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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 15. Отображено 15.
04-12-2013 дата публикации

Deep soil sampler

Номер: CN103424280A
Автор: Liu Dawen, Li Xiuqiang, Chu Yafei, Hu Yi, Luo Yonggang, Bi Jin, Mao Yu, Li Jian, Ling Yun
Принадлежит:

The invention provides a deep soil sampler, which comprises a fixed support, wherein a multi-stage hydraulic cylinder is inversely mounted on the fixed support; the cylinder bottom of the multi-stage hydraulic cylinder is fixed onto the fixed bracket; a piston rod of the multi-stage hydraulic cylinder is connected with a sampling rod; the head part of the sampling rod takes the shape of a sharp corner; a group of sampling tanks is uniformly distributed on the sampling rod; a cover plate is arranged on each sampling tank; the cover plates are connected together via pull rods; cover plate slide rails are arranged on the sampling rod. According to the invention, the multi-stage hydraulic cylinder directly drives the sampling rod to stretch under the ground for sampling, so that deep excavation is not required, less damage is caused to the land vegetation, sampling operation is convenient, and time and labor are saved.

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Номер записи: 1
19-09-2012 дата публикации

Spraying device of magnetic powder flaw defector

Номер: CN102680566A
Автор: Ling Yun, Hu Jiafu, Chen Zhaofang, Wei Zhizhong, Liu Dawen, Li Xiuqiang
Принадлежит:

The invention provides a spraying device of a magnetic powder flaw defector. In the magnetic powder flaw defection, small defects will be missed for defection if concentration of a magnetic suspension is too low; contrast will be reduced if the concentration is too high, the concentration of the magnetic suspension will be reduced gradually due to reasons of magnetic powder precipitation, absorption by containers and the like in the detection process, and further the accuracy of magnetic powder flaw defection results is affected. The spraying device comprises a suspension collecting tank (1). A sealing box (2) is mounted in the suspension collecting pool , a motor (3) is mounted in the sealing box, power output shafts (4) are arranged on the upper side and the lower side of the motor respectively, a group of impellers (5) are mounted on the power output shafts on the upper side of the motor, a group of reversion water wheels (6) are mounted on the power output shafts on the lower side of ...

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Номер записи: 2
04-12-2013 дата публикации

Non-methane total hydrocarbon sample collection device for ambient air

Номер: CN103424290A
Автор: Liu Dawen, Li Xiuqiang, Chu Yafei, Hu Yi, Luo Yonggang, Bi Jin, Mao Yu, Li Jian, Ling Yun
Принадлежит:

The invention provides a non-methane total hydrocarbon sample collection device for ambient air. The device comprises an upper box body and a lower box body, and is characterized in that ice bags made of rigid materials are arranged inside the upper box body and the lower box body respectively; syringe placing grooves are formed in each ice bag; a syringe is arranged inside each syringe placing groove; a positioning device is arranged on each syringe placing groove; insulating layers are arranged inside the upper box body and the lower box body respectively; a seal ring is arranged between the upper box body and the lower box body. According to the invention, the phenomenon that air in the glass syringe can permeate into substances in a rubber cap under high temperature to have influence on an analysis result can be avoided in virtue of the arranged ice bags made of rigid materials; the syringe placing grooves formed in the ice bags can be used for placing the syringes in a separated manner ...

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Номер записи: 3
04-12-2013 дата публикации

Portable collecting device for non-methane total hydrocarbon sample in ambient air

Номер: CN103424287A
Автор: Liu Dawen, Li Xiuqiang, Chu Yafei, Hu Yi, Luo Yonggang, Bi Jin, Mao Yu, Li Jian, Ling Yun
Принадлежит:

The invention provides a portable collecting device for non-methane total hydrocarbon samples in ambient air. The device includes a box body, which is characterized in that straps are arranged on the box body; a thermal insulating layer is arranged inside the box body; the box body is divided into an unsampled injector storing chamber and a sampled injector storing chamber through a partition in the middle; ice bags are arranged inside the unsampled injector storing chamber and the sampled injector storing chamber respectively; an opening is formed in the box body corresponding to the upper part of the sampled injector storing chamber; an upper cover plate is arranged on the opening; an outlet is formed in the box body corresponding to the lower part of the unsampled injector storing chamber; and a lower cover plate is arranged on the outlet. The portable collecting device enables the taking to be convenient, avoids mixing as sorted storage is adopted, and is portable and not influenced ...

