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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 10. Отображено 10.
04-04-2023 дата публикации

Sampling device for water conservancy and hydropower engineering

Номер: CN115901358A
Принадлежит:

The sampling device comprises a pedestal used for fixing the device and a sampling pipe used for water conservancy and hydropower engineering sampling, a telescopic rod with a supporting function is welded to the left end of the pedestal, and a first fixing plate used for fixing the sampling pipe is welded to the fixed end of the telescopic rod; a hollow L-shaped supporting plate is welded to the output end of the telescopic rod, a toothed plate used for moving is sleeved with the supporting plate, a micro motor is installed on the outer side of the end, away from the telescopic rod, of the supporting plate, the output end of the micro motor is connected with a rotating shaft, and the rotating shaft is sleeved with a circular gear meshed with the toothed plate. A second fixing plate is welded to the outer side of the lower end of the supporting plate, and the side, away from the supporting plate, of the second fixing plate is rotationally connected with a plurality of winding wheels used ...

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14-07-2023 дата публикации

Silicon-based composite material and preparation method thereof

Номер: CN116435493A
Принадлежит:

The invention relates to a silicon-based composite negative electrode material, which comprises silicon monoxide particles and three carbon coating layers, the surface of the silicon monoxide particles is coated with a carbon material, the carbon content of the composite negative electrode material is 2-10 wt%, and the average particle size D50 is 5-10 [mu] m; the Raman spectrum of the silicon-based composite negative electrode material meets the following conditions: 0.2 < = ISi/ID < = 1.2, 0.1 < = ISi/(ID + IG) < = 0.7, and ISi-O-Si < = 1600. On the basis of ensuring the coating uniformity of the carbon layer in the silicon-based composite material, the defect condition of the surface carbon layer is controlled, the lithium ion transmission in the charging and discharging process is facilitated, the lithium ion diffusion coefficient of the silicon-based composite material can be further improved, the ionic conductivity of the silicon-based composite material is improved, and the electrochemical ...

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25-04-2023 дата публикации

Self-supporting biomass carbon current collector, composite current collector and application

Номер: CN116014146A
Принадлежит:

The invention belongs to the field of electrochemical energy, and particularly relates to a self-supporting biomass carbon current collector, a composite current collector and application of the self-supporting biomass carbon current collector and the composite current collector. The self-supporting biomass carbon current collector has a relatively high specific surface area and a natural vertical pore channel structure, is modified by further loading lithium/sodium-loving transition metal sulfur/selenide, and is applied to a negative electrode of a metal lithium battery or a metal sodium battery, so that the local current density can be uniform, lithium/sodium metal can be guided to be uniformly nucleated, and the self-supporting biomass carbon current collector has a relatively high specific surface area and a natural vertical pore channel structure. Therefore, the cycle life and the cycle rate performance of the metal lithium/sodium battery are improved.

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26-05-2023 дата публикации

Path finding method and device

Номер: CN116166012A
Автор: WEI XUYANG
Принадлежит:

A way-finding method includes segmenting an obstacle to form a way-finding frame, the way-finding frame to determine a set of waypoints. The step of determining the waypoint set comprises the step of adding the starting point and the ending point into the waypoint set if the waypoint set is an empty set. And if the waypoint set is not the null set, traversing the waypoint set, generating a straight line intersecting with the path finding frame, and adding the intersection points into the waypoint set. And traversing the path point set, and if a connection line of the paths between the starting point and the ending point, a connection line of the paths between the starting point, the intersection point and the ending point, or a connection line of the paths between the starting point and the intersection point, the multi-intersection-point path and the intersection point and the ending point can generate a communication path, outputting the communication path. According to the method, the ...

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28-07-2023 дата публикации

Improved silicon-based composite negative electrode material and preparation method thereof

Номер: CN116504984A
Принадлежит:

The invention relates to an improved silicon-based composite negative electrode material, which comprises a silicon monoxide core layer and a carbon-coated shell layer, 0 < = I500-A < = 0.2, 0lt, i500-B/I500-C is less than 6; wherein I500-A represents the distribution proportion of the Raman surface scanning imaging crystal form silicon with the characteristic peak intensity being more than 500; i500-B represents the distribution proportion of the peak intensity of the characteristic peak D of the Raman surface scanning imaging carbon material at 500 or above; i500-C represents the distribution proportion of the peak intensity of the characteristic peak G of the Raman surface scanning imaging carbon material at 500 or above. By controlling the difference of three coating temperatures and gas sources and combining an intermittent and continuous ventilation method in a coating process, a core silicon-based material can be uniformly coated in a carbon layer, the formed carbon layer is uniform ...

