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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 7. Отображено 7.
02-04-2014 дата публикации

Inspection device for precision measurement for depth of blind hole in micro dimension

Номер: CN103697797A
Автор: ZHOU ZHENGCUN, DU JIE, YAN YONGJIAN, YANG HONG, GU SUYI
Принадлежит:

The invention discloses an inspection device for precision measurement for the depth of a blind hole in a micro dimension. The inspection device comprises a dial indicator, a locating block, a protective jacket, a detecting pin and a measuring contact, wherein a sleeve and a measuring rod are arranged below the dial indicator, a dial indicator mounting hole is formed in the center of the locating block, the side face of the locating block is provided with a threaded hole communicated with the dial indicator mounting hole, a dial indicator fastening bolt is arranged in the threaded hole, the protective jacket is fixedly arranged below the locating block, the axis of the protective jacket and the axis of the dial indicator mounting hole in the locating block are positioned on the same straight line, the inner wall of the lower end of the protective jacket is provided with internal threads, a thread sleeve is fixedly arranged in the protective jacket, the sleeve and the measuring rod below ...

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Номер записи: 1
26-03-2014 дата публикации

Rapid quenching tube type heating furnace having protecting atmosphere in laboratory

Номер: CN103673611A
Автор: ZHOU ZHENGCUN, DU JIE, YAN YONGJIAN, YANG HONG, GU SUYI
Принадлежит:

The invention discloses a rapid quenching tube type heating furnace having a protecting atmosphere in a laboratory. The rapid quenching tube type heating furnace comprises a furnace shell, a heating and heat insulating mechanism and a sealing mechanism, wherein the heating and heat insulating mechanism is arranged inside the furnace shell; the furnace shell comprises a shell tube, a right end cover, a left end flange tube, a rectangular flange tube, a lower sealing tube and a vacuum chamber shell tube, wherein the vacuum chamber shell tube is welded on the shell tube, and a vacuum chamber is formed between the inner wall of the vacuum chamber shell tube and the outer wall of the furnace shell; the right end cover and the left end flange tube are respectively welded on two ends of the shell tube; the lower sealing tube is welded on the lower side of the shell tube and is close to the right end cover; the rectangular flange tube is welded on the right end cover, and the rectangular flange ...

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Номер записи: 2
04-05-2011 дата публикации

Porous titanium niobium alloy and preparation method thereof

Номер: CN0102041410A
Автор: ZHENGCUN ZHOU, JIANYU XIONG, JIE DU, SUYI GU, ZHOU ZHENGCUN, XIONG JIANYU, DU JIE, GU SUYI
Принадлежит:

The invention discloses a porous titanium (Ti) niobium (Nb) alloy and a preparation method thereof. The titanium niobium alloy comprises the following components in percentage by weight: 35 percent of Nb and the balance of Ti; and the preparation method comprises the following steps of: (1) selecting Ti and Nb with the purity of 99.9 percent and taking spherical urea as a foaming agent; (2) weighing 65 percent of Ti powder and 35 percent of Nb powder; (3) filling the weighed raw materials in a ball-milling tank, introducing argon gas for protection and uniformly mixing; (4) mixing the powder, taking the powder out, putting into a container, adding urea which is 25 to 62.5 percent of the weight of the Ti and Nb powder, and uniformly mixing; (5) pouring the mixed powder in the step (4) into a mold, pressing under the pressure of 200MPa by using a press and keeping the pressure for 5 minutes; and (6) taking the pressed sample out, putting into a drying oven at the temperature of 170 DEG C, ...

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Номер записи: 3
02-04-2014 дата публикации

Sample heating device for low-frequency internal friction measurement

Номер: CN103697697A
Автор: ZHOU ZHENGCUN, DU JIE, YAN YONGJIAN, GU SUYI, YANG HONG
Принадлежит:

The invention discloses a sample heating device, a furnace jacket and a heating furnace main structure for low-frequency internal friction measurement. The heating furnace main structure is mounted in the furnace jacket and comprises a supporting rod set, a furnace and a binding post component. The supporting rod set is vertically fixed in an inner cavity of the furnace jacket through an intermediate plate at the top of the furnace jacket. The furnace is in sliding fit with the supporting rod set through a guide block component. Power connection can be realized by the binding post component arranged at the bottom of the furnace. The binding post component comprises a furnace bottom binding post and a wire inlet binding post. Through the mode, samples can be heated to high temperature for internal friction measurement; the heating device is high in heat transfer speed, simple in structure and low in production cost; the heating furnace is easy to demount, so that replacement of the samples ...

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Номер записи: 4
09-07-2014 дата публикации

Method for fabricating gradient ultra-fine metal grains

Номер: CN103911500A
Автор: ZHOU ZHENGCUN, YANG DENGKE, DU JIE, YAN YONGJIAN, YANG HONG, GU SUYI
Принадлежит:

The invention discloses a method for fabricating gradient ultra-fine metal grains. The ultra-fine metal grains in weak gradient distribution from the surface to the heart part are obtained in manners of liquid nitrogen cooling and gradually rolling, and then surface mechanical attrition treatment is carried out; the grains are further increased from the metal surface to the internal part in a gradient manner; and the ultra-fine metal grains in strong gradient distribution are finally obtained, so that the metal has high strength, high toughness and corrosion resistance, and excellent work hardening properties. The grains fabricated by the fabrication method are stable in quality, and simultaneously low in cost.

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Номер записи: 5
16-07-2014 дата публикации

Binder for powder injection molding and binder feeding, preparing and removing method

Номер: CN103920882A
Автор: ZHANG YIPING, ZHU XUECHAO, ZHOU ZHENGCUN, SUN CHUNHUA
Принадлежит:

The invention discloses a binder for powder injection molding and a binder feeding, preparing and removing method, and belongs to the technical field of powder metallurgy. The binder comprises, by mass, 20-49% of carnauba wax, 50-70% of naphthalene and 1-10% of stearic acid. The binder feeding, preparing and removing method includes feeding 8-13% of binders and 87-92% of metal or ceramic powder into a mixer to heat and stir, cooling and smashing the mixture after the mixture is discharged from the mixer, and conveying the mixture to a screw extruder for extrusion to obtain feed; feeding the feed into an injection molding machine for injection molding; feeding injection-molded blanks into a dryer to remove the naphthalene to acquire an injection-molded metal workpiece or ceramic workpiece subjected to naphthalene removal, and removing residual binders by thermal debinding. The types of raw materials used according to a formula are few and simple, the binder is applicable to the metal or ...

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Номер записи: 6
31-12-2014 дата публикации

Vibration reduction and leveling support suitable for low-frequency mechanical spectrometer

Номер: CN104251368A
Автор: DU JIE, ZHOU ZHENGCUN, ZHAO HAIYAN
Принадлежит:

The invention discloses a vibration reduction and leveling support suitable for a low-frequency mechanical spectrometer. The vibration reduction and leveling support mainly comprises a panel for bearing an object and a support rack for supporting the panel. The panel is connected with the support rack through adjusting studs and adjusting nuts. Each adjusting stud is a double-end stud, one end of the stud is a fixing end, the other end of the stud is a connecting end, the connecting end is fixed in the corresponding threaded hole in the panel, the fixing end is fastened to the support rack and adjusted through the corresponding adjusting nut I disposed at the fixing end, the connecting end is also provided with the corresponding adjusting nut II, the adjusting nut II is located below the panel, and a thrust ball bearing and a rubber pad are further sequentially disposed between the adjusting nut II and the panel. By the arrangement, the vibration reduction and leveling support is exquisite ...

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Номер записи: 7