Настройки

Укажите год
-

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

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 20. Отображено 20.
28-07-2023 дата публикации

Explosion-proof lamp and assembling method thereof

Номер: CN116498926A
Автор: YE XIANFENG, ZHANG HONGBO, WANG KUN, HUANG LIN, XU WEIKANG
Принадлежит:

The invention belongs to the technical field of lamps, and particularly relates to an explosion-proof lamp and an assembling method thereof. The explosion-proof cover is arranged at the lower end of the mounting cavity and used for isolating the mounting cavity from the outside to prevent explosion of the lamp; the lighting assembly is slidably arranged at the upper end of the mounting cavity and used for lighting; the cushioning pre-tightening assembly is used for cushioning to ensure the illumination stability of the illumination assembly; the transmission assembly is used for adjusting the position of the lighting assembly; a reflector; when the lamp is replaced and assembled, through the arranged transmission assembly and the combined transmission mode of worm and gear transmission and thread transmission, free stretching of the lighting assembly is achieved, kneading transmission between turbines has self-locking performance, and it is guaranteed that the overall positions of the turbines ...

Подробнее
Номер записи: 1
24-02-2010 дата публикации

Variable frequency control device and variable frequency control method of variable frequency air-conditioner

Номер: CN0101655273A
Автор: YANG LIU, QIANG LI, XIANFENG YE, GUANG YAN, LIU YANG, LI QIANG, YE XIANFENG, YAN GUANG
Принадлежит:

The invention relates to a variable frequency control device and a variable frequency control method of a variable frequency air-conditioner. The variable frequency control device of the variable frequency air-conditioner comprises a power transistor (1), wherein the power transistor (1) is connected with a control circuit of the variable frequency air-conditioner through a pin (5) and is also provided with a heat dissipation device, and the heat dissipation device comprises a heat exchanging element (3) contacting the power transistor (1); the power transistor (1) is an integral type transistor or a distributed type transistor; and the heat dissipation device also comprises a fan (4) arranged beside the heat exchanging element (3) and transmits air to the heat exchanging element (3). According to the actual heat yield and the heat environment of the variable frequency control device, the invention ensures the temperature of the power transistor (1) to be within a temperature range permitted ...

Подробнее
Номер записи: 2
09-12-2015 дата публикации

High light efficiency integral type G9LED lamp

Номер: CN0204853038U
Автор: YE XIANFENG, ZHANG ZHIWU, GOU SUOLI, SHEN FANG, GAO JU
Принадлежит:

The utility model provides a high light efficiency integral type G9LED lamp, including PC cover, integral type LED light source, radiator and electrode pin. The radiator inner chamber is located to integral type LED light source, and including LED lamp pearl and drive module, LED lamp pearl is integrated on high heat conduction ceramic base plate with drive module, and is equipped with a plurality of through -holes on the ceramic substrate, its both sides printing metallic circuit layer to realize both sides circuit connection through the through -hole, make LED lamp pearl luminous in ceramic substrate both sides, form three -dimensional light source. High light efficiency integral type G9LED lamp simple structure, the equipment is convenient, the easily production, and adopt LED lamp pearl, long service life, light efficiency height, energy consumption are hanged down, the last through -hole that is equipped with of ceramic substrate for LED lamp pearl is luminous in ceramic substrate ...

Подробнее
Номер записи: 3
09-06-2023 дата публикации

Application of beta-1, 3-glucanase from myxobacteria and composition of beta-1, 3-glucanase in biological control of plant phytophthora root rot

Номер: CN116240227A
Автор: LEE JU-KON, ZHANG LEI, CUI ZHONGLI, WANG JIHONG, YE XIANFENG, HUANG YAN
Принадлежит:

The invention discloses application of beta-1, 3-glucanase derived from myxobacteria and a composition thereof in biological prevention and control of plant phytophthora root rot. The invention provides three beta-1, 3-glucanase genes capable of being used for biological prevention and control of plant phytophthora root rot, the nucleotide sequences of the three beta-1, 3-glucanase genes are respectively SEQ ID NO.1, SEQ ID NO.2 and SEQ ID NO.3, and the amino acid sequences of encoded glycoside hydrolase proteins are respectively SEQ ID NO.4, SEQ ID NO.5 and SEQ ID NO.6. The invention further provides a preparation method of the beta-1, 3-glucanase genes. The beta-1, 3-glucanase and the composition thereof can be used for effectively inhibiting the infection of phytophthora germs on plants.

