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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 10. Отображено 10.
25-03-2015 дата публикации

Method of preparing arachidonic acid

Номер: CN104450810A
Автор: LU YINGHUA, ZENG SIYU, LING XUEPING, JING KEJU, WU YIXUN, CHEN CUIXUE
Принадлежит:

The invention discloses a method of preparing arachidonic acid, and relates to arachidonic acid. The method comprises the following steps: optimizing the culture condition of producing ARA from mortierella alpine, fermenting in a basal culture medium in batches, fermenting in an optimization culture medium in batches by taking yeast powder and corn steep liquor as nitrogen sources, then carrying out high-sugar acclimation on the mortierella alpine through a fermentation tank enlargement experiment carried out by taking the yeast powder as the nitrogen source, fermenting the acclimated strains in a mixed nitrogen source optimization culture medium in batches within a capacity of 2L, filling the strains in the mixed nitrogen source optimization culture medium in a fermentation tank with the capacity of 2L, feeding 600g/L glucose when the concentration of the glucose is reduced to 10g/L to control residual glucose at 10g/L, culturing for 168h and then starting to harvest dry cells, oil and ...

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Номер записи: 1
14-07-2023 дата публикации

Thin ventilation skylight system for factory building

Номер: CN116427635A
Автор: WU KEJUN, WU YIXUN
Принадлежит:

The invention relates to a thin ventilation skylight system for a factory building. A ventilation system is installed on a supporting cross beam arranged at the top end of the factory building. The waterproof device is characterized by comprising a waterproof groove, a rain baffle, a waterproof groove pressing frame, a supporting plate, a communicating rod, a transparent valve plate, a buckle unit and a valve plate driving module; a plane plate is adopted for die punch forming, modular batch production can be achieved, the production efficiency is high, and pre-assembly is not needed; after punch forming is completed, a product can be formed only through bending operation, and the product can be installed by directly crossing the waterproof groove; the buckle units are more convenient to connect and disassemble, so that the mounting efficiency is improved; the communicating rods are connected to the supporting plates in series, the communicating rods arranged up and down are used for installing ...

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Номер записи: 2
04-06-2014 дата публикации

Method for producing grease containing gamma-linolenic acid through temperature conversion fermentation

Номер: CN103834698A
Автор: JING KEJU, HU CHAOQUN, WU YIXUN, LU YINGHUA
Принадлежит:

The invention discloses a method for producing grease containing gamma-linolenic acid through temperature conversion fermentation, relating to the method for producing gamma-linolenic acid grease. The method comprises steps of inoculating cunninghamella into a PDA plate medium for cultivating, then inoculating a fungus chunk into another PDA plate medium for cultivating, inoculating the fungus chunk on the PDA plate medium into a third PDA plate medium for cultivating, then inoculating the fungus chunk on the third PDA plate medium into a shake flask with a seed medium, regulating pH value to be 5-7, cultivating to obtain shake flask seed, inoculating the obtained shake flask seed into another shake flask with a fermentation medium, regulating pH value to be 5-7, firstly, cultivating for 6-8 days at 30-40DEG C at rotating speed of 100-250rpm, then cultivating for 4-6 days at 10-20DEG C at rotating speed of 100-250rpm, so as to obtain a fermentation liquor, carrying out suction filtering ...

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Номер записи: 3
04-03-2015 дата публикации

Preparation method of ARA (arachidonic acid)

Номер: CN104388486A
Автор: LU YINGHUA, ZENG SIYU, LING XUEPING, JING KEJU, WU YIXUN, CHEN CUIXUE
Принадлежит:

The invention provides a preparation method of ARA (arachidonic acid), and relates to ARA. The preparation method comprises the following steps: culture conditions of ARA produced by mortierella alpine are optimized, a basic medium is subjected to batch fermentation, batch fermentation taking yeast powder and corn steep liquor as nitrogen sources is performed on an optimized medium, then yeast powder is taken as a nitrogen source for a fermentor scale-up experiment, mortierella alpine is cultured in the optimized medium by taking the corn steep liquor and the yeast powder as a mixed nitrogen source, the nitrogen source in the optimized medium is replaced with the corn steep liquor and the yeast powder, and a mixed nitrogen source optimized medium is obtained; batch fermentation is performed on mortierella alpine in the mixed nitrogen source optimized medium; high-glucose domestication is performed on mortierella alpine, strains after domestication is subjected to batch fermentation in the ...

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Номер записи: 4
10-09-2014 дата публикации

Method for separating and purifying astaxanthin in phaffia rhodozyma

Номер: CN104030957A
Автор: LU YINGHUA, HAI XUANJUN, LING XUEPING, YAO CHUANYI, WU YIXUN, CHEN CUIXUE, WANG LIJUAN
Принадлежит:

The invention discloses a method for separating and purifying astaxanthin in phaffia rhodozyma and relates to astaxanthin. The method comprises the following steps: (1) washing bacteria cells of phaffia rhodozyma, removing residual oil and other impurities in fermentation liquor, performing freeze drying on bacteria, breaking the wall through an organic solvent, namely dimethyl sulfoxide, performing shading extraction through absolute ethyl alcohol, and centrifuging to remove bacteria fragments to obtain an astaxanthin ethanol crude extraction solution; (2) adding normal hexane and deionized water into the astaxanthin ethanol crude extraction solution, performing constant temperature shaking and mixing through a normal hexane-ethanol-water ternary system, centrifuging to divide the solution into two layers, abandoning the lower layer absolute ethyl alcohol-aqueous phase, collecting the upper layer normal hexane organic phase, and extracting the astaxanthin into the upper layer normal hexane ...

