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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 13. Отображено 13.
09-07-2008 дата публикации

Anti-phase suspension preparation method for sodium polyacrylate

Номер: CN0101215349A
Автор: XINMING LI, YINGDE CUI, GUOQIANG YIN, LIEWEN LIAO, CUIRONG ZHANG, ZHENYU JIA, SHUCAI MAO, WENBIN HU, XUNJUN CHEN, LI XINMING, CUI YINGDE, YIN GUOQIANG, LIAO LIEWEN, ZHANG CUIRONG, JIA ZHENYU, MAO SHUCAI, HU WENBIN, CHEN XUNJUN
Принадлежит:

The invention discloses a reversed phase suspending process for preparing food additives namely poly-sodium acrylate, which aims at solving the shortcomings that bulk gelatineous products which are got through a water-solution polymerization process for preparing the existing food-grade poly-sodium acrylate is hard to dry, and the decrease of the product performance which is caused by moisture absorbing of the disintegrating process of the products after drying. The process comprises utilizing the compound of one and a plurality of the natural edible plant oil such as rapeseed oil, arachis oil, maripa oil, sunflower seed oil, soya oil, cotton seed oil, corn oil and the like to be a continuous phase, utilizing the water solution of sodium acrylate which contains initiating agent to be a discontinuous phase, warming up the continuous phase to a certain temperature under the condition of stirring, gradually dripping the discontinuous phase into the continuous phase to have a polymerization ...

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Номер записи: 1
27-06-2023 дата публикации

Preparation of light-cured epoxy resin and application of light-cured epoxy resin in coating field

Номер: CN116333264A
Автор: ZHANG BUNING, WANG SONGWEI, CHEN XUNJUN
Принадлежит:

The invention discloses preparation of light-cured epoxy resin and application of the light-cured epoxy resin in the field of coatings, and provides a preparation method of an epoxy resin composition. The epoxy resin composition has the advantages of being high in molecular weight, low in viscosity and capable of being rapidly cured, the epoxy resin composition prepared through the method can be applied to the fields of light-cured printing ink, coating and the like which have high requirements for the curing speed, the toughness, glossiness and fullness of a coating film can be remarkably improved, cost is reduced, performance is improved, and the epoxy resin composition is suitable for large-scale popularization and application. And the method has very high practical performance and application value.

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Номер записи: 2
09-09-2009 дата публикации

Method for in situ synthesis of nanometer ultramicropore molecular sieve containing spherical and cylindrical high-performance unanometer ultramicropore

Номер: CN0101525139A
Автор: HU WENBIN, CUI YINGDE, YIN GUOQIANG, LIAO LIEWEN, CHEN XUNJUN, JIA ZHENYU, LI XINMING, WENBIN HU, YINGDE CUI, GUOQIANG YIN, LIEWEN LIAO, XUNJUN CHEN, ZHENYU JIA, XINMING LI
Принадлежит:

The invention discloses a green method for directly preparing nanometer ultramicropore molecular sieve and a token method thereof, belonging to the technical field of inorganic chemistry synthesis and organic silicone chemistry. In the synthesis method, long-chain amines or medium-chain amines are used as templates (TP), 3-mercaptopropyltrimethoxysilane and trimethyl (trifluoromethyl) silane are used as co-templates, tetraethyl orthosilicate (TEOS) is used as a silicon source and water-acetonitrile is used as a solvent. At normal temperature, the ultramicropore molecular sieve is synthesized directly, and more than 99 percent templates and acetonitriles are recycled by rotary vacuum separation. With the advantages of simple preparation process and no need of high-temperature calcination, the method synthesizes the nanometer ultramicropore molecular sieve with high specific area, high thermal stability and spherical and cylindrical novel appearance, wherein the aperture of the synthesized ...

