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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 8. Отображено 8.
30-01-2013 дата публикации

Preparation method for Mg2Si thermoelectricity material

Номер: CN102897768A
Автор: Zhou Yuan, Cao Mengmeng, Ren Xiufeng, Li Xiang, Nian Hongen, Zhang Binbin, Sun Qingguo, Zeng Jinbo
Принадлежит:

The present invention relates to a preparation method for an Mg2Si thermoelectricity material. The method comprises the following steps: (1) uniformly mixing Mg powder and Si powder under an Ar protection atmosphere to obtain a mixture; (2) placing the mixture in a glove box filled with Ar, and placing the glove box in a stainless steel vacuum ball milling tank to carry out intermittent ball milling to obtain uniformly-mixed powder; (3) carrying out tableting on the mixed powder to obtain a Mg-Si mixed powder tablet; (4) loading the Mg-Si mixed powder tablet into a graphite mold, and placing graphite mold in a tube furnace under an Ar atmosphere to carry out primary sintering and thermal insulation to obtain Mg2Si thermoelectricity material alloy powder; (5) carrying out tableting on the Mg2Si thermoelectricity material powder to obtain a Mg2Si alloy tablet; and (6) loading the Mg2Si alloy tablet into the graphite mold and placing the graphite mold in the tube furnace under an Ar atmosphere ...

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Номер записи: 1
16-01-2013 дата публикации

Method for preparing phase change energy storage material in MgCl2*6H2O-CaCl2*6H2O system

Номер: CN102876298A
Автор: Sun Qingguo, Han Jilong, Du Yongsheng, Li Mingzhen, Huo Yan
Принадлежит:

The invention relates to a method for preparing phase change energy storage material in the MgCl2*6H2O-CaCl2*6H2O system. The method includes: firstly, mixing MgCl2*6H2O and CaCl2*6H2O to obtain mixture; and secondly, sequentially adding nucleating agent and thickening agent into the mixture, mixing well, and packing to obtain the phase change energy storage material with phase change temperature of 20 DEG C to 25 DEG C, wherein the MgCl2*6H2O in the mixture is 5%-30% in mass fraction, and each of the nucleating agent and the thickening agent accounts for 1%-10% of the mixture by weight. The method is low in cost and easy to implement, and the prepared phase change energy storage material is highly stable.

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Номер записи: 2
12-10-2011 дата публикации

Start-up method for preparing metal and alloys through molten salt electrolysis

Номер: CN102212843A
Автор: Ye Xiushen, Wang Shidong, Li Quan, Huo Yan, Zhou Yuan, Sun Qingguo, Wu Zhijian
Принадлежит:

The invention relates to a start-up method for preparing metal and alloys through molten salt electrolysis. The method comprises the following steps: (1) ensuring the tip of a sharply pointed graphite block in a start-up device for preparing the metal and alloys through molten salt electrolysis to contact with the bottom of a graphite crucible in an electrolytic cell and be separated from the top edge of the graphite crucible by a gap, and then adding a solid electrolyte into the graphite crucible; (2) switching on an alternating current regulated power supply to heat the solid electrolyte until the solid electrolyte completely becomes liquid to obtain molten electrolyte; (3) adjusting a lifting insulation rack to ensure the tip of the sharply pointed graphite block connected with the lifting insulation rack to break away from the bottom of the graphite crucible; (4) after the molten electrolyte is fully molten into liquid molten salt, switching off the alternating current regulated power ...

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Номер записи: 3
19-10-2011 дата публикации

Molten salt electrolyte composition for preparing magnesium-rare earth alloy by using water-containing chloride to electrolyze

Номер: CN102220607A
Автор: Wu Zhijian, Sun Qingguo, Ma Haizhou, Huo Yan, Li Quan, Zhou Yuan, Ye Xiushen, Wang Shidong, Ge Fei, Han Jilong, Du Yongsheng, Nian Hongen, Ren Xiufeng, Wang Hongbin, Zhang Hongjie, Meng Jian, Niu Xiaodong, Peng Qiuming, Wang Hongyan, Du Hai, Tang Dingxiang, Lu Huayi, Zhao Lianshan
Принадлежит:

The invention relates to a molten salt electrolyte composition for preparing magnesium-rare earth alloy by using water-containing chloride to electrolyze, wherein the molten salt electrolyte is formed by mixing potassium chloride, anhydrous magnesium chloride, anhydrous rare earth chloride according to the weight ratio of 1: 0.05: 0.50-1: 0.50: 0.05. When the magnesium-rare earth alloy is prepared by using water-containing chloride as raw material to electrolyze, the preparation cost can be effectively reduced, and simultaneously the rare earth content with relatively wider range can be obtained under the condition that water-containing chloride is used as electrolysis raw material to electrolyze.

