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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 14. Отображено 14.
25-10-2019 дата публикации

Photovoltaic source end distributed three-port conversion system

Номер: CN0209545173U

The utility model belongs to the technical field of photovoltaic power generation control systems. The photovoltaic source end distributed three-port conversion system comprises a photovoltaic sourceend, an energy storage device, a load and a TPC module, the photovoltaic source end is connected with the input end of the TPC module, the output end of the TPC module is connected with an output voltage bus, and the energy storage end of the TPC module is connected with an energy storage voltage bus; each input end of the three-port converter is independent from each other and is connected with aphotovoltaic source end; the energy storage ends are connected in parallel and then are connected to an energy storage voltage bus; the other end of the energy storage voltage bus is connected with the energy storage device; the output ends are connected in parallel and then are connected to an output wire bus; the three-port conversion system provided by the utility model solves the problems that the ...

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23-12-2015 дата публикации

Sideslip of lathe bed, hydraulic lift mechanism with move beam type longmen

Номер: CN0204893427U
Принадлежит:

The utility model discloses a sideslip of lathe bed, hydraulic lift mechanism with move beam type longmen. Its lathe bed is whole frame structure, the lathe bed lower part is equipped with the small rail car that can move on the ground rail, be equipped with two at least machining -position progressive along the length direction of work piece, the front side of every station and rear side are provided with the chassis, are equipped with clamping device between preceding, the rear end of left and right lathe bed and the corresponding chassis. Install hydraulic pressure elevating gear and synchronizer between lathe bed and the small rail car. The utility model discloses an adopt hydraulic pressure elevating gear to raise the lathe bed, transverse moving drive device drives the small rail car and has realized the conversion of lathe bed between a plurality of stations along ground rail motion, and every machining -position progressive can fix a position the lathe bed, under the condition that ...

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26-05-2023 дата публикации

Consensus data distribution method in block chain network and block chain network

Номер: CN116170464A
Принадлежит:

The invention provides a consensus data distribution method in a block chain network, and the method comprises the steps: determining a to-be-distributed target data fragment of a target consensus node from a specified number of data fragments obtained through the segmentation of consensus data based on an erasure code algorithm; and sending the target data fragment to a target relay node which establishes network connection with the target consensus node in each regional sub-network in the block chain network in a unicast manner, sending the target data fragment to the target relay node, so that the target relay node continuously broadcasts and sends the target data fragment to other relay nodes and common nodes which establish network connection with the target relay node in the area sub-network to which the target relay node belongs, and sending the target data fragment to the target relay node through the other relay nodes and the common nodes, and performing data recovery on the received ...

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25-10-2019 дата публикации

Multi-station hydraulic motor end cover boring device

Номер: CN0209532184U
Принадлежит: HU WANGJIAN

The utility model provides a multi-station hydraulic motor end cover boring device. The multi-station hydraulic motor end cover boring device comprises a shell, a driving assembly and a boring assembly. The driving assemblies are uniformly distributed in the mounting cavity in the circumferential direction; the driving assembly comprises a guide rod, a sliding block, a screw and a gear ring, the sliding block is in sliding fit with the guide rod and is in threaded connection with the screw, the gear ring is rotatably mounted in the mounting cavity, first gear teeth are arranged on the end faceof the gear ring, a first gear engaged with the first gear teeth is fixed to the end of the screw, second gear teeth are arranged on the inner wall of the gear ring, and engaged with a driving gear;the boring assembly is fixed to the sliding block. The multi-station hydraulic motor end cover boring device is simple and compact in structure, capable of achieving rapid positioning and multi-hole simultaneous ...

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26-08-2015 дата публикации

Numerical control gantry milling and drilling machine with soil foundation as workbench

Номер: CN104858660A
Принадлежит:

The invention discloses a numerical control gantry milling and drilling machine with a soil foundation as a workbench. A machine body is of an integral frame structure; rail trolleys capable of moving on ground rails are arranged on the lower portion of the machine body; two or more machining stations are arranged in the length direction of a workpiece, bottom racks are arranged at the front side and the rear side of each machining station respectively, and clamping devices are arranged between the front end and the rear end and the corresponding bottom racks at the left end and the right end of the machine body. A threaded rod lifting device and a synchronizing device are installed between the rail trolleys and the machine body. According to the milling and drilling machine, the soil foundation serves as the workbench, the workpiece clamping devices and workpiece locating devices are fixed on the soil foundation between the two ground rails, a super-long workpiece can be machined, the ...