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Номер записи: 4
26-09-2012 дата публикации

Automatic production equipment for manufacturing copper nickel nano-alloy

Номер: CN102689017A
Автор: Ling Yun, Hu Jiafu, Chen Zhaofang, Wei Zhizhong, Liu Dawen, Li Xiuqiang
Принадлежит:

The invention provides automatic production equipment for manufacturing copper nickel nano-alloy. At present, it is general for a liquid phase method to be used in a laboratory for reducing divalent copper and nickel salt, with propylene glycol as reducer, to synthesize copper nickel alloy crystalline nano-particles, but the liquid phase method is unsuitable for mass production and low in automation degree. The equipment provided by the invention comprises a reaction kettle, a feeding machine (1) and a gas charging pipe (2) are mounted on the top of the reaction kettle, a feeding metering device (3) is mounted below the feeding machine, the gas charging pipe is connected with a compressed nitrogen gas tank (5) via a solenoid valve (4), the reaction kettle is connected with a reflow pipe (6) and a precipitation cylinder (7), the precipitation cylinder is connected with a centrifugal separator (8), the centrifugal separator is connected with a vacuum drier (9), and the metering device and ...

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Номер записи: 5
04-12-2013 дата публикации

High temperature flue sampling device

Номер: CN103424289A
Автор: Liu Dawen, Li Xiuqiang, Chu Yafei, Hu Yi, Luo Yonggang, Bi Jin, Mao Yu, Li Jian, Ling Yun
Принадлежит:

The invention provides a high temperature flue sampling device, which includes a bypass pipeline connected with a high temperature flue, wherein the bypass pipeline is connected with an induced draft fan; an electrically operated valve is mounted on the bypass pipeline; a sampling pipe is mounted on the bypass pipeline through a support frame, and is connected with a sucking pump; the sucking pump is connected with an analyzer; the induced draft fan, the electrically operated valve and the sucking pump are all connected with a timing controller. According to the invention, as high temperature flue gas can be introduced downwards, high-lift operation is changed into ground operation, potential safety hazard in high-lift operation is avoided; moreover, the timing controller is adopted to control the induced draft fan to be started in a timing manner, and the electrically operated valve is opened, so that flue gas in a high temperature flue can be introduced in the bypass pipeline, and the ...

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Номер записи: 6
03-10-2012 дата публикации

Immersive coil type heat-exchanger

Номер: CN102706180A
Автор: Ling Yun, Hu Jiafu, Chen Zhaofang, Wei Zhizhong, Liu Dawen, Li Xiuqiang
Принадлежит:

The invention discloses an immersive coil heat-exchanger which comprises a heat exchange tube. A liquid baffle ring inclining towards the same direction is arranged on the inner wall of the heat exchange tube; the heat exchange tube is coiled in a ring shape; the liquid baffle ring is circularly arranged on the inner wall of the heat exchange tube; the liquid baffle ring is spirally arranged on the inner wall of the heat exchange tube, and the height of the liquid baffle ring is 1/5 of the inner diameter of the heat exchange tube. The immersive coil heat-exchanger can continuously change the fluid flow direction in the heat exchange tube, so that the liquid can uniformly contact the heat exchange tube, and meanwhile, the retention period of liquid in the heat exchange tube is prolonged, and the heat exchange efficiency is also improved.

