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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 15. Отображено 15.
28-07-2023 дата публикации

VN-coated Ni composite array electrocatalyst and preparation method and application thereof

Номер: CN116497398A
Автор: ZHOU XIAO, FENG LIANGLIANG, FU CHANGLE, XUE LIYUE, HUANG JIANFENG, CAO LIYUN
Принадлежит:

The invention belongs to the field of electrocatalyst materials, and relates to a preparation method of a VN-coated Ni composite array electrocatalyst, which comprises the following steps: adding a nickel source, a vanadium source and a surfactant as a nitrogen source into an acidic solution, mixing and stirring to obtain a uniform solution; carrying out hydrothermal reaction on a carbon substrate and the uniform solution by adopting a hydrothermal arc discharge method, and growing a NiV oxide precursor with an array structure on carbon cloth in situ; and calcining the NiV oxide precursor in a reducing atmosphere at 780-820 DEG C for 2.5-3.5 h to synthesize the VN-Ni composite array electrocatalyst with the rice crust sheet array structure. The prepared product presents the morphology of an array structure formed by spontaneous aggregation of a rice crust sheet structure, abundant edge active sites are exposed, the exposure of catalytic active sites is effectively improved, and the three-dimensional ...

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Номер записи: 1
02-06-2023 дата публикации

High-voltage circuit breaker fitting and friction force measuring device and fitting method

Номер: CN116202758A
Автор: FENG LIANGLIANG, HUANG CHAO, LU QUANFENG, WANG YAFENG
Принадлежит:

The invention belongs to the technical field of circuit breakers, and discloses a high-voltage circuit breaker test and friction force measurement device and method, and the device comprises a driving source, a linear motion mechanism, a displacement measurement assembly, a friction force measurement assembly, and a control end. The driving source can drive the linear motion mechanism to move in the vertical direction. The end, close to the pin hole, of the sealing rod is connected with the output end of the linear motion mechanism, and the linear motion mechanism enables the sealing rod to be arranged at the installation position so that the pin hole and the connecting hole can be connected through the matching plate. The displacement measuring assembly can measure the displacement of the sealing rod; the friction force measuring assembly can measure the friction force of the circuit breaker body in real time; the control end is in signal connection with the displacement measurement assembly ...

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Номер записи: 2
23-06-2023 дата публикации

V-WP electrocatalyst and preparation method and application thereof

Номер: CN116288485A
Автор: CAO LIYUN, LIU ZHENTING, FENG LIANGLIANG, HUANG JIANFENG, XU GUOTING, XIE YAJIE
Принадлежит:

The invention discloses a V-WP electrocatalyst as well as a preparation method and application thereof. The method comprises the following steps: 1) weighing phosphotungstic acid, sodium hypophosphite, dicyandiamide and vanadium chloride according to a mass ratio of (9-11): (15-17): (11-13): (1-2); (2) mixing phosphotungstic acid, dicyandiamide and vanadium chloride weighed in the step (1), fully grinding, putting into a small porcelain boat, putting the small porcelain boat at one end of a large porcelain boat, putting the sodium hypophosphite weighed in the step (1) at the other end of the large porcelain boat, putting the whole porcelain boat into a tubular furnace, enabling the sodium hypophosphite to be in an upwind direction, and keeping the temperature of the tubular furnace to be 50-60 DEG C; finally, two furnace plugs are plugged into each of the two ends of the tubular furnace; and 3) introducing protective gas into the tubular furnace, heating from room temperature to 700-900 ...

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Номер записи: 3
16-05-2023 дата публикации

Zirconium-doped nickel sulfide self-supporting electrode material and preparation method and application thereof

Номер: CN116121804A
Автор: CAO LIYUN, LI JINHAN, FENG LIANGLIANG, HUANG JIANFENG, HE DANYANG, LI XIAOYI
Принадлежит:

The invention discloses a zirconium-doped nickel sulfide self-supporting electrode material and a preparation method and application thereof, and the method comprises the following steps: 1, adding 0.5-3 mmol of zirconium nitrate pentahydrate and 1.5-9 mmol of thioacetamide into a beaker filled with 20 mL of absolute ethyl alcohol, and uniformly stirring to obtain a mixed solution A; step 2, firstly transferring the mixed solution A into a polytetrafluoroethylene lining drop by drop, then putting 1.5 cm * 4cm * 0.2 cm pure foamed nickel into the polytetrafluoroethylene lining filled with the mixed solution A, then sealing the polytetrafluoroethylene lining, putting the polytetrafluoroethylene lining into a high-pressure kettle, finally putting the high-pressure kettle into a drying oven, raising the temperature from room temperature to 120-180 DEG C at the temperature raising rate of 5 DEG C/min, and keeping the temperature for 2-3 hours; keeping the temperature until the reaction is sufficient ...

