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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 6. Отображено 6.
01-08-2023 дата публикации

Preparation method of simulated ancient textile mineralized sample

Номер: CN116516691A
Автор: JIA RUI, PENG ZHIQIN, JIAO JINPENG, SHAO SHUAI, YANG DAN, WENG YUN, XIA RUNTAO, FU JIANCONG, LYU GANG
Принадлежит:

The invention relates to the technical field of silk cultural relic simulation, and discloses a preparation method of a simulated ancient textile mineralization sample, which comprises the following steps: (1) adding a silk fabric into an ethanol water solution for soaking; (2) soaking in an alkaline solution; (3) adding chymotrypsin and an enzyme catalyst into an acidic buffer solution to obtain a solution A; soaking the silk fabric treated in the step (2) in a solution A, and storing the silk fabric in a constant-temperature sterile environment; taking out, and cleaning after enzyme deactivation; (4) aging in a constant-temperature and constant-humidity environment, and spraying water once every a period of time to obtain an aged silk fabric; and (5) soaking the aged silk fabric in an alkaline buffer solution containing saturated metal killing ions for mineralization to obtain a mineralized sample. The method can reduce the mineralization process to the greatest extent, can be used for ...

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Номер записи: 1
02-07-2014 дата публикации

Preparation method for doping type lithium iron phosphate using rotary hearth furnace metallized pellet

Номер: CN103904326A
Автор: ZHONG ZHENYU, SHANG FUCHENG, SHEN WEIQIAO, JIAO JINPENG, CUI JINQIANG, LI ZHIFENG, DONG XIAOCHUN, WANG CHANGBAO, GUAN SHANJI, JIANG DAN, YANG GUANGYI
Принадлежит:

The invention relates to a preparation method for a doping type lithium iron phosphate using rotary hearth furnace metallized pellet. The preparation method comprises the following steps: (1) after crushing and grinding the metallized pellet, performing acid decomposition reaction; (2) performing suction filtering on the reaction product acquired from the step (1), removing precipitate, dropwise adding hydrogen peroxide solution into the filtered solution, and thus all of the Fe2+ is transformed to Fe3+; (3) performing precipitation reaction by injecting phosphoric acid into the filtered solution after oxidation; (4) drying prepared precipitate obtained in the step (3) for 5-10 hours at temperature of 75-85 DEG C, so as to obtain an intermediate; (5) performing lithium balance on the intermediate obtained from the step (4) by using a lithium source reagent, so as to obtain a precursor; and (6) mixing the precursor obtained from the step (5) and a carbon source, roasting at 600-800 DEG C ...

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Номер записи: 2
04-08-2023 дата публикации

Preparation method of fireproof wall material capable of automatically decomposing formaldehyde

Номер: CN116534883A
Автор: PENG ZHIQIN, JIA RUI, JIAO JINPENG, FU JIANCONG, CAI YILAN, SHAO SHUAI, YANG DAN, WANG BING, WAN JUNMIN, HU ZHIWEN
Принадлежит:

The invention relates to the technical field of fireproof wall materials, and discloses a preparation method of a fireproof wall material capable of automatically decomposing formaldehyde, which comprises the following steps: (1) mixing MgO and Al2O3, sequentially carrying out ball milling, ultrasonic treatment and heating reaction to obtain a porous precursor; (2) mixing the porous precursor with nano LiF, and calcining under the protection of nitrogen to obtain a calcined product; and (3) loading titanium dioxide nanotubes on the calcined product through a coupling reaction to obtain the fireproof wall material. The spinel material has excellent fire resistance, and titanium dioxide nanotube loading is adopted, so that the wall material has the capability of catalytically decomposing toxic and harmful substances such as formaldehyde and benzene; the porous precursor is synthesized firstly, and then the nanoscale LiF is added, so that on the basis of meeting the material performance, the ...

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Номер записи: 3
11-04-2023 дата публикации

Pipeline lapping auxiliary tool and lapping method

Номер: CN115949822A
Автор: JIAO JINPENG, ZOU JIANWEN, WANG YINGQI, XIAO TIANYU, HUANG YAO
Принадлежит:

The invention discloses a pipeline lapping auxiliary tool and a lapping method. The pipeline lapping auxiliary tool comprises a bent pipeline, a plurality of guide tools are arranged on the outer side of the bent pipeline, and conversion connectors are arranged at the two ends of the bent pipeline; the cross section of the bent pipeline is circular, and scale marks which are uniformly arranged are arranged on the outer side of the circumference of the bent pipeline; the bent pipeline is made of thermal rebound plastic; the inner wall and the outer wall of the guide tool are each of a semicircular structure. The cross section of the guide tool is of an arc-shaped structure. The device is scientific and novel in structure and simple and convenient to operate, can solve the problems of high time consumption and high difficulty in re-research-in when the size is improper after field pipeline trial assembly, can solve the problem of pipeline mismatching in the current rail vehicle air pipeline ...

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Номер записи: 4
09-04-2014 дата публикации

Method for cooling molten iron by using converter fly ash

Номер: CN103710487A
Автор: WANG QIANG, BI YONGJIE, LU BO, JIAO JINPENG, WANG MINGJIE, YU LIANGTAO, HU ZENGYUE, WEN FUXIN
Принадлежит:

The invention relates to a method for cooling molten iron by using converter fly ash. The method comprises the following steps: conveying collected converter fly ash to a stock bin for later use; performing KR desulfuration and stirring treatment on the molten iron in a molten iron tank according to the prior art, wherein the clearance height of the molten iron tank is 500-900 millimeters, and the amount of the molten iron in the molten iron tank is 100-140 tons; after the KR desulfuration and stirring treatment is finished, measuring the temperature of molten iron in the molten iron tank; when the measured temperature of the molten iron is higher than 1,280 DEG C, blowing 1.2-3t of converter fly ash into the molten iron tank from the stock bin by using high-pressure nitrogen gas. According to the method, the converter fly ash does not need to be subjected to subsequent processing, and only a fixed amount of converter fly ash is added according to the temperature of the molten iron, so ...

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Номер записи: 5
30-07-2014 дата публикации

Method for preparing lithium iron phosphate by using rotary furnace metallized pellets

Номер: CN103956487A
Автор: ZHONG ZHENYU, SHANG FUCHENG, CUI JINQIANG, SHEN WEIQIAO, JIAO JINPENG, LI ZHIFENG, DONG XIAOCHUN, WANG CHANGBAO, GUAN SHANJI, JIANG DAN, YANG GUANGYI
Принадлежит:

The invention relates to a method for preparing lithium iron phosphate by using rotary furnace metallized pellets. The method comprises the following steps: 1)fragmenting, grinding the metallized pellets, blending into a slurry, performing magnetic separation; grinding a magnetic object, performing secondary magnetic separation to obtain a ferrous alloy; 2)performing oxidation treatment on the ferrous alloy in air to prepare an oxide doping an iron element; 3)taking the iron element-doped oxide as an iron source, adding a lithium source and a phosphorus source, blending to obtain a mixture; 4)performing ball milling on the mixture to prepare the slurry, drying the slurry to obtain the powder; 5)uniformly mixing the powder and polypropylene powder to obtain a predecessor; and 6)sintering the predecessor to obtain the lithium iron phosphate. The method of the invention uses the iron element in the metallized pellets produced in iron-containing mud treated in a rotary furnace, and uses elements ...

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Номер записи: 6