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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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Форма поиска

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.
21-01-2015 дата публикации

Preparation method of bisphenol P

Номер: CN104292077A
Автор: JI JIANMING, LI DONG, QIAN CHEN, ZHU FENGLIN, JI XIONGRONG
Принадлежит:

The invention relates to a preparation method of phenol P. The preparation method comprises the following steps: (a) sequentially putting phenol, methyl butanone and a compound catalyst into a reaction container, uniformly mixing and carrying out reaction for 8-15 hours at 30-40 DEG C, then raising temperature to 60-70 DEG C and filtering when the mixture is hot to obtain a filtrate and filter residues; (b) evaporating the filtrate under the condition of 200-700Pa and 75-90 DEG C to remove phenol so as to obtain a coarse product; and (c) dissolving the coarse product in an alcohol solvent to crystallize, wherein the mass ratio of the phenol to the methyl butanone to compound catalyst is (18-25) to (8-10) to 1. According to the preparation method of the phenol P, which is provided by the invention, on the one hand, the phenol and the methyl butanone are catalyzed by using the compound catalyst, and after reaction, no alkali liquor is required to neutralize and the catalyst can be repeatedly ...

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Номер записи: 1
09-09-2009 дата публикации

1000kV extra-high-voltage alternating current electrostatic protective clothing and manufacturing method thereof

Номер: CN0101524188A
Автор: HUI YI, GUIWEI SHAO, LIHUA ZHANG, JIANMING JI, JIANZHONG DU, YI HUI, SHAO GUIWEI, ZHANG LIHUA, JI JIANMING, DU JIANZHONG
Принадлежит:

The invention relates to a 1000kV extra-high-voltage alternating current electrostatic protective clothing and a manufacturing method thereof. The clothing fabric is weaved into cloth by blended spinning of stainless steel fiber and textile fiber; wherein the stainless steel accounts for 10 percent to 30 percent and the ratio of polyester fiber and cotton fiber in the textile fiber is 1.86 : 1; the clothing spinning process comprises the following steps: a drawing and blending method is used for carrying out blended spinning to the stainless steel fiber and spinning fiber; the fabric texture selects 2<1> twill, and dyes by using dying process with a pad fix machine; and after being dyed, the cloth adopts fluoride finishing agent matched with advanced finishing process to carry out water proof processing to the cloth. The technical index basis of the manufacture is as follows: shielding efficiency of clothing is larger than 33dB, the resistance value of the clothing is smaller than 300 Omega ...

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Номер записи: 2
20-03-2018 дата публикации

A communication circuit for conference table tablet

Номер: CN0207124626U
Автор: LIU CHUNLI, WU YANJUN, WANG XIANCHAO, WEI JIANYING, LI YAN, WEI HAINING, HAN LING, JIA WEIHUA, FAN QING, JI JIANMING
Принадлежит: SHANXI BAIDE TECH DEVELOPMENT CO LTD, SHANXI BAIDE TECHNOLOGY DEVELOPMENT CO., LTD.

The utility model relates to a communication circuit for conference table tablet belongs to the technical field of conference table tablet, the problem of the technique is solved for: the utility model provides a a communication circuit for conference table tablet who has multiple communication mode, the technical scheme who adopts does: the communication circuit includes: bluetooth communicationcircuit and USB interface circuit, bluetooth communication circuit include chip U39 and bluetooth switch circuit, and chip U39's power end VCC1 passes through the bluetooth switch circuit and links toeach other with power supply circuit's 3.3V power output end, the bluetooth circuit power supply on -off control end 3.3V_B_EN of controller respectively, USB interface circuit includes USB supply circuit and USB interface drive circuit, and USB supply circuit's power input end links to each other with power supply circuit's 5V power output end VBAT, and USB supply circuit's power output end links to ...

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Номер записи: 3
10-11-2010 дата публикации

1000kV extra-high voltage AC non-contact type electricity checking method and apparatus

Номер: CN0101487858B
Автор: LIHUA ZHANG, HUI YI, JIANZHONG DU, GUIWEI SHAO, JIANMING JI, ZHANG LIHUA, YI HUI, DU JIANZHONG, SHAO GUIWEI, JI JIANMING
Принадлежит:

The invention provides a 1000kV ultrahigh voltage alternating current non-contact-type electroscopy and an electroscope thereof, the hardware part of the electroscope consists of a signal acquisition module, a signal amplification module, a signal processing module, an analog-to-digital conversion and data processing module and an alarm module, the software part thereof is divided into five stages comprising self-check, pre-check, checkup, comparison and alarm; after the self-check is passed and time delay of 3 seconds elapses, a value, which is obtained by performing a data acquisition in 10KHz frequency on the electric field intensity of the working location, is regarded as a reference value for the electroscopy, the inventive reference value is an electric field value of the on-site working location, which effectively enhances the use range and accuracy of the electroscope; the invention implements the electroscopy in terms of field intensity curves of space electric fields and gives ...

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Номер записи: 4
21-01-2015 дата публикации

Preparation method of bisphenol B

Номер: CN104292078A
Автор: JI JIANMING, LI DONG, QIAN CHEN, ZHU FENGLIN, JI XIONGRONG
Принадлежит:

The invention relates to a preparation method of bisphenol B. The preparation method of bisphenol B sequentially comprises the following steps: (a) sequentially putting phenol, butanone and a composite catalyst in a reaction vessel, uniformly mixing, reacting for 8-15 hours at the temperature of 30-40 DEG C, then warming to 55-65 DEG C, and filtering while hot to obtain filtrate and filter residue; (b) evaporating the filtrate at the pressure of 200-700Pa and the temperature of 75-90 DEG C for removing phenol to obtain a crude product; and (c) dissolving the crude product in an alcohol solvent, and crystallizing, so that the bisphenol B is obtained. The preparation method of the bisphenol B has the advantages that on one hand, the composite catalyst is used for catalyzing phenol and butanone, no alkaline liquor is used for neutralization after reaction is finished, the catalyst can be recycled, and cost is reduced; on the other hand, phenol is removed through evaporation directly and then ...

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Номер записи: 5
19-05-2010 дата публикации

Extra-high voltage direct current non-contact multi-channel electricity checking method

Номер: CN0101710151A
Автор: JIANZHONG DU, JIANMING JI, GUIWEI SHAO, HUI YI, LIHUA ZHANG, DU JIANZHONG, JI JIANMING, SHAO GUIWEI, YI HUI, ZHANG LIHUA
Принадлежит:

The invention provides an extra-high voltage direct current non-contact multi-channel electricity checking method comprising five steps of self-checking, prechecking, multi-channel detection, comparison and alarming; data acquisition of a horizontal channel and a vertical channel is carried out according to a certain frequency through time delay after the self-checking passes; the electric field intensity values of the work positions acquired in the two channels are compared, and the larger value serves as a reference value of electricity checking; the electricity checking is performed according to the field intensity curve and variation trend of the space electric field; the size of the electric field is reflected by acoustic signals and optical signals of alarming, thus effectively eliminating the interference of adjacent electrified equipment, solving the difficulties that the electricity checking has poor repetitiveness and low accuracy due to the interference of the electrified body ...

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Номер записи: 6
21-01-2015 дата публикации

Preparation method of bisphenol TMC

Номер: CN104292079A
Автор: JI JIANMING, LI DONG, QIAN CHEN, ZHU FENGLIN, JI XIONGRONG
Принадлежит:

The invention relates to a preparation method of bisphenol TMC. The preparation method of the bisphenol TMC comprises the following steps: (a) sequentially putting phenol, 3,3,5-trimethyl cyclohexanone and a composite catalyst into a reaction vessel, uniformly mixing, reacting for 8-15 hours at the temperature of 30-40 DEG C, then warming to 55-65 DEG C, and filtering while hot to obtain filtrate and filter residue; (b) evaporating the filtrate at the pressure of 200-700Pa and the temperature of 75-90 DEG C for removing phenol, so as to obtain a crude product; and (c) dissolving the crude product in an alcohol solvent and crystallizing, wherein the composite catalyst is formed by compounding a main catalyst and a secondary catalyst, mass ratio of the main catalyst to the secondary catalyst is 7:3, the main catalyst comprises ferric chloride, copper chloride and aluminium trioxide, and the secondary catalyst is macrorecticular styrene strongly acidic cation resin. The preparation method ...

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Номер записи: 7
14-01-2015 дата публикации

Preparation method of 4,6-bi[1-(4-hydroxypheny)-1-methyl ethyl]-1,3-hydroquinone

Номер: CN104276928A
Автор: JI JIANMING, LI DONG, QIAN CHEN, ZHU FENGLIN, JI XIONGRONG
Принадлежит:

The invention relates to a preparation method of 4,6-bi[1-(4-hydroxypheny)-1-methyl ethyl]-1,3-hydroquinone. The method sequentially comprises the following steps: (a) sequentially feeding isopropenyl phenol, resorcinol, and a composite catalyst to a reaction container, evenly mixing, reacting at 30-50 DEG C for 5-8 hours, heating up to 50-70 DEG C and filtering when the mixture is hot, so as to obtain filtrate and filter residues; (b) evaporating the filtrate at 75-90 DEG C and 200-700MPa to remove isopropenyl phenol, so as to obtain a crude product; and (c) dissolving the crude product into an alcohol solvent to crystallize, wherein the mass ratio of the isopropenyl phenol to the resorcinol to the composite catalyst is (20-25) to (8-10) to 1. On one hand, the isopropenyl phenol and the resorcinol are catalyzed by using the composite catalyst, neutralization by using an alkali liquor is omitted after reaction, and the catalyst can be repeatedly utilized, so that the cost is saved; and ...