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30-05-2023 дата публикации

Networking method of block chain network, block chain network and node equipment

Номер: CN116192891A
Принадлежит:

The networking method of the block chain network comprises the following steps: determining a target area sub-network corresponding to a geographic position where network equipment is located, and initiating registration for the target area sub-network; in response to completion of registration for the target area sub-network, determining whether the network equipment meets a condition of becoming the relay node; if yes, respectively establishing network connections with at least N consensus nodes in the consensus subnetwork as a relay node; wherein the value of N is greater than the maximum fault-tolerant node number of the block chain network; if not, respectively establishing network connection with at least M relay nodes in the target area sub-network as a common node; wherein M is a pre-calculated robustness threshold value corresponding to the relay node in the sub-network of the target area.

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30-06-2023 дата публикации

Transaction data pre-transmission method, block chain system and consensus node

Номер: CN116366282A
Принадлежит:

The embodiment of the invention provides a transaction data pre-transmission method, a block chain system and a consensus node. The method comprises the following steps: creating a local sub-chain based on transactions stored in a local transaction pool; wherein the local sub-chain comprises a plurality of sub-blocks which are created based on transactions stored in a local transaction pool and are used for generating proposal blocks; dividing each sub-block in the local sub-chain into a specified number of data fragments based on an erasure code algorithm, and sending the specified number of data fragments to other consensus nodes in a unicast manner, so that the other consensus nodes perform legality verification on the received data fragments, and in response to passing of the legality verification, continuing to broadcast and send the data fragments to other consensus nodes, and performing data recovery on the received data fragments by the other consensus nodes to obtain the sub-blocks ...

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23-12-2015 дата публикации

Use numerical control longmen drilling and milling machine of ground basis as workstation

Номер: CN0204893409U
Принадлежит:

The utility model discloses an use numerical control longmen drilling and milling machine of ground basis as workstation. Its lathe bed is whole frame structure, the lathe bed lower part is equipped with the small rail car that can move on the ground rail, be equipped with two at least machining -position progressive along the length direction of work piece, the front side of every station and rear side are provided with the chassis, are equipped with clamping device between preceding, the rear end of left and right lathe bed and the corresponding chassis. Install screw rod elevating gear and synchronizer between lathe bed and the small rail car. The utility model discloses use the ground basis as the workstation, work piece clamping device and work piece positioner are fixed in on two ground bases between the ground rail, workable overlength work piece, adopt screw rod elevating gear to raise the lathe bed, transverse moving drive device drives the small rail car and has realized the conversion ...

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23-12-2015 дата публикации

Sideslip of lathe bed, screw rod elevating system with move beam type longmen

Номер: CN0204893428U
Принадлежит:

The utility model discloses a sideslip of lathe bed, screw rod elevating system with move beam type longmen. Its lathe bed is whole frame structure, the lathe bed lower part is equipped with the small rail car that can move on the ground rail, be equipped with two at least machining -position progressive along the length direction of work piece, the front side of every station and rear side are provided with the chassis, are equipped with clamping device between preceding, the rear end of left and right lathe bed and the corresponding chassis. Install screw rod elevating gear and synchronizer between lathe bed and the small rail car. The utility model discloses an adopt screw rod elevating gear to raise the lathe bed, transverse moving drive device drives the small rail car and has realized the conversion of lathe bed between a plurality of stations along ground rail motion, and every machining -position progressive can fix a position the lathe bed, under the condition that effectively ...

