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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 25. Отображено 25.
09-03-2017 дата публикации

DEGRADABLE CAPACITOR AND MANUFACTURING METHOD THEREFOR

Номер: WO2017036400A1
Автор: LI, Zhou, WANG, Xinxin, LI, Hu, ZOU, Yang, ZHAO, Luming, WANG, Zhonglin
Принадлежит:

The present invention relates to the field of electronics. Disclosed are a degradable capacitor and a manufacturing method therefor. The degradable capacitor comprises: a first electrode layer; a degradable dielectric layer arranged on the first electrode layer and making contact with the first electrode layer; and a second electrode layer arranged on the degradable dielectric layer and making contact with the degradable dielectric layer. The degradable capacitor of the present invention, since adopting a degradable material, can be self-degraded in a natural environment after losing efficacy, and does not need to be recycled, thereby reducing the cost.

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Номер записи: 1
22-08-2023 дата публикации

Method for reducing N2O emission of soil in biological mode

Номер: CN116615997A
Автор: CHEN JIHUI, YANG FUGUI, YE JIN, LI ZHOU, DONG RUI
Принадлежит:

The invention discloses a method for reducing N2O emission of soil in a biological mode in the technical field of gas emission reduction. The method comprises the following steps: S1, planting plantain herb in a certain proportion on pasture land; s2, pasture land management; s2-1, fertilization: applying 300 to 350 kg. Hm <-1 > of nitrogen fertilizer, 100 to 150 kg. Hm <-1 > of potash fertilizer and 300 to 400 kg. Hm <-1 > of phosphate fertilizer; s2-2, irrigation: performing proper irrigation according to the soil moisture condition of the pasture land and the requirements of the pasture and the plantain herb; s2-3, weeding: regularly weeding by adopting a manual weeding mode and a chemical mode; s2-4, disease and pest control: regularly monitoring and controlling diseases and pests in the pasture land; s3, collecting a gas sample: collecting N2O by adopting a static camera obscura; and S4, determining the content of N2O in the gas sample by adopting a gas chromatographic method.

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Номер записи: 2
13-07-2016 дата публикации

Fashioned storage feed arrangement of bead foaming

Номер: CN0205380822U
Автор: QIN LIU, ZHANG CONG, LI ZHOU, YUAN ZUOBIN, WU BIN
Принадлежит:

... 本实用新型公开了种珠粒发泡成型的储料进料装置，包括储料系统和进料系统，储料系统包括：导轨支架、活动式设置在导轨支架上的储料装置和固定式设置在导轨支架上的料斗；储料装置的进料管道和出料管道均设置有密封装置；进料系统包括：与料斗的料斗出料口相对的辅助传送带和用于驱动辅助传送带的辅助传送带驱动电机；辅助传送带与料斗出料口之间设置有高度可调的刮平装置。本实用新型的储料装置采用密封下的特定环境，很大程度上减缓了预处理后发泡原料中CO的溢出，从而提高了发泡成型颗粒的质量；且料斗以及辅助传送带有效的解决了下料堵塞以及下料不均匀的问题，使原料只是层的平铺在传送带上，从而提高了发泡成型颗粒的质量。 ...

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Номер записи: 3
23-06-2023 дата публикации

Sealing structure for liquid chlorine pump

Номер: CN116292384A
Автор: WENG GUANGWEI, YE LU, CHEN XINGMING, LIU XIANGYANG, ZHU JIA'AN, HUANG JIAN, LI ZHOU
Принадлежит:

The sealing structure for the liquid chlorine pump comprises a pump machine, the output end of the pump machine is connected with a first pipeline, the bottom of the first pipeline is fixedly connected with a second pipeline, the bottom of the second pipeline is fixedly connected with a fixing block, the two ends of the second pipeline are both fixedly connected with connecting flanges, and first through grooves are formed in the connecting flanges; and two baffles are symmetrically and slidably connected to the inner wall of the second pipeline, conical blocks are fixedly connected to the outer walls of the two baffles, and second through grooves are formed in the two baffles. The device has the beneficial effects that after the liquid chlorine pump is closed, in order to prevent air leakage of a pipeline, the air cylinder is started, the top plate is pushed to move upwards, the two connecting shafts are driven to move upwards and rotate at the same time, the two connecting shafts push ...

