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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 12. Отображено 12.
07-04-2023 дата публикации

Device and method for installing pore water pressure gauge in soft soil layer

Номер: CN115928684A
Принадлежит:

The invention discloses a device and method for installing a pore water pressure gauge in a soft soil layer, and the method comprises the steps: installing the pore water pressure gauge in an installation cylinder, carrying out the assembly, and inserting an installation rod into the installation cylinder; the mounting cylinder is put down into a drilled burying drill hole along with the mounting rod, a drilling machine is used for applying downward pressure to the mounting rod, and the mounting cylinder is pressed into a soft soil layer at the bottom of the hole until the mounting cylinder reaches the burying depth of the monitoring point on the lowermost side; the mounting rope is fixed to the ground, meanwhile, the mounting rod is lifted section by section, the mounting cylinder and the mounting rod are automatically separated, and the mounting cylinder is mounted to the preset monitoring depth; and a hole sealing soil column is lowered between the adjacent pore water pressure gauges ...

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10-02-2016 дата публикации

High voltage electricity circuit earth connection action bars

Номер: CN0205029157U
Принадлежит:

The utility model relates to a power supply unit, specifically speaking are high voltage electricity circuit earth connection action bars, including telescopic electroscope insulator spindle, the telescopic joint department of insulator spindle is equipped with outer locking device, acromere insulator spindle rear end is equipped with the handle, characterized by is equipped with the Y font support of compriseing connecting rod and two pulley branches, the connecting rod is connected with internal insulation pole front end through the screw thread, be equipped with the pulley on the pulley branch on the support respectively, in using, the position of establishing earth connection is hung according to need, adjust insulator spindle length, then with the fixed locking of outer locking device, be connected the earth connection with insulating rope, two pulleys are introduced to the one end of restricting that will insulate again, the insulating rope of a finger -tight, the control operation ...

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27-06-2023 дата публикации

In-situ loess collapsibility coefficient testing device and method

Номер: CN116335212A
Принадлежит:

The invention discloses an in-situ loess collapsibility coefficient testing device and method. The device comprises a testing probe extending into a drill hole, an adjusting component arranged at the top of the drill hole and driving the testing probe to be adjusted in the depth direction of the drill hole, a water supply device arranged at the top of the drill hole and a data acquisition module connected with the testing probe. The method comprises the following steps: 1, forming two drill holes and lowering a loess collapsibility in-situ testing device; 2, adjusting an in-situ loess collapsibility coefficient testing device in one drill hole; 3, loading detection of a hole bottom soil body in one drill hole; fourthly, loading detection is carried out when water injection of a hole bottom soil body in one drill hole is saturated; 5, loading detection is carried out when water injection of the hole bottom soil body in the other drill hole is saturated; and 6, obtaining an in-situ loess ...

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27-06-2023 дата публикации

Device and method for measuring ground surface settlement deformation in test pit immersion test

Номер: CN116337005A
Принадлежит:

The invention provides a ground surface settlement deformation measuring device in a test pit immersion test, and the device comprises a monitoring pedestal which is located at a monitoring point position in a test pit; the inclination angle measuring module is fixed above the monitoring base; and the settlement measurement module is arranged above the inclination angle measurement module. The invention further provides a ground surface settlement deformation measuring method in the test pit immersion test. The device is simple in structure and reasonable in design, the settlement amount and the gradient of a monitoring point position are obtained through measurement of the static force level gauge and the inclinometer, the settlement amount measured by the static force level gauge can be corrected according to the gradient of the monitoring point position, the more accurate ground surface settlement amount is obtained, and practicability is high.

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11-04-2023 дата публикации

Ground surface and underground integrated settlement monitoring device and method

Номер: CN115950396A
Принадлежит:

The invention discloses an earth surface and underground integrated settlement monitoring device and method, and belongs to the technical field of geotechnical engineering monitoring, and the method specifically comprises the following steps: firstly, pre-drilling an embedding hole, and assembling the earth surface and underground integrated settlement monitoring device; then the earth surface and underground integrated settlement monitoring device is hoisted and placed into the burying hole and is backfilled and compacted after being fixed; and finally, installing a Beidou monitoring system, and carrying out data acquisition and processing through an earth surface and underground integrated settlement monitoring device. The earth surface and underground integrated settlement monitoring device comprises an automatic data acquisition box on the ground, underground settlement monitoring equipment and earth surface settlement monitoring equipment, and the earth surface settlement monitoring ...

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23-06-2023 дата публикации

Anti-frost heaving pile foundation for installing photovoltaic support in frozen soil area and construction method of anti-frost heaving pile foundation

Номер: CN116290071A
Принадлежит:

The invention discloses an anti-frost heaving pile foundation for installing a photovoltaic support in a frozen soil region and a construction method of the anti-frost heaving pile foundation, and belongs to the technical field of pile foundations in frozen soil regions. The anti-frost heaving pile foundation comprises a photovoltaic support, a prefabricated pipe pile, a support connecting section, an anti-frost heaving section and a fixing section. The support connecting section is located above the prefabricated pipe pile and used for connecting the photovoltaic support and the pile foundation. The anti-frost-heaving section is filled with an anti-frost-heaving material, so that the influence of soil body frost heaving on engineering is eliminated, and the effect of resisting soil body frost heaving is achieved; the fixed section is located at the lower end of the prefabricated pipe pile and plays a role in improving the stability and pulling resistance of a pile body. The construction ...

