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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.
07-10-2009 дата публикации

Benzoxazine colophony based on renewable resources, its composition and preparing method thereof

Номер: CN0101550235A
Автор: XU RIWEI, LI DUO, ZHANG PENGLI, ZHAO HAICHUAN, WU YIXIAN, YU DINGSHENG, RIWEI XU, DUO LI, PENGLI ZHANG, HAICHUAN ZHAO, YIXIAN WU, DINGSHENG YU
Принадлежит:

The invention relates to a kind of benzoxazine colophony whose materials come from renewable resources, its composition and preparing method. This kind of benzoxazine colophony is prepared with phenols stemmed from the renewable resources, such as eugenol, guaiacol and cardanol, and diamine stemmed from the renewable resources such as decamethylene diamine, and cavaform or triformol or formaldehyde liquid. The relevant composition is prepared with this kind of benzoxazine colophony and other heat-convertibleresin. The benzoxazine and its composition can be used in many fields such as coatings, thermosetting plastics, matrix colophony of composite materials and so on.

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Номер записи: 1
19-03-2014 дата публикации

High-energy laser homogenizing cavity attenuator

Номер: CN103644967A
Автор: WU YONG, YANG PENGLING, ZHAO HAICHUAN, CHEN SHAOWU, WANG ZHENBAO, YAN YAN, FENG GUOBIN
Принадлежит:

The invention discloses a high-energy laser homogenizing cavity attenuator which comprises a front panel, a small-hole sample plate, an attenuation plate, an output panel and a plurality of scattering attenuation units. Each attenuation unit includes a large-angle sampling taper hole arranged on the small-hole sample plate, a homogenizing cavity and a light transmission channel which are arranged on the attenuation plate, and a homogenizing cavity and a laser output hole which are arranged on the output panel, wherein the light transmission channel is of a circular symmetric structure, which enables the angle characteristic of the attenuator to have circular symmetry. The attenuator has a multi-layer plate structure, which can effectively reduce the influence of high temperature generated due to long-time irradiation of high-energy laser on the front panel to a subsequent measurement unit. According to the attenuator of the invention, laser is output from the output hole after being homogenized ...

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Номер записи: 2
03-09-2014 дата публикации

Attenuation sampling device used for large-angle high-energy laser incidence

Номер: CN104019891A
Автор: ZHAO HAICHUAN, YANG PENGLING, WU YONG, CHEN SHAOWU, WANG ZHENBAO, YAN YAN, ZHANG LEI, TAO MENGMENG, WU JUNJIE, FENG GUOBIN
Принадлежит:

The invention discloses an attenuation sampling device used for large-angle high-energy laser incidence. The device comprises a front panel, an attenuation unit and a rear panel, wherein a straight laser incidence sampling hole is formed in the front panel, a laser exiting hole is formed in the rear panel, the attenuation unit comprises a front transmission window, a rear transmission window and a cylindrical cavity, the cylindrical cavity is arranged coaxial with the straight sampling hole and the laser exiting hole, and the cylindrical cavity is filled with granular optical volume scattering materials. After being coupled into the attenuation unit through the sampling hole, absorbed through inner walls and the materials, and subjected to volume scattering, lasers are emitted out through the laser exiting hole, laser beam energy can be redistributed in a space within a wide range, and the homogenization effect is achieved; meanwhile, large-angle attenuation sampling can be achieved in ...

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Номер записи: 3
18-08-2023 дата публикации

Low-density impact-resistant two-component epoxy resin adhesive

Номер: CN116606620A
Автор: WU JIANHUA, HUANG HAIJIANG, ZHAO HAICHUAN, ZHENG MIAOSHENG
Принадлежит:

The invention relates to a low-density impact-resistant two-component epoxy resin adhesive which comprises a component A and a component B. The component A is prepared from, by weight, 38%-45% of main epoxy resin, 3%-4% of reactive diluent, 10%-20% of modified epoxy resin, 25%-30% of flame-retardant filler and 12%-15% of hollow glass beads. 0.8%-1.0% of other auxiliary agents 1; the component B is prepared from the following raw materials in percentage by weight: 67%-70.5% of an amine curing agent, 20%-25% of a flame-retardant filler, 9.5%-12.5% of hollow glass beads and 0.1%-0.5% of other auxiliaries. Wherein the modified epoxy resin has a polybutadiene segment covalently bonded via a urethane, and has an epoxy equivalent weight of 500 to 600 g/eq.