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Номер записи: 5
23-07-2014 дата публикации

Application of chitosan in cosmetic preparation

Номер: CN103932910A
Автор: SHEN LIANG, LU YINGHUA, XIAO ZONGMING, TU SONG, YAO CHUANYI, JING KEJU, LING XUEPING, WU YIXUN
Принадлежит:

The invention provides an application of chitosan in cosmetic preparation, and relates to chitosan. According to the application of chitosan in cosmetic preparation, chitosan is high-molecular chitosan with relative molecular weight of 20000 to 30000; the cosmetic is a shampoo composition comprising a phase A and a phase B, wherein the phase A comprises the following materials by mass percent: 69.13 to 77.27% of deionized water, 14 to 16% of sodium laureth sulfate, 4 to 6% of coconut oil amide diethanolamine, 4 to 6% of cocamidopropyl betaine, 0.5 to 2% of lactic acid, and 0.2 to 0.8% of chitosan; and the phase B is 0.03 to 0.07% of preservative by mass.

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Номер записи: 6
25-07-2023 дата публикации

Modularized installation waterproof structure for factory building

Номер: CN116480080A
Автор: WU KEJUN, WU YIXUN
Принадлежит:

The invention relates to a modular installation waterproof structure for a factory building. The waterproof structure is installed on a supporting cross beam arranged at the top end of the factory building. The waterproof device is characterized by comprising a waterproof groove, a rain baffle, a waterproof groove pressing frame, a supporting plate and a buckle unit; a plane plate is adopted for die punch forming, modular batch production can be achieved, the production efficiency is high, and pre-assembly is not needed; after punch forming is completed, forming of a product can be achieved only through bending operation, and the product can directly stretch across the waterproof groove to be installed; the length of the locking clamping hook can be adjusted by adopting a mode that the hook section is matched with the screw rod section, so that the locking requirements of waterproof grooves with different heights are met; the bottom end of the clamping installation plate is of an oval structure ...

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Номер записи: 7
22-04-2015 дата публикации

Method for preparing arachidonic acid (ARA)

Номер: CN104531787A
Автор: LU YINGHUA, ZENG SIYU, LING XUEPING, JING KEJU, WU YIXUN, CHEN CUIXUE
Принадлежит:

The invention relates provides a method for preparing arachidonic acid (ARA), relating to arachidonic acid. The method optimizes the culture conditions of Mortierella alpina for producing ARA and comprises the following steps: carrying out batch fermentation in a basal culture medium, carrying out batch fermentation in an optimized culture medium by using yeast powder and corn steep liquor as nitrogen sources, carrying out fermentation tank amplification experiment by using yeast powder as a nitrogen source, replacing the nitrogen source in the optimized culture medium with the corn steep liquor and yeast powder to obtain a mixed nitrogen source optimized culture medium; and carrying out 2L batch fermentation on Mortierella alpina in the mixed nitrogen source optimized culture medium, and culturing for 168 hours to obtain dry thallus, grease and ARA, wherein the mixed nitrogen source optimized culture medium is filled in the 2L fermentation tank.

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Номер записи: 8
23-05-2023 дата публикации

Hydrolysis seed crystal quality in-situ online detection method and application

Номер: CN116148140A
Автор: SUN QIANG, WU YIXUN, LU RUIFANG, LU BO
Принадлежит:

The invention provides a hydrolysis seed crystal quality in-situ online detection method and application, and aims at an additional seed crystal preparation process, the pH value of a reaction system in a hydrolysis seed crystal curing process is tested, and the stability of the hydrolysis seed crystal is judged according to the pH value. Aiming at an additional seed crystal hydrolysis process, the invention provides a method for in-situ online detection of the seed crystal stability, and the seed crystal stability is quantified through the pH value, so that the deviation of the seed crystal stability caused by the deviation of judging blue phase by an operator in manual stability judgment can be effectively avoided; time and labor are saved, meanwhile, the consistency of the quality of multi-batch operation seed crystals under the same operation condition is guaranteed, and then metatitanic acid and final titanium dioxide products with the consistent quality are obtained.

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Номер записи: 9
04-07-2023 дата публикации

Escherichia coli for producing pentaamino ketovaleric acid and method for producing pentaamino ketovaleric acid

Номер: CN116376787A
Автор: WU YIXUN, YI YINGZHEN, XUE CHENGFENG, YU ZIXUAN
Принадлежит:

The invention provides Escherichia coli for producing pentaamino ketovaleric acid. The Escherichia coli has double pdxY genes. The invention also provides a method for producing pentaamino ketovaleric acid. The method comprises the following steps: providing the escherichia coli; and inoculating the Escherichia coli into a culture medium containing a carbon source, isopropyl-beta-D-thiogalactoside, glycine, succinic acid and pyridoxal for culturing so as to generate the pentaamino ketovaleric acid. By means of the Escherichia coli for producing pentaamino ketovaleric acid and the method for producing pentaamino ketovaleric acid using the Escherichia coli, a strain having a high growth rate and a high ALA yield and a method for producing ALA at a high speed and a high yield are provided as a result of the Escherichia coli for producing pentaamino ketovaleric acid and the method for producing pentaamino ketovaleric acid using the same.

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Номер записи: 10