Подробнее
Номер записи: 4
08-07-2009 дата публикации

Preparation of chloromethyl triphenyl phosphonium chloride

Номер: CN0101475590A
Автор: YE XIANFENG, CAO LONGHAI, LI BING, LIANG TAISHUO, ZHANG HUI, YANG SHU, BAO CHUNYANG, XIANFENG YE, LONGHAI CAO, BING LI, TAISHUO LIANG, HUI ZHANG, SHU YANG, CHUNYANG BAO
Принадлежит:

The invention provides a method for preparing chloromethyl(triphenyl)phosphonium chloride and relates to a method for preparing a pharmaceutical organic intermediate. The methods solves the problem that the raw material used by the prior method for preparing the chloromethyl(triphenyl)phosphonium chloride is high in price, rarely available and easy to produce toxic substances. The method comprises: dissolving triphenylphosphonium in an organic solvent; adding a solution of paraformaldehyde or formaldehyde; passing a chlorine hydride gas through the solution; and subjecting the solution to suction filtration; dissolving the hydroxymethyl(triphenyl)phosphonium chloride obtained by suction filtration in methylene dichloride; adding thionyl chloride into the solution; heating and refluxing the solution; subjecting the product obtained by refluxing to reduced pressure distillation and obtaining a coarse product; dissolving the coarse product in isopropanol, cooling the solution to room temperature ...

Подробнее
Номер записи: 5
24-02-2016 дата публикации

Two -sided light -emitting thin slice formula LED car headlight

Номер: CN0205048323U
Автор: CAO PENGXI, YE XIANFENG, GOU SUOLI, SHEN FANG, GAO JU
Принадлежит:

The utility model discloses a two -sided light -emitting thin slice formula LED car headlight, including light source and radiator, it is the base plate by high heat conduction ceramic, the one -side welding of base plate is on metal support, and the another side printing has the metallic circuit to be used for laminating with right with the LED chip the light source carries out surface mounting, all welded high heat conduction ceramic base plate in metal support both sides, surface mounting LED lamp pearl forms two -sided light -emitting on the high heat conduction ceramic base plate. Two -sided light -emitting thin slice formula LED car headlight uses high heat conduction ceramic as the base plate, and the radiating effect is excellent, use the LED chip to carry out the surface encapsulation of light source for the light source area is minimum, and thickness is minimum, and the light -emitting position is more concentrated, is in the focus department of car headlight reflector, has improved ...

Подробнее
Номер записи: 6
01-12-2017 дата публикации

Novel LED explosion-proof lamp capable of being directly mounted on aluminium alloy radiator

Номер: CN0107420753A
Автор: YE XIANFENG, LIU LEJUN
Принадлежит:

The invention discloses a novel LED explosion-proof lamp capable of being directly mounted on an aluminium alloy radiator. The novel LED explosion-proof lamp comprises the aluminium alloy radiator, a ceramic insulating layer, a metal line layer, an ink layer, an electronic element, a drive chip, an LED lamp bead, a capacitor and electrons, wherein the ceramic insulating layer is sintered or laminated on the surface of the aluminium alloy radiator; the metal line layer is sintered on the ceramic insulating layer; and the metal line layer is coated with the ink layer. According to the novel LED explosion-proof lamp, the LED is directly mounted on the aluminium alloy radiator and is directly integrated with a shell, so that the cost is reduced, a light source can play the effect to the maximum, the service life is prolonged, and the heat dissipation efficiency and the working efficiency are improved.

Подробнее
Номер записи: 7
04-08-2010 дата публикации

Aluminic acid and methyl silicone resin binary modification phenol formaldehyde adhesive and preparation method thereof

Номер: CN0101792647A
Автор: BING LI, BO WANG, XIANFENG YE, LI BING, WANG BO, YE XIANFENG
Принадлежит:

The invention discloses an aluminic acid and methyl silicone resin binary modification phenol formaldehyde adhesive and a preparation method thereof, relates to a phenol formaldehyde adhesive and a preparation method thereof, and solves the problem that energy consumption in the adhesion process is high due to high curing temperature of the conventional high-temperature resistant phenol formaldehyde adhesive. The aluminic acid and methyl silicone resin binary modification phenol formaldehyde adhesive is prepared from phenol, formaldehyde, zinc oxide, aluminic acid and methyl silicone resin. The preparation method comprises the following steps: adding the phenol, formaldehyde and zinc oxide into a reaction kettle, raising the temperature to 97 to 100 DEG C and maintaining the temperature for 1.8 to 2.3 hours; adding the aluminic acid and the methyl silicone resin into the reaction kettle at the temperature of between 97 and 100 DEG C and maintaining the temperature for 4 to 6 hours; distilling ...

