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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 7. Отображено 7.
25-04-2023 дата публикации

System and method for monitoring full electric quantity of submerged arc furnace

Номер: CN116008650A
Автор: ZHANG HONGCHENG, GU DUANYU, LUO SHEN, GUO LIANG, QU YICHAO, YU SHI
Принадлежит:

The invention provides a submerged arc furnace full electric quantity monitoring system. The submerged arc furnace full electric quantity monitoring system comprises three preset three-phase transformer electrodes which are named as an electrode I, an electrode II and an electrode III according to a positive phase sequence, and compensation devices and burn-through devices which are correspondingly connected to the x end, the y end and the z end of the three transformers respectively; a PT cabinet, a feeder line cabinet and a star-delta inverted connection cabinet are arranged behind a high-voltage incoming line cabinet which is arranged on the primary side of the transformer in advance; the compensation device and the burn-through device are preset on a short net on the secondary side of the transformer; the system comprises a host CPU (Central Processing Unit), a third-party PLC (Programmable Logic Controller), a 1 # operation station PC (Personal Computer) OS-PC1, a 2 # operation station ...

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Номер записи: 1
04-07-2023 дата публикации

Preparation method of lithium ion battery negative electrode material

Номер: CN116375032A
Автор: CHEN MENGXIANG, ZHU GUOYIN, ZHANG YIZHOU, LIU PIN, LU-YAN QINPENG, ZHANG HONGCHENG
Принадлежит:

The invention discloses a preparation method of a lithium ion battery negative electrode material, and belongs to the technical field of lithium ion batteries, and the preparation method comprises the following steps: mixing LiF and hydrochloric acid, heating, adding a Ti3AlC2 material into the solution, magnetically stirring to obtain a mixed solution, carrying out centrifugal washing on the mixed solution, adding a LiCl solution, standing, centrifuging, and after the centrifugation is completed, carrying out vacuum drying to obtain the lithium ion battery negative electrode material. The preparation method comprises the following steps: adding a BiCl3 test solution into MXene powder, adding water into the prepared MXene powder, stirring, adding the BiCl3 test solution, continuously stirring, uniformly mixing, carrying out suction filtration to form a film, drying to obtain an MXene composite material film, putting the MXene composite material film into a NaBH4 solution, reacting, taking ...

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Номер записи: 2
23-06-2023 дата публикации

Preparation method of supercapacitor electrode material

Номер: CN116313565A
Автор: LU-YAN QINPENG, ZHU GUOYIN, CHEN MENGXIANG, ZHANG HONGCHENG, ZHANG YIZHOU, LIU PIN
Принадлежит:

The invention discloses a preparation method of a supercapacitor electrode material, and belongs to the field of supercapacitors. The preparation method of the supercapacitor electrode material comprises the following steps: S1, mixing LiF and 9M hydrochloric acid, heating in an oil bath, stirring, adding an MAX material, magnetically stirring and reacting; s2, centrifuging the mixed solution obtained in S1, adding a mixed solution of LiCl and deionized water, standing, and centrifuging; s3, after centrifugation is completed, the sample is subjected to freeze drying, and MXene is obtained; s4, dissolving MXene in deionized water, forming a membrane by a suction filtration method after complete mixing to obtain an MXene membrane, and drying the MXene membrane; and S5, placing the MXene film in a Joule heater, and heating the MXene film to obtain the TiO2-MXene composite material.

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Номер записи: 3
25-04-2023 дата публикации

Method for targeted degradation of polycyclic aromatic hydrocarbon by activating persulfate with molecularly imprinted biochar

Номер: CN115999517A
Автор: DAI CHAOMENG, YOU XUEJI, ZHANG HONGCHENG, WANG ZEYU, ZHANG YALEI, LIU SHUGUANG
Принадлежит:

The invention discloses a method for targeted degradation of polycyclic aromatic hydrocarbons by activating persulfate with molecularly imprinted biochar. The method comprises the following steps: S1) preparing molecularly imprinted biochar with polycyclic aromatic hydrocarbon specific recognition capability; s2) adding molecularly imprinted biochar and persulfate into a system rich in polycyclic aromatic hydrocarbons and competitive pollutants; and S3) removing the polycyclic aromatic hydrocarbon in the system in a targeted manner. The method for targeted degradation of polycyclic aromatic hydrocarbon by activating persulfate with molecularly imprinted biochar can effectively resist environmental matrix interference, can efficiently degrade polycyclic aromatic hydrocarbon in a targeted manner, can achieve a good removal effect under acidic and neutral conditions, is green and pollution-free in the application process, and is simple to operate.