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Номер записи: 7
04-07-2012 дата публикации

Method for designing fixed-line function in 3G (The 3rd Generation Telecommunication) router

Номер: CN102548054A
Автор: Liu Yaliang, Liu Dawen, Zheng Kelong
Принадлежит:

The invention discloses a method for designing a fixed-line function in a 3G (The 3rd Generation Telecommunication) router. A USB (Universal Serial Bus) is virtually provided with four ports of a diagnose port, a voice frequency port, a Modem port and an AT port through a built-in software by a 3G module unit, voice data of the voice frequency port can be stored by a main processor unit through a USB port extension unit, after the voice data is subjected to echo cancellation in the main processor unit, and a PCM (Pulse-code Modulation) voice data stream can be switched into two signals of simulating a two-line PSTN (Public Switched Telephone Network) for driving a simulation telephone so as to realize the function of dialing through a 3G network. When different 3G operators are selected by a user, a 3G module with a standard MINI-PCIe (MINI-Peripheral Component Interface Express) interface can be conveniently replaced, and thus, the fixed-line function in the router under the 3G network ...

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Номер записи: 8
01-01-2014 дата публикации

Nitrogen blowing instrument with variable gas supply rate

Номер: CN103487314A
Автор: Liu Dawen, Li Xiuqiang, Chu Yafei, Hu Yi, Luo Yonggang, Bi Jin, Mao Yu, Li Jian, Ling Yun
Принадлежит:

The invention relates to a nitrogen blowing instrument with a variable gas supply rate. The nitrogen blowing instrument comprises a base, a bracket, a gas supply device and sample fixing devices, and is characterized in that the gas supply device comprises a nitrogen generator which is connected with a gas guide tube, the gas guide tube is fixed on the bracket and extends to form a plurality of branches, and gas spraying devices are arranged at the tail ends of the branches; the gas spraying devices are in one-to-one correspondence to the sample fixing devices; an inlet gas adjusting valve is arranged in the front section of each gas spraying device and comprises a round piece with the diameter same as that of each gas supplying branch and a rotating shaft arranged on a middle axis of the round piece; and rotary switches are arranged at two ends of each rotating shaft and controlled to be switched on or off by gas supplying switches. According to the nitrogen blowing instrument adopting ...

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Номер записи: 9
04-12-2013 дата публикации

Flue sampling device for corrosive gas

Номер: CN103424288A
Автор: Liu Dawen, Li Xiuqiang, Chu Yafei, Hu Yi, Luo Yonggang, Bi Jin, Mao Yu, Li Jian, Ling Yun
Принадлежит:

The invention provides a flue sampling device for corrosive gas. The flue sampling device comprises a sampling pipe connected with a high-temperature flue and a buffer tank, wherein the buffer tank is a seal tank; a piston is arranged in the middle of the buffer tank; the sampling pipe stretches into the buffer tank and is positioned above the piston; an extraction pipe stretches into the buffer tank and penetrates through the piston to enter into the lower part of the piston; the extraction pipe is connected with an air extracting pump; a detection pipe stretches into the buffer tank, is positioned above the piston and is connected with a detection instrument; a one-way air inlet valve is mounted on the detection pipe; a one-way air outlet valve is mounted on the sampling pipe. According to the invention, corrosion of the to-be-detected corrosive gas to the air extracting pump is avoided, and the service life of the air extracting pump is prolonged.

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Номер записи: 10
25-12-2013 дата публикации

Electronic analytical balance capable of conducting horizontal calibration

Номер: CN103471697A
Автор: Liu Dawen, Li Xiuqiang, Chu Yafei, Hu Yi, Luo Yonggang, Bi Jin, Mao Yu, Li Jian, Ling Yun
Принадлежит:

The invention relates to an electronic analytical balance capable of conducting horizontal calibration. The electronic analytical balance comprises a measurement base and a measurement chamber arranged on the measurement base, wherein the measurement base comprises a control panel, a display screen and a measurement platform arranged on the upper surface of the measurement base, the measurement chamber comprises a glass face plate and a frontward-opened door, at least three supports which are independent of one another are arranged below the measurement base, each support can be stretched out and drawn back, a level gauge is arranged on the measurement base, alcohol is filled into a level tube, a bubble is contained in the level tube, and markings are marked on the surface of the level tube. The technical scheme is adopted for the electronic analytical balance, therefore, the balance can be in the horizontal state in each time of measurement, measurement errors are reduced, and the aim ...

