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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 5. Отображено 5.
16-06-2023 дата публикации

Controllable soluble toe end sliding sleeve

Номер: CN116263083A
Принадлежит:

The invention provides a controllable soluble toe end sliding sleeve which comprises a sliding sleeve body, a soluble material, a first anode sacrificial piece and a second anode sacrificial piece. An external thread connecting part and an internal thread connecting part are arranged at the two ends of the sliding sleeve body respectively, and a plurality of through holes are formed in the side wall of the sliding sleeve body; the soluble material is arranged in the through hole; the first anode sacrifice sheet and the second anode sacrifice sheet are arranged in the through hole and respectively block the inner side and the outer side of the soluble material.

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11-07-2023 дата публикации

Well-washing-free and drifting pressure testing integrated tool and method for toe end sliding sleeve well

Номер: CN116411864A
Принадлежит:

The invention provides a washing-free and drifting pressure testing integrated tool for a toe end sliding sleeve well, which comprises a soluble drifting tool and a pressure testing seat, the pressure testing seat is of a cylindrical structure, the soluble drifting tool is made of a soluble material, and the soluble drifting tool is inserted into the pressure testing seat and is hermetically connected with the pressure testing seat. A pressure test seat is preset at a certain position above a toe end sliding sleeve tool on a well completion pipe string, a soluble drifting tool is pumped to the pressure test ball seat through an opened channel of the toe end sliding sleeve to complete drifting before fracturing, and then a wellhead is pressurized to perform pressure test on the wellhead and a shaft before fracturing; according to the tool and the method, continuous oil pipe communication and well washing before fracturing of the toe end sliding sleeve well are omitted, continuous oil pipe ...

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11-07-2023 дата публикации

Soluble plugging delayed opening toe end valve

Номер: CN116411875A
Принадлежит:

The invention discloses a soluble plugging delayed opening toe end valve, belongs to the technical field of oil and gas well fracturing, and solves the technical problems that in the prior art, opening can only be conducted in one time in a single pressurization mode, laying can only be conducted in a single position, the first-section multi-cluster process requirements cannot be met, the construction efficiency is low, the opening success rate is low, and high pressure cannot be tested for multiple times. According to the soluble plugging delayed opening toe end valve, plugging of the ports is achieved through the soluble disc, opening is achieved in a self-dissolving mode, the ports can be designed in an unlimited group mode, simultaneous opening of multi-cluster laying can be achieved, same perforating gun operation is achieved in the form, the construction success rate is high, and meanwhile the process requirement for on-site first-section multi-cluster is met; the soluble disc adopts ...

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10-11-2004 дата публикации

止痛祛寒液及其加工和使用方法

Номер: CN0001543991A
Принадлежит:

A pain relieving and cold relieving liquid and the method for preparation and use, wherein the preparation process comprises, disintegrating the solid components of notoginseng, pricklyash peel, clove, dried ginger, gastrodia tuber, large-leaf gentian root, pepper, Ligusticum wallichii1, panicled swallowwort root each 100-350g, and ledebouriella root, corydalis tuber, notopterygium root, hairy birthwort, levisticum each 50-200g, and table salt 40-100g, charging into liquor made from sorghum, and steeping. The invention also provides the process of external application.

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04-04-2023 дата публикации

Elevator convenient to convey and good in safety performance

Номер: CN115892814A
Принадлежит:

The invention discloses a convenient-to-convey elevator with good safety performance, which comprises a shell, a power device and a lifting device, and is characterized in that the upper end of the shell is connected with the power device, one side of the shell is provided with a sliding chute I, the lifting device is arranged in the sliding chute I, the lifting device comprises a box body, a buffer mechanism and a protection mechanism, and the box body is provided with an opening; and second sliding grooves are formed in the two sides of the first sliding groove correspondingly, and protection mechanisms are arranged in the second sliding grooves correspondingly. The goods carrying device has the beneficial effects that the box body, the buffering mechanism and the protection mechanism are arranged, the box body is lifted through operation of the power device, goods are carried, and the goods can be stored in a higher place or carried down from a higher goods shelf; and the arranged protection ...

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