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Номер записи: 4
18-04-2023 дата публикации

Intelligent pipeline monitoring device and monitoring system

Номер: CN115978455A
Автор: FENG HUIQIANG, ZHANG MIN, FENG LIANGLIANG
Принадлежит:

The embodiment of the invention discloses an intelligent pipeline monitoring device and system, and the device comprises a pipeline position positioning unit which is used for carrying out the positioning identification and generating the unique positioning identification data of each pipeline; the pipeline environment monitoring unit is used for performing fixed-point monitoring on the key monitoring positions and generating pipeline environment monitoring data; the flow detection unit is used for determining whether an abnormal flow signal exists or not; the cloud server is used for determining abnormal pipeline position information based on a monitoring analysis strategy and issuing the abnormal pipeline position information to the specified supervisor communication terminal; the monitoring analysis strategy comprises the steps of calling the pipeline environment monitoring data packet of each key monitoring position based on the abnormal flow signal to perform pipeline abnormality analysis ...

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Номер записи: 5
09-05-2023 дата публикации

Method for preparing W18O49/WO3 heterogeneous electrocatalyst by utilizing oxygen deficiency, electrocatalyst and application

Номер: CN116081691A
Автор: CAO LIYUN, LIU RUI, HUANG JIANFENG, FENG LIANGLIANG, XU GUOTING, NIU MENGFAN, CHEN QIAN
Принадлежит:

The invention discloses a method for preparing a W18O49/WO3 heterogeneous electrocatalyst by utilizing oxygen deficiency, the electrocatalyst and application, and the method comprises the following steps: respectively weighing tungsten chloride, cuprous oxide and urea, grinding to uniformly mix the tungsten chloride, the cuprous oxide and the urea, then adding the obtained mixture into a methanol solution, and stirring to obtain a uniformly mixed solution; loading the obtained uniformly mixed solution into a lining of a high-pressure kettle, mounting the lining into a stainless steel high-temperature and high-pressure reaction kettle, putting the sealed reaction kettle into an electric blast drying oven, setting parameters, controlling the temperature to be 120-220 DEG C and the reaction time to be 1-36 hours, after the reaction is finished, cooling the hydrothermal kettle to room temperature, disassembling the kettle, and cooling to room temperature; and carrying out suction filtration ...

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Номер записи: 6
18-07-2023 дата публикации

Mo-doped NiS microflower electrocatalyst as well as preparation method and application thereof

Номер: CN116445968A
Автор: FENG LIANGLIANG, LI YUHANG, HUANG JIANFENG, FU CHANGLE, CAO LIYUN, FENG YONGQIANG
Принадлежит:

The invention discloses a Mo-doped NiS microflower electrocatalyst and a preparation method and application thereof. The preparation method adopts a one-step hydrothermal-solvothermal method to synthesize a NiS microflower self-supporting electrocatalyst on the surface of an industrial metal substrate, namely a porous nickel net. The preparation method comprises the following steps: firstly, simultaneously adding ammonium molybdate tetrahydrate and thioacetamide into absolute ethyl alcohol, adding a small amount of an amino carboxylate complexing agent for promoting surface growth, stirring to obtain a uniform solution, immersing a clean porous nickel net into the solution for hydrothermal reaction, cleaning and drying to obtain the Mo-doped NiS microflower structure electrocatalyst; the method has the characteristics that the reaction condition is mild, the operation is simple and convenient, harsh reaction conditions are not needed, and large-batch production can be realized; the surface ...

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Номер записи: 7
04-08-2023 дата публикации

Vanadium nitride/transition metal monatomic loaded electrocatalyst as well as preparation method and application thereof

Номер: CN116536704A
Автор: ZHOU XIAO, FENG LIANGLIANG, LI XIAOYI, XUE LIYUE, HUANG JIANFENG, CAO LIYUN
Принадлежит:

The invention belongs to the technical field of electrocatalyst materials, and particularly relates to a preparation method of a vanadium nitride/transition metal monatomic loaded electrocatalyst, which comprises the following steps: dissolving a water-soluble transition metal salt, a vanadium source and an alkaline substance in water to form an alkaline aqueous solution; adding a surfactant into the alkaline aqueous solution to prepare a mixed solution; the mixed solution is subjected to a hydrothermal reaction, and vanadium/metal hydroxide powder is obtained after the reaction is finished; and mixing the vanadium/metal hydroxide powder with a nitrogen-containing carbon source, fully grinding, and carrying out heat treatment in a protective atmosphere to obtain the vanadium nitride/transition metal monatomic loaded electrocatalyst. The electrocatalyst prepared by the method shows the morphology structure of growing the nanotube on the nanosheet, a large number of sites on the surface are ...