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Номер записи: 4
18-04-2023 дата публикации

Bridge anti-overturning support suitable for earthquake area

Номер: CN115976949A
Автор: WU HONGGANG, YANG XUEHU, WU XIAOFENG, ZHOU QILIN, ZHANG XINFENG, LI ZHOU, LI YONGQIANG, LI XINYI, LI CHAO, QIAN QIANGWEI, LAI TIANWEN, PAI LIFANG, ZHU ZHAORONG, LAI GUOQUAN, YANG HAOTIAN, YIN WEIJIANG, ZHANG JUNDE, ZHOU XINLU, DING HONGCHENG, QIN CHANGLE
Принадлежит:

The invention discloses a bridge anti-overturning support suitable for an earthquake area, which comprises a lower bottom plate, a multi-layer rubber support, a first strong spring, an upper bottom plate and a lead core from bottom to top, and further comprises an auxiliary support structure and an inhaul cable which are arranged between the lower bottom plate and the upper bottom plate. The lower bottom plate is horizontally fixed on a pier, the multi-layer rubber support is fixed on the lower bottom plate, and a center hole is formed in the center of the multi-layer rubber support; the lead core is vertically fixed to the center of the lower bottom plate and penetrates through a center hole of the multi-layer rubber support. The first strong spring is connected between the multi-layer rubber support and the upper bottom plate and arranged on the lead core in a sleeving mode. The multiple auxiliary supporting structures are arranged around the multiple layers of rubber supports in the ...

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Номер записи: 5
31-05-2018 дата публикации

ENERGY SUPPLY DEVICE FOR COLLECTING KINETIC ENERGY OF ORGANISM

Номер: WO2018095239A1
Автор: LI, Zhou, SHI, Bojing
Принадлежит:

Disclosed are an energy supply device for collecting kinetic energy of an organism, and an implantable medical electronic device. The energy supply device comprises an energy acquisition unit, a rectification unit and an energy storage unit, wherein the energy acquisition unit is used for generating, when an organism moves, induced current by inducing a potential difference between the organism and a reference ground; the rectification unit is used for rectifying the induced current output by the energy acquisition unit into direct current, and supplying electric energy to the energy storage unit and/or a load; and the energy storage unit is used for storing, when the rectification unit outputs electric energy, the electric energy output by the rectification unit, and supplying electric energy to the load when the rectification unit does not output electric energy. By using the principles of electrification by friction and electrostatic induction, kinetic energy of an organism can be transformed ...

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Номер записи: 6
05-05-2023 дата публикации

Sampling device for asphalt detection

Номер: CN116067701A
Автор: CHENG CHUN, SHAO LIHUA, LI ZHOU, LUO WENLIANG, YANG RUI
Принадлежит:

The invention belongs to the technical field of asphalt sampling, and particularly relates to an asphalt detection sampling device which comprises a sampling vehicle for asphalt sampling, a telescopic opening is formed in the lower surface of a box body of the sampling vehicle in a penetrating mode, a covering mechanism is arranged in the box body of the sampling vehicle, and a soil drilling mechanism is arranged in the covering mechanism. And a sample conveying mechanism is connected with the soil drilling mechanism. According to the sampling device for asphalt detection, a hydraulic machine acts to enable a sampling barrel to move downwards, so that a speed reducing motor acts to drive a soil rotating cutter disc to rotate through a connecting disc, and rotating teeth on the soil rotating cutter disc and a cutting knife complete crushing of asphalt soil blocks; and the sample enters the soil rotating cutter head through the sample inlet to be collected, so that the sample collection efficiency ...

