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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 12. Отображено 12.
10-12-2014 дата публикации

Special built-in insulating part for fixed gap overvoltage protector

Номер: CN104200933A
Автор: YANG YANG, ZHOU TONGMEI, XUE SHUANG, YAO JINCHENG, YANG WENHAO, WU QIANG, LIU BO, LI CHANGGEN, YANG AIHUA
Принадлежит:

The invention discloses a special built-in insulating part for a fixed gap overvoltage protector. The special built-in insulating part comprises an insulator and an insert with a wide top and a narrow bottom, the insulator is arranged in the top of the insulator, the upper portion of the insert is cylindrical, the lower portion of the insert is a multi-faceted column, an annular groove is formed in the middle section of the multi-faceted column, a counter bore is formed in the upper end of the insert, and an internal thread is arranged on the inner wall of the counter bore. The special built-in insulating part has the advantages that the insulating part is closely connected on a support of the overvoltage protector in a threaded manner through a screw and avoids the conditions that bottom insulation is damaged and the like as a past built-in insulator with insufficient strength easily fractures, is not connected in place and leaks water after seal test.

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Номер записи: 1
10-11-2010 дата публикации

Rare earth oxide doped negative temperature coefficient thermistor material

Номер: CN0101882490A
Автор: QING ZHAO, JIANGAO GUO, AIMIN CHANG, HUIMIN ZHANG, FENGXIANG LI, JINCHENG YAO, ZHAO QING, GUO JIANGAO, CHANG AIMIN, ZHANG HUIMIN, LI FENGXIANG, YAO JINCHENG
Принадлежит:

The invention relates to a rare earth oxide doped negative temperature coefficient thermistor material. The material is prepared by taking the oxides of analytically pure yttrium, lanthanum, chromium and manganese as raw materials, performing mixed grinding by using a solid phase mixing method, calcining and grinding to obtain a negative temperature coefficient thermistor powder material; performing dotted molding on the powder material; preparing a thermosensitive blank by using a platinum wire as an electrode lead; and performing high temperature sintering on the blank so as to obtain the rare earth oxide doped negative temperature coefficient thermistor material. The material is a composite ceramic material formed by a rare earth oxide Y2O3 and La2O3 doped perovskite structure, and is the thermistor material used in an extra-wide temperature region. The thermistor ceramic material prepared by adopting the method has the advantages of stable performance, high consistency, stable ageing ...

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Номер записи: 2
18-07-2023 дата публикации

Detection and alarm method and system for visual angle blind area of truck

Номер: CN116442900A
Автор: SUN CUICUI, LI QICHEN, JING GUOLONG, LIU LU, GAO LIANG, NIU TIANCONG, CHEN YI, JIANG CHUANCHUAN, YANG XIAOLEI, JI YAMING, YAO JINCHENG, ZHAO BINGXIN
Принадлежит:

The invention discloses a truck visual angle blind area detection alarm method and system, and relates to the technical field of vehicle detection. The method comprises the following steps: acquiring a driving state of a truck; determining a blind area corresponding to the driving state; obtaining driving visual angle information; the driving visual angle information is information acquired by acquisition equipment arranged at a driving position of the truck; acquiring actual blind area visual angle information; the actual blind area visual angle information is information acquired by acquisition equipment arranged in a blind area corresponding to the driving state; extracting first feature information based on the driving view angle information; extracting second feature information based on the actual blind area view angle information; and based on the first feature information and/or the second feature information, adopting a preset alarm mode to give an alarm. By implementing the technical ...

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Номер записи: 3
08-09-2020 дата публикации

Preparation method of titanium dioxide nanowire array with slender branches

Номер: CN0111634942A
Автор: WEN WEI, CAO XUSHENG, YAO JINCHENG, WU JINMING
Принадлежит:

The invention discloses a preparation method of a titanium dioxide nanowire array with slender branches. The preparation method comprises the following steps of: firstly, preparing a sodium titanate nanowire array, and carrying out acid exchange and heat treatment to obtain a TiO2 nanowire array; then, depositing a layer of TiO2 particles on the surface of the TiO2 nanowire array through chemicalbath by utilizing a TiF4 solution; and finally, carrying out hydrothermal reaction to obtain a TiO2/sodium titanate branch nanowire array, and then carrying out acid exchange and heat treatment to convert a sodium titanate branch into a TiO2 branch so as to finally obtain the TiO2 branch nanowire array. Compared with the existing technology for preparing the TiO2 branch nanowire array, the preparation method utilizes the new synthesis idea that the difference of TiO2 surface defect number, crystallinity and surface area causes the difference of reaction activity and speed, the obtained material ...

