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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.
04-04-2023 дата публикации

Method for preparing mesoporous-microporous biomass super activated carbon based on carbon dioxide-phosphoric anhydride-complex copper combined activation

Номер: CN115893409A
Автор: ZHANG ZONGBO, LI DAWEI, ZHANG YU, MENG NAN, LI JIN
Принадлежит:

The invention provides a method for preparing mesoporous-microporous biomass super activated carbon based on carbon dioxide-phosphoric anhydride-complex copper combined activation, which comprises the following steps: sieving a biomass raw material, drying to constant weight, mixing with phosphoric anhydride and a complex copper activator, and carrying out ultrasonic treatment to obtain a mixture; drying the mixture, and performing high-temperature activation in a carbon dioxide atmosphere to obtain a carbide; and cooling the carbide to room temperature, washing with deionized water, and drying to obtain the mesoporous-microporous biomass super activated carbon. Compared with the prior art, the preparation method has the following beneficial effects: 1, the specific surface area and surface modification functional groups of the super activated carbon can be simultaneously improved by adopting the phosphoric anhydride and the complexing copper activating agent, so that the adsorption performance ...

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Номер записи: 1
08-08-2023 дата публикации

All-covalent bond bonded inorganic-organic nano composite material as well as preparation method and application of all-covalent bond bonded inorganic-organic nano composite material

Номер: CN116553906A
Автор: ZHANG ZONGBO, GUO XIANG, LI PENGFEI, XU CAIHONG
Принадлежит:

The invention relates to a novel all-covalent bond bonded inorganic-organic nano composite material as well as a preparation method and application thereof. The composite material is formed by bonding an inorganic substance as a continuous phase and an organic polymer as a dispersive phase through a covalent bond Si-O-Si and/or Si-O-C, wherein the inorganic matter is silicon oxide, silicon nitride or a silicon-oxygen-nitrogen matrix; the organic polymer is an organic polymer with at least one of active functional groups-OH,-COOH,-NH2 and-CH (O) CH-. In the structure of the inorganic-organic nano composite material, rigid silicon oxide, silicon nitride, a silicon-oxygen-nitrogen matrix and covalent bonds limit the movement of polymer chains and chain segments, so that the thermal stability of an organic polymer is remarkably improved, and the initial decomposition temperature of the composite material is improved by more than 100 DEG C compared with that of the organic polymer forming the ...

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Номер записи: 2
29-06-2016 дата публикации

Humidity transducer based on tin oxide class graphite alkene molybdenum disulfide film

Номер: CN0205352991U
Автор: ZHANG DONGZHI, SUN YANE, ZHANG YONG, ZHANG ZONGBO, MA ZHENLONG
Принадлежит:

... 本实用新型公开了一种基于二氧化锡/类石墨烯二硫化钼薄膜的湿度传感器，包括湿度传感元件、电容-电压转换电路、STM32F103微处理器、SI4432无线通讯模块、声光报警器。湿度传感元件采用二氧化锡/类石墨烯二硫化钼薄膜作为湿敏传感薄膜，沉积在具有回形叉指电极的聚对苯二甲酸乙二醇酯衬底上。通过测量二氧化锡/类石墨烯二硫化钼薄膜湿度传感元件的电容变化实现对环境湿度的检测，具有数据采集、存储、显示以及声光报警功能，将监测数据传送给上位机及无线远程通讯，并根据设定值做出警报，可实现有效的实时监控和管理。该传感器具有高灵敏度、响应快、稳定可靠的优点，适用于物联网环境湿度实时监测。 ...

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Номер записи: 3
29-08-2023 дата публикации

Novel self-adaptive cooling mode for hot spots of microelectronic equipment

Номер: CN116669399A
Автор: GONG LIANG, ZHANG YUAN, ZHANG ZONGBO, GUO YONG, SONG SHILIANG, LI JIADONG
Принадлежит:

The invention discloses a novel self-adaptive cooling mode for hot spots of microelectronic equipment, and relates to the technical field of thermal management of the microelectronic equipment, in the mode, a vapor-liquid phase change nano-emulsion (deionized water is a continuous phase and low-boiling-point organic fluoride is a dispersed phase) with a dispersed phase having an amphiphobic (hydrophobic and oleophobic) characteristic is adopted as a heat exchange working medium; the phase-change emulsion exchanges heat by using high heat carrying capacity of water when flowing through a background area of the microelectronic equipment, and intensifies heat exchange by using latent heat of vaporization of organic fluoride and disturbance cooperation of boiling bubble drops when flowing through a hot spot area; the phase change emulsion can maintain a stable bubble flow after boiling. According to the invention, the self-adaptive cooling of the hot spot of the microelectronic equipment with ...

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Номер записи: 4