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Номер записи: 7
27-07-2016 дата публикации

Dry sieving mechanism of shaping granule

Номер: CN0205392966U
Автор: ZHANG CONG, YUAN ZUOBIN, QIN LIU, LI ZHOU, XU YUAN
Принадлежит:

... 本实用新型公开了种成型颗粒的干燥筛选装置，所述干燥筛选装置包括：依次连接的进料漏斗、除湿干燥机构、离心筛选机构和出料机构；所述除湿干燥机构具有与所述进料漏斗底部连通的除湿干燥室，以及散气板和高温热风器，所述散气板和高温热风器分别相对地设置在所述除湿干燥室的两侧；所述离心筛选机构具有与所述除湿干燥底部室密封连通的离心筛网、驱动所述离心筛网转动的驱动组件和与所述离心筛网相通的抽湿组件；所述出料机构具有与所述离心筛网底部连通的粗出料内通管和细出料内通管。本实用新型的成型颗粒的干燥筛选装置，集出料、除湿、干燥和筛选于身，很好地实现了出料、除湿、干燥和筛选的自动化处理。 ...

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Номер записи: 8
09-03-2017 дата публикации

DEVICE AND METHOD FOR MEASURING MECHANICAL PROPERTY OF CELL

Номер: WO2017036359A1
Автор: WANG, Zhonglin, LI, Zhou, ZHENG, Qiang, ZHAI, Junyi, PENG, Mingceng, ZHANG, Yalan
Принадлежит:

Provided are a device and method for measuring mechanical properties of a cell, the device comprising: a substrate layer (2); and a nanowire layer (1) arranged on the substrate layer (2) and comprising a nanowire array, wherein nanowires (11) in the array can emit an optical signal, and after a cell to be tested (3) is placed on the nanowire layer (1), a change in the optical signal emitted by the nanowires (11) supporting the cell to be tested (3) represents mechanical properties of the corresponding cell. Mechanical properties of a cell can be measured in real time according to a change in the optical signal emitted by the nanowires.

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Номер записи: 9
30-05-2023 дата публикации

Agricultural planting seeding device convenient for feeding

Номер: CN116171689A
Автор: LI ZHOU
Принадлежит:

The invention relates to the technical field of agricultural planting, in particular to a convenient-to-feed seeding device for agricultural planting, which comprises a seeder, feeding side pipes are fixed on two sides of the seeder, the upper ends of the feeding side pipes are fixedly connected with a feeding cylinder, a cover plate is arranged at the bottom of the feeding cylinder, a partition plate is arranged in the feeding cylinder, and a limiting groove is formed in the upper end of the partition plate. A mounting groove is formed in the upper end of the feeding cylinder; the plugging structure is located at the upper end of the feeding cylinder, and the plugging structure comprises a feeding plate, a first magnetic plate, a fixed shaft, a torsional spring, a second magnetic plate, a rotating plate and a pull rod; the shifting structure is located at the upper end of the plugging structure, and the shifting structure comprises a shifting plate, a moving plate, an extrusion groove, ...

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Номер записи: 10
19-01-2017 дата публикации

DEVICE FOR MEASURING CELL TRACTION FORCE, AND MEASURING METHOD AND PREPARATION METHOD

Номер: WO2017008699A1
Автор: LI, Zhou, JIN, Yiming, ZHANG, Yalan, ZHENG, Qiang, OUYANG, Han, WANG, Zhonglin
Принадлежит:

Disclosed are a device for measuring the cell traction force, and a measuring method and a preparation method, wherein the measuring device comprises: a substrate layer (3); a nanowire layer (1) located on the substrate layer (3), comprising nanowire arrays, wherein nanowires (11) can be bent under the effect of an external force; and a light-emitting layer (2), comprising luminous points (21) arranged on the end of each nanowire (11), and supporting the bending of the nanowire (11) of a supporting cell (4) to be tested, and driving the movement of the luminous point (21) on the end of nanowire (11) to produce the shifting displacement representing the cell (4) traction force after the cell (4) to be tested is arranged on the light-emitting layer (2). The device for measuring the cell traction force acquires the shifting displacement representing the cell (4) traction force in real time according to the movement situation of the luminous point (21) of the light-emitting layer (2), and has ...