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Номер записи: 3
09-07-2008 дата публикации

Method for preparing calcium salt by using shell as raw material

Номер: CN0101215231A
Автор: LI XINMING, CUI YINGDE, YIN GUOQIANG, ZHANG CUIRONG, LIAO LIEWEN, JIA ZHENYU, MAO SHUCAI, HU WENBIN, CHEN XUNJUN, XINMING LI, YINGDE CUI, GUOQIANG YIN, CUIRONG ZHANG, LIEWEN LIAO, ZHENYU JIA, SHUCAI MAO, WENBIN HU, XUNJUN CHEN
Принадлежит:

The invention belongs to multipurpose use of natural waste and the technical field of chemical production. The invention discloses a method for producing calcium salt by using wasted shell discarded from fishery product processing. The method comprises that the wasted shell of fishery product processing is directly reacted with acid at normal temperature after being cleaned, air-dried and pulverized, and the calcium salt is obtained through the steps of filtering, activated carbon adsorption, concentration, crystallizing and the like. To accelerate reaction speed and to cause complete reaction and improve percent conversion of relatively high-priced acid, ultrasonic radiation reaction system is used at the same time with that of reaction. Compared with the prior art, the invention does not need to calcine the shell at high-temperature, which is helpful to decrease energy consumption and production cost. The ultrasonic radiation reaction system can accelerate the reaction speed and improve ...

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Номер записи: 4
06-01-2010 дата публикации

Nanometer ultra micro-pore molecular sieve directly synthesized with green method and the application thereof

Номер: CN0101618878A
Автор: HU WENBIN, CUI YINGDE, YIN GUOQIANG, LIAO LIEWEN, CHEN XUNJUN, JIA ZHENYU, LI XINMING, WENBIN HU, YINGDE CUI, GUOQIANG YIN, LIEWEN LIAO, XUNJUN CHEN, ZHENYU JIA, XINMING LI
Принадлежит:

The invention belongs to the technical field of inorganic chemical synthesis and the technical field of organosilicon chemistry, and discloses a nanometer ultra micro-pore molecular sieve directly synthesized with a green method and a method for organosilicon hydrosilylation; the synthesis method provided by the invention takes long chain amine as template agents (TP), takes tetraethoxysilane (TEOS) as a silicon source, takes water-ethanol as solvent, more than 99 percent of the template agents and more than 99 percent of ethanol are separated and recycled by rotary vacuum, and the ultra micro-pore molecular sieve is directly synthesized at the normal temperature. The method has simple preparation process without high-temperature calcinations, the prepared molecular sieve has high specific surface area, the bore diameter is within 1-2nm of ultra micro-pore range, and the grain diameter is small. Complexing chloroplatinic acid of the molecular sieve is a high-efficiency hydrosilylation catalyst ...

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Номер записи: 5
16-09-2009 дата публикации

Method for preparing monomer containing arylene silane

Номер: CN0101531673A
Автор: CHEN XUNJUN, CUI YINGDE, HU WENBIN, YIN GUOQIANG, WU GUOJIE, LIAO LIEWEN, JIA ZHENYU, FENG GUANGZHU, LI XINMING, XUNJUN CHEN, YINGDE CUI, WENBIN HU, GUOQIANG YIN, GUOJIE WU, LIEWEN LIAO, ZHENYU JIA, GUANGZHU FENG, XINMING LI
Принадлежит:

The invention discloses a method for preparing an organic silicon monomer, in particular a method for preparing a monomer containing arylene silane. The method comprises: preparing a Grignard reagent by the reaction of halogenated aryl hydrocarbon and magnesium powder under ultrasonic irradiation, then preparing the silane monomer containing arylene by the reaction with halogenated silane, and achieving the method in different stages by controlling different reaction time and temperatures. The method has the advantages of greatly improving the reaction speed, shortening the reaction time and improving production rate.

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Номер записи: 6
04-04-2023 дата публикации

DVR mode self-switching voltage sag optimization control method based on PQR conversion

Номер: CN115912370A
Автор: CHEN XUNJUN, GENG GUANGCHAO, JIANG QUANYUAN
Принадлежит:

The invention discloses a DVR mode self-switching voltage sag optimization control method based on PQR conversion. The invention provides a DVR mode self-switching voltage sag optimization control method based on PQR conversion under a PQR coordinate system by taking a dynamic voltage restorer (DVR) as a research object and based on whether a phase-locked loop locks a power grid phase angle or not under a DVR complete compensation strategy and an in-phase compensation strategy. The method has the advantages that in the power grid fault period, according to the power grid voltage fault level and the load phase angle sensitivity, the system phase-locked loop is controlled to make contact with and track the load phase angle, then the power grid phase angle is tracked, automatic smooth switching between a DVR complete compensation strategy and an in-phase compensation strategy is achieved, and the compensation voltage is effectively reduced.