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Номер записи: 4
22-01-2014 дата публикации

High-altitude balloon height control device

Номер: CN103529859A
Автор: Sun Qingguo, Liu Tiejun, Chen Wenguang, Liu Yong, Wang Chunbao, Wang Chongzhe, Cheng Jie, Li Wei, Wei Zhiqiang, Hou Xiping, Xiong Chaochao, Yuan Feng, Shen Yanyan, Wang Pengpeng, Zhang Tuo
Принадлежит:

A high-altitude balloon height control device comprises a guide pipe, a piston, a change gear set, a satellite signal processing unit, a processor, a power supply unit, a micro motor and drive circuit, a satellite receiving antenna, an upper half casing, a lower half casing, a hanging ring, ground receiving control software and the like. According to the device, the problem that the height cannot be controlled after a high-altitude balloon is released is solved. The high-altitude balloon height control device adopts a satellite relay communication technology, so that remote monitoring on the high-altitude balloon height is realized. Discharge of air in the balloon is controlled by controlling closing of the piston and exhaust vents in the guide pipe, so that the size of the balloon is changed, and the high-altitude balloon height is decreased according to a predetermined value.

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Номер записи: 5
08-08-2012 дата публикации

Preparation method of Ca3Co4O9/Ag composite ceramic thermoelectric material with special morphology

Номер: CN102627443A
Автор: Zhou Yuan, Li Xiang, Nian Hongen, Ren Xiufeng, Sun Qingguo, Cao Mengmeng, Zhang Binbin, Du Yongsheng, Han Jilong
Принадлежит:

The invention relates to a preparation method of Ca3Co4O9/Ag composite ceramic thermoelectric material with a special morphology. The preparation method comprises the following steps of: (1) after mixing Ca(NO3)2.4H2O, Co(NO3)2.6H2O and citric acid according to proportions, adding a solvent absolute ethyl alcohol, and heating and stirring to be completely dissolved to form a transparent solution; (2) carrying out constant-temperature water bath on the transparent solution at 60 DEG C, and slowly evaporating to obtain pink sol; (3) evaporating the sol at 100-130 DEG C for 2 hours so as to convert the sol into adhesive pink dry gel, and grinding to obtain dry sol powder; (4) calcining the dry sol powder to obtain Ca3Co4O9 powder; (5) after mixing Ca3Co4O9 powder with a AgNO3 solution according to different molar ratios, heating and stirring to evaporate moisture so as to obtain a Ca3Co4O9/AgNO3 mixture; and (6), re-calcining the Ca3Co4O9/AgNO3 mixture to obtain the Ca3Co4O9/Ag composite ceramic ...

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Номер записи: 6
06-03-2013 дата публикации

Pressurization system of low-temperature heat-insulation storage tank

Номер: CN102954345A
Автор: Chen Hong, Zhou Fengguang, Liu Zhanqing, Xing Kewei, Fu Changhai, Lei Gang, Zeng Hao, Zhang Chuannong, Sun Qingguo, Liu Yanyun, Shu Anyuan, Jiang Yanming
Принадлежит:

The invention provides a pressurization system of a low-temperature heat-insulation storage tank. The system comprises a self-pressurization system, an external air source pressurization system, and an in-tank pressurization exhaust pipe. The self-pressurization system comprises a low-temperature shutoff valve, a low-temperature regulation vale, a self-pressurization device, and an exhaust pipe, which are communicated sequentially. The low-temperature shutoff valve end communicates with a storage tank liquid outlet, and the exhaust pipe end communicates with the in-tank pressurization exhaust pipe. The external air source pressurization system comprises an external air source inlet pipe and a shutoff valve. One end of the shutoff valve communicates with the external air source inlet pipe, and the other end of the shutoff valve communicates with the exhaust pipe. The pressurization system provided by the invention has both self-pressurization and external air source pressurization functions ...

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Номер записи: 7
01-08-2012 дата публикации

Method for preparing dolomite magnesia from bischofite and dolomite

Номер: CN102617054A
Автор: Sun Qingguo, Du Yongsheng, Zhou Yuan, Xiao Xueying, Huo Yan, Han Jilong, Wang Shidong, Li Mingzhen
Принадлежит:

The invention relates to a method for preparing dolomite magnesia from bischofite and dolomite. The method comprises the following steps of: firstly, grinding calcined dolomite into dolomite powder and digesting the dolomite powder into caustic dolomite lime milk by using a calcium chloride solution; secondly, preparing a magnesium chloride solution; thirdly, carrying out stirring reaction on the magnesium chloride solution and the caustic dolomite lime milk in a constant-temperature water bath to generate magnesium hydroxide precipitation; fourthly, washing the magnesium hydroxide precipitation with water and carrying out suction filtration to obtain a filter cake and a primary washing water and mother solution merged substance; fifthly, reacting the primary washing water and mother solution merged substance with the caustic dolomite lime milk to generate a calcium-magnesium hydroxide sediment; sixthly, filtering and washing the calcium-magnesium hydroxide sediment and lightly burning ...

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Номер записи: 8