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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 5. Отображено 5.
16-09-2015 дата публикации

Regorafenib synthesis method by one kettle way

Номер: CN104910067A
Автор: WANG DECAI, SU PENG, YUAN CHENHUAN, GAO RUI, ZHAO WEI, LIU SHUANSHUAN
Принадлежит:

The invention discloses a regorafenib synthesis method by one kettle way, which is characterized in that 4-chlorine-trifluoro- tolyl isocyanate and 3-fluorine-4-aminophenol are added in a solvent, the temperature is controlled, a condensation reaction is carried out to generate a regorafenib intermediate 1-(4-chlorine-3-(trifluoromethyl)phenyl)-3-(2-fluorine-4-hydroxyphenyl)carbamide, then alkali is added in a same reactor for stirring, 4-chlorine-N-methyl-2-pyridine methanamide hydrochloride or 4-chlorine-N-methyl-2-pyridine methanamide are subjected to a replacement reaction, and finally purifying processing is carried out to obtain regorafenib. The method has the advantages of short process flow, simple operation, high utilization rate of raw material, and low generation cost, and has better production and utility value.

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Номер записи: 1
12-05-2023 дата публикации

External wall thermal insulation integrated gap splicing structure joint and construction method

Номер: CN116104224A
Автор: DING ZHIRONG, LIU SHUANSHUAN, WANG JIANGPENG, QIN NINGNING, YE LIANG
Принадлежит:

The invention discloses an external wall thermal insulation integrated gap splicing structure node and a construction method, the external wall thermal insulation integrated gap splicing structure node comprises a base layer wall body and a thermal insulation integrated plate, and mortise and tenon splicing seams A and mortise and tenon splicing seams B are mechanically cut in the edges of the thermal insulation integrated plate and the base layer wall body in advance; the heat preservation integrated plate and the base layer wall body are spliced and installed through a mortise and tenon splicing seam A and a mortise and tenon splicing seam B. A plurality of connecting pieces are arranged in the heat preservation integrated plate, and a thick rock wool strip fireproof isolation belt and thick expanded and vitrified small ball heat preservation mortar are arranged on the base layer wall body. The thermal insulation integrated board, the cement mortar leveling layer, the polymer anti-crack ...

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Номер записи: 2
01-07-2015 дата публикации

Preparation method of (R)-2-((4=ethylnitrobenzene) amino)-2-oxo-1-phenethyl acetate or derivate thereof

Номер: CN104744292A
Автор: WANG DECAI, YUAN CHENHUAN, ZHAO WEI, ZHU YILONG, LIU SHUANSHUAN, XU BIN
Принадлежит:

The invention discloses a preparation of method of 2-((4=ethylnitrobenzene) amino)-2-oxo-1-phenethyl acetate or a derivate thereof. According to the synthesis method, the raw material, namely D-mandelic acid reacts with an acylation reagent to generate ester; the ester is condensed to obtain the (R)-2-((4=ethylnitrobenzene) amino)-2-oxo-1-phenethyl acetate or the derivate thereof. The (R)-2-((4=ethylnitrobenzene) amino)-2-oxo-1-phenethyl acetate or the derivate thereof is an important intermediate of a medicine for treating overactive bladder and diabetes; the intermediate is not reported in any literature. The method is simple and efficient to synthesize, and high in selectivity; the output is more than 90%; the method is of important significance in the field of medicine chemical industry.

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Номер записи: 3
23-06-2023 дата публикации

Fabricated steel structure enclosure composite roof panel system and construction method

Номер: CN116290534A
Автор: DING ZHIRONG, QIAN YUANDI, LIU SHUANSHUAN, WEI ZHANLEI, ZHANG YU, WANG PINGLIANG
Принадлежит:

The invention discloses an assembly type steel structure enclosure composite roof panel system and a construction method, the assembly type steel structure enclosure composite roof panel system comprises wallboards, floor boards and roof panels, the wallboards and the floor boards are mutually spliced and erected to form a house body, the roof panels are laid on the wallboards on the top layer, the roof panels comprise formworks, keels and heat preservation layers, and the heat preservation layers are arranged on the formworks; a plurality of keels are uniformly distributed in the insulating layer; the bottoms of the keels are fixed on the template; the roof panels are connected with the wallboards through connecting pieces. The system structure is a prefabricated composite roof panel integrating heat preservation and compression resistance, a heat preservation layer in the roof panel is filled with real gold plate particles, a real gold plate is a novel heat preservation material of a ...

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Номер записи: 4
25-04-2023 дата публикации

Disassembly-free heat preservation formwork for constructional engineering, matched formwork supporting system and construction technology

Номер: CN116005947A
Автор: DING ZHIRONG, LIU SHUANSHUAN, WEI ZHANLEI, ZHANG YU, WANG PINGLIANG
Принадлежит:

The invention discloses a formwork supporting system matched with a disassembly-free heat preservation formwork for constructional engineering. The formwork supporting system is arranged on the outer surface of a wall. The non-dismantling heat preservation formwork is provided with a heat preservation plate; a non-dismantling formwork is arranged between the heat preservation plate and the wall body; the insulation board and the non-dismantling formwork are fixed on the wall body through anchor bolts; when the formwork supporting system is used for wall pouring construction, a formwork is adopted for supporting the non-dismantling heat preservation formwork. The formwork comprises a frame, a plurality of vertical ribs and a plurality of transverse ribs. The formwork is arranged on the outer surface of the disassembly-free heat preservation formwork and connected and fixed with the disassembly-free heat preservation formwork and the wall through fastening bolts. By the adoption of the technical ...

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Номер записи: 5