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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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Применить Всего найдено 4. Отображено 4.
11-07-2023 дата публикации

A myrcene synthase variant for improved microbial production of myrcene

Номер: CN116410968A
Автор: JIANG HUI, CHEN CHANG, LIU JIAJIA, BAO SHAOHENG, YAO GE, WAN XIUKUN, WANG FULI, HAN PENGGANG, SONG TIANYU, WANG KANG
Принадлежит:

The invention discloses a myrcene synthase variant, and belongs to the technical field of biology. The myrcene synthase variant is based on a wild myrcene synthase trCsMS sequence as shown in SEQ ID NO.17, and comprises at least one amino acid mutation in the following sites: P22, R43, N102, N106, K140, L423, D471, N481 and E523. The sequence of a nucleotide molecule of the myrcene synthase variant is any one group of nucleotide sequences as shown in SEQ ID NO. 9-16. Compared with a wild type, the myrcene synthase variant provided by the invention has better performance, can improve the yield of myrcene synthesized by microorganisms, and has good practical application value.

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Номер записи: 1
21-07-2023 дата публикации

Miniature communication and perception integrated terahertz non-invasive blood glucose monitoring system

Номер: CN116458878A
Автор: DUAN WEIQIAN, SONG RUILIANG, CUI DONGNUAN, SONG TIANYU
Принадлежит:

The invention discloses a miniature communication and perception integrated terahertz noninvasive blood glucose monitoring system, and belongs to the technical field of terahertz human body characteristic monitoring. The system comprises a transmitting chip, a detection communication chip and a far-end processing system. The transmitting chip comprises a resonant tunneling oscillation source and an on-chip antenna and is used as a terahertz transmitting front end; the detection communication chip is used for receiving a signal reflected back to the receiving end from the human skin and measuring the electromagnetic field intensity change so as to obtain spectral information related to the water content of the skin surface; the spectrum information is wirelessly transmitted to a far-end processing system; a far-end processing system obtains a large amount of data set information on the basis of a terahertz measurement experiment, and after a data set is processed through a data preprocessing ...

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Номер записи: 2
06-07-2016 дата публикации

Whole multiple unit valve is with transshipping overflow valve

Номер: CN0205371125U
Автор: SONG TIANYU, YANG PENG
Принадлежит:

... 本实用新型公开了一种整体多路阀用过载溢流阀，属于液压阀；旨在提供一种溢流缓冲和欠压补油的过载溢流阀。它包括阀体，固定在阀腔中的阀座将该阀腔分隔为左腔和右腔，右腔中有活门、该活门与阀座之间有外弹簧，带有低压腔的阀套固定在阀体上并将左腔封闭，低压腔中有将阀芯顶紧在阀孔中的调压弹簧；阀体上有高压油口和第二低压油口，该第二低压油口该与低压腔连通；活门（9）中有滑杆（14），该滑杆上有连通右腔（17）与高压油口（12）的第一阻尼孔（15），阀座（18）与滑杆（14）之间有内弹簧（7）。本实用新型不仅可实现阻尼溢流、保证平稳，而且还有负压补油作用，保证系统安全；是一种用于挖掘机整体多路阀的过载溢流阀。 ...

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Номер записи: 3
11-08-2023 дата публикации

Phenylalanine derivative containing alkynyl and benzophenone group and synthesis method

Номер: CN116574033A
Автор: HAN PENGGANG, JIANG HUI, YAO GE, BAO SHAOHENG, WANG FULI, WANG KANG, SONG TIANYU
Принадлежит:

The invention discloses a phenylalanine derivative containing alkynyl and benzophenone groups and a synthesis method, and belongs to the technical field of chemical synthesis. When a photosensitive affinity labeling technology is applied, alkynyl is a common affinity group, and benzophenone is a common photosensitive group. When the technology is used for researching the target spot of the active polypeptide, non-natural amino acid replacement is often used for introducing a photosensitive group and an affinity group, but the two functional groups can be introduced only by replacing two residues in an original sequence. And the activity of the polypeptide can be changed to influence the experimental result. Therefore, according to the invention, 4-bromophenylpropanol is taken as an initial raw material, and the 9-fluorene methoxycarbonyl protected phenylalanine derivative containing alkynyl and benzophenone groups is efficiently synthesized through eight steps of reactions such as reaction ...

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Номер записи: 4