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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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Применить Всего найдено 11. Отображено 11.
20-04-2011 дата публикации

Cleaning technology for stainless steel packing of cold accumulator

Номер: CN0101469430B
Автор: XU GUOTAI, YAN CHUNJIE, HUO YINGJIE, WANG TIANGANG, GUOTAI XU, CHUNJIE YAN, YINGJIE HUO, TIANGANG WANG
Принадлежит:

The invention provides a method for cleaning stainless steel helices of a regenerator of a refrigerating apparatus, in particular a method for cleaning the stainless steel helices of a regenerator of a Stirling refrigerating apparatus. The method is also used for cleaning a microscreen and a micro-mesh sheet made of stainless steel, and belongs to the field of cleaning apparatus. The method comprises: deoiling, dewatering and performing surface passivation to stainless steel helices after cleaning the stainless steel helices of the refrigerating apparatus according to certain cleaning flow; meanwhile, reducing the tiny impurities in the millipores of the helices to guarantee high cleaning degree of the helices and meet the use requirement of the refrigerating apparatus. The method greatly reduces the adhered impurities in the millipores of the stainless steel helices of the regenerator, effectively improves the cleaning degree of the helices, guarantees high reliability of the operation ...

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Номер записи: 1
05-08-2009 дата публикации

Two-wheel speedometer

Номер: CN0101498737A
Автор: SHI ZHIXING, FENG JUAN, WANG TIANGANG, ZHIXING SHI, JUAN FENG, TIANGANG WANG
Принадлежит:

The invention discloses a double-wheel knotmeter for measuring the advance speed of tractors and agricultural machinery under the condition of unlevel farmlands. The double-wheel knotmeter comprises two tachometer wheels with same specifications; two revolution speed transducers with same specifications are respectively installed on one end of each wheel shaft of each tachometer wheel; the two tachometer wheels are symmetrically installed on a rigid frame with a longer distance, so the deadweight of the frame is evenly distributed to the two tachometer wheels to be used as pressure for touching the ground; and an instrument retaining plate is arranged on the rigid frame and fixed with an MCU speed measuring system. A programme controller continuously detects the information of the revolution speed transducers arranged on the wheel shafts of the two wheels in real time, a measuring speed is obtained by accounting, comparing, optimizing and calculating, and the measured result is directly ...

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Номер записи: 2
30-06-2010 дата публикации

Method for reducing axial conduction of cool storage material of heat regenerator of regenerative cryo refrigerator

Номер: CN0101762119A
Автор: HUO YINGJIE, WANG TIANGANG, XU GUOTAI, YAN CHUNJIE, YINGJIE HUO, TIANGANG WANG, GUOTAI XU, CHUNJIE YAN
Принадлежит:

The invention relates to a method for reducing axial conduction of a cool storage material of a heat regenerator of a regenerative cryo refrigerator. When filling the cool storage material of the heat regenerator of the refrigerator, heat barriers made of the heat-insulating material are placed in a barrel of the heat regenerator at certain distance intervals, the cool storage material of the heat regenerator is separated into several thermally-unconnected sections, the middle part of each heat barrier is provided with small holes distributed evenly and densely, which has no influence on the reciprocal flow of the working medium in the heat regenerator, and the local part of each heat barrier is provided with small holes arranged regularly, which facilitates the heat exchange of the working medium and the cool storage material. The heat resistance of the heat barrier is more than 40 times of the heat resistance of the cool storage material of the heat regenerator having the same thickness ...

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Номер записи: 3
29-06-2011 дата публикации

Method for reclaiming fluoride in Antarctic krill and preparing low-fluorine krill meal

Номер: CN0102106493A
Автор: WEI MA, ZHIMIN WU, ZIHONG CHENG, TENGFEI LV, TIANGANG WANG, MA WEI, WU ZHIMIN, CHENG ZIHONG, LV TENGFEI, WANG TIANGANG
Принадлежит:

The invention belongs to the fields of resource reclamation and food safety, and relates to a method for reclaiming fluoride in Antarctic krill and preparing low-fluorine krill meal. The method comprises the following steps of: cleaning the Antarctic krill, crushing and pulping, performing filtration to remove solid impurities so as to obtain Antarctic krill homogenate, regulating the acidity by using strong acid, and performing reduced pressure evaporation; and performing conventional distillation and purification on the obtained condensate, reclaiming fluorocarboxylic acid, and absorbing non-condensable gas by using alkali solution. The method can prepare the low-fluorine krill meal, the fluorine content of the krill meal is less than 2mg/kg, and the yield of the krill meal is over 90 percent. The flow is simple, harmful chemical reagents are not added, the process is environmentally-friendly, and the low-fluorine krill meal reaching the pollution-free food standard can be prepared and ...