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Номер записи: 4
21-07-2023 дата публикации

Method for degrading PAHs (polycyclic aromatic hydrocarbons) in underground water by activating persulfate with reversible surfactant

Номер: CN116462307A
Автор: DAI CHAOMENG, HAN YUEMING, ZHANG YALEI, LIU SHUGUANG, ZHANG HONGCHENG
Принадлежит:

The invention provides a method for degrading PAHs (polycyclic aromatic hydrocarbons) in underground water by activating persulfate with a reversible surfactant, which mainly comprises the following steps: adding the persulfate into a reversible surfactant solution containing the PAHs, and fully mixing and reacting to efficiently remove the PAHs in the system. The persulfate system can be activated by Br <-> in the reversible surfactant, and has high activation efficiency on the persulfate as similar halogen element chlorine, so that the purpose of circularly removing the PAHs in the underground water can be achieved without additionally adding an activating agent. The method has the advantage of effectively degrading the PAHs in the underground water under the condition of small dosage, and the method is short in acting time, simple to operate, capable of being implemented without using other equipment and capable of being used for degrading the PAHs in the underground water.

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Номер записи: 5
25-08-2023 дата публикации

Photocuring 3D printing conductive hydrogel sensor and preparation method thereof

Номер: CN116640259A
Автор: ZHANG YIZHOU, LU JINGQI, WU HONGYAN, FEI JIALEI, ZHU GUOYIN, LIU PIN, HOU YANAN, ZHANG HONGCHENG
Принадлежит:

The invention discloses a light-cured 3D printing self-healing stretchable conductive hydrogel sensor and a preparation method thereof, and belongs to the technical field of flexible sensors. Poly (N, N-dimethylacrylamide) PDMA-based hydrogel is used as a matrix material, and multi-walled carbon nanotubes and silver nanowires are added as conductive fillers to prepare the light-cured 3D printing self-healing stretchable conductive hydrogel sensor. The filler with high conductivity endows the hydrogel with good conductivity, and the sensing performance and the mechanical performance of the hydrogel are bi-directionally improved. Metal ions can form ion coordination bonds with carboxyl in the hydrogel, and PDMA is added to mediate hydrogen bonds and hydrophobic association interaction at the fracture position of the hydrogel, so that the self-healing ability of the hydrogel sensor is accelerated. The hydrogel is synthesized and prepared through a one-pot method, the preparation process is ...

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Номер записи: 6
08-08-2023 дата публикации

Preparation method of Na < + > response nano-composite hydrogel driver capable of 3D printing

Номер: CN116554421A
Автор: ZHANG YIZHOU, LU JINGQI, ZHU GUOYIN, SHI QIUWEI, LIU PIN, ZHANG HONGCHENG, HOU YANAN
Принадлежит:

The invention discloses a preparation method of a Na < + > response nano-composite hydrogel driver capable of 3D printing, and belongs to the technical field of hydrogel drivers. Methacrylated gelatin (GelMA) hydrogel is used as a matrix material, MXene and multi-walled carbon nanotubes are added as conductive fillers, a better conductive network can be formed through the synergistic effect of the MXene and the multi-walled carbon nanotubes, and the hydrogel driver can be used for 3D printing. The driving capability of the hydrogel in an ionic solution is effectively improved. The hydrogel is synthesized and prepared through a one-pot method, the preparation process is simple, technological parameters are controllable, and the prepared hydrogel can be printed into self-driven hydrogel fibers sensitive to Na < + > in a DLP photocuring 3D printing mode. The nano-composite hydrogel driver has the advantages of high sensitivity, wide Na < + > concentration response range and the like, and the ...

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Номер записи: 7