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Номер записи: 11
22-08-2012 дата публикации

Metal winding gasket

Номер: CN102644738A
Автор: Ling Yun, Hu Jiafu, Chen Zhaofang, Wei Zhizhong, Liu Dawen, Li Xiuqiang
Принадлежит:

A metal winding gasket relates to a double fixing sealing gasket and is formed by an inner fixing ring, a seal ring and an outer fixing ring. The seal ring is a ring-shaped member formed by metal strips and non-metal strips, and the metal strips and the non-metal strips are arranged alternately. The metal winding gasket is characterized in that the metal strips and the non-metal strips are W-shaped. The metal winding gasket has enough strength, can hardly generate large expansion and shrinkage, is excellent in corrosion-resistant performance and cannot be damaged easily, and more importantly, the metal winding gasket is strong in recovery, resilience and anti-pressing capability.

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Номер записи: 12
01-01-2014 дата публикации

Electronic analytical balance capable of conducting self-cleaning

Номер: CN103487128A
Автор: Liu Dawen, Li Xiuqiang, Chu Yafei, Hu Yi, Luo Yonggang, Bi Jin, Mao Yu, Li Jian, Ling Yun
Принадлежит:

The invention relates to an electronic analytical balance capable of conducting self-cleaning. The electronic analytical balance capable of conducting self-cleaning comprises a measuring pedestal and a measuring room arranged on the measuring pedestal, and further comprises a cleaning room also arranged on the measuring pedestal; the cleaning room is composed of an ultrasonic cleaning device and a drying device; the ultrasonic cleaning device is composed of an ultrasonic generator, an ultrasonic transducer and a detergent spraying device; the drying device is arranged in the measuring room, wherein the drying device comprises an electric heating tube; the electric heating tube extends from the cleaning room into the measuring room. According to the technical scheme, the effect that a measuring table of the electronic analytical balance and the surface of an object to be measured do not have dirt is ensured, so that a more accurate measuring result can be obtained; meanwhile, the electric ...

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Номер записи: 13
26-09-2012 дата публикации

Automatic control multifunctional reactor

Номер: CN102688740A
Автор: Ling Yun, Hu Jiafu, Chen Zhaofang, Wei Zhizhong, Liu Dawen, Li Xiuqiang
Принадлежит:

The invention provides an automatic control multifunctional reactor. An existing reactor adopts a mechanical stirring mode inside the tank to promote liquid flow, and is unsuitable for reaction where requirements for reaction environment are strict. The reactor provided by the invention comprises a bracket (1), a vibration exciter disc (3) is connected on the bracket via a group of springs (2), a vibration exciter motor seat support (4) is connected below the vibration exciter disc, a reaction tank is mounted on the vibration exciter disc, a shell tube heat exchanger (6) is mounted on the tank wall of the reaction tank, a temperature sensor (7) and a pH sensor (8) are separately mounted on the reaction tank, the reaction tank has a gas inlet (9), a gas outlet (10) and a feed inlet (11), a meter (13) and a solenoid valve (14) are mounted at the feed inlet, and the temperature sensor, the pH sensor, the meter and the solenoid valve are all connected with a controller (15). The reactor disclosed ...

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Номер записи: 14
05-09-2012 дата публикации

Double-pipe heat exchanger

Номер: CN102654367A
Автор: Ling Yun, Hu Jiafu, Chen Zhaofang, Wei Zhizhong, Liu Dawen, Li Xiuqiang
Принадлежит:

The invention relates to a double-pipe heat exchanger, comprising a support and an outer-layer sleeve, wherein the outer-layer sleeve is fixed on the support, an inner-layer pipe is arranged in the outer-layer sleeve and is concentric with the outer-layer sleeve, adjacent parallel sleeves are connected by back bending pipes arranged at the end parts of the sleeves, the inner-layer pipe is provided with a liquid inlet I and a liquid outlet I, and the outer-layer sleeve is provided with a liquid inlet II and a liquid outlet II; and each back bending pipe comprises an inner layer and an outer layer, the inner layer is communicated with the inner-layer pipe, and the outer layer is communicated with the outer-layer sleeve. The double-pipe heat exchanger disclosed by the invention has a simple structure, can bear high pressure and can regulate the flow speed of a fluid by suitably selecting inner and outer diameters of pipes, the heat transfer area can be increased or reduced as required, and ...

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Номер записи: 15