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26-08-2015 дата публикации

Transversely-moving screw lifting mechanism of bed body with moving beam type gantry

Номер: CN104858669A
Принадлежит:

The invention discloses a transversely-moving screw lifting mechanism of a bed body with a moving beam type gantry. The bed body is of an integrated frame type structure. A rail trolley capable of moving on a ground rail is arranged at the lower portion of the bed body. At least two machining stations are arranged in the length direction of workpieces. Bottom frames are arranged on the front side and the rear side of each station. Clamping devices are arranged between the front ends and the rear ends of the left portion and the right portion of the bed body and the corresponding bottom frames. A screw lifting device and a synchronous device are installed between the bed body and the rail trolley. The bed body can be lifted through the screw lifting device, the rail trolley is driven by a transversely-moving drive device to move along the ground rail so that the bed body can be switched among the multiple stations, the bed body can be positioned through each machining station, and under ...

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30-05-2023 дата публикации

Consensus data distribution method in block chain network and block chain network

Номер: CN116192692A
Принадлежит:

The data transmission delay detection method in the block chain network comprises the following steps: receiving a detection message periodically broadcasted and sent by a consensus node in a consensus sub-network; wherein the detection message comprises a first network address of the consensus node and a first timestamp corresponding to a first moment when the consensus node sends the detection message; in response to the detection message, adding a second network address of the target relay node and a second timestamp corresponding to a second moment when the target relay node sends the detection message into the detection message, and sending the detection message added with the second network address and the second timestamp to the target relay node; and continuing to forward the detection message to other non-consensus nodes which establish network connection with the target relay node, so that common nodes in the other non-consensus nodes calculate and take a second network address ...

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29-08-2023 дата публикации

Transaction distribution method in block chain system, block chain node and block chain system

Номер: CN116668002A
Принадлежит:

The invention discloses a transaction distribution method, a block chain node and a block chain system. The method comprises the steps that a first node obtains a plurality of transactions from a transaction pool; a first transaction packet is generated, the first transaction packet comprises a first packet header and a plurality of transactions, and the first packet header comprises a packet header hash value of a previous transaction packet generated by the first node and first hash values of the plurality of transactions; generating 3f + 1 fragments based on the first transaction packet; respectively providing the 3f + 1 fragments for 3f + 1 nodes in the n nodes, and providing a first packet header for each node in the 3f + 1 nodes; the second node verifies the first fragment according to the packet header hash value of the previous transaction packet in the first packet header; and under the condition that the verification of the first fragment is passed, storing the first fragment ...

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28-04-2023 дата публикации

Networking method of block chain network, block chain network and node equipment

Номер: CN116032925A
Принадлежит:

The embodiment of the invention provides a networking method of a block chain network, the block chain network and node equipment. The block chain network comprises a consensus sub-network composed of a plurality of consensus nodes and at least one area sub-network corresponding to different geographic positions. The regional sub-network comprises a plurality of non-consensus nodes; the plurality of non-consensus nodes comprise at least one relay node for receiving consensus data from the consensus node; the common node is used for receiving the consensus data forwarded by the relay node from the relay node; the method comprises the following steps: determining a target area sub-network corresponding to a geographic position where network equipment is located, and initiating registration for the target area sub-network; in response to completion of registration for the sub-network of the target area, determining whether the network equipment meets a condition of becoming a relay node or ...

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26-08-2015 дата публикации

Transversely-moving hydraulic lifting mechanism of bed body with moving beam type gantry

Номер: CN104858670A
Принадлежит:

The invention discloses a transversely-moving hydraulic lifting mechanism of a bed body with a moving beam type gantry. The bed body is of an integrated frame type structure. A rail trolley capable of moving on a ground rail is arranged at the lower portion of the bed body. At least two machining stations are arranged in the length direction of workpieces. Bottom frames are arranged on the front side and the rear side of each station. Clamping devices are arranged between the front ends and the rear ends of the left portion and the right portion of the bed body and the corresponding bottom frames. A hydraulic lifting device and a synchronous device are installed between the bed body and the rail trolley. The bed body can be lifted through the hydraulic lifting device, the rail trolley is driven by a transversely-moving drive device to move along the ground rail so that the bed body can be switched among the multiple stations, the bed body can be positioned through each machining station ...

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