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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 10. Отображено 10.
25-08-2023 дата публикации

Asphalt surface layer compaction process quality monitoring method based on three-dimensional texture features

Номер: CN116641289A
Автор: DU YUCHUAN, LIN YUCHAO, DONG CHENYANG, XIANG HUI, SHEN BINBIN, WENG ZIHANG, HAN YILONG, WU DIFEI
Принадлежит:

The invention relates to an asphalt surface layer compaction process quality monitoring method based on three-dimensional texture features, and the method comprises the following steps: collecting the three-dimensional texture features in an asphalt surface layer compaction process, obtaining a prediction value of a compaction quality monitoring index based on a pre-constructed multiple regression prediction model, and achieving the quality monitoring of the asphalt surface layer compaction process. Wherein the construction process of the multiple regression prediction model comprises the following steps: collecting actual values of multiple groups of compaction quality monitoring indexes and corresponding three-dimensional texture features in the compaction process, and calculating actual values of multiple three-dimensional texture parameter indexes according to the three-dimensional texture features; and according to the actual value of the compaction quality monitoring index and the ...

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Номер записи: 1
09-12-2015 дата публикации

Sword is rejected to hairtail side thorn

Номер: CN0204837777U
Автор: DONG CHENYANG
Принадлежит:

The utility model provides a sword is rejected to hairtail side thorn, belongs to the kitchen utensils and appliances field, includes the sword body, fixes the handle of a knife hand on the sword body, and a plurality of broachs of a word align to grid are established to sword body lower extreme, and the broach is the cylindric or platykurtic of head spiked, and the broach height is 3 -4mm, and the broach clearance is 3 -4mm, sword body lower extreme in the middle of the broach root is the cutting edge form, when rejecting hairtail side thorn, the flesh of fish between hairtail side thorn is pierce at the broach pointed end, hairtail side thorn just in time is in in each broach clearance, from the top down opens the skin of fish and the flesh of fish of side thorn top carefully, then the same another side of cutting again, exert oneself the sword along the outside at last, make the side thorn break away from, this kind of sword is rejected to hairtail side thorn, moreover, the steam generator ...

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Номер записи: 2
02-05-2023 дата публикации

Semi-fabricated pier and construction method thereof

Номер: CN116043674A
Автор: WANG KAIQIANG, DONG CHENYANG, FANG XIAOLIN, HAN BIN, ZHU LEILEI, XIANG HUI, YANG DENG
Принадлежит:

The invention relates to a semi-fabricated bridge pier. A lower-section bridge pier is formed by fixing a self-locking grouting pipe at the top of a reinforcing steel bar of a lower-section bridge pier reinforcement cage and then pouring lower-section bridge pier concrete; the bottom of a reinforcing steel bar of an upper-section bridge pier reinforcement cage of the upper-section bridge pier is inserted into a self-locking grouting pipe on the upper surface of the lower-section bridge pier concrete, grouting is conducted on the self-locking grouting pipe, and the upper-section bridge pier is formed by pouring the upper-section bridge pier concrete into the upper-section bridge pier reinforcement cage after grouting and fixing; the lower segment pier reinforcement cage and the upper segment pier reinforcement cage are both bound on the ground and then integrally hoisted, and a semi-assembly mode is achieved. The upper and lower segment pier reinforcement cages are both bound on the ground ...

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Номер записи: 3
04-11-2015 дата публикации

Passenger elevator safety device

Номер: CN0204737539U
Автор: WU FUZHEN, JIAO ZHIWEI, YE LELE, WANG JUAN, DONG CHENYANG, WANG LUYAO
Принадлежит:

The utility model provides a passenger elevator safety device relates to going up and down mechanical technical field. It includes elevator car, is equipped with cavity structures's interior car in the elevator car, is equipped with the spring between interior car and the elevator car, and interior car upper end is connected through spring and elevator car top, and interior car lower extreme passes through the spring to be connected with the elevator car bottom, and the setting is passed through to interior car side buckle and elevator car fix. The utility model provides an among the prior art passenger elevator out of control fall slow down strike that the device structure is complicated, manufacturing and the high technical problem of maintenance cost. The beneficial effects of the utility model are that: increase the security performance of elevator, slowed down the injury that huge impact force brought the passenger effectively when falling in that the elevator is out of control, further ...

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Номер записи: 4
23-06-2023 дата публикации

Intelligent monitoring method and device for deformation of main beam in bridge cantilever construction

Номер: CN116309418A
Автор: XIANG HUI, ZHAN YULIN, DAI LING, HUANG YUANYUAN, DONG CHENYANG, TIAN YONGDING, WANG SHENG, SHAO JUNHU, ZHOU CHENGLONG, CHOI SUNG-NAM
Принадлежит:

The invention provides an intelligent monitoring method and device for deformation of a bridge cantilever construction main beam. The intelligent monitoring method comprises the steps of obtaining a reference image of the bridge cantilever construction main beam with a specific mark in a reference state and a to-be-detected image in a to-be-detected state; the reference image and the to-be-detected image are acquired under an approximate image acquisition condition; carrying out image segmentation on the reference image and the to-be-detected image to respectively obtain a segmented reference image and a segmented to-be-detected image; acquiring a reference relative position of a reference specific mark image in the segmented reference image in the segmented reference image, and a to-be-detected relative position of a to-be-detected specific mark image in the segmented to-be-detected image in the segmented to-be-detected image; and determining the deformation of the bridge cantilever construction ...

