test device and method for controlling a low-temperature environment. A double-layer stainless steel plate forms an interlayer cavity of a cooling box; four walls of the cooling box are provided with a heat insulation plate; a probe thermometer is disposed on a side wall of the cooling box; both the top of a press and the bottom of an indenter of a universal testing machine are provided with a fiberglass reinforced plastic pipe cover; the cooling box is disposed on the press; the indenter is disposed in the cooling box through a through hole; a cold bath device communicate with the cooling box; the cold bath device and the interlayer cavity are provided with a freezing liquid; a stress-strain data acquisition instrument is connected to a sample in the cooling box through a strain gage and a strain gage connection line.

IPC Classes  ?

• G01N 3/54 - Performing tests at high or low temperatures
• G01N 3/18 - Performing tests at high or low temperatures
• G01N 3/42 - Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid

Abstract

A special device and method for cement product surface microcrystallization. The specific device comprises a vibrator (1), a vibration signal generator (2), a power amplifier (3), and a vibration transmission body; a signal output end of the vibration signal generator (2) is connected to a signal input end of the power amplifier (3); a signal output end of the power amplifier (3) is connected to a signal input end of the vibrator (1); the vibrator (1) is connected to the vibration transmission body; the vibration transmission body contacts a cement product subjected to initial setting. The method for cement product surface microcrystallization comprises, after pouring and before final setting, applying vibration to the outer or inner surface of a cement product, a vibration frequency being greater than or equal to 1 KHz, and a vibration duration being greater than or equal to 5 minutes. The surface layer of a cement product produced using the device and method is formed with a structural layer which has a certain thickness, high density, low permeability, in which the surface is coated with uniform granular crystals or gel phases, so that the cement product has excellent aging resistance.

IPC Classes  ?

• C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
• E04G 21/06 - Compacting concrete, e.g. by application of vacuum before hardening

Abstract

Disclosed is a cage jamming buffering device for an ultra-deep vertical shaft large-tonnage hoisting system. An end cage jamming buffering mechanism is additionally provided at two ends of automatic wire rope tension balancing mechanisms (01). The end cage jamming buffering mechanism comprises an end buffering module and an end fixing module, wherein the end buffering module and the end fixing module are respectively mounted on shafts of the automatic wire rope tension balancing mechanisms (01) located at two ends; the end buffering module is mainly composed of a buffering bearing pedestal (37), a stop block (34), a buffering block (35) and a stop block (36), which are sequentially mounted on the shaft of the automatic wire rope tension balancing mechanism (01) located at one end; the end fixing module is mainly composed of a fixed bearing pedestal (41) and a fixed block (43), which are mounted on the shaft, the fixed bearing pedestal (41) being connected to a transmission gear by means of an adjusting bolt (42), and the fixed block (43) being located between the transmission gear and the fixed bearing pedestal (41); and before the shaft rotates, a distance is reserved between the stop block (36) and the buffering block (35) on the transmission gear adjacent to the stop block. The device can ensure that a wire rope is not be broken when an ultra-deep vertical shaft large-tonnage hoisting system has a cage jamming fault.

IPC Classes  ?

• B66B 5/28 - Buffer-stops for cars, cages, or skips
• B66B 5/02 - Applications of checking, fault-correcting or safety devices in elevators responsive to abnormal operating conditions

Abstract

Disclosed is a movable belt break protection and capture system for a belt conveyor, belonging to the technical field of belt break protection for belt conveyors. The system comprises a detection device, two rails (1), a plurality of capture devices (2), and a control system, wherein the detection device is mounted on a belt conveyor (3) and is used to detect whether a belt (4) of the belt conveyor (3) is cracked; the two rails (1) are symmetrically arranged on two sides of the belt conveyor (3), and the plurality of capture devices (2) are symmetrically arranged on the two rails (1); and the control system is used to control the plurality of capture devices (2) to firmly grasp the belt (4) simultaneously when the detection device detects that the belt (4) is cracked, and after firmly grasping the belt (4), the capture devices (2) can all move in one direction along the rails (1) where same are located under the drive of the belt (4). The system can capture the belt in a timely manner when the belt is cracked, and the belt conveyor can continue to operate after the belt is captured.

