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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.
11-11-2015 дата публикации

Gravel pack sand control instrument

Номер: CN0204754890U
Принадлежит:

The utility model provides a gravel pack sand control instrument belongs to oily well equipment field, including the center tube, the center tube is provided with the hole, is provided with the sliding sleeve in the center tube, and the sliding sleeve can be followed the axial of center tube and slided for the center tube, the center tube overcoat is equipped with and fills the inner tube, fills the inner tube overcoat and is equipped with and fills the outer tube, and the pipe wall that fills the outer tube is equipped with the first through -hole that the intercommunication fills the lumen of inner tube, center tube and fill and be provided with the valve between the inner tube for cut off or communicate first through -hole and hole, gravel pack sand control instrument includes still that tail pipe, lower clutch and back -off connect, and the tail pipe cover is established on the sliding sleeve, and with sliding sleeve synchronous motion, the lower clutch cover is established on the tail ...

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02-05-2023 дата публикации

Solvent-free polyurethane-based adhesive and preparation method thereof

Номер: CN116042160A
Принадлежит:

The invention discloses a solvent-free type polyurethane-based adhesive and a preparation method thereof. The adhesive comprises polyurethane, a fluidity regulator and related auxiliaries, and can be designed into a single-component or double-component system according to construction requirements. The environment-friendly adhesive has good impermeability, is especially suitable for lamination and adhesion of porous substrates, and has a certain self-repairing function.

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22-08-2023 дата публикации

Broken line fault interval judgment method and system, terminal and storage medium

Номер: CN116626540A
Принадлежит:

The invention relates to the technical field of distribution line fault diagnosis, and particularly provides a distribution line disconnection fault interval judgment method and system, a terminal and a storage medium, and the method comprises the steps: obtaining fault bus information, and collecting the electrical data of all power distribution equipment on a distribution line carried by a fault bus; comparing with a standard threshold value to screen out abnormal data in the electrical data; positioning a connection line of the power distribution equipment to which the abnormal data belongs as an abnormal line; target power distribution equipment and in-station switches on the abnormal line are analyzed based on the power grid topological structure, and the distance between the target power distribution equipment and the in-station switches is obtained; and selecting node equipment from the target power distribution equipment based on the distance and the electrical data of the target ...

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13-06-2023 дата публикации

Organic-inorganic composite solvent-free polyurethane laminating adhesive as well as preparation method and application thereof

Номер: CN116254086A
Принадлежит:

The invention provides an organic-inorganic composite solvent-free polyurethane laminating adhesive as well as a preparation method and application thereof. The laminating adhesive comprises a component A and a component B, the component A contains surface-modified inorganic nanoparticles and trimethylolpropane tris (3-mercaptopropionic acid) ester, active groups on the surfaces of the inorganic nanoparticles react with isocyanate groups in a microwave-assisted in-situ polymerization manner, and then an isocyanate-terminated organic-inorganic composite polyurethane prepolymer is obtained; meanwhile, the prepolymer contains a thiocarbamate group. And the component B comprises surface modified inorganic nanoparticles, polyether polyol, hydroxyl-terminated double-terminated polydimethylsiloxane, polyester polyol, a hydrolysis-resistant agent and a coupling agent. The inorganic nanoparticles and the thiocarbamate groups are introduced, so that the problem that the existing solvent-free polyurethane ...

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01-07-2015 дата публикации

Rotor-wing unmanned aerial vehicle charging pile and charging method thereof

Номер: CN104753144A
Принадлежит:

The invention discloses a rotor-wing unmanned aerial vehicle charging pile and a charging method thereof. The rotor-wing unmanned aerial vehicle charging pile comprises electric push rods, protrusions and a communication module, the protrusions are fixed on a charging board of a rotor-wing unmanned aerial vehicle, four protrusions are in a group and form a square, the protrusions are distributed on the charging board fully to form multiple squares, the electric push rods which are extensible are mounted around the charging board, sawtooth-shaped protrusions at the bottom of a buffering frame are embedded in gaps formed by the protrusions of the charging board, and the rotor-wing unmanned aerial vehicle cannot move horizontally. After stably landing on the charging board, the rotor-wing unmanned aerial vehicle sends a signal to the communication module, the communication module after receiving the signal sends an instruction to the electric push rods, and the electric push rods extends out ...

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25-11-2015 дата публикации

Sand -prevention screening tube

Номер: CN0204804790U
Принадлежит:

The utility model provides a sand -prevention screening tube, include: the parent tube sets up the connecting piece of parent tube one end, wherein, at least, set up a set of filtration seam in the axial of parent tube, every group filters to stitch and contains a plurality of seams strip, a plurality of seams strip is followed radial even setting of parent tube, just the siphonozooid of parent tube for adopting the aluminum alloy to make, the utility model provides a sand -prevention screening tube, solved present sand -prevention screening tube stop up or the well in bury the back and come out to lead to the fact the delay of exploitation progress and oil well condemned economic loss problem because of salvaging.

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