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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 10. Отображено 10.
26-05-2023 дата публикации

Tunnel stain-resistant decorative fireproof coating as well as preparation method and application thereof

Номер: CN116162385A
Принадлежит:

The invention provides a stain-resistant decorative fireproof coating for tunnels as well as a preparation method and application thereof, and belongs to the technical field of coatings. The coating comprises the following components in parts by weight: 30-45 parts of deionized water; 1-5 parts of a wetting agent; 1-5 parts of a dispersant; 1-5 parts of a defoaming agent; 30 to 75 parts of a cementitious filler; 100 to 200 parts of an emulsion; 100 to 250 parts of aluminum hydroxide and/or magnesium hydroxide; 50 to 200 parts of a flame-retardant filler; 100 to 200 parts of perlite and/or vermiculite; 15 to 35 parts of expanded graphite; 1-5 parts of medical stone and/or tourmaline; 3 to 10 parts of fiber; the flame-retardant filler is one or more of ammonium polyphosphate, aluminum triphosphate and melamine; when the thickness of the tunnel stain-resistant decorative fireproof coating is less than or equal to 3 mm, the effective fireproof time is more than or equal to 2 hours. When the ...

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22-08-2023 дата публикации

Low-carbon cementing material as well as preparation method and application thereof

Номер: CN116621475A
Принадлежит:

The invention provides a low-carbon cementing material as well as a preparation method and application thereof, and belongs to the technical field of cementing materials. The low-carbon cementing material is prepared from the following raw materials in parts by weight: 60 to 90 parts of limestone, 5 to 20 parts of perlite, 0.1 to 1 part of diaspore and 5 to 30 parts of attapulgite. The low-carbon cementing material provided by the invention can be used for replacing cement, carbon emission is negative, and the low-carbon cementing material is more environment-friendly.

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04-04-2023 дата публикации

Underwater sound target identification method based on adaptive multi-feature fusion model

Номер: CN115909040A
Принадлежит:

The invention belongs to the technical field of underwater acoustic target recognition, and particularly relates to an underwater acoustic target recognition method based on a self-adaptive multi-feature fusion model. Comprising the following steps: firstly, cutting original audio data to obtain a data set; extracting MFCC features from each audio and generating a two-dimensional time-frequency spectrogram; multi-dimensional feature extraction is carried out, wherein the multi-dimensional feature extraction comprises depth time sequence feature extraction, depth space feature extraction and depth frequency domain feature extraction; finally, constructing a self-adaptive multi-feature fusion model: preliminarily splicing the features extracted by the three networks as input; inputting the spliced feature set into a channel attention layer for adaptive weighting; and inputting the weighted information into a full connection layer to carry out underwater sound target identification. According ...

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05-01-2011 дата публикации

Simulation application-orientated universal extensible computing system

Номер: CN0101937359A
Принадлежит:

The invention discloses a simulation application-orientated universal extensible computing system. The system comprises a simulation model database 1, a simulation application management node 2 and a simulation computing node 3. The simulation model database 1 is the storage center of a simulation model; and a user can submit a newly developed model to the simulation model database 1 through the simulation application management node 2, and also can search the desired existing model in the simulation model database 1 through the simulation application management node 2 and download the model for use. The system has the advantages that: a simulation application integrated platform has universal function and extensible scale; the universality of the simulation platform and the plug and play of the simulation model realize dynamic adjustment of simulation computing load and resource use efficiency; the integration efficiency of the different application-orientated complex simulation system ...

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05-05-2023 дата публикации

Deep rock fracture toughness test system and method

Номер: CN116067777A
Принадлежит:

The embodiment of the invention provides a deep rock fracture toughness test system and method, and the system comprises a test piece, a vacuum pressure chamber and an upper computer; a confining pressure loading device, an axial pressure loading device, a resistance testing device and a camera device are arranged in the vacuum pressure chamber; the upper computer is used for controlling the confining pressure loading device and the axial pressure loading device to load pressure to the test piece, so that an initial crack on the test piece expands; and the upper computer is also used for acquiring the resistance change of the test piece and the extension image of the initial crack when the initial crack on the test piece is extended, and determining the fracture toughness of the test piece according to the resistance change of the test piece and the extension image of the initial crack. The tiny change of the crack of the test piece is detected by monitoring the resistance change of the ...

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12-01-2011 дата публикации

Biological intelligence scheduling method for simulation grid system

Номер: CN0101944157A
Принадлежит:

The invention provides a biological intelligence scheduling method for simulation grid system, comprising the following steps of: disassembling a simulation application into a group of calculation sub-tasks with a data input and output relationship by adopting a mode of facing a role model according to the features of simulation models on different nodes and the amount of simulation application tasks and forming corresponding simulation job resource groups; generating weight ratios of task resources, adopting a tree-hierarchy role diagram to express the data dependency among tasks in a simulation grid application, and making the consumption of the scheduling path of the selected sub-task be the lowest by using a multi-path hybrid ant colony intelligent scheduling method so as to realize a high-efficient scheduling of a simulation calculation operation with high performance. The biological intelligence scheduling method for simulation grid system has the advantages of ensuring that the simulation ...

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08-08-2023 дата публикации

Waterproof coating paint and preparation method thereof

Номер: CN116554776A
Принадлежит:

The invention provides waterproof coating paint and a preparation method thereof, and belongs to the technical field of paint. The waterproof coating paint comprises the following raw materials in parts by weight: 80-120 parts of polyether; 10 to 30 parts of a plasticizer; 50 to 100 parts of liquid asphalt; 30 to 60 parts of chlorinated paraffin; 0.5 to 2 parts of short fiber; 50 to 110 parts of bentonite; 15 to 30 parts of toluene diisocynate; and 0.1 to 1 part of dibutyltin dilaurate. The waterproof coating paint provided by the invention is easy to bond and cure in a humid environment, has good toughness and has a self-repairing function.

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27-06-2023 дата публикации

Waste curing component and processing technology thereof

Номер: CN116332612A
Принадлежит:

The invention discloses a waste curing component and a processing technology thereof, relates to the technical field of building waste treatment, and provides a waste curing component manufactured by building waste, a cementing material and water. The combination of clay, calcium oxide, iron dioxide, active silicon oxide, zinc oxide, boric oxide, magnesium oxide and fiber in the cementing material is utilized to improve the strength of the prepared component; the technical effects that the strength of the component made of the building waste is relatively high, and the requirement for the type of the waste is low are achieved.

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14-09-2005 дата публикации

Boost installation

Номер: CN0001667932A
Принадлежит:

This invention relates to a boosting device including a boosting circuit and a feedback control circuit, among which, said boosting circuit is used in regulating an input voltage to a pre-designed output voltage, said feedback control circuit detects the output voltage of said boosting circuit, when said output voltage is greater than or equal to a certain preset value, it stops the boost of the circuit to avoid residual energy cost.

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18-08-2023 дата публикации

Environment-friendly acoustic board as well as preparation method and application thereof

Номер: CN116606099A
Принадлежит:

The invention provides an environment-friendly acoustic board as well as a preparation method and application thereof, and belongs to the technical field of functional materials. The environment-friendly acoustic board comprises the following components in parts by weight: 50-100 parts of an inorganic gelling material; 30 to 150 parts of gravel; 30 to 100 parts of filler; 1 to 5 parts of fiber; 10 to 30 parts of titanium dioxide; 1-5 parts of a negative ion material; and 50 to 100 parts of water. The environment-friendly acoustic board provided by the invention has the characteristics of light weight, moisture resistance, environment friendliness, flame retardance and good weather resistance, and can be used as a tunnel decorative board.

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