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Номер записи: 4
28-01-2015 дата публикации

High-safety single column fully insulated line connector

Номер: CN104319209A
Автор: YANG BIAO, YANG AIHUA, HUANG YONG, YAO JINCHENG, JIANG JIANMING, YANG WENHAO, YU YUEAN, JI YONGKUI
Принадлежит:

The invention discloses a high-safety single column fully insulated line connector. The high-safety single column fully insulated line connector comprises a fuse, an arc extinction tube and a tubular insulator. The upper portion and the lower portion of a cavity of the insulator are respectively provided with an upper static contact and a lower static contact. The upper static contact and the lower static contact respectively extend outside the insulator through an upper terminal and a lower terminal which penetrate through the wall of the insulator. The middle portion of the insulator is provided with a mounting bracket and the lower end of the mounting bracket is connected to a rear cover. The arc extinction tube is arranged in the cavity of the tubular insulator, the upper end of the arc extinction tube is connected to an upper connector, the top of the upper connector is connected to an upper moving contact, the lower end of the arc extinction tube is also connected to a lower connector ...

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Номер записи: 5
17-11-2010 дата публикации

Method for realizing audit verification of account, audit verification of account system and revenue audit system

Номер: CN0101887546A
Автор: WUBIN GUO, JINCHENG YAO, GUO WUBIN, YAO JINCHENG
Принадлежит:

The embodiment of the invention discloses a method for realizing audit verification of account, comprising the following steps: receiving revenue information of a communications service operation support system and e-bank electronic data of a bank electronic system; checking the revenue information and the e-bank electronic data information and outputting the checked data; and recognizing the checked data for recognizing out payer information corresponding to the data according to the preset data mantissa information. The embodiment of the invention also discloses an audit verification of account system and a revenue audit system. The invention is used to enable to solve the problem that a great deal of data with the same date and the same money simultaneously cause a plurality of data to be compared by manpower, thereby influencing the efficiency of the audit verification of account in the prior art, be able to more correctly carry out the audit verification of account, reduce the risk ...

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Номер записи: 6
27-05-2015 дата публикации

Method for preparing NTC (negative temperature coefficient) thermosensitive ceramic material through two-step solid-phase chemical reaction

Номер: CN104649681A
Автор: WANG JUNHUA, YAO JINCHENG, CHANG AIMIN
Принадлежит:

The invention relates to a method for preparing an NTC (negative temperature coefficient) thermosensitive ceramic material through two-step solid-phase chemical reaction. The method comprises the following steps: by taking manganese acetate tetrahydrate, nickel nitrate hexahydrate, magnesium nitrate hexahydrate, aluminium nitratenonahydrate and ammonium citrate as raw materials, carrying out solid-phase chemical reaction at room temperature, calcining the reaction product at a high temperature to obtain composite oxide powder with uniform size and good dispersibility, prepressing the composite oxide powder, pressing isostatically, and calcining to obtain the NTC thermosensitive ceramic material. The NTC thermosensitive ceramic material can be made into an NTC thermosensitive resistor by adopting a conventional method according to the procedures of slicing, coating with electrodes, scribing, welding and encapsulating. The NTC thermosensitive resistor has good consistent resistance value ...

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Номер записи: 7
28-01-2015 дата публикации

Installation tool for 10-kilovolt bare conductor emergency treatment insulating sheath

Номер: CN104319699A
Автор: HAN CUNFAN, WANG CHUNNING, TENG DIANXIANG, LI JIAZHENG, ZHENG JIAQING, WANG KUN, YANG BAOHU, JI YONGKUI, YAO JINCHENG, YU YUEAN, YANG WENHAO
Принадлежит:

The invention provides an installation tool for a 10-kilovolt bare conductor emergency treatment insulating sheath. According to the structure of the installation tool, a clamp comprises a left part and a right part, the upper ends of the two parts are each provided with a positioning iron strip, the lower portion of the left part and the lower portion of the right part overlap, the upper end of a pull rod is located between the lower portion of the left part and the lower portion of the right part, a pin A is arranged at the upper end of the pull rod, a pin D is arranged at the upper end of a supporting block, the lower end of the supporting block is connected with the upper end of a support, the lower end of the support is connected to the upper end of an operating rod in a sleeving mode, a spring is arranged in the middle of the pull rod, the lower portion of the pull rod is located in the support, a groove C is formed in the lower portion of the pull rod, a pin E is arranged in the ...

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Номер записи: 8
27-06-2012 дата публикации

Rare earth oxide doped negative temperature coefficient thermistor material

Номер: CN0101882490B
Автор: ZHAO QING, GUO JIANGAO, CHANG AIMIN, ZHANG HUIMIN, LI FENGXIANG, YAO JINCHENG, QING ZHAO, JIANGAO GUO, AIMIN CHANG, HUIMIN ZHANG, FENGXIANG LI, JINCHENG YAO
Принадлежит:

The invention relates to a rare earth oxide doped negative temperature coefficient thermistor material. The material is prepared by taking the oxides of analytically pure yttrium, lanthanum, chromium and manganese as raw materials, performing mixed grinding by using a solid phase mixing method, calcining and grinding to obtain a negative temperature coefficient thermistor powder material; performing dotted molding on the powder material; preparing a thermosensitive blank by using a platinum wire as an electrode lead; and performing high temperature sintering on the blank so as to obtain the rare earth oxide doped negative temperature coefficient thermistor material. The material is a composite ceramic material formed by a rare earth oxide Y2O3 and La2O3 doped perovskite structure, and is the thermistor material used in an extra-wide temperature region. The thermistor ceramic material prepared by adopting the method has the advantages of stable performance, high consistency, stable ageing ...

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Номер записи: 9
06-06-2023 дата публикации

Bead-shaped thermosensitive resistor for measuring high-altitude environment temperature and preparation method of bead-shaped thermosensitive resistor

Номер: CN116230339A
Автор: YAO JINCHENG, LIU YI, WANG JUNHUA, CHANG AIMIN
Принадлежит:

The invention relates to the technical field of negative temperature coefficient thermistors, in particular to a bead-shaped thermistor for high-altitude environment temperature measurement and a preparation method of the bead-shaped thermistor. The bead-shaped thermal resistor comprises thermal sensitive ceramic microbeads, an insulating coating and a reflecting coating. The diameter of the thermal sensitive ceramic microbeads is 200 to 500 [mu] m; the components of the insulating coating are uniform, and the thickness of the insulating coating can be controlled to be 10-20 microns; the components of the reflective coating are uniform, and the thickness of the reflective coating can be controlled to be 200-500 nm; and the response time of the bead-shaped thermosensitive resistor is 0.2-0.5 s. The bead-shaped thermosensitive resistor prepared by the method has the advantages of small volume, high response speed and capability of reducing solar radiation, and is suitable for temperature ...

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Номер записи: 10
10-12-2014 дата публикации

Internal insulating device for fixed gap overvoltage protector

Номер: CN104201567A
Автор: YANG AIHUA, XUE SHUANG, YANG WENHAO, ZHOU TONGMEI, WU QIANG, LIU BO, YAO JINCHENG, YANG BAOHU
Принадлежит:

The invention discloses an internal insulating device for a fixed gap overvoltage protector and relates to insulation equipment for overvoltage protectors. The internal insulating device is characterized in that an arrester mandrel is formed by connecting an upper electrode, a resistor disc, a middle electrode and an insulator sequentially from top to bottom; the outside of the arrester mandrel is covered with a composite sheath; a discharge ball I is horizontally mounted on the middle electrode; the insulator is mounted on a non-slip support; a discharge ball II coaxial with the discharge ball I is horizontally mounted on the non-slip support; an insert is arranged in the top of the insulator and is bid end up; the upper portion of the insert is cylindrical, and the lower portion of the insert is a polygonal post; the middle of the polygonal post is provided with a circular groove; the upper end of the insert is provided with a counterbore; the inner wall of the counterbore is provided ...

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Номер записи: 11
28-01-2015 дата публикации

10-kilovolt bare conductor emergency treatment insulating sheath

Номер: CN104319039A
Автор: HAN CUNFAN, WANG CHUNNING, TENG DIANXIANG, LI JIAZHENG, ZHENG JIAQING, WANG KUN, YANG AIHUA, YAO JINCHENG, YU YUEAN, YANG WENHAO, JI YONGKUI
Принадлежит:

The invention provides a 10-kilovolt bare conductor emergency treatment insulating sheath. The 10-kilovolt bare conductor emergency treatment insulating sheath is characterized by comprising a compound insulation jacket, symmetric notches and a die cavity, wherein the compound insulation jacket is in an arc shape, the left end and the right end of the compound insulation jacket are each provided with one symmetric notch, the die cavity is located in the compound insulation jacket, an N-pole magnet is installed in the left symmetric notch, and an S-pole magnet is arranged in the right symmetric notch. The 10-kilovolt bare conductor emergency treatment insulating sheath has the advantages that the 10-kilovolt bare conductor emergency treatment insulating sheath is additionally arranged on a 10-kilovolt line across or nearby a pond, so that even if a fishing pole (or a fishing line) makes contact with the power line, the fishing pole (or the fishing line) is prevented from making direct contact ...

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Номер записи: 12