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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.
09-05-2023 дата публикации

Multi-phase regulation and control multi-end joint control impulse generator and pulse ignition system and method

Номер: CN116087699A
Принадлежит:

The invention discloses a multi-phase regulation and control multi-end joint control impulse generator and a pulse ignition system and method. The pulse ignition system comprises a control device and n sealed discharge gaps. An ignition device and a multi-phase monitoring assembly are embedded in the sealed discharge gap; the ignition device enables the sealed discharge gap to be disrupted and discharged under pulse triggering; the multi-phase monitoring assembly is used for monitoring internal environment data of the sealed discharge gap and transmitting a monitoring signal to the control device; the control device determines an optimal gap distance and an environment parameter according to the monitoring signal and the breakdown voltage; and adjusting the gap spacing of the sealed discharge gap and the environmental parameters according to the optimal gap spacing and the environmental parameters, so that the gap spacing of the sealed discharge gap and the environmental parameters meet ...

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02-05-2023 дата публикации

Right and interest processing method and device

Номер: CN116051180A
Автор: ZHANG CHENMENG, LI GE
Принадлежит:

The embodiment of the invention provides a right and interest processing method and device, and the method comprises the steps: obtaining a code value of a store service code uploaded by a program container deployed by an application program carrying a subprogram; the code value is obtained by acquiring and decoding the store service code by the subprogram; querying a store identifier mapped with the code value in a code value and store identifier mapping table; and determining right and interest information of a target store corresponding to the store identifier, and issuing the right and interest information to the program container, so as to send the right and interest information to the subprogram through the program container and display the right and interest information.

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13-08-2021 дата публикации

Perfluoropentanone mixed gas type electrical equipment insulating medium as well as preparation method and application thereof

Номер: CN113257459A
Принадлежит:

The invention discloses a perfluoropentanone mixed gas type electrical equipment insulating medium and a preparation method and application thereof. The mixed gas comprises perfluoropentanone and gas with low liquefaction temperature, the target partial pressure of the perfluoropentanone in the mixed gas is k, and k is greater than or equal to k1 and less than or equal to k2, wherein k1 and k2 are respectively the partial pressure of the perfluoropentanone in the mixed gas meeting the insulation requirement of the electrical equipment and the partial pressure of the perfluoropentanone in the mixed gas meeting the operating temperature requirement of the electrical equipment. The electrical equipment insulating medium not only can be directly used in the electrical insulating equipment, but also has a relatively low greenhouse effect and can replace SF6 gas.

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23-04-2014 дата публикации

Magnetic-valve controllable electric reactor phase-shifting self-coupling voltage-reduction soft starting method and device

Номер: CN103746612A
Принадлежит:

The invention relates to a magnetic-valve controllable electric reactor phase-shifting self-coupling voltage-reduction soft starting method and device. The device comprises a three-phase magnetic-valve controllable electric reactor, wherein the three-phase magnetic-valve controllable electric reactor comprises a core limb, a three-phase magnetic-valve controllable electric reactor winding and an auxiliary phase-shifting winding are wound on the core limb, the three-phase magnetic-valve controllable electric reactor winding is connected with the auxiliary phase-shifting winding through a fourth switch, and the two windings form an extension triangular phase-shifting self-coupling transformer structure; the three-phase magnetic-valve controllable electric reactor winding is connected with a thyristor. At the initial starting sage of a motor, the motor is softly started through the phase-shifting self-coupling voltage reduction manner; when the motor begins to start and the rotation velocity ...

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14-05-2014 дата публикации

Atenolol pH independent sustained-release tablets and preparation method thereof

Номер: CN103784413A
Автор: KE XUE, ZHANG CHENMENG, CHEN YI
Принадлежит:

The invention relates to the pharmaceutic preparation field and in particular relates to atenolol pH independent sustained-release tablets and a preparation method thereof. The atenolol pH independent sustained-release tablets are characterized by being prepared through the steps of evenly mixing a prescription amount of atenolol, HPMC (Hydroxy propyl methyl cellulose) K15M, eudragit RSPO, high-viscosity PEO (Polyethylene Oxide) and lactose monohydrate in such a manner of progressively increasing by equal amount, next, adding a small quantity of magnesium stearate and aerosil as the lubricant, and then forming the atenolol pH independent sustained-release tablets through a powder vertical-compression process. The pH independent sustained-release tablets are prepared effectively, and the slightly alkaline drug atenolol is provided to have similar release characteristic under different simulated gastrointestinal tract pH conditions. The HPMC stable in slow release performance is taken as ...