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Номер записи: 8
25-04-2023 дата публикации

Intelligent Krah pipe monitoring system for ad hoc network monitoring

Номер: CN116006906A
Автор: FENG HUIQIANG, ZHANG MIN, FENG LIANGLIANG
Принадлежит:

The embodiment of the invention discloses an intelligent Krah pipe monitoring system for ad hoc network monitoring. The intelligent Krah pipe monitoring system comprises a plurality of ad hoc network flow detection units which can perform networking communication with one another; a communication unit; the ad hoc network pipeline position positioning unit is used for performing positioning identification on the position information of each partition Krah pipe buried pipeline network and generating unique positioning identification data; the cloud server is used for determining abnormal position information based on a monitoring analysis strategy and issuing the abnormal position information to a specified supervisor communication end when the ad hoc network flow detection unit determines that the abnormal flow signal exists; the monitoring analysis strategy comprises the steps of performing pipeline anomaly analysis based on the abnormal flow signal to form a potential anomaly analysis ...

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Номер записи: 9
18-07-2023 дата публикации

Cu-doped WO3 high-efficiency hydrogen evolution electro-catalytic material as well as preparation method and application thereof

Номер: CN116445932A
Автор: CAO LIYUN, LIU RUI, HUANG JIANFENG, FENG LIANGLIANG, XU GUOTING, LI XIAOYI, XIE YAJIE
Принадлежит:

The invention discloses a Cu-doped WO3 high-efficiency hydrogen evolution electro-catalytic material as well as a preparation method and application thereof. The preparation method comprises the following steps: preparing a cuprous oxide precursor; respectively weighing 0.642 g to 1.008 g of glucose, 0.224 g to 0.465 g of tungsten chloride and 95 mg to 120 mg of the cuprous oxide precursor prepared in the step 1, grinding and uniformly mixing the components, adding the mixture into 40 mL to 60 mL of H2O, and stirring to obtain a uniformly mixed solution D; and pouring the uniformly mixed solution D into a polytetrafluoroethylene lining of a stainless steel high-temperature and high-pressure reaction kettle, putting the sealed reaction kettle into a homogeneous hydrothermal reactor, setting the temperature parameter to be 120-220 DEG C and the reaction time to be 1-36 hours, cooling to room temperature after the reaction is finished, carrying out suction filtration, and drying to obtain ...

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Номер записи: 10
23-06-2023 дата публикации

Distraction tool for double-loop triangularly-arranged wires

Номер: CN116316257A
Автор: XU RUI, YU CHI, FENG LIANGLIANG, ZUO CHEN, CHEN HONGMING, XIA HONGYU, TONG XIONGMIN, TIAN XIAOZHENG, JIN QIKANG, XU ZHIHANG, FANG JUN
Принадлежит:

The invention discloses a double-loop triangularly-arranged wire opening tool which comprises an upper supporting assembly and a lower supporting assembly, the upper supporting assembly comprises a center column and an upper wire opening assembly, the upper end of the center column is fixedly connected with a hanging ring, and the upper wire opening assembly comprises a first beam, a first sliding seat, a first connecting buckle and a first driving device. The upper supporting assembly further comprises a first rotating device, the lower supporting assembly comprises a center pipe and a lower supporting assembly, the lower supporting assembly comprises a second beam, the second beam is slidably connected with two second sliding seats in the extending direction of the second beam, the second beam is provided with a second driving device, and the second sliding seats are rotatably connected with second connecting buckles. The second connecting buckle is in a U shape with a downward opening ...

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Номер записи: 11
18-07-2023 дата публикации

CuCl/WO2/WO3 high-conductivity composite electro-catalytic material as well as preparation method and application thereof

Номер: CN116445933A
Автор: CAO LIYUN, LIU RUI, HUANG JIANFENG, FENG LIANGLIANG, XU GUOTING, LIU ZHENTING, LI JINHAN
Принадлежит:

The invention discloses a CuCl/WO2/WO3 high-conductivity composite electro-catalytic material as well as a preparation method and application thereof. The preparation method comprises the following steps: preparing a cuprous oxide precursor; respectively weighing 0.642 g to 1.008 g of citric acid, 0.224 g to 0.465 g of tungsten chloride and 95 mg to 120 mg of the cuprous oxide precursor prepared in the step 1, grinding and uniformly mixing the materials, adding the mixture into 40 mL to 60 mL of absolute ethyl alcohol, and stirring to obtain a uniformly mixed solution D; pouring the uniformly mixed solution D into a polytetrafluoroethylene lining of a stainless steel high-temperature and high-pressure reaction kettle, putting the sealed reaction kettle into a microwave hydrothermal instrument, setting the temperature parameter to be 120-220 DEG C and the reaction time to be 1-15 hours, cooling to room temperature after the reaction is finished, and carrying out suction filtration, cleaning ...

