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

Quick change-over switch circuit and equipment thereof

Номер: CN116232060A
Автор: GAO FEILONG
Принадлежит:

The invention discloses a quick change-over switch circuit and equipment thereof, and the circuit comprises an operation control unit which is externally connected with a computer and is used for operating and controlling the work of the whole circuit; the internal main control unit comprises a first MOS (Metal Oxide Semiconductor) tube which is connected with the operation control unit and is used as a change-over switch; the adjusting unit is connected with the internal main control unit and is used for switching the input direct-current voltage; the discharge unit is used for regulating and controlling the voltage drop time; the feedback unit is used for sampling loop voltage and feeding back the loop voltage to the control circuit; and the induction compensation unit is used for regulating and controlling the output voltage value. A computer is connected through an RS232 interface, remote automatic control is achieved, the efficiency is improved, and higher safety is achieved; the lost ...

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21-10-1998 дата публикации

Solid-liquid separating apparatus for gold-ore sorting by carbon slurry method

Номер: CN0002294961Y
Автор: GAO FEILONG, FEILONG GAO
Принадлежит: GAO FEILONG

The utility model discloses a solid-liquid separating apparatus for sorting gold ore with a carbon slurry method. The utility model has the essential structure that a barrel body is arranged under a bracket, a hollow shaft is arranged in the middle of the bracket, and the upper part of the hollow shaft is connected with a shaft body; a big belt pulley is arranged on the shaft body, the shaft body in the barrel body is connected with a screen body, and a rubber plate is arranged on the lower part of the barrel body; an ore outlet is arranged at the bottom of the screen body, and the lower part of the barrel body is connected with a conveying pipe. When the utility model is used, ore slurry enters the screen body which is rotated with high speed, and liquid with gold is thrown out and separated from ore. The utility model has the advantages of high recovery rate, short desorption time, small size and less investment.

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15-08-2023 дата публикации

Gas compressor casing unsteady pressure field distribution measurement and analysis method

Номер: CN116593061A
Принадлежит:

The invention provides a gas compressor casing unsteady pressure field distribution measurement and analysis method. The method comprises the steps that a plurality of dynamic sensors are arranged on a rotor casing to form array measurement points; enabling an acquisition system of the dynamic sensor to receive the trigger signal and start acquisition according to set acquisition parameters so as to obtain a pressure signal under the array measuring point; aiming at a plurality of circumferential measuring points at the same axial position, respectively establishing a space axis and a time axis according to the circumferential space positions of the measuring points and the measured pressure signal time sequence, and establishing a space-time correlation axis by utilizing the correlation of the space axis and the time axis; interpolating the pressure signals of the measuring points on the space-time correlation axis, respectively obtaining flow field reconstruction virtual channels under ...

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28-04-2023 дата публикации

Underground high-tensile self-escape composite coiled tubing

Номер: CN116025294A
Принадлежит:

The invention relates to the technical field of oil extraction equipment, and discloses an underground high-tensile self-escape composite continuous pipe which comprises a pipeline assembly and centralizers arranged on the pipeline assembly, the centralizers are arranged on the outer side of the pipeline assembly in a sleeving mode at intervals, the pipeline assembly comprises a pipeline main body and a falling layer, and the falling layer is arranged on the outer side of the pipeline main body. Pulling force on the outer side of the falling-off layer reaches the connection limit of the falling-off layer and the pipeline body, so that the connection relation between the falling-off layer and the pipeline body is relieved, and the pipeline body is pulled out of the falling-off layer. The falling layer is introduced to the outer side of the pipeline, when sand burying occurs during underground operation of the pipeline, the falling layer can automatically fall off when tension reaches 30T ...

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04-08-2023 дата публикации

Bidirectional transient flow measurement method for surge characteristic measurement of aero-engine test

Номер: CN116539315A
Принадлежит:

The invention belongs to the technical field of aero-engine test surge characteristic measurement and bidirectional transient flow measurement, and particularly relates to an aero-engine test surge characteristic measurement and bidirectional transient flow measurement method. A supporting rod of each transient conversion flow measuring instrument extends into a flow channel, a plurality of measuring stacks are arranged in the radial direction, a forward total pressure measuring point is arranged on the front edge of the section where each measuring stack is located, a reverse total pressure measuring point is arranged on the tail edge, static pressure measuring points are arranged on the two sides, and then whether surge happens or not is judged according to measured values of all the measuring points, and backflow characteristics are judged. And the transient flow in the flow channel can be obtained, including the forward and reverse bidirectional transient flow, and the backflow flow ...

