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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 7. Отображено 7.
14-04-2023 дата публикации

Fiber concrete with anti-cracking and anti-seepage functions

Номер: CN115959863A
Принадлежит:

The invention discloses fiber concrete with anti-crack and anti-seepage functions, and relates to the technical field of concrete.The fiber concrete with the anti-crack and anti-seepage functions is characterized by being prepared from, by weight, 450 parts of cement, 180 parts of water, 1036 parts of gravel, 571 parts of river sand, 5.625 parts of high-performance polycarboxylate superplasticizer with an air entraining component and 2.65-4 parts of basalt fiber; 0.9 to 1.4 parts of polypropylene fiber and 113 parts of fly ash.

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30-12-2015 дата публикации

Screw conveyer makes up big boulder processing apparatus

Номер: CN0204920971U
Принадлежит:

Screw conveyer makes up big boulder processing apparatus to effectively improve the security and the efficiency of construction of big boulder processing procedure. Construct quick -witted tu cang, shaft type screw conveyer including the shield. Setting up belt screw conveyer and getting the stone storehouse between the quick -witted tu cang of shield structure, the shaft type screw conveyer, belt screw conveyer's feed end and the discharge end that the shield constructs quick -witted tucang are connected, and belt screw conveyer's discharge end is through linking up the passageway and getting the feeding end connection in stone storehouse, and shaft type screw conveyer's feed end and the discharge end of getting the stone storehouse are connected, get the stone storehouse and constitute by the combination of cylindrical shell, loudspeaker form casing, the feed end of upper end for getting the stone storehouse of cylindrical shell, the discharge end of small -bore end for getting the stone ...

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11-07-2023 дата публикации

Construction device and construction method of shield tunnel

Номер: CN116411969A
Принадлежит:

The invention relates to a construction device and method for a shield tunnel and relates to the technical field of tunnel shield construction.The construction device comprises a machine body, a machine head, a fragment treatment mechanism, a first conveying assembly and a second conveying assembly, and the fragment treatment mechanism is arranged in the machine body; the fragment processing mechanism comprises a spiral conveyor and a fragment layering assembly, and a feeding port of the spiral conveyor is located at the machine head; the fragment layering assembly comprises a treatment box, a feeding groove located below a discharging port of the spiral conveyor is formed in the treatment box, a first discharging slope plate and a second discharging slope plate are arranged in the treatment box, the second discharging slope plate is located below the first discharging slope plate, and a plurality of material distribution holes are formed in the first discharging slope plate. According ...

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13-06-2023 дата публикации

Device and method for measuring isochronous magnetic field of cyclotron magnet

Номер: CN116256676A
Принадлежит:

The invention relates to a cyclotron magnet isochronous magnetic field measuring device and method. The cyclotron magnet isochronous magnetic field measuring device comprises a servo motor; the servo motor drives the rotating shaft to rotate; the rotating shaft is connected between the rotating disc and the servo motor, and the rotating disc can rotate around the axis of the rotating shaft; the measuring track is horizontally arranged on the upper surface of the rotating disc in the direction perpendicular to the rotating shaft; and the sliding support can slide on the measuring track, and a Hall array and a PCB (printed circuit board) coil array are arranged on the sliding support. The Hall array and the PCB coil array are designed on the rotating mechanism, so that the test results are mutually verified, and the test efficiency and accuracy are improved.

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23-06-2023 дата публикации

Rock-soil static lateral pressure simulation device and effective stress calculation method

Номер: CN116296839A
Принадлежит:

The invention discloses a rock-soil static lateral pressure simulation device and an effective stress calculation method.The rock-soil static lateral pressure simulation device comprises a first metering cylinder, a liquid inlet box, an experiment cylinder, a liquid outlet box and a second metering cylinder; a supporting structure is arranged at the top of the liquid inlet box and comprises a hydraulic oil cylinder and an axial force meter, the axial force meter is arranged at the top of the liquid inlet box, and a hydraulic rod of the hydraulic oil cylinder abuts against the axial force meter; a plurality of pressure sensors are arranged on the side of the experiment cylinder. According to the rock-soil static lateral pressure simulation device and the effective stress calculation method, the rock-soil static lateral pressure of remolded soil or undisturbed soil taken on site can be directly measured, the actual site situation of the rock-soil on the side of a foundation pit is directly ...

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21-07-2023 дата публикации

Full-automatic spot measurement system and method for measuring magnetic field distribution of accelerator magnet

Номер: CN116466271A
Принадлежит:

The invention relates to a full-automatic spot measurement system and method for accelerator magnet magnetic field distribution measurement. The full-automatic spot measurement system comprises a marble spot measurement air floating platform, a magnet test platform and a data acquisition system, the marble point measurement air floating platform is used as a transmission platform and is used for moving a Hall probe arranged on the marble point measurement air floating platform under the control of the data acquisition system, so that the Hall probe detects the magnetic field distribution of a to-be-measured magnet arranged on the magnet test platform and sends the magnetic field distribution to the data acquisition system; and the data acquisition system is used for acquiring and controlling the measurement position of the Hall probe, acquiring current and voltage data of an induction coil of the to-be-detected magnet in real time, judging the accuracy of magnetic field detection by evaluating ...

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04-03-2015 дата публикации

Positioning perpendicularity adjusting device and method of dual-spliced I-shaped steel latticed column

Номер: CN104389313A
Принадлежит:

The invention discloses a positioning perpendicularity adjusting device of a dual-spliced I-shaped steel latticed column. The device comprises a pedestal, an adjusting table and an extending guide column, wherein the adjusting table is arranged on the pedestal; the structure of the extending guide column is the same as that of the dual-spliced I-shaped steel latticed column; the pedestal is of a square-shaped framework structure; supporting legs are arranged at the four corners at the bottom of the pedestal; the adjusting table is of a formed steel framework structure and comprises an upper part framework and a lower part framework; the four corresponding corners on the bottom of the upper part framework and the top of the lower part framework are connected through upright posts respectively; the extending guide column is of a dual-spliced I-shaped steel structure; a supporting steel plate is arranged at the upper end of the H-shaped surface of each of the two sides of the extending guide ...

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