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Номер записи: 8
20-03-2018 дата публикации

A power supply circuit for conference table tablet

Номер: CN0207124467U
Автор: LIU CHUNLI, WEI JIANYING, WANG XIANCHAO, WU YANJUN, LI YAN, WEI HAINING, HAN LING, JIA WEIHUA, FAN QING, JI JIANMING
Принадлежит: SHANXI BAIDE TECH DEVELOPMENT CO LTD, SHANXI BAIDE TECHNOLOGY DEVELOPMENT CO., LTD.

The utility model relates to a power supply circuit for conference table tablet belongs to the technical field of conference table tablet, and the technical problem of solution is: the utility model provides a higher a power supply circuit for conference table tablet of circuit stability, the technical scheme who adopts does: including power protection circuit, voltage sampling circuit and power supply output circuit, the input of power protection circuit links to each other with the input of external power module, and the output of power protection circuit links to each other with voltage sampling circuit's input, power supply output circuit's input, USB interface circuit's power input end respectively, and power supply output circuit's output links to each other with the power end of controller, screen interface circuit's power end, bluetooth communication circuit's power end respectively, voltage sampling circuit links to each other with the controller, and screen interface circuitlinks ...

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Номер записи: 9
22-07-2009 дата публикации

1000kV extra-high voltage AC non-contact type electricity checking method and apparatus

Номер: CN0101487858A
Автор: GUIWEI SHAO, HUI YI, LIHUA ZHANG, JIANMING JI, JIANZHONG DU, SHAO GUIWEI, YI HUI, ZHANG LIHUA, JI JIANMING, DU JIANZHONG
Принадлежит:

The invention provides a 1000kV ultrahigh voltage alternating current non-contact-type electroscopy and an electroscope thereof, the hardware part of the electroscope consists of a signal acquisition module, a signal amplification module, a signal processing module, an analog-to-digital conversion and data processing module and an alarm module, the software part thereof is divided into five stages comprising self-check, pre-check, checkup, comparison and alarm; after the self-check is passed and time delay of 3 seconds elapses, a value, which is obtained by performing a data acquisition in 10KHz frequency on the electric field intensity of the working location, is regarded as a reference value for the electroscopy, the inventive reference value is an electric field value of the on-site working location, which effectively enhances the use range and accuracy of the electroscope; the invention implements the electroscopy in terms of field intensity curves of space electric fields and gives ...

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Номер записи: 10
18-08-2023 дата публикации

Shading fabric and preparation method thereof

Номер: CN116607335A
Автор: JI JIANMING, SUN JILEI, RUAN CHAO, ZHANG XINYI
Принадлежит:

The invention discloses a shading fabric and a preparation process thereof.The preparation process includes the preparation steps of yarn manufacturing, gray cloth manufacturing, pretreatment, shaping and waterproofing, calendaring and shading, in the yarn manufacturing step, warp and weft are interwoven to form a wound yarn drum, the yarn drum is subjected to yarn steaming and shaping treatment, and yarn is obtained; gray cloth manufacturing: weaving yarns to form a fabric; pretreatment: carrying out flat cylinder pretreatment on the fabric by using a pretreatment agent, and drying; shaping and waterproofing: shaping the dried fabric and performing waterproofing treatment on the fabric by using a waterproof solution; calendaring: carrying out calendaring treatment on the waterproof fabric; shading: coating the fabric subjected to calendering treatment with a shading coating. The shading fabric is excellent in shading performance, uniform and firm in color and not prone to fading, and meanwhile ...

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Номер записи: 11
04-04-2023 дата публикации

Visual system for production and fusion butt joint monitoring

Номер: CN115905398A
Автор: HE YANG, FENG CHENG, ZHAO XIAOFEI, MA CONG, LIU XIAOGUI, LI ZIWEI, LU JUN, PEI HAOYUE, LIAO LULU, JI JIANMING, PENG DANPING, WANG RUI, LI MENGGUANG, ZHANG YUANYUAN
Принадлежит:

The invention discloses a visualization system for production and fusion docking monitoring, and relates to the technical field of production and fusion docking, the visualization system comprises a production and fusion docking platform, a data monitoring module and a visualization display module, the production and fusion docking platform is electrically connected with a data storage module, the data monitoring module is electrically connected with the data storage module, and the visualization display module is electrically connected with the production and fusion docking platform. The visual display module is electrically connected to the output end of the data monitoring module, and the visual display module comprises a data processing module, a data structuring module, a visual chart drawing module, a visual chart updating module and a visual sub-module. According to the visual system for production and fusion butt joint monitoring, system data can be fully monitored through a data ...

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Номер записи: 12