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06-06-2023 дата публикации

Cooking utensil

Номер: CN116211140A
Принадлежит:

The invention provides a cooking utensil which comprises a shell, an air supply assembly and at least one heating part, the shell is provided with a cooking cavity, the air supply assembly is arranged in the shell and enables air in the cooking cavity to flow, the heating parts are arranged in the shell and used for heating the air in the cooking cavity, each heating part comprises N heating sections, and the N heating sections are arranged in the shell. At least two heating sections in the N heating sections have different heating powers, and N is an integer greater than or equal to 2. According to the cooking utensil, the heating sections with different heating powers are arranged in the cooking utensil, so that a thermal field generated by the heating piece can be complementary with an air field formed by the air supply assembly, the uniformity of heat distribution in the whole cooking cavity is improved, the heating speed is increased, and the cooking effect is improved.

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14-07-2023 дата публикации

Fine time-to-digital conversion circuit and method for long-distance single-photon distance measurement

Номер: CN116430399A
Принадлежит:

The invention belongs to the technical field of GM-APD single-photon detection, and particularly discloses a fine time-to-digital conversion circuit and method for long-distance single-photon distance measurement. The circuit comprises a coarse quantization module, a fine quantization module and a counting result integration module, the coarse quantization module comprises a coarse counting clock and a coarse counter, one output end of the coarse counting clock is connected with the input end of the coarse counter, and the output end of the coarse counter is connected with the counting result integration module; the fine quantization module comprises a fine counting clock and a fine counter, the other output end of the coarse counting clock is connected with the input end of the fine counting clock, the output end of the fine counting clock is connected with the input end of the fine counter, and the output end of the fine counter is connected with the counting result integration module ...

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18-08-2023 дата публикации

Intelligent control method and system for deploying and controlling ball, terminal and medium

Номер: CN116614709A
Принадлежит:

The invention discloses an intelligent control method and system for a deploy and control ball, a terminal and a medium, and the method comprises the steps: regulating and controlling a tracking target from an actual position in a monitoring image to a calibration position through simulation analysis, so as to obtain a simulation regulation and control parameter which is further corrected on the basis of a three-dimensional adjustment parameter of a ball-type camera; a plurality of simulation regulation and control parameters are combined to estimate and obtain an estimated regulation and control parameter at the next moment, and the estimated regulation and control parameter and a three-dimensional adjustment parameter are superposed and fused to control the dome camera, so that the dome camera can acquire a frame image of a tracking target approaching a calibration position as far as possible, image analysis is facilitated, and the tracking accuracy is improved. And the situation that ...

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21-07-2023 дата публикации

Anti-scratching carrying cart in elevator

Номер: CN116461589A
Принадлежит:

The invention discloses an anti-scratching carrying cart in an elevator, which comprises a cart plate, a cart handle, a lifting device, a lifting device and an anti-scratching device, wherein one side of the cart plate is provided with a cart handle; wheels are arranged at the bottom of the sweeping board; the magnetic attraction part is arranged on the side, away from the trolley handrail, of the lower portion of the trolley plate; the mounting base is arranged on an elevator car bottom plate close to the side wall in the elevator; a magnetic attraction rotating part is arranged on the mounting base; when the magnetic attraction component gets close to the mounting base, the magnetic attraction rotating part is attracted by the magnetic force of the magnetic attraction component to rotate, and the magnetic attraction component is limited and braked, so that the vehicle plate cannot collide with the side wall of the elevator car.

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21-07-2023 дата публикации

Underdrain floor drain and use method thereof

Номер: CN116464142A
Принадлежит:

The invention discloses a drainage blind ditch floor drain and a using method thereof, and relates to the technical field of drainage of hydropower station plant buildings, the drainage blind ditch floor drain comprises a floor drain drainage groove, and the bottom of the floor drain drainage groove is provided with a drainage connecting pipe; the drain grating is arranged on the floor drain drainage groove; the drain grating is used for intercepting impurities in sewage; the clogging monitoring integrated box is arranged on the trash holding grating; the clogging monitoring sensor is arranged in the clogging monitoring integrated box, and a preset distance exists between the clogging monitoring sensor and the ground; the clogging monitoring sensor is used for detecting the water level on the ground; and the alarm is in communication connection with the clogging monitoring sensor. According to the drainage blind ditch floor drain device, the planar drain grating is combined with the vertical ...

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