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Номер записи: 11
11-05-2018 дата публикации

IMPLANTABLE FLEXIBLE PULSE GENERATOR

Номер: WO2018082593A1
Автор: LI, Zhou, ZHENG, Qiang, SHI, Bojing, LIU, Zhuo, JIN, Yiming, ZOU, Yang, OUYANG, Han, ZHAO, Luming
Принадлежит:

An implantable flexible pulse generator, comprising: an energy conversion unit (1), a power management unit (2), an energy storage unit (3), and an integrated circuit unit (4), these units being flexible structures, wherein the energy conversion unit (1) is used for converting an biomechanical energy of an implanted part into an electric energy; the power management unit (2) is used for converting the electric energy generated by the energy conversion unit (1) into stable electric energy applicable to be stored in the energy storage unit (3), receiving and processing a feedback signal from the integrated circuit unit (4) and monitoring the electric quantity of the energy storage unit (3), and controlling charging and discharging of the energy storage unit (3) according to the monitored condition; and the integrated circuit unit (4) is connected to the power management unit (2) for stimulating generation and amplification of pulse, and collecting, analyzing and feeding back related signals ...

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Номер записи: 12
23-05-2023 дата публикации

Road pavement friction online detection equipment

Номер: CN116148174A
Автор: CHENG CHUN, CHENG LEI, LI ZHOU, LUO WENLIANG, YANG RUI
Принадлежит:

The invention belongs to the technical field of road detection, and particularly relates to road surface friction online detection equipment which comprises test wheels, a vehicle body and a controller installed on the vehicle body, telescopic mechanisms are arranged on the two sides of the upper surface of the vehicle body respectively, and supporting frames are fixedly installed at the tops of the telescopic mechanisms. According to the road surface friction online detection equipment, by arranging the telescopic mechanism, the test wheel can be automatically lifted, manual operation is reduced, the detection efficiency is improved, rotation of an output shaft of a driving motor drives an adjusting screw rod to rotate, and rotation of the adjusting screw rod drives a convex sliding block to move along the inner wall of a limiting groove; the convex sliding block moves to drive the sliding rod to move along the inner wall of the sliding groove, the sliding rod moves to drive the shear ...

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Номер записи: 13
11-04-2023 дата публикации

Deep well hot water circulation heat preservation anti-freezing device in high altitude area

Номер: CN115949371A
Автор: WANG XIANG, LI ZHOU, HAN LONGWU, MI WEIJUN, LYU JINWU, JIA HAIFENG, LI YONGQIANG, WEI LIYUN, LONG YU, GAO LONG
Принадлежит:

The invention provides a deep well hot water circulation heat preservation anti-freezing device in a high-altitude area, belongs to the technical field of water well anti-freezing, and solves the technical problems that an existing well casing and a water outlet pipe in the high-altitude area are extremely easy to freeze and block and the like. The deep well hot water circulation heat preservation anti-freezing device in the high altitude area comprises a water well, an electric boiler and a tripod, a circulating water pipe is fixed to an inlet and an outlet of the electric boiler and located in the water well, a manual winch is arranged on the tripod, a steel wire rope is arranged on the manual winch and connected with the circulating water pipe through a connecting piece, and the circulating water pipe is of a U-shaped structure. And the U-shaped bent part of the circulating water pipe is connected with a stainless steel counterweight. The device has the advantage that efficient heat ...

