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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 6. Отображено 6.
30-06-2023 дата публикации

Lithium iron phosphate positive electrode material, preparation method and lithium ion battery

Номер: CN116354323A
Принадлежит:

The embodiment of the invention provides a lithium iron phosphate positive electrode material, a preparation method and a lithium ion battery, the lithium iron phosphate positive electrode material comprises flaky particles and granular particles, and the quantity of the flaky particles accounts for 15-45% of the total quantity of the flaky particles and the granular particles. The preparation method comprises the following steps: uniformly mixing an iron source, a phosphorus source, a lithium source and a carbon source, adding the mixture into a dispersion medium, and grinding to obtain ground slurry; adding a crystal face guiding agent into the ground slurry, uniformly stirring, and drying to obtain precursor dry powder; and carrying out sintering treatment on the precursor dry powder, and then carrying out coarse crushing, sieving and airflow crushing to obtain the lithium iron phosphate positive electrode material.

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09-05-2023 дата публикации

Fabricated connecting structure of wood structure column foot and foundation and construction method of fabricated connecting structure

Номер: CN116084563A
Принадлежит:

The invention relates to the technical field of building construction, in particular to a wood structure column foot and foundation assembly type connecting structure which comprises a concrete foundation, a groove is formed in the concrete foundation, an embedded part is arranged in the groove, a steel connecting part is arranged above the embedded part and located in the groove, and the steel connecting part is connected with a wood structure column foot. When the connecting structure and the construction method are adopted for pseudo-classic building construction, installation is convenient and fast, the embedded part is embedded in the concrete foundation, the groove is reserved above the embedded part, the wood structure column and the concrete foundation are connected through the arranged steel connecting piece, after construction is completed, the stress performance of the wood structure column is guaranteed, and meanwhile the construction efficiency is improved. And the connecting ...

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08-08-2023 дата публикации

Manufacturing method of cable bent tower steel bar component with polygonal outer side and circular inner cavity

Номер: CN116556199A
Принадлежит:

The invention discloses a manufacturing method of a cable bent tower steel bar component with a polygonal outer side and a circular inner cavity. The manufacturing method comprises the following steps: firstly, binding an inner cavity steel bar component with a circular cross section; an outer side steel bar component with the polygonal section shape is bound, the outer side steel bar component comprises two layers of outer ring main bars arranged on the outer side and a middle layer main bar arranged on the inner side, and the outer ring main bars and the middle layer main bar are each provided with a plurality of stirrups at intervals in the vertical direction; the outer ring main rib and the middle layer main rib are connected through a plurality of closed hoops, and the closed hoops are arranged in a quincunx shape in the vertical direction; and finally, the outer side reinforcing steel bar component and the inner cavity reinforcing steel bar component are connected through a drag hook ...

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23-06-2023 дата публикации

Fabricated building shock insulation device with movement limiting function

Номер: CN116290446A
Принадлежит:

The invention relates to the field of fabricated building shock isolation, in particular to a fabricated building shock isolation device with a movement limiting function, the fabricated building shock isolation device comprises a bottom plate and a top plate arranged above the bottom plate, and a shock isolation support is arranged at the center of the bottom plate and the center of the top plate; the positions, close to the four vertex angles, of the bottom plate are each provided with a supporting frame, the interior of each supporting frame is correspondingly provided with a shock isolation damper, the upper ends of the shock isolation dampers are rotationally connected with the top plate, and the lower ends of the shock isolation dampers are rotationally connected with the bottom plate. A limiting frame is arranged above the supporting frame, telescopic sleeve rods are evenly arranged on the inner side of the limiting frame in the circumferential direction, each telescopic sleeve rod ...

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16-05-2023 дата публикации

Fabricated stair shock insulation damper with dustproof and weather-proof functions

Номер: CN116122448A
Принадлежит:

The invention relates to the technical field of stair shock insulation dampers, in particular to an assembly type stair shock insulation damper with dustproof and weather-proof functions, a storage groove is formed in a prefabricated stair, one end of a damper body is hinged to the storage groove, and a limiting hole is formed in the other end of the damper body; the bottom of the containing groove is fixedly connected with a sealing rubber pad, the damper body is connected with the sealing rubber pad, the prefabricated wall body is provided with an inserting groove, and the end, provided with the limiting hole, of the damper body is arranged in the inserting groove; a linkage groove is formed above the insertion groove, and an insertion rod matched with the limiting hole is arranged in the linkage groove; sealing plates are arranged on the two sides of the sealing rubber pad correspondingly, a closed cavity is formed among the sealing plates, the sealing rubber pad, the prefabricated wall ...

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16-05-2023 дата публикации

Fabricated building shock insulation damper with disassembly and assembly functions

Номер: CN116122449A
Принадлежит:

The invention relates to the technical field of assembly type building shock insulation dampers, in particular to an assembly type building shock insulation damper with a disassembly and assembly function. A damper body is arranged below a prefabricated wall, one end of the damper body is connected with a prefabricated stair, a sliding groove is formed in the bottom of the prefabricated stair, and one end of the damper body is arranged in the sliding groove; sliding rods are symmetrically arranged on the two sides of the end, connected with the sliding groove, of the damper body, and first movable openings matched with the sliding rods are formed in the lower end of the sliding groove; the bottom of the prefabricated stair is further rotationally connected with a threaded supporting rod, a sliding sleeve is arranged on the threaded supporting rod, and the damper body penetrates through the sliding sleeve and is in sliding connection with the sliding sleeve. A linkage frame is arranged at ...

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