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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 7. Отображено 7.
23-05-2012 дата публикации

Primary power supply system

Номер: CN0101895141B
Принадлежит:

The embodiment of the invention provides a primary power supply system which comprises an AC/DC conversion unit, a battery pack, an error amplifier and a mode switching unit, wherein the AC/DC conversion unit comprises a self-adaptation adjusting module, the mode switching unit comprises a floating module and an activating module, the voltage of the activating module is lower than that of the floating module, and the AC/DC conversion unit is used for converting an AC power supply to a DC power supply and supplying the DC power supply to the battery pack and a load; and the error amplifier is used for acquiring the feedback voltage of the AC/DC conversion unit and adjusting the output voltage of the AC/DC conversion unit by using the self-adaptation adjusting module based on the feedback voltage, and is also used for selecting a floating mode or an activating mode for the primary power supply system, wherein the output voltage of the AC/DC conversion unit in the activating mode is lower ...

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22-08-2023 дата публикации

Comprehensive assessment method for regional space disaster prevention and reduction and accident emergency capability in rural area

Номер: CN116629628A
Принадлежит:

The invention provides a rural area regional space disaster prevention and reduction and accident emergency capability comprehensive evaluation method, which comprises the following steps: acquiring a disaster prevention and reduction and accident emergency scheme, and evaluating the quality of the disaster prevention and reduction and accident emergency scheme according to a first evaluation condition to obtain a first evaluation result; according to the disaster prevention and reduction and accident emergency scheme, emergency simulation drilling is carried out, according to a second evaluation condition, the emergency simulation drilling effect is evaluated, and a second evaluation result is obtained; according to the disaster prevention and reduction and accident emergency scheme and the personnel participation condition in the emergency simulation drill, evaluating the personnel emergency processing quality according to a third evaluation condition, and obtaining a third evaluation ...

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04-04-2023 дата публикации

Dielectric loss on-line monitoring device based on electric field sensor

Номер: CN115902422A
Автор: LIU CHUN, ZHENG RUICHEN
Принадлежит:

The invention belongs to the technical field of on-line detection devices, and discloses a dielectric loss on-line monitoring device based on an electric field sensor, each dielectric loss test unit is provided with an electric field sensor and an antenna, and the antenna is in data connection with an intelligent terminal through a wireless module; and each dielectric loss test unit is provided with a current detection unit, a signal conditioning unit, a data arrangement and transmission unit and an electric field sensor unit. The electric field sensor unit is provided with an electric field sensor which is connected in series in the signal conditioning unit. The current detection unit is provided with a current sensor, the current sensor is connected with a test object and a signal conditioning unit, and the signal conditioning unit is provided with a signal conditioner and an AD converter. The current sensor is composed of an upper metal electrode and a lower metal electrode, the electrodes ...

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12-01-2011 дата публикации

Phase sequence detection method and device of three-phase alternating current

Номер: CN0101943718A
Принадлежит:

The invention discloses a phase sequence detection method and device of the three-phase alternating current and relates to the detection technical field. The setting of the device is as follows: a three-phase alternating-current transformer is firstly connected with a current-limiting resistor and secondly connected with the positive input end of a comparator, the output end of the comparator is connected with the IO port of a single chip microcomputer, and the IO port is also connected with a light-emitting diode used for indicating the phase-sequence information of the current. When a detection is performed, the three-phase alternating-current transformer reduces the voltage of each phase of the input three-phase alternating current and then performs the square wave shaping treatment, the rising edge of one phase of the three-phase alternating current is identified and then used as the reference datum; the condition that one of two other phases in the three-phase alternating current first ...

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24-11-2010 дата публикации

Primary power supply system

Номер: CN0101895141A
Принадлежит:

The embodiment of the invention provides a primary power supply system which comprises an AC/DC conversion unit, a battery pack, an error amplifier and a mode switching unit, wherein the AC/DC conversion unit comprises a self-adaptation adjusting module, the mode switching unit comprises a floating module and an activating module, the voltage of the activating module is lower than that of the floating module, and the AC/DC conversion unit is used for converting an AC power supply to a DC power supply and supplying the DC power supply to the battery pack and a load; and the error amplifier is used for acquiring the feedback voltage of the AC/DC conversion unit and adjusting the output voltage of the AC/DC conversion unit by using the self-adaptation adjusting module based on the feedback voltage, and is also used for selecting a floating mode or an activating mode for the primary power supply system, wherein the output voltage of the AC/DC conversion unit in the activating mode is lower ...

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09-03-2011 дата публикации

Grid connection controller for small generator set

Номер: CN0101984535A
Принадлежит:

The invention discloses a grid connection controller for a small generator set and relates to a control device in the field of electricity, which consists of four parts of a sampling circuit, a comparing circuit, a time delay circuit and a control circuit; the grid connection controller can respectively sample an external power grid circuit and an internal generator circuit through the sampling circuit, and the sampling circuit is completed by voltage reduction, rectification and resistance voltage division of an original power supply signal; and the sampling circuit is used for delivering the sampled signals to the comparing circuit, the comparing circuit is used for comparison, the comparison results are delivered to the time delay circuit, the control circuit works after a period of time delay through the time delay circuit, and the control circuit is used for emitting a control signal, thereby connecting a generator into a power supply system in an enterprise.

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04-04-2023 дата публикации

Employee mental health assessment and guidance system

Номер: CN115886812A
Принадлежит:

The invention provides an employee psychological health assessment and guidance system, which comprises an evaluation module, an evaluation task providing module, an evaluation task obtaining module, an evaluation module analysis module, an employee psychological health information obtaining module, an appointed terminal display module and a guidance module, and is characterized in that the evaluation module provides an evaluation task for an employee, obtains a first brain wave of the employee in the evaluation task execution process, and analyzes the first brain wave; the guiding module establishes a guiding recovery scheme according to the mental health information and executes the guiding recovery scheme, and the retesting module provides a retesting task for the employee after executing the guiding recovery scheme for a preset time period, obtains a second brain wave of the employee in the process of executing the retesting task, analyzes the mental health recovery amount of the employee ...

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