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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 5. Отображено 5.
23-05-2023 дата публикации

Gas cylinder straightness measuring device and method based on light and shadow relationship

Номер: CN116147538A
Принадлежит:

The invention discloses a gas cylinder straightness measuring device and method based on a light-shadow relationship, and the device is characterized in that the device comprises a camera, a background plate, a pedestal and a parallel light source lamp, the pedestal comprises a matching pedestal, a connecting support, a rotating pedestal and a chassis, the matching pedestal is fixedly connected with the connecting support, and the connecting support is fixedly connected with the rotating pedestal; the connecting support is fixedly connected with the rotating base, the rotating base is fixedly connected with the chassis, the rotating base can automatically rotate along a vertical Z axis, the outline of the matching base corresponds to the shape of the bottom of a gas cylinder to be detected, and it can be ensured that the center point of the base and the center point of the gas cylinder to be detected are located on the same horizontal line. The invention relates to the field of measuring ...

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13-04-2021 дата публикации

Novel closed decoking system

Номер: CN212952717U

The utility model discloses a novel airtight decoking system and belongs to the technical field of airtight decoking. According to the technical scheme, the dewatering device comprises a chute, a dewatering bin and a spiral elevator, the dewatering bin is located below a discharging port of the chute, a plurality of first belt conveyors are sequentially arranged at one discharging port of the spiral elevator, and the discharging ends of the adjacent first belt conveyors are located above the feeding end; a first pipe belt conveyor is arranged below the discharging end of the first belt conveyor located at the tail end. A plurality of second belt conveyors are sequentially arranged at the other discharging port of the spiral elevator, the discharging ends of the adjacent second belt conveyors are located above the feeding end, and a second pipe belt conveyor is arranged below the discharging end of the second belt conveyor located at the tail end. Petroleum coke is conveyed to a coke plant ...

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23-06-2023 дата публикации

Novel method and device for measuring out-of-roundness of gas cylinder

Номер: CN116295091A
Принадлежит:

A novel gas cylinder out-of-roundness measuring device provided by the present invention comprises a depth camera, a camera supporting rod and a rotating base, the depth camera is arranged at the top end of the camera supporting rod, the bottom end of the camera supporting rod and the rotating base are arranged on a working table, and the camera supporting rod is used for adjusting the height and angle of the depth camera. The rotating base is used for placing a detected gas cylinder and driving the detected gas cylinder to rotate along the axis of the gas cylinder, and the depth camera is used for shooting the detected gas cylinder. The invention correspondingly provides a measuring method, the depth camera is used for shooting coordinate data of the gas cylinder, and the computer is used for calculating the out-of-roundness of the gas cylinder according to the data. According to the invention, the out-of-roundness of gas cylinders with different diameters can be rapidly detected, the ...

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25-08-2023 дата публикации

Catalyst for low-pressure olefin polymerization and preparation method and application thereof

Номер: CN116640242A
Принадлежит:

The invention discloses a catalyst for low-pressure olefin polymerization and a preparation method and application thereof, and belongs to the technical field of organic porous crystalline polymers and COF materials thereof. The preparation method comprises the following steps: (1) preparing an active sample TdDa: mixing 2, 4, 6-tri (4-aminophenyl)-1, 3, 5-triazine, 2, 5-dihydroxy terephthalaldehyde, mesitylene and ethanol, and reacting to obtain the active sample TdDa; (2) preparing a catalyst Zr-TtDa: putting TtDa and ZrCl4 into a reaction container, injecting tetrahydrofuran under vacuum, heating, stirring, centrifuging and drying to obtain dry Zr-TtDa. The catalyst disclosed by the invention has the beneficial effects that the catalyst is a COF-based Zr metal catalyst and is the first heterogeneous olefin polymerization catalyst constructed by introducing a molecular Zr catalyst into a COF pore channel. The synthesis method is simple, pore channels are methylated, raw materials are ...

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09-05-2023 дата публикации

Method and device for measuring perpendicularity of gas cylinder

Номер: CN116086357A
Принадлежит:

The invention discloses a gas cylinder verticality measuring method and device, which comprises a camera, a background plate, a base and a parallel light source lamp, and is characterized in that the camera, the background plate, the base and the parallel light source lamp are all placed on the ground; and the camera, the background plate, the base and the parallel light source lamp are arranged in sequence. The invention relates to the field of perpendicularity measurement, in particular to a gas cylinder perpendicularity measurement method and device. The technical problem to be solved by the invention is to provide the method and the device for measuring the verticality of the gas cylinder, which are beneficial for realizing the measurement of the verticality of the gas cylinder.

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