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30-05-2023 дата публикации

Circuit, system and method for testing electrical performance of filter

Номер: CN116184078A
Автор: GAO FEILONG
Принадлежит:

The invention discloses a filter electrical performance test circuit, system and method, and the circuit comprises a test circuit which is used for carrying out the noise test, capacitance test and power-up test of a tested part, and obtaining test data; the test fixture is used for loading the test circuit, and the tested piece is fixed on the test fixture; the test software is used for controlling the automatic operation of the test fixture; the test circuit establishes connection with the test software through a communication interface on the test clamp; the test software comprises a driving program, an operation interface and a database, and the database is used for storing the test data. Devices used for testing are integrated together and connected to testing software through a communication interface of the testing clamp, index testing is controlled and completed through the testing software, testing data are automatically stored in a database, and the working efficiency is greatly ...

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16-12-2015 дата публикации

Novel stand grouts wall telephone

Номер: CN0204876606U
Автор: GAO FEILONG
Принадлежит:

The utility model discloses a novel stand grouts wall telephone, it includes shaped as frame advance frame, mortar case, regulating plate, fragment of brick rack, and the shaped as frame is advanced the frame and comprises two blocks of curb plates and two connecting plates, and two curb plate both ends tops are respectively through a connecting plate fixed connection, there is a regulating plate the same with curb plate length through spring coupling on an inner wall of the side panel, the mortar case passes through the pulley and slides the setting at two curb plate tops, it has two parallel arrangement's altitude mixture control pole to peg graft in the equal vertical activity in the middle part of every connecting plate, activity hinge joint has a fragment of brick rack between two altitude mixture control pole bottoms on a connecting plate. The advantage: simple structure, convenient to use can pile up the fragment of brick on the wall body when the mortar is scribbled in the completion ...

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27-08-2014 дата публикации

Physical simulation experiment method and experiment device for evaluating matching relation of chemical oil-displacing agent and reservoir permeability

Номер: CN104005744A
Принадлежит:

The invention discloses a physical simulation experiment method and a series micropore filter membrane flow experiment device for evaluating the matching relation of a chemical oil-displacing agent and the reservoir permeability. The series micropore filter membrane flow experiment device comprises a pressure difference control and measurement assembly, a module combined type series filter membrane unit assembly and a data real-time collecting and processing assembly. The pressure difference control and measurement assembly comprises an air oil-less compressor, a stabilized pressure pump and a pressure sensor. The module combined type series filter membrane unit assembly comprises a liquid storage device and a micropore filter membrane mounting device. The data real-time collecting and processing assembly comprises a balance and a weight and pressure measuring software system, wherein the balance and the weight and pressure measuring software system are connected with a computer. The weight ...

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07-04-2023 дата публикации

Arbitrary vector light beam generation method based on hologram coding

Номер: CN115933208A
Принадлежит:

The invention provides an arbitrary vector light beam generation method based on hologram coding, which comprises the following steps: S1, manufacturing a holographic grating, recording a phase loaded on an SLM by using a holographic plate by using an optical holographic technology, and manufacturing the holographic grating required by vector light generation; s2, generating any vector light beam by using the holographic grating, introducing a Wollaston branch mirror to generate two reference light beams at the same angle by using a laser and beam expanding system which is the same as the holographic grating in generating light path, and irradiating the holographic grating at the same incident angle after the two reference light beams respectively pass through two reflectors. According to the method, the holographic grating is shot by directly utilizing an optical holographic technology, a vector light generation system is designed by combining an angle multiplexing technology in holography ...

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18-08-2023 дата публикации

Composite continuous pipe with high external pressure resistance and high temperature resistance

Номер: CN116607888A
Принадлежит:

The invention relates to the technical field of oil pipelines, and discloses a high-external-pressure-resistant and high-temperature-resistant composite continuous pipe which comprises an outer pipe layer, a pipeline assembly arranged in the outer pipe layer and a centralizer arranged on the outer side of the outer pipe layer in a sleeving mode, the outer side of the pipeline assembly is sleeved with a plurality of supporting rings, and the supporting rings are distributed on the outer wall of the pipeline assembly at intervals. A rolling assembly is arranged between the inner side of the pipeline assembly and the outer side of the pipeline assembly, and the pipeline assembly moves in the outer pipe layer along the axis of the pipeline assembly through the rolling assembly. The outer pipe layer is arranged on the outer side of the pipeline, the pipeline assembly can be separated from the underground conveniently under the conditions of sand burying and the like, rolling friction is used ...

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25-07-2023 дата публикации

Exhaust injection structure capable of realizing stepless adjustment of injection ratio

Номер: CN116481813A
Принадлежит:

The invention provides an exhaust injection structure capable of achieving stepless adjustment of the injection ratio, and belongs to the technical field of turbine or aero-engine tests. An injection cylinder; the injection ratio adjusting structure comprises a static plate assembly and a plurality of adjusting movable plates, the static plate assembly is fixedly arranged at the front edge of the injection barrel, the multiple adjusting movable plates are evenly distributed in the circumferential direction of the circle center of the static plate assembly, and the adjusting movable plates can slide relative to the static plate assembly in the radial direction; and a multi-arc channel area for adjusting the injection ratio is formed between the adjusting movable plate and the exhaust funnel. Compared with an automatic adjusting mechanism in the prior art, the exhaust injection structure has the advantages that stepless adjustment of the exhaust injection ratio can be achieved under the condition ...