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Номер записи: 4
12-08-2009 дата публикации

Microscopic thin film material mechanics dual-spindle testing bench

Номер: CN0101504342A
Автор: DUAN ZHENG, WANG TIANGANG, NIU LISHA, SHI HUIJI, ZHENG DUAN, TIANGANG WANG, LISHA NIU, HUIJI SHI
Принадлежит:

The invention belongs to the field of material mechanics testing equipment and in particular relates to a test bed for a biaxial test of microcosmic film material mechanics. The test bed has the following structure that: the sidewall of a rectangular box body is provided with two screw rods of which different surfaces are vertical with each other; two sides of each screw rod are provided with a guide rail parallel to the screw rod respectively; two ends of the screw rod pass through the sidewall of the box body; one end of the screw rod is fixed by double nuts; the other end of the screw rod is provided with a handwheel; two slide blocks are arranged on each screw rod respectively; and each slide block is connected with a clamp through a force sensor. The test bed can apply different biaxial stress on a film material, can be placed in a temperature box to research the mechanical behavior of the film material at different temperatures and has a simple structure and convenient use.

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Номер записи: 5
01-07-2009 дата публикации

Cleaning technology for stainless steel packing of cold accumulator

Номер: CN0101469430A
Автор: TIANGANG WANG, CHUNJIE YAN, GUOTAI XU, YINGJIE HUO, WANG TIANGANG, YAN CHUNJIE, XU GUOTAI, HUO YINGJIE
Принадлежит:

The invention provides a technique for cleaning stainless steel helices of a regenerator of a refrigerating apparatus, in particular a technique for cleaning the stainless steel helices of a regenerator of a Stirling refrigerating apparatus. The technique is also used for cleaning a microscreen and a micro-mesh sheet made of stainless steel, and belongs to the field of cleaning apparatus. The technique comprises: deoiling, dewatering and performing surface passivation to stainless steel helices after cleaning the stainless steel helices of the refrigerating apparatus according to certain cleaning flow; meanwhile, reducing the tiny impurities in the millipores of the helices to guarantee high cleaning degree of the helices and meet the use requirement of the refrigerating apparatus. The technique greatly reduces the adhered impurities in the millipores of the stainless steel helices of the regenerator, effectively improves the cleaning degree of the helices, guarantees high reliability of ...

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Номер записи: 6
01-07-2009 дата публикации

Composite welding scheme between dissimilar metal materials

Номер: CN0101468431A
Автор: GUOTAI XU, CHUNJIE YAN, YINGJIE HUO, ZHENGGANG CHEN, TIANGANG WANG, YANPIN PAN, XU GUOTAI, YAN CHUNJIE, HUO YINGJIE, CHEN ZHENGGANG, WANG TIANGANG, PAN YANPIN
Принадлежит:

The invention relates to a composite welding proposal for different materials, in particular to composite welding for different materials between a cold finger of an expansion machine and a cold cap in a Stirling refrigerator, which belongs to the field of machinery. The welding proposal is realized by combining electron beam welding with laser welding. The oxygen-free copper cold cap is firstly connected with a transitional material into a whole by utilizing an electron beam welding mode, and then the laser welding is utilized to weld the cold cap with a thin-walled tube of the cold finger of the expansion machine after finish processing. The invention solves the difficult problem of welding different materials between the cold cap and the cold finger of the expansion machine and has the advantages of small deformation of welding seams, low structural leak rate and prolonged service life of the refrigerator. Likewise, the welding proposal can be applied to other similar occasions in the ...