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11-03-2015 дата публикации

Hybrid compensation system and method for power quality of cophase power supply system

Номер: CN104410073A
Принадлежит:

The invention provides a hybrid compensation system and method for the power quality of a cophase power supply system. The system comprises a hybrid power quality conditioner, two magnetic-control static reactive power compensators and a V/V traction transformer, wherein the V/V traction transformer is connected by two single-phase transformers to be in V/V type, the primary edge of the V/V traction transformer is connected with a three-phase public power grid, and the two output ends of the secondary edge of the V/V traction transformer are traction power supply arms; the hybrid power quality conditioner and the two magnetic-control static reactive power compensators are respectively connected with the traction power supply arms. By the hybrid compensation of the magnetic-control static reactive power compensators and the hybrid power quality conditioner, the hybrid compensation system comprehensively solves the problems of reactive power, negative-sequence imbalance and harmonic waves ...

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22-04-2015 дата публикации

Harmonic suppression device based on epitaxy delta controllable reactor connection

Номер: CN104538964A
Принадлежит:

The invention relates to a harmonic suppression device based on epitaxy delta controllable reactor connection. The harmonic suppression device comprises a first group of magnetically controlled reactors using epitaxy delta connection and a second group of magnetically controlled reactors using epitaxy delta connection, wherein the first group of magnetically controlled reactors and the second group of magnetically controlled reactors have the same type and are connected in parallel; and a three-phase iron core column of the first group of magnetically controlled reactors and a three-phase iron core column of the second group of magnetically controlled reactors have flat five-core structures. The three-phase iron core column of the first group of magnetically controlled reactors and an alternating-current working winding of the second group of magnetically controlled reactors employ the epitaxy delta connection way; an alternating-current working winding of the first group of magnetically ...

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13-08-2021 дата публикации

Indoor positioning method based on angle estimation and fingerprint positioning algorithm

Номер: CN113259837A
Принадлежит:

The invention belongs to the technical field of communication, and relates to an angle estimation and fingerprint positioning fusion method, in particular to a passive positioning method fusing fingerprint positioning and angle estimation. The method can be applied to indoor positioning scenes, and under the premise of not increasing the storage cost of a fingerprint database and the complexity of a matching algorithm, a fingerprint positioning algorithm and an antenna array direction finding algorithm are fused, so that the indoor positioning precision is effectively improved; the method comprises the following steps: (1) collecting received signal strength in an area to be measured, and constructing a fingerprint database; (2) receiving data of a plurality of sending ends at a position to be detected, recording signal intensity, and performing preprocessing and normalization; (3) matching the fingerprint of a target to be detected with the fingerprint database; (4) constructing an indoor ...

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09-05-2023 дата публикации

Outdoor impulse current generator suitable for complex environment and horizontal structure of outdoor impulse current generator

Номер: CN116087700A
Принадлежит:

The invention discloses an outdoor impulse current generator suitable for a complex environment and a horizontal structure of the outdoor impulse current generator. The horizontal structure comprises a multi-stage capacitor and an insulating supporting structure which are arranged in an outer cover. Constructing an xyz coordinate system by taking the length direction of the outer cover as an x axis, the width direction as a y axis and the height direction as a z axis; the multiple stages of capacitors are distributed along the x direction, are parallel to the yOz surface, and are fixed on the insulating supporting structure; the insulation distance between each stage of capacitors is applied in the x direction. According to the invention, the structural positions of the multi-stage capacitors in the impulse current generator in the whole space coupling are changed, that is, the multi-stage capacitors are transversely and horizontally distributed, and the insulation distance between each ...

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