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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.
23-06-2023 дата публикации

Urea-participated silver nanoparticles as well as preparation method and application thereof

Номер: CN116275084A
Автор: ZHANG WENYAN, WANG WEI, HAO ZEZE, WU QI, LUO SHUXUAN, JI YAXIN, QI YUAN, HE ZERONG, HE RUIBO, YANG GUOPING
Принадлежит:

The invention discloses urea-participated silver nanoparticles and a preparation method and application thereof.The preparation method comprises the following steps that urea and silver nitrate are added into ethylene glycol and stirred at the normal temperature until the urea and the silver nitrate are dissolved, then ultrasonic water bath treatment is conducted, a solution A is obtained, polyvinylpyrrolidone is added into the ethylene glycol and stirred at the normal temperature until the polyvinylpyrrolidone is dissolved, and a solution B is obtained; a solution B is obtained; carrying out preheating and heat preservation treatment on the solution B, dripping the solution A into the preheated solution B, and carrying out stirring, standing and heat preservation to obtain a silver nanoparticle mother solution; and carrying out solid-liquid separation on the silver nanoparticle mother solution, and purifying a precipitate obtained by separation to obtain the silver nanoparticles. According ...

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Номер записи: 1
09-05-2023 дата публикации

Multifunctional pipe protruding machine

Номер: CN116078891A
Автор: FENG YONG, FENG JUNXIU, LYU TAIFANG, JI YAXIN
Принадлежит:

The invention discloses a multifunctional pipe protruding machine which comprises a base, a support is welded to the base, a cam assembly is installed at the bottom of the support and connected with a transmission mechanism, the transmission mechanism and the cam assembly are installed at the bottom of the support in a matched mode, the transmission mechanism is connected with a driving mechanism, and the driving mechanism drives the transmission mechanism to rotate. A frame mechanism is installed on the upper portion of the support, at least one pressing wheel mechanism is installed on the frame mechanism, the frame mechanism is connected with a lifting mechanism, the lifting mechanism is installed on the support, and a first installation hole is formed in the position, corresponding to the lifting mechanism, of the support. The pressing wheel mechanisms of different sizes on the frame mechanism are matched with the protruding parts of different outer diameters, pipelines of different ...

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Номер записи: 2
27-06-2023 дата публикации

Method for preparing high-dispersion microcrystalline silver powder through two-step method and microchannel reaction equipment

Номер: CN116329567A
Автор: ZHANG WENYAN, YANG GUOPING, WU QI, WANG WEI, JI YAXIN, LUO SHUXUAN, QI YUAN
Принадлежит:

The invention discloses a method for preparing high-dispersion microcrystalline silver powder through a two-step method and microchannel reaction equipment, and the microchannel reaction equipment comprises two raw material reactors, a collector, a Y-shaped pipeline and three control assemblies used for controlling the flow speed of raw materials, the reaction temperature and the pH value of a reaction system. Discharging ports of the two raw material reactors are connected with two feeding ports in the upper end of the Y-shaped pipeline respectively, a feeding port of the collector is connected with a discharging port in the lower end of the Y-shaped pipeline, and the three control assemblies are arranged at the two feeding ports in the upper end of the Y-shaped pipeline and the discharging port in the lower end of the Y-shaped pipeline respectively. The micro-channel reaction equipment is low in production cost, simple in operation mode and easy to disassemble and clean, the influence ...

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Номер записи: 3
04-04-2023 дата публикации

Conformal skin radar structure based on radio frequency microsystem

Номер: CN115911856A
Автор: PAN XUEFENG, SHEN JING, JI YAXIN
Принадлежит:

The invention relates to the technical field of radio frequency detection and aircraft skin, and discloses a shape-preserving skin radar structure based on a radio frequency microsystem, which comprises a plurality of special-shaped array planes formed by skin-based splicing of plane arrays based on the radio frequency microsystem according to the curvature requirement of aircraft skin, and a shape-preserving skin is attached to the surface of each special-shaped array plane. The shape-preserving skin comprises an outer electromagnetic wave-transparent protective skin, a filling part is arranged on one side face, attached to the special-shaped array face, of the protective skin, and the filling part is inserted into a splicing seam between the adjacent plane arrays. According to the invention, the special-shaped external electromagnetic wave-transparent protection skin and the special-shaped array plane based on the radio frequency microsystem are integrally designed, the shape-preserving ...

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Номер записи: 4
06-06-2023 дата публикации

Quick three-way joint for damping elbow

Номер: CN116221519A
Автор: FENG YONG, FENG JUNXIU, LYU TAIFANG, JI YAXIN
Принадлежит:

A quick three-way connector for a damping elbow comprises a connector body 1, a connector cover 2 and a damping valve 3, one end of the connector body 1 is rotationally connected with one end of the connector cover 2 through a rotating shaft, the other end of the connector body 1 is connected with the other end of the connector cover 2 through a bolt, and the damping valve 3 is installed in the connector body 1. According to the quick three-way joint for the damping elbow, the impact force of fluid on the elbow can be reduced, the vibration of the pipeline is reduced, and the backflow phenomenon of the branch pipeline when the pressure of the main pipeline is reduced can be prevented.

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Номер записи: 5