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04-04-2023 дата публикации

Acrylic composite pearl plate and preparation method thereof

Номер: CN115894990A
Принадлежит:

The invention provides an acrylic composite pearl plate which comprises a main body basic plate, and one side of the main body basic plate is fixedly connected with a strength plate. According to the acrylic composite pearl plate and the preparation method provided by the invention, through the setting of the step 3, the step 4 and the step 5, the overall heat resistance of the material is directly improved by putting a flat plate containing the material into ultraviolet equipment for irradiation, and the surface of the material is coated with a film after natural cooling, so that the heat resistance of the material is improved. The method can effectively prevent the materials from being doped with external impurities, guarantees the purity degree of the materials, can directly improve the strength of the acrylic plate materials at high temperature, further improves the heat resistance of the plate materials through secondary treatment of the materials, and improves the heat resistance ...

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30-05-2023 дата публикации

Nanometer zero-valent iron loaded on sulfurized charcoal as well as preparation method and application of nanometer zero-valent iron

Номер: CN116177710A
Принадлежит:

The invention discloses vulcanized biochar-loaded nanoscale zero-valent iron as well as a preparation method and application thereof. The vulcanized biochar-loaded nanoscale zero-valent iron comprises biochar and particles which are loaded on the biochar and take zero-valent iron as a core and iron sulfide as a shell. According to the preparation method of the vulcanized biochar-loaded nano zero-valent iron, vulcanization and biochar modification are coupled, so that the sodium borohydride aqueous solution and the vulcanizing agent aqueous solution are sequentially added, and an iron sulfide layer is formed outside the zero-valent iron; the electron efficiency and the degradation efficiency on the tetrabromobisphenol A are improved, so that 100% degradation of the tetrabromobisphenol A can be realized in the 9th hour of degradation of the sulfurized biochar loaded nano zero-valent iron.

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29-08-2023 дата публикации

Open hole well fracturing crack directional opening tool and construction method

Номер: CN116658143A
Принадлежит:

The open hole well fracturing crack directional opening tool comprises a tool string, the tool string comprises a sliding sleeve, the sliding sleeve is arranged in a pipeline, the sliding sleeve is arranged in the pipeline in a sliding mode, a sliding spray hole is formed in the sliding sleeve, a ball seat is fixedly connected to the sliding sleeve, a through hole is formed in the ball seat, a steel ball is detachably connected to the ball seat, and a fixed spray hole is formed in the pipeline; the hydraulic rock breaking device comprises a base, a channel is formed in the base, a liquid outlet hole is formed in the end of the pipeline and communicates with the channel, a plurality of connecting holes are formed in the base, plungers are inserted into the connecting holes and slidably arranged in the connecting holes, the connecting holes communicate with the channel through via holes, and top plates are fixedly connected to the plungers. A spring and a lateral elastic baffle are arranged ...

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18-08-2023 дата публикации

Gas pressure measuring device in aero-engine flow channel

Номер: CN116609066A
Принадлежит:

The invention provides a device for measuring gas pressure in an aero-engine flow channel, which is characterized in that one end of a pressure measuring pipeline is communicated to a gas pressure measuring point in the aero-engine flow channel, the other end of the pressure measuring pipeline is divided into three branches which are respectively connected to three pressure measuring data acquisition modules with different measuring ranges, and three electric control valves are configured; the controller is connected with the three pressure measurement data acquisition modules and the electric control valves, the three electric control valves can be automatically controlled to be opened and closed according to the pressure of the gas pressure measurement points in the aero-engine flow channel, corresponding branches are connected, and the corresponding pressure measurement data acquisition modules are used for pressure measurement; the pressure measurement value of the pressure measurement ...

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28-07-2023 дата публикации

Method for measuring transient flow in aero-engine test flow channel

Номер: CN116499756A
Принадлежит:

The invention belongs to the technical field of transient flow measurement in an aero-engine test flow channel, and particularly relates to a transient flow measurement method in an aero-engine test flow channel, which is characterized in that a plurality of transient conversion flow measurement instruments are arranged on a flow channel measurement section along the circumferential direction, and a support rod of each transient conversion flow measurement instrument extends into the flow channel; a plurality of measurement stacks are arranged in the radial direction, a total pressure measurement point is designed at the front edge of the section where each measurement stack is located, static pressure measurement points are arranged on the two sides of the section, then the transient flow is calculated according to the measurement value of each measurement point, the response requirement of the change of the transient flow can be met, and the static pressure non-uniformity characteristic ...

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