Подробнее
Номер записи: 8
17-03-2010 дата публикации

Oil gas recycling technology using falling film decomposing and solving device

Номер: CN0101670224A
Автор: LI BING, YE XIANFENG, CAO LONGHAI, BING LI, XIANFENG YE, LONGHAI CAO
Принадлежит:

An oil gas absorbing technology using a falling film decomposing and dissolving device relates to a technology for oil gas recycling. The invention aims at the problems of the existing decomposing andsolving device, such as low absorption rate, relatively complicated structure, relatively difficult process, and low safety caused by blown-in air as stripping gas, as well as the problems of frequently-used absorbent for oil gas recovery, such as low technical recovery efficiency, large using amount of absorbent, relatively low absorbent selectivity and low desorption rate. The technical schemescomprise the following steps: firstly, introducing the volatilized mixture of oil and air into a packing absorption tower, and leading the mixture of oil and air to be contacted with the fatty acid ester of the absorbent C8-C10 alcohol on the packing surface to absorb the oil gas; secondly, decomposing and dissolving the oil gas, wherein the absorbent containing oil gas is introduced into the falling ...

Подробнее
Номер записи: 9
06-06-2012 дата публикации

Activated alumina and activated carbon compounded material and preparation method thereof

Номер: CN0101890336B
Автор: YU YAN, WU RENPING, YE XIANFENG, YAN YU, RENPING WU, XIANFENG YE
Принадлежит:

The invention provides an activated alumina and activated carbon compounded material and a preparation method thereof. According to a formula, the material comprises the following raw materials in percentage by mass: 40 to 99 percent of aluminum hydroxide, 1 to 60 percent of activated carbon, and 15 to 35 percent of binder. The material is prepared by uniformly mixing, pelleting, ageing, molding, airing, sintering, rinsing, drying and the like. The invention aims to compound the activated carbon with the activated alumina; on the one hand, the material with a certain shape can be processed, the defects of loose shape, low strength, difficult recovery and the like of the activated carbon are overcome, and the material is easy to recycle; and on the other hand, the adsorption property of the activated alumina material is greatly improved. The method has the advantages of simpleness, practicality, readily available raw materials, low cost and suitability for industrial mass production, and ...

Подробнее
Номер записи: 10
30-05-2023 дата публикации

Method for synthesizing thioether compound through sulfoxide reduction

Номер: CN116178225A
Автор: LIU QIXING, FAN JIXIA, DU YIFAN, XIAO KAI, YE XIANFENG, ZHOU HAIFENG
Принадлежит:

The invention relates to the technical field of chemical synthesis, in particular to a method for synthesizing thioether compounds through sulfoxide reduction. The method comprises the following steps: (1) by taking an aryl alkyl sulfoxide compound as a raw material and tetrahydroxy diboron as a reducing agent, carrying out mediated reduction to obtain aryl alkyl thioether, thiophene and other products; and (2) the method does not use a catalyst, and reduces sulfoxide to obtain the product. The invention provides a synthesis method of thioether. The synthesis method comprises the following steps: reducing sulfoxide in air or closed air to synthesize a thioether compound crude product; the method is simple and convenient to operate and wide in substrate adaptability, has the characteristics of no catalyst, mild reaction conditions, low cost, easiness in obtaining, high yield (92-99%), simple post-treatment and the like, and has a relatively good application prospect.

Подробнее
Номер записи: 11
16-09-2015 дата публикации

LED car lamp

Номер: CN0204648056U
Автор: GAO JU, CAO PENGXI, GOU SUOLI, YE XIANFENG
Принадлежит:

The utility model discloses a LED car lamp, including a bracing piece, upper end of the support bar is equipped with three -dimensional luminous style pointolite, the lower part of bracing piece is equipped with first screw thread portion, and the bracing piece is screwed with the buckle that is used for fixed reflector through first screw thread portion, the lower part of first screw thread portion is equipped with second screw thread portion, and the bracing piece passes through second screw thread portion and is connected with the radiating piece. The luminous position of three -dimensional luminous style pointolite just is in the focus department of car headlight reflector, has improved the luminous efficiency of light source. Ceramic substrate realizes three -dimensionally luminous, has improved the luminous efficiency of LED chip. Ceramic substrate is very thin, and the heat conductivity is good, and the heat of LED chip transmits ceramic substrate surface, direct and air convection ...

