Abstract

Provided are a dose calculation method, a dose calculation device, and a computer-readable storage medium. The dose calculation method comprises: generating an intermediate image between a plurality of sequentially acquired diagnostic images; and calculating doses through a simulation using the diagnostic images and the intermediate image.

IPC Classes  ?

• G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
• A61N 5/10 - X-ray therapyGamma-ray therapyParticle-irradiation therapy
• G06T 7/00 - Image analysis
• G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
• H05G 1/42 - Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube
• A61M 5/00 - Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular wayAccessories therefor, e.g. filling or cleaning devices, arm rests

Abstract

Provided is a method for preparing a membrane for flue gas separation including a crosslinked thermally rearranged poly(benzoxazole-co-imide) through the transesterification crosslinking of an ortho-hydroxy polyimide copolymer and a diol compound, followed by thermal rearrangement. The membrane for flue gas separation including the crosslinked thermally rearranged poly(benzoxazole-co-imide) has excellent gas permeability and selectivity, and particularly provides gas separation quality corresponding to a level exceeding the so-called 2008 upper bound in terms of carbon dioxide/methane separation.

IPC Classes  ?

• B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
• B01D 71/64 - PolyimidesPolyamide-imidesPolyester-imidesPolyamide acids or similar polyimide precursors
• B29C 39/00 - Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressureApparatus therefor
• B29D 99/00 - Subject matter not provided for in other groups of this subclass
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• B01D 71/62 - Polycondensates having nitrogen-containing heterocyclic rings in the main chain
• B29L 31/00 - Other particular articles

Abstract

Provided is a crosslinked thermally rearranged poly(benzoxazole-co-imide) obtained through the transesterification crosslinking of an ortho-hydroxy polyimide copolymer and a diol compound, followed by thermal rearrangement, a gas separation membrane (excluding a membrane for flue gas separation), and a method for preparing the same. The crosslinked thermally rearranged poly(benzoxazole-co-imide) according to the present invention allows less packing of polymer chains and has a structure with a larger space, and thus shows increased possibility of permeation and diffusion of small molecules therethrough. In addition, the gas separation membrane (with the proviso that a membrane for use in flue gas separation is excluded) including the crosslinked thermally rearranged poly(benzoxazole-co-imide) according to the present invention has excellent gas permeability and selectivity, and particularly shows gas separation quality in terms of carbon dioxide/methane separation corresponding to a level exceeding the so-called 2008 upper bound.

IPC Classes  ?

• B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
• B01D 71/64 - PolyimidesPolyamide-imidesPolyester-imidesPolyamide acids or similar polyimide precursors
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• C08G 73/22 - Polybenzoxazoles
• B01D 71/62 - Polycondensates having nitrogen-containing heterocyclic rings in the main chain
• C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors