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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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Применить Всего найдено 6. Отображено 6.
01-08-2023 дата публикации

Iron-selenium complex containing PNP diphosphine ligand as well as synthesis method and application of iron-selenium complex

Номер: CN116514876A
Автор: LI QIANLI, LYU SHUANG, BAI SHUFEN, GAO XINPING, WANG YANLAN
Принадлежит:

The invention discloses an iron-selenium complex containing a PNP diphosphine ligand as well as a synthesis method and application of the iron-selenium complex, and belongs to the fields of iron-iron hydrogenase biomimetic chemistry and new energy materials. The molecular structural formula of the iron-selenium complex is shown in a figure 11, and in the formula, R is any one of aryl and alkyl. The synthesized iron-selenium complex containing the PNP diphosphine ligand is a new compound, the electron and space effects of the prepared complex can be conveniently and rapidly adjusted through the types of substituent groups, and then the catalytic hydrogen production performance of the prepared complex can be purposefully adjusted from the function. The synthesis method disclosed by the invention is simple, short in reaction time, easy to separate and moderate in yield, and can be suitable for synthesizing various iron-selenium complexes containing PNP diphosphine ligands.

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Номер записи: 1
01-05-2018 дата публикации

Device for disassembling bearing of motor

Номер: CN0207289989U
Автор: LIU JINGHUI, CHEN MINGZHI, JIA MENG, GAO XINPING, FU JIECHANG
Принадлежит: TANGSHAN GUOFENG SECOND COLD ROLLING GALVANIZING TECH CO LTD, TANGSHAN GUOFENG SECOND COLD ROLLING GALVANIZING TECHNOLOGY CO., LTD.

The utility model discloses a device for disassembling bearing of motor, the utility model has the advantages of reasonable structure simply, low in production cost, simple to operate, multiple functional, this device stroke can be adjusted, can be according to the height of motor, the length of motor rotor, the diameter, corresponding regulation is made to the size of rotor bearing, finds the optimum location, takes off impaired bearing, has avoided the violence dismouting, drops to the motor damaged condition minimum, this instrument practicality is used the degree height and is concentrated, has consequently also practiced thrift the manpower, is convenient for take care of, has improved work efficiency.

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Номер записи: 2
09-06-2023 дата публикации

Lossless coupling device for replacing steel rail or turnout of heavy haul railway

Номер: CN116240756A
Автор: ZHU XINGYONG, LIU QUANREN, ZHANG GUOQIANG, AN ZIJUN, LI QIANG, JIANG JINZHOU, FAN YOUGANG, LI YEFENG, SUN GAOWEI, GAO XINPING, GUO ZIXING, YANG DEZHI, JIN HONGRUI, HE YANZHUO, XU JIANHONG, ZHAO XUEFENG, LI YUANJUN, LI GUANGYAO, GONG LIHU, FAN WEI, ZHENG XING, ZHANG LIZHONG, WANG MIN, CHENG SHAOFENG, YANG XIAOJING, ZHANG MENG
Принадлежит:

The invention discloses a lossless connecting device for replacing a steel rail or a turnout of a heavy haul railway, and belongs to the technical field of rail maintenance. Comprising a top connection clamping plate, a locking clamping plate, a clamp and a track circuit connecting device. The middle parts of the outer side surfaces of the top connection clamping plate and the locking clamping plate are of variable cross-section structures, and the variable cross-section structures are I-shaped structures protruding out of the outer side surfaces of the top connection clamping plate and the locking clamping plate; the end face of the top connection clamping plate and the end face of the locking clamping plate are each provided with a connecting hole used for being connected with a track circuit connecting line. According to the connecting device, the connecting performance of the heavy-load seamless track steel rail and the turnout is improved, and the operation safety and electrification ...

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Номер записи: 3
23-06-2023 дата публикации

Coated glass with protective layer and preparation method thereof

Номер: CN116282963A
Автор: ZHANG FANG, GAO XINPING, PENG LIQUN, SONG YU, ZHANG YUAN
Принадлежит:

The invention provides coated glass with a protective layer and a preparation method of the coated glass, and belongs to the technical field of deep processing of glass. The coated glass with the protective layer comprises a glass substrate layer, a coating layer and the protective layer, and the coating layer is located between the glass substrate layer and the protective layer; the coating layer is sequentially compounded with five film layers from the glass substrate layer to the outside, the first layer is a first dielectric layer, and the coating thickness is 20-50 nanometers; the second layer is a first barrier layer, and the coating thickness is 25-45 nanometers; the third layer is a low-radiation functional layer, and the coating thickness is 5-10 nanometers; and the fourth layer is a second barrier layer, and the coating thickness is 3-16 nanometers. The fifth layer is a second dielectric layer, and the coating thickness is 18-30 nanometers; and the thickness of the protective ...

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Номер записи: 4
07-04-2023 дата публикации

Shale gas layer high-temperature and high-pressure fracturing method based on geothermal energy

Номер: CN115929273A
Автор: KANG YILI, LI PEISONG, CHEN MINGJUN, YOU LIJUN, CAO WANGKUN, HOU TENGFEI, GAO XINPING, LIU JIANG, ZOU YEYU, YAN MAOLING
Принадлежит:

The invention relates to a shale gas layer high-temperature and high-pressure fracturing method based on geothermal energy, which mainly comprises the following steps that (1) a double-branch horizontal well is drilled, target layers are respectively a deep geothermal layer and a shale gas layer, and packers are arranged on a straight well section and two branch well sections; (2) hydraulic fracturing is carried out on the shale gas layer well section, and a hydraulic fracture network is formed; (3) a heat energy transmission medium is pumped into the deep geothermal layer well section; (4) increasing the temperature and pressure of a heat energy transmission medium by using geothermal energy; (5) the heat energy transmission medium reaching the set temperature and pressure is conveyed to a shale gas layer; and (6) the heat energy transmission medium impacts the shale gas layer at high temperature and high pressure, shale cracks are induced to be generated and expanded, the detained fracturing ...

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Номер записи: 5
27-06-2023 дата публикации

Method for optimizing parameter combination of temporary plugging agent

Номер: CN116341175A
Автор: HAN HUIFEN, ZHANG HUALI, PENG JUNLIANG, ZENG FANHUI, WANG LIANG, GAO XINPING, PENG HUAN
Принадлежит:

The invention discloses a method for optimizing a temporary plugging agent parameter combination, relates to the technical field of optimization of temporary plugging agent parameters, and is used for solving the problems of low plugging capacity and poor plugging effect of a temporary plugging material on crack plugging in the prior art. Constructing a temporary plugging agent plugging permeability model; constructing a temporary plugging agent plugging strength model: constructing a temporary plugging agent plugging shear strength model, constructing a temporary plugging agent plugging mechanical model and constructing a closed stress equivalent resistance model; a temporary plugging agent plugging strength model is built through the temporary plugging agent plugging shear strength model, the temporary plugging agent plugging mechanical model and the built closed stress equivalent resistance model; and constructing a temporary plugging agent particle size distribution optimization model ...

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Номер записи: 6