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Номер записи: 12
23-06-2023 дата публикации

Ni-Ni2P-Ni5P4/g-C3N4 photocatalyst as well as preparation method and application thereof

Номер: CN116273124A
Автор: HUANG JIANFENG, CHEN QIAN, FENG LIANGLIANG, LI XIAOYI, LI JINHAN, LIU RUI, YU ZEHAN, CAO LIYUN
Принадлежит:

The invention discloses a Ni-Ni2P-Ni5P4/g-C3N4 photocatalyst as well as a preparation method and application thereof. The method comprises the following steps: preparing g-C3N4 by adopting a muffle furnace one-step calcination method; mixing hexadecyl trimethyl ammonium bromide, urea, nickel nitrate hexahydrate and the g-C3N4 prepared in the step 1 according to the mass ratio of (0.1-2): (3-20): (1-5): (8-30), so as to obtain mixed powder; adding 0.1-2g of the mixed powder into deionized water, adding 0.005-0.02 g of PVP (polyethylene and pyrrolidone), fully stirring until the mixture is uniformly mixed, pouring the mixture into a lining of a reaction kettle, putting the lining of the reaction kettle into a drying oven at the temperature of 100-200 DEG C, keeping the temperature for 12-24 hours, cooling, and centrifuging, cleaning and drying the solution to obtain a Ni/g-C3N4 precursor; the Ni/g-C3N4 precursor and sodium hypophosphite are placed in a white porcelain boat according to the ...

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Номер записи: 13
09-06-2023 дата публикации

Boron-doped fullerene amine loaded metal nanoparticle electrocatalyst and preparation method thereof

Номер: CN116240573A
Автор: FENG YONGQIANG, ZHU WENJIE, LIU WANWAN, GAO MENGTING, HUO XUEMENG, LI XU, FENG LIANGLIANG, LI CUIYAN
Принадлежит:

The preparation method comprises the following steps: 1, mixing C60 powder with ethidene diamine, stirring in a nitrogen atmosphere until C60 is completely dissolved in ethidene diamine to obtain a solution A, carrying out rotary evaporation on excessive ethidene diamine to obtain a precipitate, dissolving the precipitate with an acid solution to obtain a solution B, and carrying out ultrasonic treatment on the solution B to obtain a solution B; adjusting the solution to be neutral by using alkali liquor to obtain a solution C60-EDA-Z; 2, carrying out rotary evaporation on the solution C60-EDA-Z, dialyzing in ultrapure water for several days, and freeze-drying to obtain C60-EDA; and 3, dissolving C60-EDA in deionized water, heating from room temperature to 100-125 DEG C while stirring, adding a small amount of a metal source and a boron source into the aqueous solution of C60-EDA for many times, preserving heat, freeze-drying, heating from room temperature to 700-900 DEG C at a heating ...

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Номер записи: 14
02-06-2023 дата публикации

Asymmetric axial electromagnetic force wave calculation method for axial magnetic field permanent magnet memory motor

Номер: CN116205067A
Автор: CAO YONGJUAN, LI KANG, FENG LIANGLIANG, MAO RUI, GU DI, ZHANG WEI
Принадлежит:

The invention discloses a method for calculating asymmetric axial electromagnetic force waves of an axial magnetic field permanent magnet memory motor, which mainly comprises the following steps of: determining a solving coordinate system, respectively establishing a Poisson equation and a Laplacian equation for the motor according to different solving areas of an air gap and a Halbach array permanent magnet, and on the basis of solving a Laplacian general solution, calculating the asymmetric axial electromagnetic force waves of the axial magnetic field permanent magnet memory motor. And solving the static axial air gap flux density and the circumferential air gap flux density according to boundary conditions which should be met by the no-load magnetic field analytical model. In the operation process of the motor, the magnetomotive force of the Halbach array permanent magnet is calculated; respectively calculating magnetomotive force generated by a single-phase winding and magnetomotive ...

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Номер записи: 15