Подробнее
Номер записи: 12
09-09-2015 дата публикации

Hyperbolic reducing steel construction cyclone assemble structure

Номер: CN0204626642U
Автор: LI XUELIANG, ZENG HAITAO, SU XIAOHONG, WEN YUCAO, HUANG SIMING, ZHU MIN, YE XIANFENG
Принадлежит:

The utility model discloses a hyperbolic reducing steel construction cyclone assemble structure, the cyclone is installed on the curve encircles, the curve encircles to be connected for the receipts limit component of steel sheet cyclone and with the lower extreme of cyclone is whole, fixed room lid is connected at the middle part of cyclone, the upper end and the steel construction bearing diagonal of cyclone are connected, the cross -section of cyclone changes along with direction of twist and spatial position's difference. The utility model provides an overweight receipts limit curve of overlength encircle and the instability problem of the on -the -spot concatenation of the irregular steel sheet cyclone of the overweight hyperbolic structure of support system problem, overlength of the disposable construction of hyperbolic structure steel sheet cyclone and the hoist and mount instability problem of the overweight hyperbolic structure steel sheet cyclone of overlength, have security, ...

Подробнее
Номер записи: 13
17-12-2014 дата публикации

Oblique beam for grandstand of stadium and construction process for oblique beam

Номер: CN104213728A
Автор: LI XUELIANG, ZENG HAITAO, SU XIAOHONG, WEN YUCAO, HUANG SIMING, ZHU MIN, YE XIANFENG
Принадлежит:

The invention belongs to the technical field of construction for oblique beams for grandstands of stadiums, and particularly relates to an oblique beam for a grandstand of a stadium and a construction process for the oblique beam. The oblique beam for the grandstand of the stadium is characterized by mainly comprising an oblique beam body; the lower end of the oblique beam body is connected with the upper end of a first-layer column through casting; the middle and the upper end of the oblique beam body are connected with a Y-shaped column through casting; two sides of the oblique beam body and the oblique beam body are provided with lugs through casting; the lugs are higher than the upper surface of the oblique beam body. The oblique beam can ensure the visual effect of upper-layer spectators under the condition of a certain inclination angle.

Подробнее
Номер записи: 14
27-03-2018 дата публикации

Formula of circling round wind -guiding slot heat radiation structure's explosion -proof lamp is equipped with

Номер: CN0207146098U
Автор: YE XIANFENG, LIU LEJUN
Принадлежит: FEIPU EXPLOSION PROOF ELECTRIC CO LTD, FEIPU EXPLOSION-PROOF ELECTRIC CO., LTD.

The utility model provides a formula of circling round wind -guiding slot heat radiation structure's explosion -proof lamp is equipped with, includes casing, radiator, binding post, support, high strength borosilicate glass face guard, mount pad and LED wick, in the middle of the casing top through explosion -proof bolt fixedly connected with columniform radiator radiator top bolt fastening has binding post, there is the support at the both ends of casing top symmetry through rotating bolted connection, the intracavity is provided with the mount pad in the casing bottom, and mount pad and casing are the spherical surface structure of indent for the integrated into one piece structure, be provided with a plurality of LED wicks on the mount pad, border bolt fastening in casing bottom has thehemispherical high strength borosilicate glass face guard of evagination, the utility model discloses the casing adopt the formula wind -guiding slot air cooling formula of circling round design, andevery ...

Подробнее
Номер записи: 15
27-03-2018 дата публикации

LED explosion -proof lamp with dual layer protection function

Номер: CN0207146029U
Автор: YE XIANFENG, LIU LEJUN
Принадлежит: FEIPU EXPLOSION PROOF ELECTRIC CO LTD, FEIPU EXPLOSION-PROOF ELECTRIC CO., LTD.

The utility model provides a LED explosion -proof lamp with dual layer protection function, is including installation lamp body, a flexible section of thick bamboo and telescopic link, installation lamp body outer wall coupling has the handle, installation lamp body bottom central point puts and installs the LED explosion -proof lamp, the billet protection group spare that has with LED explosion -proof lamp structural similarity is inlayed to the outer lane of installation lamp body bottom LED explosion -proof lamp, billet protection group spare bottom is the symmetry form and cup joints flexible of two departments, and inside respectively slip of the flexible section of thick bamboo of two departments has a telescopic link, two the bottom of telescopic link is divided equally otherly andthe welding of transparent PC bottom side guard shield inner wall facial features, the outer lane of installation lamp body bottom billet protection group spare is the even coupling of ring array formhas ...

