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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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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 8. Отображено 8.
20-08-2020 дата публикации

MICROSEISMIC/ACOUSTIC EMISSION SOURCE LOCALIZATION METHOD IN COMPLEX STRUCTURE HAVING EMPTY SPACE

Номер: WO2020164257A1
Принадлежит:

A microseismic/acoustic emission source localization method in a complex structure having an empty space, comprising the following steps: step 1, mounting a sensor at each of multiple different positions in a two-dimensional localization area; step 2, recording differences of actual times of receiving, by different sensors, a P-wave signal generated by an unknown microseismic/acoustic emission source; step 3, selecting nodes in the localization area, and calculating differences of theoretical travel times of the P-wave signal, which is generated by the microseismic/acoustic emission source and excited at the nodes, from the nodes to the different sensors; and step 4, determining degrees of deviation between the nodes and the unknown microseismic/acoustic emission source according to the differences of actual times and the differences of theoretical travel times, determining a node having the smallest degree of deviation from the microseismic/acoustic emission source, and taking coordinates ...

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06-06-2023 дата публикации

Fault cemented rock mass pressure-bearing remodeling device and working method

Номер: CN116223160A
Принадлежит:

The invention discloses a fault cemented rock mass pressure-bearing remodeling device and a working method. The fault cemented rock mass pressure-bearing remodeling device can be used for preparing fault cemented rock samples under different pressure-bearing conditions. Two groups of lever devices and a cemented rock sample remodeling device are combined and assembled, and the diagenesis process of fault cemented rock mass is evolved, so that fault cemented rock samples with different stress levels are prepared, and the physical and mechanical properties of the fault cemented rock mass are researched from the laboratory scale. The fault cemented rock mass pressure-bearing remodeling device comprises an L-shaped rigid support, a first lever device, a second lever device and a cemented rock sample remodeling device. The cemented rock sample remodeling device comprises a cylinder barrel fixedly connected to the L-shaped rigid support. The first lever device comprises a first rigid support ...

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14-07-2023 дата публикации

Integrated device and method for exploiting deep shale gas through directional perforation and hydraulic fracturing

Номер: CN116427891A
Принадлежит:

The invention discloses an integrated device and method for exploiting deep shale gas through directional perforation and hydraulic fracturing. The integrated device comprises a laser thermal stripping assembly, a dynamic hydraulic fracturing assembly and a rock debris collecting assembly. According to the method, laser is utilized to instantly heat the surface of the shale reservoir to generate perforation distribution with controllable distance and orientation and form complex thermal cracks in the reservoir around the perforation, the fracturing difficulty of the deep reservoir can be reduced, the shale gas analysis rate is increased, subsequent hydrofracture fracturing cracks are induced to directionally initiate to a fracturing area, and the fracturing efficiency is improved. The cracks are formed in the area needing directional fracturing, and the technical problems existing in existing directional perforation are solved; meanwhile, the dynamic hydraulic fracturing and combined fracturing ...

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09-05-2023 дата публикации

High-stress-induced multi-source auxiliary mechanical tool cutting rock breaking test device and high-stress-induced multi-source auxiliary mechanical tool cutting rock breaking test method

Номер: CN116087016A
Принадлежит:

The invention relates to the technical field of rock tests, in particular to a high-stress-induced multi-source auxiliary mechanical tool cutting rock breaking test device and a high-stress-induced multi-source auxiliary mechanical tool cutting rock breaking test method. The confining pressure box is arranged on the lower side of the frame body in a horizontal and vertical cross movement manner; the stress loading cylinders are horizontally fixed to the vertical sides of the confining pressure box respectively, and telescopic rods of the stress loading cylinders face the interior of the confining pressure box; the plurality of stress applying plates are respectively and vertically fixed on the telescopic rods of the plurality of stress loading cylinders on the same side of the confining pressure box; the rock breaking load applying unit is arranged above the position, corresponding to the confining pressure box, of the frame body and used for applying rock breaking load to the rock mass ...

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11-02-2004 дата публикации

阶梯式分段挤压崩矿跟随充填连续采矿法

Номер: CN0001474032A
Принадлежит:

In the continuous mining method, ore body are divided into sections, subsections and mini-sections stepwisely along the ore vein; arranging mini-section drilling mine tunnels along the ore vein in the ore body bottom wall and connecting the mini-section tunnels with the main ramp way via linking tunnel; arranging support and filling tunnel along ore vein in the upper wall in the ore section; stoping from two ends to the central part of the bordroom via stepped continuous advance; drilling fanned holes with rock drill machine, breaking ore with rock explosive, charging with charging machine and combined elementary error detonation; filling finished stope via filling tunnel and filling dewatering device; and supporting crushed upper wall roof with deep anchor rod and steel fiber concrete. The present invention has high production capacity, high safety, less ore loss and low mining cost.

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23-06-2023 дата публикации

Inspection robot

Номер: CN116291188A
Принадлежит:

The invention relates to the field of mine inspection, in particular to an inspection robot which comprises a walking unit used for moving the robot, and the walking unit is provided with a detection unit used for detecting the environment in a roadway; the video unit is used for shooting images in the roadway; the drilling unit is used for drilling surrounding rock; the grouting unit is used for grouting surrounding rocks; the transmission unit is used for transmitting the information detected by the detection unit and the image shot by the video unit to a background; and the remote control unit is used for remotely controlling the running of the walking unit, the detection unit, the drilling unit and the grouting unit. The method has the effect of realizing disaster reduction treatment in the mine in the inspection process.

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23-06-2023 дата публикации

Test system and method for simulating shale gas exploitation disturbance load induced fault activation

Номер: CN116296872A
Принадлежит:

The invention discloses a test system and method for simulating shale gas exploitation disturbance load induced fault activation, and the system comprises a triaxial stress chamber which is used for storing a shale sample and carrying out high-temperature and high-pressure loading on the shale sample, and a disturbance load loading assembly which carries out disturbance loading on the shale sample in a stratum in-situ state. A test hole communicating the inner side and the outer side of the triaxial stress chamber is formed in the triaxial stress chamber, the disturbance load loading assembly comprises a disturbance incident rod, a tractor and an impact device which are sequentially arranged on the traction platform along the axis of the test hole, one end of the disturbance incident rod is inserted into the test hole to be in butt joint with a shale sample, and the other end of the disturbance incident rod is connected with the tractor through a cushion block; the tractor is used for carrying ...

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14-07-2023 дата публикации

Rock breaking sampling equipment for asteroid and use method of rock breaking sampling equipment

Номер: CN116429476A
Принадлежит:

The invention discloses rock breaking sampling equipment for asteroid and a use method thereof, and the rock breaking sampling equipment comprises a mobile platform, a rock block collection assembly and a thermal stripping assembly which are arranged at the front end of the mobile platform, and a solar assembly arranged at the rear end of the mobile platform, the thermal stripping assembly comprises a microwave generator, a waveguide tube and a microwave irradiation plate which are connected in sequence, and the microwave irradiation plate carries out thermal stripping on the ore rock block located at the front end of the mobile platform to form a stripped rock block; the rock block collecting assembly comprises an air injection air curtain pipe, a rock block collecting pipe, a rock block collecting box, an air extracting pump, a second control valve, an air storage tank, a first control valve and an air compressor which are sequentially arranged in a communicating mode in the airflow direction ...

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