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Номер записи: 7
30-03-2011 дата публикации

Composite welding scheme between dissimilar metal materials

Номер: CN0101468431B
Автор: YINGJIE HUO, CHUNJIE YAN, TIANGANG WANG, GUOTAI XU, YANPIN PAN, ZHENGGANG CHEN, HUO YINGJIE, YAN CHUNJIE, WANG TIANGANG, XU GUOTAI, PAN YANPIN, CHEN ZHENGGANG
Принадлежит:

The invention relates to a composite welding proposal for different materials, in particular to composite welding for different materials between a cold finger of an expansion machine and a cold cap in a Stirling refrigerator, which belongs to the field of machinery. The welding proposal is realized by combining electron beam welding with laser welding. The oxygen-free copper cold cap is firstly connected with a transitional material into a whole by utilizing an electron beam welding mode, and then the laser welding is utilized to weld the cold cap with a thin-walled tube of the cold finger of the expansion machine after finish processing. The invention solves the difficult problem of welding different materials between the cold cap and the cold finger of the expansion machine and has theadvantages of small deformation of welding seams, low structural leak rate and prolonged service life of the refrigerator. Likewise, the welding proposal can be applied to other similar occasions in the ...

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Номер записи: 8
01-07-2009 дата публикации

Flat spring box component

Номер: CN0101469691A
Автор: ZHENGGANG CHEN, YANPIN PAN, GUOTAI XU, TIANGANG WANG, CHUNJIE YAN, YINGJIE HUO, CHEN ZHENGGANG, PAN YANPIN, XU GUOTAI, WANG TIANGANG, YAN CHUNJIE, HUO YINGJIE
Принадлежит:

The present invention relates to a plate spring box component which includes a inner pressure ring, a external pressure ring, a inner mantle ring, a outer mantle ring, a plate spring and screws; the inner pressure ring is in pair in annular structure, one is provided with counter bore, the other is provided with tapping, and they are mounted on the inner circle of the plate spring respectively; the external pressure ring is in pair in annular structure, one is provided with counter bore, the other is provided with tapping, and they are mounted on the outer circle of the plate spring respectively; the inner mantle ring is in annular structure with a through hole on the ring and mounted between two plate springs; the outer mantle ring is in annular structure with a through hole on the ring and mounted between two plate springs; the above parts are connected through screws or rivets. Advantages of the invention are as following: a. accuracy and geometric tolerance of inner hole, outer hole ...

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Номер записи: 9
30-03-2011 дата публикации

Microscopic thin film material mechanics dual-spindle testing bench

Номер: CN0101504342B
Автор: DUAN ZHENG, WANG TIANGANG, SHI HUIJI, NIU LISHA, ZHENG DUAN, TIANGANG WANG, HUIJI SHI, LISHA NIU
Принадлежит:

The invention belongs to the field of material mechanics testing equipment and in particular relates to a test bed for a biaxial test of microcosmic film material mechanics. The test bed has the following structure that: the sidewall of a rectangular box body is provided with two screw rods of which different surfaces are vertical with each other; two sides of each screw rod are provided with a guide rail parallel to the screw rod respectively; two ends of the screw rod pass through the sidewall of the box body; one end of the screw rod is fixed by double nuts; the other end of the screw rod is provided with a handwheel; two slide blocks are arranged on each screw rod respectively; and each slide block is connected with a clamp through a force sensor. The test bed can apply different biaxial stress on a film material, can be placed in a temperature box to research the mechanical behavior of the film material at different temperatures and has a simple structure and convenient use.

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Номер записи: 10
25-01-2012 дата публикации

Two-wheel speedometer

Номер: CN0101498737B
Автор: WANG TIANGANG, SHI ZHIXING, FENG JUAN, TIANGANG WANG, ZHIXING SHI, JUAN FENG
Принадлежит:

The invention discloses a double-wheel knotmeter for measuring the advance speed of tractors and agricultural machinery under the condition of unlevel farmlands. The double-wheel knotmeter comprises two tachometer wheels with same specifications; two revolution speed transducers with same specifications are respectively installed on one end of each wheel shaft of each tachometer wheel; the two tachometer wheels are symmetrically installed on a rigid frame with a longer distance, so the deadweight of the frame is evenly distributed to the two tachometer wheels to be used as pressure for touching the ground; and an instrument retaining plate is arranged on the rigid frame and fixed with an MCU speed measuring system. A programme controller continuously detects the information of the revolution speed transducers arranged on the wheel shafts of the two wheels in real time, a measuring speed is obtained by accounting, comparing, optimizing and calculating, and the measured result is directly ...

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Номер записи: 11