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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 7. Отображено 7.
02-06-2023 дата публикации

Asphalt mixture design method based on pavement use performance

Номер: CN116202894A
Автор: BI YUFENG, XU XIZHONG, DING TINGTING, ZHANG XIAOMENG, SUN JIANXIU, WEI JINCHENG, YU DESHUI, YAN XIANGPENG, WANG ZHUO, ZHANG ZHENGCHAO, XU QINSHENG, WU WENJUAN
Принадлежит:

The invention discloses an asphalt mixture design method based on pavement use performance, belongs to the technical field of road engineering, and aims to overcome the defect of separation of structural design and material design of a Marshall asphalt mixture design method, realize organic unification of a pavement structure and materials and improve the pavement use performance. According to the adopted technical scheme, the method comprises the following specific steps: S1, carrying out an experiment for measuring related indexes of the pavement use performance on a laboratory forming test piece; s2, performing a pavement performance experiment on the basis of meeting the performance indexes related to the pavement use performance; s3, analyzing and judging whether standard requirements are met or not according to road performance experiment results: (1) if yes, executing the step S4; (2) if not, skipping to the step S1; s4, optimizing the design of the asphalt mixture according to the ...

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Номер записи: 1
14-07-2023 дата публикации

Dynamic polymer with super tensile property for permanent roadbed, geogrid and preparation method of dynamic polymer

Номер: CN116425905A
Автор: DI ENZHOU, YAN XIANGPENG, SHAO HUA, WEI JINCHENG, XU QINSHENG, PUBUZHAXI, CHEN TINGTING, KUMI GAKUWA, ZHANG ZHENGCHAO, HU JIABO, SUN QIANG, HAN YE, SUN ZHAOYUN, YANG YONGFU, XU XIZHONG
Принадлежит:

The invention belongs to the technical field of civil engineering, and particularly relates to a dynamic polymer with super tensile property for a permanent roadbed, a geogrid and a preparation method of the dynamic polymer. The preparation method of the dynamic polymer comprises the following steps: firstly, preparing an intermediate product A; then preparing an intermediate product B; and finally preparing the dynamic polymer. The geogrid for the permanent roadbed prepared from the dynamic polymer can greatly improve the tensile strength of the original geogrid, the strength is also improved, and the geogrid has excellent roadbed reinforcing capacity.

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Номер записи: 2
07-04-2023 дата публикации

Instrument shell sealing structure

Номер: CN115942658A
Автор: CHEN YAOZHONG, XU QINSHENG
Принадлежит:

The invention discloses an instrument shell sealing structure which comprises a shell body, a sheet-shaped sealing rubber mat and a pressing plate. One end of the shell body is provided with a stamping groove which is recessed inwards, and corners of the stamping groove are provided with through holes; the sheet-shaped sealing rubber mat is provided with a sealing step matched with the stamping groove, the sealing step is provided with a positioning buckle matched with the through hole, and the sheet-shaped sealing rubber mat further comprises a sealing flange formed on the outer edge of the sealing step. The pressing plate is fixed to the outer shell body through screws, and the sheet-shaped sealing rubber mat is clamped between the outer shell body and the pressing plate. According to the instrument shell sealing structure, the sealing table of the sheet-shaped sealing rubber mat is matched with the stamping groove of the shell body, the sheet-shaped sealing rubber mat is pressed on the ...

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Номер записи: 3
23-06-2023 дата публикации

High-temperature vacuum furnace with heat preservation structure for special graphite processing

Номер: CN116294611A
Автор: JI BIN, ZHAO ZHENYUAN, XU QINSHENG
Принадлежит:

The invention relates to the technical field of special graphite processing, in particular to a high-temperature vacuum furnace with a heat preservation structure for special graphite processing. The high-temperature vacuum furnace comprises a mounting frame and a heat preservation furnace body, and openings in the front end and the rear end of the heat preservation furnace body are sealed through a front sealing cover and a rear sealing cover; heat dissipation holes distributed at equal intervals around the peripheral side of the heat preservation furnace body are formed in the mounting frame, overturning blades distributed at equal intervals around the peripheral side of the heat preservation furnace body are further arranged on the peripheral side of the mounting frame, the overturning blades are inserted into the mounting frame through shaft rods at the two ends, and the width of the overturning blades is larger than the linear distance between the heat dissipation holes and the outer ...

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Номер записи: 4
30-05-2023 дата публикации

Reinforced graphite boat

Номер: CN116180054A
Автор: LYU ZUNHUA, YAO LIANG, XU QINSHENG
Принадлежит:

The invention relates to the technical field of graphite boats, and discloses a reinforced graphite boat which comprises a bearing plate, side plates are fixedly connected to the two ends of the bearing plate, a fixing frame is slidably assembled on one side plate, a plurality of mounting frames are assembled on the fixing frame, and graphite boat plates are assembled on the mounting frames; an equidistant adjusting assembly is arranged on the fixing frame and comprises an adjusting assembly and a driving assembly. And dismounting mechanisms are arranged on the plurality of mounting frames and the corresponding graphite boat plates. The graphite boat provided by the invention replaces a traditional graphite boat structure, a worker can perform equidistant adjustment on the plurality of graphite boat plates through the equidistant adjustment assembly, the distance between the two adjacent graphite boat plates can be quickly adjusted, convenience is brought to actual use of the graphite boat ...

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Номер записи: 5
04-08-2023 дата публикации

Efficient mixing equipment for cement stabilized macadam material

Номер: CN116533380A
Автор: AN PING, YUAN YUBO, CHEN XIANGCHEN, YAN XIANGPENG, LI HUI, WEI JINCHENG, XU QINSHENG, QIN SILONG, FANG JIAMING, LI DONGYU, LI LEFENG
Принадлежит:

The invention relates to the technical field of road engineering, and discloses cement stabilized macadam material efficient mixing equipment which comprises a lower mixing box body and an upper mixing box body, the lower mixing box body is located at the lower end of the upper mixing box body, and a discharging valve is arranged at the bottom of the lower mixing box body; a plurality of lower connecting blocks which are arranged in an annular array are fixedly mounted at the position, close to the upper end, of the outer surface of the lower mixing box body, a plurality of upper connecting blocks which are arranged in an annular array are fixedly mounted at the position, close to the lower end, of the outer surface of the upper mixing box body, and the lower connecting blocks and the upper connecting blocks are fixed through bolts; a mixing mechanism is rotatably mounted in the lower mixing box body and the upper mixing box body, and a protective box body is fixedly mounted at the upper ...

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Номер записи: 6
12-05-2023 дата публикации

Efficient roasting device for special graphite powder

Номер: CN116105500A
Автор: LYU ZUNHUA, JI BIN, XU QINSHENG
Принадлежит:

The invention relates to the technical field of graphite processing, in particular to an efficient roasting device for special graphite powder, which comprises a roasting cylinder, an eccentric rotating cylinder and two groups of elastic telescopic scrapers, and the area between the roasting cylinder and the eccentric rotating cylinder is divided into two symmetrical roasting areas by the two groups of elastic telescopic scrapers. The position and the shape of the roasting area are continuously changed along with rotation of the two sets of elastic telescopic scrapers, so that when graphite powder passes through the lowest portion of the eccentric rotary drum, the area between the current eccentric rotary drum and the roasting drum is minimum in volume and relatively large in heat, and when the graphite powder passes through the uppermost portion of the eccentric rotary drum, the area between the current eccentric rotary drum and the roasting drum is small in volume and relatively large ...

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Номер записи: 7