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Номер записи: 14
16-05-2023 дата публикации

Ultra-short pulse fiber laser

Номер: CN116131077A
Автор: HU KAILIN, CAO TAO, CHEN KUN, LIU SHAOZHEN, XU QI, LI ZHOU, YAN XINYI, YANG LEYAN, LU KAIYI, PENG JIAHUI
Принадлежит:

The invention discloses an ultrashort pulse fiber laser. Comprising a non-linear amplification loop mirror which enables pulses which are oppositely transmitted in a loop to accumulate different phase shifts so as to form an intensity modulation mechanism for laser pulses in a cavity; the linear arm consists of an optical fiber device and a space optical element and is used for forming a resonant cavity and improving the self-mode-locking characteristic of the laser; and the output end is used for directly outputting the pulse. The ultrafast fiber laser provided by the invention is easy to package, good in mode-locked self-starting characteristic, not easy to damage the saturable absorber, high in laser damage threshold, small in size, simple and reliable in system and high in stability, and has the potential to be developed into a new generation of all-fiber ultrashort laser oscillators with excellent performance.

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Номер записи: 15
23-06-2023 дата публикации

Reinforcing steel bar detection integrated equipment

Номер: CN116296943A
Автор: CHENG CHUN, WANG ZHONG, LI ZHOU, LUO WENLIANG, YANG RUI
Принадлежит:

The invention belongs to the technical field of constructional engineering, and particularly relates to reinforcing steel bar detection integrated equipment which comprises an integrated base integrating all parts and a reinforcing steel bar body to be detected, and the upper surface of the front end of the integrated base is fixedly provided with a side roller conveying belt used for pushing the reinforcing steel bar body to move forwards horizontally. A clamping mechanism is arranged on one side of the side roller conveying belt, the clamping mechanism is arranged at two ends, a hardness detection mechanism is arranged between the clamping mechanism, and a bending resistance detection mechanism is arranged on one side of the clamping mechanism through the roller conveying belt on the other side. According to the reinforcing steel bar detection integrated equipment, a hydraulic machine on a supporting beam acts, a piston rod of the hydraulic machine pushes a cutting knife downwards, the ...

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Номер записи: 16
04-07-2023 дата публикации

Intelligent concrete detection equipment

Номер: CN116380661A
Автор: CHENG CHUN, LIU WENSHU, LI ZHOU, LUO WENLIANG, YANG RUI
Принадлежит:

The invention belongs to the technical field of concrete block detection, and particularly relates to intelligent concrete detection equipment which comprises a test bed, a mechanical arm and compressive strength detection equipment located on the test bed, a pressure bearing table is fixedly installed on the upper surface of the test bed, and the compressive strength detection equipment is located over the pressure bearing table; and a cleaning device is arranged on the outer surface of the pressure-bearing table. According to the intelligent concrete detection equipment, by arranging the cleaning device, in the using process, an electric telescopic rod drives a circular ring to move out of an annular shell, four fan-shaped sliding plates move upwards, meanwhile, a telescopic block is driven to stretch out and draw back, then two driving motors are synchronously started to drive a bidirectional lead screw and a bidirectional screw to rotate, and therefore four T-shaped sliding blocks are ...

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Номер записи: 17
09-06-2023 дата публикации

Infrared intelligent monitoring alarm device for construction site

Номер: CN116241758A
Автор: YANG HUA, YANG FAN, CHEN HUA, LI ZHOU
Принадлежит:

The infrared intelligent monitoring and alarming device comprises a supporting pipe and an intelligent monitoring and alarming assembly, a correcting rotating shaft is arranged in the supporting pipe, the two ends of the correcting rotating shaft extend to the two ends of the supporting pipe, and a driving part used for controlling the correcting rotating shaft to rotate and a single chip microcomputer assembly are arranged at the bottom of the supporting pipe. A supporting pipe is installed on a ground prefabricated foundation through a flange structure, an intelligent monitoring alarm assembly is installed at the top of the supporting pipe, an infrared monitoring camera and an alarm device are arranged on the intelligent monitoring alarm assembly, a correction rotating shaft is installed in the supporting pipe, and the two ends of the correction rotating shaft extend to the two ends of the supporting pipe. The correcting rotating shaft has the function of preventing the supporting pipe ...

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Номер записи: 18
27-07-2016 дата публикации

Small -size boiler water supplement structure

Номер: CN0205402675U
Автор: LI ZHOU, QIN LIU, QIN HEPING, YUAN ZUOBIN, XIE YAPENG
Принадлежит:

... 本实用新型公开了种小型锅炉补水结构，包括：控制器、锅炉内胆和水箱，以及与所述锅炉内胆和水箱均连通的补水泵；所述锅炉内胆内设置有模拟输出液位计，用于实时监测所述锅炉内胆内的水位并向所述控制器输出水位变化信号；所述水箱的上下两端分别通过通管道和电动阀与所述锅炉内胆连通，所述水箱内设置有浮球液位计；所述控制器用于根据所述模拟输出液位计输出的水位变化信号实时改变所述电动阀的开度，还用于在所述浮球液位计监测到所述水箱内的水位低于预设水位时，控制所述补水泵向所述水箱供水。本实用新型的小型锅炉补水结构，降低了补水对锅炉内部温度和压力的影响，提高了锅炉出蒸汽温度值的稳定程度。 ...

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Номер записи: 19
14-04-2023 дата публикации

Method for preparing alpha-monobromo-ketone from ketone compound

Номер: CN115959983A
Автор: YANG LU, LI ZHOU, LIU KAI, LI TAO, LIU HU, TANG JUN
Принадлежит:

The invention discloses a method for preparing alpha-monobromo-ketone from a ketone compound, which comprises the following steps: preparing a reaction container, introducing nitrogen for replacement, and adding ketone, water and protonic acid; adding dibromohydantoin into an adding container filled with dichloroethane, and pulping and dispersing; stirring in a reaction container, heating to 50 DEG C, and slowly adding dibromohydantoin and a dichloroethane solution into the reaction container by an adding container; after the addition is finished, stirring for 10 minutes as required until the color fades, stopping heating, and starting to cool until the temperature is 10 DEG C; adding sodium bicarbonate to neutralize until the pH is 6 or 7; treating to obtain an organic phase, adding anhydrous sodium sulfate, drying until the material is clear and transparent, and filtering out clear liquid; desolventizing under reduced pressure to obtain an alpha-monobromo-ketone crude product, and continuously ...

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Номер записи: 20
16-05-2023 дата публикации

Intelligent concrete vibrating operation robot for rail transit

Номер: CN116122089A
Автор: WANG HAO, LI HAIYUE, ZHANG JIANXIA, XU JIAN, HE CHUNJUN, LIU ZIYUAN, TANG BIN, HUANG ZHAO, LI ZHOU, XU WEI, XUAN GUORONG, CHEN HUAYIN, LIU HONGLIN, TAO FANGQING, WEI BENXUE
Принадлежит:

The rail transit concrete intelligent vibration operation robot comprises a main body frame, a first lifting module, an adjustable bottom plate assembly, a plurality of walking wheels, a monitoring sensor, a plurality of vibration lifting modules, a vibration rod, a vibration motor, a bulldozing lifting frame, a bulldozing frame and a push plate, and the push plate is located in front of the vibration rod; and a control module is further arranged in the main body frame, and the control module is electrically connected with the first lifting module, the adjustable bottom plate assembly, the vibrating lifting module, the vibrating motor and the monitoring sensor. The rail transit concrete intelligent vibration operation robot can walk automatically, can complete operation tasks such as concrete bulldozing and vibration for eliminating internal bubbles in a specified working range, and can monitor and avoid people or obstacles which hinder the robot from walking in the walking direction, so ...

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Номер записи: 21
27-07-2016 дата публикации

High -temperature steam's macromolecular material spraying plastics forming device

Номер: CN0205392795U
Автор: YUAN ZUOBIN, QIN LIU, ZHANG CONG, LI ZHOU, SHI HUAJIAN
Принадлежит:

... 本实用新型公开了种高温蒸汽的高分子材料喷塑成型装置，包括：移动机构，以及位于所述移动机构上方的枪体；所述枪体的进料端设置有反应内胆，出料端设置有喷头；所述移动机构上设置有蒸汽发生器、动力机构、送料机构，所述蒸汽发生器连通有蒸汽管，所述送料机构的输入端与所述动力机构连接，输出端连接有材料送入管，所述蒸汽管和所述材料送入管伸入所述反应内胆。本实用新型的种高温蒸汽的高分子材料喷塑成型装置，可以适应不同对象的喷塑需求，提高了材料利用率和生产效率以及喷塑作业的质量。 ...