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Номер записи: 5
28-07-2023 дата публикации

Suspender anchoring device

Номер: CN116497690A
Автор: CHEN WEI, WU DAN, XIANG HUI, DONG CHENYANG, WANG SHENG, ZHANG YANHUI, ZHANG ZIZHENG, WEI MINGFEI, LI QIANG
Принадлежит:

The invention provides a suspender anchoring device. The suspender anchoring device comprises a connecting sleeve, a damping assembly and an anchoring assembly. The other end of the connecting sleeve is connected with the damping assembly; the damping assembly comprises an upper fixing plate, a lower fixing plate and a composite damping structure. The upper fixing plate is connected with one end of the connecting sleeve; one end of the composite damping structure is connected with the upper fixing plate, the other end of the composite damping structure is connected with the lower fixing plate, and damping liquid is arranged in the composite damping structure. The anchoring assembly comprises an anchoring sleeve, and the anchoring sleeve is arranged on the damping assembly in a sleeving mode and connected with the bridge through an anchoring nut. By arranging the composite damping structure, vibration caused by the suspender by high-frequency rapid vibration generated when a high-speed train ...

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Номер записи: 6
30-05-2023 дата публикации

Simulation method for optimizing contour of fly's-eye lens and fly's-eye lens

Номер: CN116184660A
Автор: DONG CHENYANG, FAN JUN, QIU MIN
Принадлежит:

The invention discloses an optimized fly's-eye lens contour simulation method and a fly's-eye lens, and the method comprises the steps: determining an illumination region of a target surface, enabling simulation light to enter the rear surface of the fly's-eye lens after passing through the front surface of the fly's-eye lens, and enabling the simulation light to reach the illumination region of the target surface through the deflection of the rear surface; establishing a rectangular coordinate system, and calculating a relational expression of the unit direction vector of the incident light, the unit direction vector of the emergent light and the unit normal vector of the emergent point on the rear surface according to the snell law; calculating three components of a unit normal vector of an ejection point on the rear surface on an x axis, a y axis and a z axis according to the refractive indexes under different media; and according to the three component expressions, constructing a partial ...

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Номер записи: 7
23-12-2015 дата публикации

But manpower handcart of getting out of a predicament or an embarrassing situation on brake type

Номер: CN0204895529U
Автор: YANG YONGQIANG, WANG LEI, LAI XUDONG, DONG CHENYANG, WANG HAILONG
Принадлежит:

The utility model discloses a but manpower handcart of getting out of a predicament or an embarrassing situation on brake type, including frame, axletree and two three horn rings, axle installation is on the frame, one three horn ring is respectively installed at the both ends of axletree, a steamboat is respectively installed at the three angle of the support of three horn rings, installs the pincers device of stopping on every steamboat, the axle center of three horn rings is equipped with a brake line transposition device, the three pincers that the correspond device of stopping is connected to brake line transposition device, every steamboat corresponds connects one set of damping device. The utility model relates to a but manpower handcart of getting out of a predicament or an embarrassing situation on brake type when topping bar and get out of a predicament or an embarrassing situation, effectual impact force and the vibration noise of having reduced of the spring shock absorber device ...

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Номер записи: 8
07-07-2023 дата публикации

Piezoelectric material power generation device and wind power generation equipment

Номер: CN116404905A
Автор: ZHAN YULIN, XIANG HUI, WANG YUDONG, DONG CHENYANG, SHAO JUNHU, HU JIE, TIAN YONGDING, CHOI SUNG-NAM, LIU HAIBO, ZHOU CHENGLONG
Принадлежит:

The invention provides a piezoelectric material power generation device and wind power generation equipment, and relates to the field of wind power generation. The piezoelectric material power generation device comprises a mounting base, a fan, a motion conversion mechanism, a power generation mechanism and a frequency adjusting mechanism. The power generation mechanism comprises a cantilever, a piezoelectric element and a counterweight part; the frequency adjusting mechanism comprises a frequency detection piece, a control assembly and an adjusting assembly. The fan drives the rotation input end of the motion conversion mechanism to rotate. The reciprocating translation output end of the motion conversion mechanism drives the fixed supporting end of the cantilever to do reciprocating translation, so that the cantilever vibrates and deforms, the piezoelectric element is driven to deform, and then mechanical energy is converted into electric energy. The frequency detection piece detects ...

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Номер записи: 9
11-08-2023 дата публикации

Pile wall fissure-shaped karst cave blocking method

Номер: CN116575464A
Автор: DONG CHENYANG, ZENG PANYU, XIANG HUI, CUI JIAN, GAO YUEYUAN, FU YINGLI, HU WEI, LIU YUNSI
Принадлежит:

The invention discloses a plugging method for a pile wall fissure-shaped karst cave, which comprises the following steps of: S1, accurately and detailedly exploring the size and depth of an exposed karst cave so as to determine a treatment scheme of the karst cave; s2, after a construction scheme is determined, necessary materials and construction machines such as telescopic steel pipes, expandable foam sprayers, wood formworks and air bags are prepared; s3: a, a crack-shaped karst cave with an upward trend: obliquely drilling a hole in the karst cave at a certain distance above an opening of the upper karst cave until the karst cave is opened, meanwhile, supporting a mold at the opening of the karst cave to seal the karst cave, reserving a hole in a template at the opening of the upper karst cave, and densely filling a gap between the template and the opening of the karst cave by using an expandable foam spray; and b, the downward crack-shaped karst cave is formed, specifically, a telescopic ...

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Номер записи: 10