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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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Форма поиска

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 5. Отображено 5.
24-04-2013 дата публикации

Maleic acid levorotation amlodipine crystal form and preparation method thereof

Номер: CN103058914A
Автор: Zheng Xueqing, Han Caixia, Chen Lili, Gao Zhifeng, Li Ruijian
Принадлежит:

The invention discloses a maleic acid levorotation amlodipine crystal form and a preparation method thereof. Peaks exist at 2theta angles of 13.1+-0.2 degrees, 13.5+-0.2 degrees, 15.6+-0.2 degrees, 17.5+-0.2 degrees, 22.5+-0.2 degrees, 23.1+-0.2 degrees, 26.4+-0.2 degrees, 29.0+-0.2 degrees, 30.2+-0.2 degrees and 35.3+-0.2 degrees of the X-ray diffraction of the maleic acid levorotation amlodipine crystal form. The maleic acid levorotation amlodipine crystal form disclosed by the invention is high in content (or purity), low in impurity content and stable for quality, and provides security for the clinical application of maleic acid levorotation amlodipine medicines.

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Номер записи: 1
03-10-2012 дата публикации

Recombinant protein antigen for diagnosing sheep pulmonary adenomatosis virus and preparation method thereof

Номер: CN102702334A
Автор: Zhang Ziqun, Song Mingxin, Li Wei, Fu Lijun, Han Caixia, Lu Yixin, Tang Ying, Peng Yonggang
Принадлежит:

The invention relates to a recombinant protein antigen for diagnosing sheep pulmonary adenomatosis virus and a preparation method thereof, relating to a recombinant protein antigen and a preparation method thereof. The invention provides the recombinant protein antigen for diagnosing the sheep pulmonary adenomatosis virus and the preparation method thereof, in order to express an integral non-truncated CA protein and improve the antigenicity. The amino acid sequence of the recombinant protein antigen for diagnosing the sheep pulmonary adenomatosis virus is shown as SEQ ID NO:1. The preparation method comprises the following steps: performing PCR (polymerase chain reaction) amplification to obtain a target gene by taking extracted genomic DNA as a template; jointing the target gene and a vector to obtain a recombinant plasmid; jointing the recombinant plasmid and an expression vector pET-28a, transforming into a competent cell, and sequencing and identifying; inoculating a positive strain ...

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Номер записи: 2
13-03-2013 дата публикации

Rapid transient response pulse duration modulation circuit

Номер: CN102970008A
Автор: Xu Shen, Yang Miao, Han Caixia, Ge Fangli, Sun Weifeng, Lu Shengli, Shi Longxing
Принадлежит:

The invention discloses a rapid transient response pulse duration modulation circuit which comprises a PWM(pulse-width modulation)modulator, an incline compensation circuit, a current detecting circuit as well as an error amplifier, wherein the current detecting circuit comprises an LX voltage transferring circuit and a detecting current generator; the output end of the LX voltage transferring circuit is connected with the input end of a detecting current generator, and the PWM modulator comprises a voltage-current comparator, an amplifying circuit and a shaping circuit; the incline compensation circuit adopts a segmental incline compensation structure which converts incline voltage into a current for stacking and comparison, the input end of the voltage-current comparator is respectively connected with the detecting current generator, the error amplifier and the output signal of the incline compensation circuit; and the output end of the voltage-current comparator is connected with the ...

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Номер записи: 3
03-04-2013 дата публикации

Maleic acid levorotation amlodipine drug active pharmaceutical composition and preparation method thereof

Номер: CN103006648A
Автор: Zheng Xueqing, Han Caixia, Yang Xiaocan, Li Ruijian, Sun Chengyong, Wang Jianming
Принадлежит:

The invention provides a maleic acid levorotation amlodipine drug active pharmaceutical composition which comprises the following components: component I: maleic acid levorotation amlodipine; component II: dextrorotation amlodipine; component III: aspartic acid amlodipine; component IV: impurity D; and the active pharmaceutical composition does not contain impurity A, impurity B, impurity C, impurity E, impurity F, impurity G and impurity H basically. The active pharmaceutical composition is stable in quality, and can completely meet the quality requirement of maleic acid levorotation amlodipine preparation on active pharmaceutical composition; and the prepared preparation is safe, effective and controllable in quality, and ensures the clinical effect and medication safety of the maleic acid levorotation amlodipine preparation.

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Номер записи: 4
03-04-2013 дата публикации

Fast transient response DC-DC (direct-current to direct-current) switching converter with high load regulation rate

Номер: CN103023324A
Автор: Sun Weifeng, Yang Miao, Han Caixia, Qin Changbing, Zhang Liwen, Xu Shen, Lu Shengli, Shi Longxing
Принадлежит:

The invention discloses a fast transient response DC-DC (direct-current to direct-current) switching converter with high load regulation rate. The fast transient response DC-DC switching converter comprises a current detection circuit, a slope compensation circuit, a pulse width modulator, a BUCK topology circuit including a power tube, an output inductor, a filter capacitor and a load, an error amplifier and a voltage detector, wherein the error amplifier and the voltage detector are used for sampling output voltages VOUT of the BUCK topology circuit, the output voltages VOUT are respectively compared with a reference voltage VREF, output signals of the error amplifier and the voltage detector are input to the pulse width modulator in a superposing way, the current detection circuit is used for detecting an inductive current in the BUCK topology circuit, a periodic slope signal generated by the slope compensation circuit and an output end signal of the slope compensation circuit are input ...

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Номер записи: 5