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Номер записи: 22
02-06-2023 дата публикации

Cell electrotransformation instrument and cell electrotransformation method

Номер: CN116200263A
Автор: LUO DAN, LYU YUJIA, LYU JING, LI ZHOU, LIU BAOBAO, LI WENXUE, XU RUI
Принадлежит:

The invention provides a cell electrotransformation instrument and a cell electrotransformation method, which can be applied to the technical field of bioelectronics and the like and are used for solving the problem of low reliability of cell electrotransformation. The cell electrotransformation instrument is characterized in that a first electrode layer and a second electrode layer are attached to different surfaces of an insulating layer respectively, the insulating layer is provided with at least one hole, and cavities are formed by the surface, attached to the first electrode layer, of the hole and the surface, attached to the second electrode layer, of the hole; the first friction layer is adjacent to the first electrode layer, and the second friction layer is adjacent to the second electrode layer; the rotating device comprises a fixing assembly and a rotating assembly, the first electrode layer, the second electrode layer and the insulating layer are fixed to the fixing assembly, ...

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Номер записи: 23
22-08-2023 дата публикации

Method for preparing methyl ethyl phosphinic acid ethyl ester and methyl ethyl phosphinic acid aluminum salt

Номер: CN116621873A
Автор: ZHANG HUA, SICKEN MARTIN, WANG XINTAI, HORNSTEIN, OLIVER, LI ZHOU, LIU HU
Принадлежит:

The invention discloses a method for preparing methyl ethyl phosphinic acid ethyl ester and methyl ethyl phosphinic acid aluminum salt, and relates to the technical field of flame-retardant material production, diethyl methyl phosphite is rearranged to produce methyl ethyl phosphinic acid ethyl ester at the temperature of 120-150 DEG C and under the normal pressure by using a sulfonate organic small molecule catalyst, and the methyl ethyl phosphinic acid aluminum salt is used for preparing the methyl ethyl phosphinic acid ethyl ester and the methyl ethyl phosphinic acid aluminum salt. And reacting the obtained high-content methyl ethyl phosphinic acid ethyl ester with an aluminum sulfate solution, a zinc sulfate solution or a glufosinate-ammonium byproduct aluminum trichloride solution to prepare the green and environment-friendly dialkyl phosphinate halogen-free flame retardant with high phosphorus content and high limit oxygen index. According to the method, the yield is remarkably improved ...

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Номер записи: 24
07-07-2023 дата публикации

Measurement method for unbalanced tapping adjustment of arc suppression coil grounding transformer

Номер: CN116400260A
Автор: LI ZHOU, LI JIA, CHU ZIPING, LIU KUI, WANG SHAOLU, CHANG HAOTIAN, HONG HANLIN, WANG XINGCHEN, LIU YI, WANG YU, LIU LUJIANG
Принадлежит:

The invention discloses a measuring method for unbalanced tapping adjustment of a grounding transformer of an arc suppression coil. The measuring method comprises the following steps: measuring a neutral point voltage of the grounding transformer; measuring a three-phase capacitance value and a total capacitance value to ground of the grounding transformer; inquiring to obtain a reactance value, an inductance value and a damping resistance value of the arc suppression coil; calculating a first displacement voltage at the connection adjustment position when the arc suppression coil and the grounding transformer are connected in series; calculating a second displacement voltage at the connection adjustment position when the arc suppression coil and the grounding transformer are connected in parallel; according to the first displacement voltage, whether a tapping tap of the grounding transformer meets the compensation range of the arc suppression coil when the arc suppression coil is connected ...

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Номер записи: 25