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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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Применить Всего найдено 4. Отображено 4.
28-05-2014 дата публикации

Method for synthesizing sialylated oligosaccharide and analogue thereof

Номер: CN103820513A
Автор: LI XUEBING, LYU XUN, TAO YONG, LIN BAIXUE
Принадлежит:

The invention discloses a method for synthesizing sialylated oligosaccharide and an analogue. The invention provides the method for synthesizing sialylated oligosaccharide and the analogue, the method comprises the followings steps: 1)uniformly mixing a donor compound, MgC12, pyruvate and an engineering bacteria E.coli delta nanTEK/pNA bacterium suspension, reacting, collecting a supernatant; 2)adding an acceptor compound, cytidine triphosphate, CMP-sialic acid synthetase and sialytransferase in the supernatant, uniformly mixing, reacting, and collecting the reaction product which is sialyloligosaccharide or its analogue. The experiment of the present invention proves that the method has the advantages that N-acetylneuraminic acid with low price is taken as a raw material, a method of whole-cell catalysis and a method of two-step enzymatic synthesis are combined, the sialyloligosaccharide and its analogue can be synthesized by an one-pot synthesis method, the synthesis cost of the compounds ...

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Номер записи: 1
13-04-2011 дата публикации

Load-bearing element

Номер: CN0101422904B
Автор: LIN BAIXUE, ZHENG WEIYUAN, WANG YIREN, BAIXUE LIN, WEIYUAN ZHENG, YIREN WANG
Принадлежит:

The invention discloses a bearing carrier which is arranged at the side edge of a mechanical arm so as to bear a panel; the bearing carrier comprises a substrate, a cover plate and a lining pad; wherein, the substrate is fixed on the side edge of the mechanical arm, the cover plate is arranged on one side surface of the substrate, and the lining pad is arranged between the substrate and the coverplate; furthermore, the lining pad is provided with at least one support plane which protrudes out of the substrate and the cover plate, and the support plane is relatively higher than the bearing joint surface of the mechanical arm so as to place the panel on the support plane.

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Номер записи: 2
06-05-2009 дата публикации

Load-bearing element

Номер: CN0101422904A
Автор: ZHENG WEIYUAN, LIN BAIXUE, WANG YIREN, WEIYUAN ZHENG, BAIXUE LIN, YIREN WANG
Принадлежит:

The invention discloses a bearing carrier which is arranged at the side edge of a mechanical arm so as to bear a panel; the bearing carrier comprises a substrate, a cover plate and a lining pad; wherein, the substrate is fixed on the side edge of the mechanical arm, the cover plate is arranged on one side surface of the substrate, and the lining pad is arranged between the substrate and the cover plate; furthermore, the lining pad is provided with at least one support plane which protrudes out of the substrate and the cover plate, and the support plane is relatively higher than the bearing joint surface of the mechanical arm so as to place the panel on the support plane.

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Номер записи: 3
29-10-2008 дата публикации

Extracting method for ocean oxidized bacillus brevis alkali proteinase

Номер: CN0101294151A
Автор: XIE LIANHUI, LIN BAIXUE, WU ZUJIAN, LIN QIYING, HUANG ZHIQIANG, LIANHUI XIE, BAIXUE LIN, ZUJIAN WU, QIYING LIN, ZHIQIANG HUANG
Принадлежит:

A method for extracting alkaline protease from Brevibacterium oxydans broth comprises the following steps: precipitation with ammonium sulfate, DEAE-Sepharose Fast Flow ion exchange chromatography, Superdex G-200 gel column chromatography, and PEG20,000 concentration. The method has the advantages of simple process, high yield and high activity of alkaline protease. The purified protease has good thermal stability and pH tolerance, and provides novel resources for the application of alkaline protease in washing, leather making, silk industries, etc.

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Номер записи: 4