IPC Classes  ?

• B65G 43/02 - Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load- carriers, e.g. for interrupting the drive in the event of overheating

Abstract

A scraper conveyor chain breakage real-time monitoring system comprises a plurality of scrapers (5), convergence nodes (3), data transmission nodes (8), and tension strain gauges (9). The tension strain gauge (9) is flat-fit to a flat chain ring (7) in an annular slot of a scraper chain. The scraper (5) has a cavity (12) at both ends. The data transmission nodes (8) are packaged in the cavities (12). The tension strain gauge (9) is connected to the data transmission node (8). The convergence nodes (3) are disposed on two sides of a machine head sprocket (2) or a machine tail sprocket (11). The monitoring method uses change of tension on two chains and the offset relationship between node positions at two ends of the same scraper as a chain breakage indicator, so as to accurately detect chain breakage on a scraper conveyor, enabling timely shutdown, adjustment, and replacement, and preventing serious accidents, damage to devices, and injuries on a production line.

IPC Classes  ?

• B65G 43/06 - Control devices, e.g. for safety, warning or fault-correcting interrupting the drive in case of driving-element breakageBraking or stopping loose load-carriers
• B65G 19/20 - Traction chains, ropes, or cables
• B65G 19/22 - Impellers, e.g. push-plates, scrapersGuiding means therefor

Abstract

The invention discloses sodium piperonyl pentadienoate, and pharmaceutical compositions or health care products containing sodium piperonyl pentadienoate, as well as a method of the preparation of sodium piperonyl pentadienoate, and the use of sodium piperonyl pentadienoate for lowering blood lipid, including the use of sodium piperonyl pentadienoate in the preparation of medicaments or health care products for lowering serum total cholesterol, lowering low density lipoprotein cholesterol, lowering triglyceride as well as preventing decrease of high density lipoprotein cholesterol.

IPC Classes  ?

• C07D 317/60 - Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
• A61K 31/36 - Compounds containing methylenedioxyphenyl groups, e.g. sesamin
• A61P 3/06 - Antihyperlipidemics
• A23L 1/29 - Modifying nutritive qualities of foods; Dietetic products ( A23L 1/09 takes precedence;dietetic salt substitutes A23L 1/22)

Abstract

The invention provides the use of potassium piperonyl pentadienoate for lowering blood lipid, including the use of the potassium piperonyl pentadienoate in the preparation of medicaments and health-care products for lowering serum total cholesterol, lowering low density lipoprotein cholesterol, lowering triglyceride as well as preventing the decrease of high density lipoprotein cholesterol.

IPC Classes  ?

• A61K 31/36 - Compounds containing methylenedioxyphenyl groups, e.g. sesamin
• A23L 1/30 - containing additives (A23L 1/308 takes precedence);;
• A61P 3/06 - Antihyperlipidemics

Abstract

The present invention relates to a compound of the following general formula (I) which has strong anti-oxidization activity, the preparation process thereof, an intermediate used, a composition and medical preparation comprising the compound of formula (I) and use of the compound of formula (I) in medicine, (functional) food, cosmetics, etc., wherein R1, R2 and n in the formula have the same definitions as in the description.

IPC Classes  ?

• C07C 231/12 - Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups
• C07D 317/50 - Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
• C07D 493/10 - Spiro-condensed systems
• C07D 317/72 - Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 spiro-condensed with carbocyclic rings
• A61K 31/19 - Carboxylic acids, e.g. valproic acid
• A61K 31/36 - Compounds containing methylenedioxyphenyl groups, e.g. sesamin
• A61K 8/44 - Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfurSalts, esters or N-acylated derivatives thereof
• A61K 8/49 - Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
• A61P 39/06 - Free radical scavengers or antioxidants
• A61P 3/10 - Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
• A61P 35/00 - Antineoplastic agents
• A61P 3/04 - AnorexiantsAntiobesity agents
• A61P 29/00 - Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agentsNon-steroidal antiinflammatory drugs [NSAID]
• A61P 25/28 - Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
• A61P 25/16 - Anti-Parkinson drugs
• A23L 1/29 - Modifying nutritive qualities of foods; Dietetic products ( A23L 1/09 takes precedence;dietetic salt substitutes A23L 1/22)