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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 9. Отображено 9.
23-06-2023 дата публикации

Network security intelligent decision automatic arrangement response method and system

Номер: CN116318818A
Принадлежит:

The invention belongs to the technical field of network security, and particularly relates to a network security intelligent decision automatic arrangement response method and system, and the method comprises the steps: constructing a vulnerability attack and defense knowledge graph according to network vulnerability attack information; alarm detection is carried out on the network attack behavior, the environment state of an alarm detection result is mapped to a vulnerability attack and defense knowledge graph state node through matching mapping, and the environment state comprises a network environment and attack information; and responding to the alarm information according to the known vulnerability attack and defense knowledge graph state node, the response security decision set and the attack type, and configuring the firewall according to the response decision. According to the method, vulnerability attack and defense knowledge graph construction, network attack alarm and strategy ...

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18-04-2023 дата публикации

MAX phase reinforced copper-based graphite composite material and preparation method thereof

Номер: CN115976357A
Принадлежит:

The invention provides a preparation method of an MAX phase reinforced copper-based graphite composite material, which comprises the following steps of: uniformly mixing the following components in percentage by mass: 25-35% of copper-coated graphite powder, 10-20% of Ti2SnC powder and the balance of pure copper powder; 40% to 60% of Ti2SnC powder; 10-25% of copper powder; the mixed powder is put into a mold to be pre-pressed; vacuum sintering is carried out under inert gas protection, the air pressure is set to be 20-30 Mpa, the temperature rising speed is 20-30 DEG C/min, the sintering temperature is 800-950 DEG C, and the heat preservation time is 5-30 min; and cooling along with the furnace. The MAX phase reinforced copper-based graphite composite material prepared by the preparation method has good self-lubricating performance and wear resistance at the same time.

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04-04-2023 дата публикации

Rolling process of difficult-to-deform alloy square and flat material

Номер: CN115889449A
Принадлежит:

The invention discloses a rolling process of a difficult-to-deform alloy square and flat material, which can meet square and flat products with consistent shapes, sizes, transverse and longitudinal mechanical properties and microscopic structures of small and medium-sized square and flat materials through reasonable process control. The technical process comprises the steps of blank design and preparation, heating, rolling cogging, rolling forming, waste heat straightening, surface finishing and finished product inspection. A square and flat material rolling process is mainly adopted and comprises a rolling cogging process and a rolling forming process. And technological parameters of states such as design of cogging size, basic distribution of rolling forming deformation, requirements of finish rolling temperature, surface flatness and the like are provided. The method has the beneficial effects that the special square and flat material rolling technology is utilized, and the requirements ...

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23-06-2023 дата публикации

Suspension type aquaculture tail water purification device

Номер: CN116282581A
Принадлежит:

The invention discloses a suspended aquaculture tail water purification device which comprises a floating bed, and a mounting frame is rotatably connected to the bottom of the floating bed; the multiple purification assemblies are arranged, and each purification assembly is connected to the side wall of the mounting frame and used for enabling water to flow into the other side of the corresponding purification assembly from one side of the corresponding purification assembly in the rotating process of the mounting frame; the number of the cleaning assemblies is multiple, and each cleaning assembly is slidably connected to the corresponding purification assembly and used for wiping and brushing the two side walls of the corresponding purification assembly; according to the device, under the action of a single driving source, rotation of the purification assembly can be achieved, the speed of a water body passing through the purification assembly is increased through rotating force, the water ...

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29-08-2023 дата публикации

Intelligent gas station safety supervision method based on deep learning visual algorithm

Номер: CN116665096A
Принадлежит:

The invention discloses an intelligent gas station safety supervision method based on a deep learning visual algorithm. The method comprises the following steps: S10, training a model; s20, performing back-end processing and front-end display; s10, training the model, wherein the step S10 comprises the following steps: S11, collecting data; s12, labeling data, and organizing a data set; and S13, setting a YOLOv5 framework training configuration file, and carrying out training. According to the method, some unsafe behaviors and dangerous conditions in a common gas station are analyzed, data acquisition is carried out by using an existing camera of the gas station, the data are analyzed and detected through a computer vision target detection algorithm, an identification result obtained by the algorithm is processed, and then safety behavior identification and early warning can be carried out on the whole domain of a station; the hidden danger safety can be effectively reduced to the minimum ...

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18-08-2023 дата публикации

Full-intelligent long-term reading eye protection table lamp

Номер: CN116614920A
Принадлежит:

The invention discloses a full-intelligent long-term reading eye protection table lamp which comprises a human body induction device, a light induction device, a timing device, a light intensity adjusting device, a color temperature adjusting device and a control mainboard device. The human body sensing device is used for detecting whether human bodies exist; the light sensing device is used for detecting the intensity of light in the space outside the irradiation area of the eye-protection table lamp. When the control main board device receives a first detection signal indicating that the human body exists, the timing device is controlled to time, and the timing device sends the counted induction time to the control main board device in real time; the control mainboard device determines the initial illumination intensity of the eye protection table lamp according to the environment light intensity signal sent by the light sensing device; and when the received effective reading time is ...

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09-06-2023 дата публикации

Social media cognitive threat detection method and system

Номер: CN116244446A
Принадлежит:

The invention belongs to the technical field of network security, and particularly relates to a social media cognitive threat detection method and system, and the method comprises the steps: collecting network platform sensitive topic text data, and carrying out the preprocessing of the data; for the preprocessed sensitive topic text data, obtaining a cognitive threat topic text through multi-level cognitive threat detection; constructing a cognitive threat propagation knowledge graph through named entity recognition and entity relationship extraction of a cognitive threat topic text; and performing user tracing, event tracing and organization tracing on cognitive threat topic text propagation based on the cognitive threat propagation knowledge graph. According to the method, for the topic text related to the specific topic and the sensitive event, the emotion tendency behind the topic text is used for recognizing the cognitive threat, compared with traditional manual proof, the identification ...

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25-08-2023 дата публикации

Underwater low-frequency electromagnetic wave positioning method

Номер: CN116643236A
Принадлежит:

The invention discloses an underwater low-frequency electromagnetic wave positioning method. The method comprises the following steps: 1, erecting a low-frequency electromagnetic wave transmitting system on a ship; 2, arranging an electrode of which the end is exposed in water underwater; 3, installing a set of electromagnetic wave receiving system on the underwater vehicle; 4, calculating the amplitude of each electromagnetic component of the radiation field point of the emission source by a program; 5, acquiring and processing the received voltage signal; 6, calculating the component amplitude of the electric field Ey; 7, obtaining a contour line of the two emission sources at the receiving point; and 8, solving a contour line intersection point, wherein the intersection point is a receiving point coordinate. The transmitting system is erected on a ship, the two wires with the ends exposed in the water are arranged underwater to be equivalent to couple sources, the electromagnetic field ...

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29-08-2023 дата публикации

Railway wagon character information identification method based on YOLOv5

Номер: CN116665094A
Принадлежит:

The invention discloses a railway wagon character information identification method based on YOLOv5, and the method comprises the steps: S1, obtaining a video frame image through an image input module, and detecting whether a vehicle enters a station or not in real time; s2, establishing a database table through a character detection module, detecting a character region, cutting the character region, and inputting the character region into a character recognition module; s3, a character recognition module performs character recognition on the character image cut by the character detection module to obtain a recognition result; s4, carrying out real-time detection by an image input module, and judging whether a vehicle leaves the station or not; if yes, S5, sorting and outputting are carried out through a data output module. According to the method, a fixed-focus camera is used for shooting at the two ends of a rail weighbridge, character information of a railway freight car is recognized ...

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