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13-01-2016 дата публикации

Power transmission line foreign matter eliminator

Номер: CN0204967135U
Принадлежит:

The utility model discloses a power transmission line foreign matter eliminator, its characterized in that comprises to machine and drive mechanism insulator spindle, fixture, cutting mechanism, commentaries on classics structure, wherein: fixture personally experiences sth. Part of the body, keeps silent, lives including pincers and keeps silent, lives arm, the torsional spring of keeping silent, and cutting mechanism includes guide, blade guide block, blade, blade guard pin and spring, steering mechanism is a two -way knuckle, and drive mechanism includes the handle of a knife frame, the handle of keeping silent, blade handle, insulating lacing wire, blade lacing wire and the lacing wire of keeping silent, the utility model discloses firstly the advantage can carry out the multi -angle and adjust adaptation different situation, secondly, all there is the better effect of cleaing away to light foreign matter and heavier foreign matter, thirdly, can realize electrified cleaing away and ...

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21-01-2015 дата публикации

Satellite positioning and static leveling-based layered settlement monitoring system and method

Номер: CN104296721A
Принадлежит:

The invention discloses a satellite positioning and static leveling-based layered settlement monitoring system and method. The system comprises a base station, a monitoring station which is arranged in a settlement monitoring area and a monitoring center which communicates with the monitoring station, wherein the base station communicates with the monitoring station; the monitoring station comprises an observation pillar, a second Beidou satellite signal receiver mounted on the observation pillar, a data transmission unit, a plurality of layered settlement marks and a static level system; the static level system comprises a plurality of static level gauges; each layered settlement mark is provided with one static level gauge; one of the static level gauges is arranged on the observation pillar. The method comprises the following steps: I, setting of the monitoring system; II, data acquisition and transmission; III, data processing and analysis. According to the satellite positioning and ...

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22-04-2015 дата публикации

Wide-range inductive frequency-modulation type displacement measurement device and method

Номер: CN104534974A
Принадлежит:

The invention discloses a wide-range inductive frequency-modulation type displacement measurement device and a method. The device comprises a shell, a spiral coil, a measuring rod, a pipe body and a data processing module, wherein the spiral coil is arranged on the rear section of the pipe body in a sleeving manner; the data processing module is arranged on the shell; the front-end part of the measuring rod is formed by butting n sections of magnetic cores and can stretch into the pipe body; the magnetic conductivity of the ith magnetic core is 1.5-2 times that of the magnetic conductivity of the (i+1)th section of the magnetic core; i and n refer to integers; n is more than or equal to 2; i is equal to n-1; the length of each section of the magnetic core is smaller than the length of the spiral coil, so that two ends of a single section of the magnetic core stretch in the length range of the spiral coil; and the lengths of the tube body and the measuring rod are larger than the length ...

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18-03-2009 дата публикации

Geotechnical filling for use in cold area

Номер: CN0101386500A
Принадлежит:

The invention provides an earthwork filling material for use in cold area, which is formed by waste casting sand, fly ash, cement, polystyrene particles and water according to certain weight percentages. According to the test measurement, the density of the earth work filling material reaches between 0.97 and 1.35x10<3>kg/m<3>, the compression strength reaches between 60 and 292kPa/7 days, and the compression strength reaches between 116 and 664kPa/28 days; meanwhile, the earth work filling material also improve the freeze-thaw resistance, the coefficient of thermal conductivity reaches between 0.40 and 0.74W/(m.K)/7 days, and the coefficient of thermal conductivity reaches between 0.350 and 0.53W/(m.K)/28 days. The earthwork filling material can reduce the breakdown of an earth filling project caused by frozen expansion in the cold areas and recycle the waste casting sand and fly ash, which cause pollutions on environment, as earthwork filling materials in the earth filling project; moreover ...

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04-04-2023 дата публикации

Two-in-one borehole shear test system and method thereof

Номер: CN115901491A
Принадлежит:

The invention relates to a two-in-one borehole shear test system and a method thereof. The two-in-one borehole shear test system comprises an operation platform; the drilling machine system comprises a drilling machine, a first lifting mechanism and a control unit, and the drilling machine can be driven by the first lifting mechanism to descend to be in driving connection with the sleeve and drive the sleeve to rotate; the top of the sleeve is detachably connected with the drilling machine, and the top of the sleeve is detachably connected with the transmission end pipe; the drilling integrated drilling tool comprises a valve drill bit, an outer sleeve, a shearing probe and a sensor. The bottom of the transmission end pipe is detachably connected with the top of a valve drill bit of the drilling integrated drilling tool; a salvage mechanism; a normal stress loading mechanism; a motor driving module; and a data acquisition recorder. The device is simple in structure, test steps are saved ...

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29-08-2023 дата публикации

High-temperature frozen soil foundation reinforcement method based on ice nucleus active bacteria

Номер: CN116657588A
Принадлежит:

The invention relates to a high-temperature frozen soil foundation reinforcement method based on ice nucleus active bacteria. Existing frozen soil foundation reinforcement measures have the problems of insufficient performance, frozen soil resource pollution and the like. A culture medium is prepared; culturing the ice nucleus active bacteria by using a culture medium; obtaining an ice nucleus active bacterium solution; the ice nucleus active bacterium solution is injected into high-temperature frozen soil in a high-temperature frozen soil foundation area needing to be reinforced; the ice nucleus active bacteria grow and breed in the high-temperature frozen soil, when the number of the ice nucleus active bacteria reaches a certain concentration in a reinforced area, the ice nucleus active protein anchored to the extracellular membrane of the ice nucleus active bacteria can improve the freezing point of unfrozen water in the high-temperature frozen soil, and the ice nucleus active bacteria ...

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