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Номер записи: 7
30-05-2023 дата публикации

Polyisoimide as well as preparation method and application thereof

Номер: CN116178716A
Автор: CHEN XUNJUN, WU YIHONG, XU LIUJING, ZHANG ZUHUA, ZHANG BIN, CHEN XINZHUN, RUAN YUNQING
Принадлежит:

The invention discloses polyisoimide and a preparation method and application thereof.The structural formula of the polyisoimide is shown in the formula I, the dissolved solid content of the polyisoimide in a polar high-boiling-point solvent is higher than 60%, negative photosensitive polyimide compositions with different viscosities can be prepared according to different solid contents, the coating thickness range of the polyisoimide after spin coating ranges from 0.5 m to 100 m, and the thickness range of the polyisoimide after spin coating ranges from 0.5 m to 100 m. After the coating is developed and thermally cured, a negative pattern with the depth-to-width ratio larger than 2.5 and the minimum line width of 10-20 m can be realized, and the film retention rate is higher than 85%.

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Номер записи: 8
22-08-2023 дата публикации

Mini LED screen packaging adhesive film, preparation method and packaging method

Номер: CN116622320A
Автор: LAI RUIHAO, ZHANG ZUHUA, CHEN XUNJUN, XUAN JING, GUO QINGBING, LONG MENGXIA, TAN LEWEN, WU YIHONG, ZHU KAIDONG, ZHENG HUAGUI, DENG XIAONING
Принадлежит:

According to the Mini LED screen packaging adhesive film, the preparation method and the packaging method provided by the invention, the Mini LED screen packaging adhesive film comprises epoxy resin, UV resin, silica powder, a reactive diluent, solvent-free carbon black color paste and fumed silica, a light-heat dual-solid system with good compatibility is adopted, and different macromolecular chains are subjected to segmented curing, crosslinking and winding under the light-heat dual-solid system; the flexible UV component and the rigid epoxy component are matched to facilitate release of curing internal stress, so that the curing warping degree is reduced, fused silica powder with different particle sizes and refractive indexes is used for compounding, the warping rate, the light transmittance, the haze and the thermal conductivity are optimized through the dense degree of powder stacking, and the curing effect is improved. According to the preparation method, the semi-cured film is prepared ...

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Номер записи: 9
09-07-2008 дата публикации

Hydrogel-hydrogel composite material and preparation thereof and use of medicament sustained-release matrix

Номер: CN0101214217A
Автор: LI XINMING, CUI YINGDE, YIN GUOQIANG, ZHANG CUIRONG, JIA ZHENYU, MAO SHUCAI, LIAO LIEWEN, HU WENBIN, CHEN XUNJUN, LU HONG, XINMING LI, YINGDE CUI, GUOQIANG YIN, CUIRONG ZHANG, ZHENYU JIA, SHUCAI MAO, LIEWEN LIAO, WENBIN HU, XUNJUN CHEN, HONG LU
Принадлежит:

The present invention belongs to the macromolecular technical field and belongs to the technical field of medical slow-release preparation type. The present invention discloses hydrogel-hydrogel composite material, a preparation method thereof and a purpose of medical slow-release matrix. The hydrogel-hydrogel composite material consists of (a) dispersed phase hydrogel particles and (b) continuous phase hydrogel which covers the dispersed phase hydrogel particles completely. The preparation method comprises that (1) the hydrogel particles are dissolved to be swollen by thinner, and (2) the monomer of the dispersed phase hydrogel particles which contain initiator and crosslinking agent and are dissolved to be swollen by the thinner is processed for the aggregation reaction and then is washed completely by solvent to remove the thinner, and then the hydrogel-hydrogel composite material is obtained by a dissolving and swelling step. The hydrogel-hydrogel composite material can be applied to ...

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Номер записи: 10
06-01-2010 дата публикации

New process for preparing high-purity carbon dioxide by sludge incineration

Номер: CN0101618872A
Автор: YINGDE CUI, WENBIN HU, GUOJIE WU, XUNJUN CHEN, GUOQIANG YIN, LIEWEN LIAO, ZHENYU JIA, GUANGZHU FENG, XINMING LI, CUI YINGDE, HU WENBIN, WU GUOJIE, CHEN XUNJUN, YIN GUOQIANG, LIAO LIEWEN, JIA ZHENYU, FENG GUANGZHU, LI XINMING
Принадлежит:

The invention belongs to the technical field of environmental science and discloses a new process for preparing high-purity carbon dioxide by sludge incineration and a comprehensive-utilization processing method thereof. A pure oxygen sludge incineration device developed by the invention leads sludge to be incinerated in the self-developed pure oxygen sludge incineration device by adopting pure oxygen, so as to lead the concentration of carbon dioxide in flue gas to reach more than 90 percent and be convenient for recycling. The recycled carbon dioxide is separated and purified, and the product is in accordance with the requirements of commercial liquid carbon dioxide standard and can be used for welding, plant air fertilizer, oil extraction, fire-fighting extinguishment, oil removal and derusting, chemical raw materials and the like. The residual after being incinerated can be used for preparing bricks and the comprehensive utilization thereof. The process can lead the sludge to be reduced ...

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Номер записи: 11
08-10-2014 дата публикации

Preparation method of low-water-absorptivity phenyl hydrogen-containing silicon resin

Номер: CN104086771A
Автор: ZHANG WENBIN, CHEN XUNJUN, ZHENG HUAGUI, NIE XIAOLI
Принадлежит:

The invention discloses a preparation method of a low-water-absorptivity phenyl hydrogen-containing silicon resin, which is characterized by comprising the following steps: (1) mixing for reaction; (2) hydrolysis; (3) polycondensation; (4) removal; and (5) preservation. Compared with the prior art, by using phenyl alkoxy silane monomer as the raw material and a cationic resin as a catalyst to prepare the phenyl hydrogen-containing silicon resin by hydrolytic polycondensation, the technique has the advantages of high production efficiency, less wastewater, low hydroxy content and low water absorptivity. The LED (light-emitting diode) packaging adhesive prepared by using the phenyl hydrogen-containing silicon resin as the crosslinking agent has the advantages of cold/heat shock resistance, no blasting by ultrahigh-temperature reflux welding and long service life.

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Номер записи: 12
28-10-2009 дата публикации

In situ synthesis ultramicropore load platinum catalyst and solvent-free microwave hydrosilylation

Номер: CN0101564687A
Автор: HU WENBIN, CUI YINGDE, YIN GUOQIANG, LIAO LIEWEN, CHEN XUNJUN, JIA ZHENYU, LI XINMING, FENG GUANGZHU, WU GUOJIE, WENBIN HU, YINGDE CUI, GUOQIANG YIN, LIEWEN LIAO, XUNJUN CHEN, ZHENYU JIA, XINMING LI, GUANGZHU FENG, GUOJIE WU
Принадлежит:

The invention belongs to the technical fields of inorganic chemical synthesis and organic silicone chemistry, and discloses a novel platinum-contained nanometer ultramicropore micelle template silicon dioxide catalyst (MTS-Pt) prepared directly in situ by an environmentally-friendly method, and a method using the same in organosilicon hydrosilylation. A synthesis method provided by the invention prepares the MTS-Pt catalyst at normal temperature by using long-chain amine as a template (TP), ethyl orthosilicate (TEOS) as a silicon source and water-acetonitrile as a solvent and recovering over 99 percent of the template and over 99 percent of the acetonitrile through rotary vacuum separation. The nanometer ultramicropore micelle template silicon dioxide platinum catalyst (MTS-Pt) synthesized by the system has high specific surface area and narrow pore-size distribution and is easy to scour off and recover the template. The catalyst is characterized by adopting liquid nitrogen adsorption and ...

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Номер записи: 13