Подробнее
Номер записи: 16
27-03-2018 дата публикации

LED explosion -proof lamp easy to assemble

Номер: CN0207146097U
Автор: YE XIANFENG, LIU LEJUN
Принадлежит: FEIPU EXPLOSION PROOF ELECTRIC CO LTD, FEIPU EXPLOSION-PROOF ELECTRIC CO., LTD.

The utility model provides a LED explosion -proof lamp easy to assemble, includes geosphere, stay cord and fixing base, the inboard of geosphere is provided with a LED lamp fixing board, the bottom fixed mounting of LED lamp fixing board has a plurality of LED lamp, the top both sides of geosphere still symmetry are provided with two geosphere hangers, there is a mount pad bottom of fixing base through connecting rod fixed mounting, two mount pad hangers are installed to the bottom bilateral symmetry of mount pad, mount pad hangers and geosphere hangers pass through the stay cord and connect.The utility model discloses the setting of installation cover is favorable to the convenience used, and the outside of installation cover is provided with the external screw thread, and the centre ofmount pad is provided with the screw hole column structure of a correspondence, when installation LED explosion -proof lamp, passes through the bolt fastening in the position of needs installation with the ...

Подробнее
Номер записи: 17
27-03-2018 дата публикации

LED explosion -proof lamp that contains new construction lamp stand of easy dismouting

Номер: CN0207146288U
Автор: YE XIANFENG, LIU LEJUN
Принадлежит: FEIPU EXPLOSION PROOF ELECTRIC CO LTD, FEIPU EXPLOSION-PROOF ELECTRIC CO., LTD.

The utility model provides a LED explosion -proof lamp that contains new construction lamp stand of easy dismouting, includes water -cooling glass cover, lamp shade and LED lamp panel, be provided with fixed lamp stand on the explosion -proof lamp body, fixed light foot stall portion pastes and is fixed with the lamp shade, screw and be provided with LED lamp panel fixing base in fixed lamp standupper end, lamp panel fixing base wiring mouth and lamp panel fixing base louvre have been seted up to LED lamp panel fixing base upper end, LED lamp panel fixing base inboard is provided with lamp panel fixing base fixed column, and inserts on the lamp panel fixing base fixed column to close and be provided with the LED lamp panel, screw and be provided with water -cooling glass cover in the fixed lamp stand shanghai in the LED lamp panel fixing base outside, water -cooling glass covers the end and has seted up water -cooling cover wiring mouth and water -cooling cover louvre, the spiral shell ...

Подробнее
Номер записи: 18
24-11-2010 дата публикации

Activated alumina and activated carbon compounded material and preparation method thereof

Номер: CN0101890336A
Автор: YAN YU, RENPING WU, XIANFENG YE, YU YAN, WU RENPING, YE XIANFENG
Принадлежит:

The invention provides an activated alumina and activated carbon compounded material and a preparation method thereof. According to a formula, the material comprises the following raw materials in percentage by mass: 40 to 99 percent of aluminum hydroxide, 1 to 60 percent of activated carbon, and 15 to 35 percent of binder. The material is prepared by uniformly mixing, pelleting, ageing, molding, airing, sintering, rinsing, drying and the like. The invention aims to compound the activated carbon with the activated alumina; on the one hand, the material with a certain shape can be processed, the defects of loose shape, low strength, difficult recovery and the like of the activated carbon are overcome, and the material is easy to recycle; and on the other hand, the adsorption property of the activated alumina material is greatly improved. The method has the advantages of simpleness, practicality, readily available raw materials, low cost and suitability for industrial mass production, and ...

Подробнее
Номер записи: 19
04-04-2023 дата публикации

Microbial fluorescence sensor for detecting p-nitrophenol as well as preparation method and application of microbial fluorescence sensor

Номер: CN115896154A
Автор: HUANG YAN, CHEN SIBO, CUI ZHONGLI, LEE JU-KON, YE XIANFENG
Принадлежит:

The invention discloses a microbial fluorescence sensor as well as a preparation method and application thereof. The microbial fluorescence sensor comprises a sensing element containing a promoter PC1 and a regulatory gene pnpR thereof, and a reporting element containing a green fluorescent protein GFP. The microbial fluorescence sensor can specifically respond to p-nitrophenol with different concentrations to generate fluorescence with different RFU values, and the concentration of p-nitrophenol is coupled with the self-luminous RFU value. The microbial fluorescence sensor provided by the invention can realize specific recognition and detection of p-nitrophenol, is simple and convenient to operate and high in sensitivity, and can linearly detect pollutant molecules in a low-concentration range, so that the microbial fluorescence sensor has a very good application prospect.

Подробнее
Номер записи: 20