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Номер записи: 4
05-03-2014 дата публикации

Lubricant for wind power bolt with high torque coefficient

Номер: CN103614189A
Автор: WEI ZHENYU, HUANG HAIJIANG, ZHAO HAICHUAN
Принадлежит:

The invention is a lubricant for a wind power bolt with high torque coefficient. The lubricant comprises 43 parts of a solid material component and 57 parts of a liquid material component, according to the total weight of 100 parts. The solid material comprises 3.5-4.5 parts of a flake aluminum powder with fineness of 325 mesh, 31-33 parts of heavy calcium carbonate with average particle size of 1-1.8 mum, 20-22 parts of active nano calcium carbonate, 0.2-0.5 part of fumed silica, 40-42.5 parts of liquid naphthenic oil and 0.5-3 parts of polyisobutylene. The lubricant for high torque coefficient provided by the invention can realize high and stable torque coefficient of wind power bolt with large size and high strength and play a role of preventing loosening, and is convenient for painting at low temperature of -15 DEG C; besides, the lubricant can play a certain role of corrosion prevention and protection on the bolt.

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Номер записи: 5
25-02-2015 дата публикации

Wind power bolt lubricant resistant to extreme pressure and water shower and convenient for low-temperature brushing

Номер: CN104371810A
Автор: WEI ZHENYU, HUANG HAIJIANG, ZHAO HAICHUAN, ZHAI HAICHAO
Принадлежит:

The invention discloses a wind power bolt lubricant resistant to extreme pressure and water shower and convenient for low-temperature brushing. The wind power bolt lubricant is composed of, by weight, 8-20 parts of paraffin oil, 40-70 parts of naphthenic oil, 0.5-2 parts of castor oil, 5-35 parts of graphite, 20-40 parts of molybdenum disulfide, 0.5-6 parts of lubricating synergy additive, 0.5-2 parts of calcium oxide and 5-10 parts of organic bentonite. The wind power bolt lubricant is high in extreme pressure resistance and stable in torque coefficient; a large-size and high-strength wind power bolt is enabled to have low and stable torque coefficient through the wind power bolt lubricant, so that the large-size and high-strength wind power bolt is free of seizing and crawling in the process of assembly; the wind power bolt lubricant can be brushed conveniently even at low temperature of minus 15 DEG C, has good anti-water-shower effect and plays certain role in corrosion prevention and ...

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Номер записи: 6
12-03-2014 дата публикации

Self-calibration device and method for emission rate coefficient of multi-spectrum radiation temperature measuring system

Номер: CN103630249A
Автор: CHEN SHAOWU, ZHANG LEI, TAO MENGMENG, LIU FUHUA, WU YONG, FENG GANG, ZHAO HAICHUAN
Принадлежит:

The invention discloses a self-calibration device and method for an emission rate coefficient of a multi-spectrum radiation temperature measuring system. The device comprises a wide spectrum optical source as well as an incidence collimating lens group and an outgoing collimating lens group which are arranged at the outgoing optical path of the wide spectrum optical source in sequence; a flame to be measured is arranged between the incidence collimating lens group and outgoing collimating lens group. The emission rate coefficient self-calibration system is arranged on the same path, penetrating through the measured flame, of the multi-spectrum radiation temperature measuring system, the emission rate coefficients of the flame under different wavelengths are obtained by recording the spectrum parameters of the wide spectrum optical source, the flame and the combination of the wind spectrum optical source and the flame, and the self-calibration device is used for the parameter calibrating ...

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Номер записи: 7
21-01-2015 дата публикации

MOPA structure fiber laser device capable of restraining SBS effect

Номер: CN104300345A
Автор: ZHAO HAICHUAN, YE XISHENG, TAO MENGMENG, WANG ZHENBAO, CHEN SHAOWU, ZHU YONGXIANG, YAN YAN, WU YONG, WANG PING, FENG GANG, YANG PENGLING, FENG GUOBIN
Принадлежит:

The invention discloses a device for restraining the SBS effect in the amplification stage of an MOPA structure high-power narrow-linewidth fiber laser device. The device comprises pumping sources, coupling devices and a gain fiber, wherein the pumping sources are coupled into the gain fiber through the coupling devices at different positions of the gain fiber, and then spatial multipoint pumping is realized. The change of the number and spatial distribution of the pumping sources can affect the spatial distribution of the number of inverted population in gain media so as to affect the process of amplification of amplifier signal light and SBS scattered light, through reasonable design of the position and power of a pumping point, amplification of SBS scattered light can be weakened on the premise that the power of an amplifier is guaranteed, the SBS effect of the amplifier can be effectively restrained, and the output power of the narrow-linewidth fiber laser device can be improved.

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Номер записи: 8