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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 13. Отображено 13.
03-10-2019 дата публикации

MAP-BASED METHOD FOR ANALYZING EDUCATIONAL BIG DATA, AND SYSTEM

Номер: WO2019184052A1
Принадлежит:

A map-based method for analyzing educational big data, comprising: acquiring educational resource data and storing same into a database according to a certain data structure; constructing a theme map layer for each analysis theme, classifying and indexing data according to an analysis theme, loading the data to a corresponding theme map layer, and superimposing the theme map layer onto a base map to form a data map; analyzing data of the theme map layer according to the analysis theme and acquiring a theme analysis result; extracting data of multiple theme map layers in a target region, fusing the data and acquiring a region analysis result; acquiring learning preferences of users; and combining the learning preferences of the users according to the content of user requests and searching the region analysis result so as to respond to the user requests. By means of educational data being classified and analyzed according to different theme requirements, the present method may solve part ...

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13-06-2023 дата публикации

Dynamic graph embedding method and system of intelligent learning guiding system

Номер: CN116257659A
Принадлежит:

The invention relates to the technical field of intelligent learning guidance, in particular to a dynamic graph embedding method and system of an intelligent learning guidance system, and the method comprises the steps: carrying out the time sequence expansion of dynamic nodes, and generating a time sequence of the dynamic nodes; generating a first embedding matrix based on the sequence of the static nodes and the sequential sequence of the dynamic nodes; pooling the first embedded matrix through the transformation matrix, and outputting a second embedded matrix; for each node in the second embedded matrix, acquiring convergence features of all nodes based on the node-level attention features and the relationship-level attention features, and generating a final embedded matrix; and on the basis of the nodes in the final embedded matrix, constructing an objective function, and predicting a practice completion result of the learner through the objective function. According to the method, ...

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25-07-2023 дата публикации

Pre-data checking method and device for centralized monitoring system of transformer substation and medium

Номер: CN116483821A
Принадлежит:

The embodiment of the invention provides a substation centralized monitoring system preposed data checking method and device and a medium. The method comprises the steps that preposed remote signaling data and preposed telemetering data of all substation centralized monitoring systems connected to a substation to be checked are acquired; checking the consistency of preposed remote signaling data in each set of transformer substation centralized monitoring system of the transformer substation; checking the consistency of preposed telemetering data in each set of transformer substation centralized monitoring system of the transformer substation; and summarizing inconsistent data of the front telecommand data and the front telemetering data in each set of transformer substation. The pre-data checking method for the centralized monitoring system of the transformer substation is executed in batches through a computer program, the problems that time and labor are consumed and the efficiency is ...

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25-07-2023 дата публикации

Mobile phone part punching device

Номер: CN116475562A
Принадлежит:

The invention discloses a mobile phone part punching device, and relates to the technical field of mobile phone part machining, the mobile phone part punching device comprises a base, the upper surface of the base is fixedly connected with a workbench, the upper surface of the workbench is fixedly connected with two guide plates, the upper surface of the workbench is slidably connected with a sliding block, and one side of the sliding block is fixedly connected with a supporting rod; fixing rods are uniformly and fixedly connected to the upper surfaces of the supporting rods at equal intervals, compression springs are fixedly connected to the lower surfaces of the upper ends of the fixing rods, and sliding rods are fixedly connected to the bottoms of the compression springs. And under the extrusion of the extrusion groove, the piston pumps air into the fixed pipe, so that whether the surface of the workpiece is flat or not is detected through the air pressure change in the sealing box, ...

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25-04-2023 дата публикации

Cleaning device for cleaning wind power tower drum through unmanned aerial vehicle

Номер: CN116006421A
Принадлежит:

The invention relates to a cleaning device for cleaning a wind power tower drum through unmanned aerial vehicles, and belongs to the technical field of wind power tower drum cleaning. The cleaning device comprises the two unmanned aerial vehicles, the lower surfaces of the two unmanned aerial vehicles are fixedly connected with first water tanks, and the opposite sides of the two first water tanks are each provided with a plurality of first nozzles; first water inlet pipes are fixedly connected to the sides, deviating from each other, of the two first water tanks, the first water inlet pipes communicate with the interiors of the first water tanks, first arc-shaped plates are arranged below the first water tanks, brushes are fixedly arranged on the concave surfaces of the first arc-shaped plates, and two linkage rods are fixedly arranged on the convex surfaces of the first arc-shaped plates; the two linkage rods are arranged at the two ends of the first arc-shaped plate correspondingly, ...

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04-07-2023 дата публикации

Method and device for determining parameters of movable telescopic fence windproof support of transformer substation

Номер: CN116384082A
Принадлежит:

The invention discloses a method and a device for determining parameters of a windproof bracket of a movable telescopic fence of a transformer substation. The method comprises the following steps: acquiring basic information of the movable telescopic fence of the transformer substation; determining the designed wind speed of the movable telescopic fence windproof bracket of the transformer substation; calculating the windward area of the movable telescopic fence of the transformer substation based on the basic information; based on the basic information, designing the wind speed and the windward area, and calculating the wind load of the movable telescopic fence of the transformer substation; and calculating parameters of the movable telescopic fence windproof bracket of the transformer substation based on the wind load. According to the method, the stress condition of the fence in the wind is analyzed and calculated, accurate data support is provided for design and improvement of the fence ...

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02-05-2023 дата публикации

Cleaning device for unmanned aerial vehicle to clean photovoltaic module

Номер: CN116037534A
Принадлежит:

The invention relates to a cleaning device for an unmanned aerial vehicle to clean a photovoltaic module, and relates to the technical field of cleaning devices. The air pump is used for increasing air pressure into the water tank; the cleaning agent tank is connected to the bottom end of the water tank; the foam spray head is connected to the side wall of the water tank and is provided with a liquid suction pipe penetrating into the cleaning agent tank; the flushing mechanism is arranged on the side wall of the water tank; the mounting mechanism is connected to the side wall of the water tank and used for being connected with an undercarriage of the unmanned aerial vehicle; the lifting mechanism is arranged at the bottom end of the water tank; the flushing mechanism comprises a water supply ring communicated with the water tank; the flushing pipe is rotatably arranged in the water supply ring in a penetrating manner; the nozzle is arranged on the flushing pipe; the driving assembly is ...

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28-07-2023 дата публикации

Knowledge tracking method for enhancing topic similarity embedding based on weighted meta-path

Номер: CN116502713A
Принадлежит:

The invention relates to the technical field of knowledge tracking, in particular to a knowledge tracking method for enhancing topic similarity embedding based on a weighted meta-path, which comprises the following steps: establishing a weighted heterogeneous information network, and constructing a meta-path of the weighted heterogeneous information network; sampling question nodes through a biased random walk algorithm, outputting different question node sequences, and removing non-question nodes; obtaining feature vectors of the questions through an embedding algorithm, and outputting question embedding; fusing the question embedding and answering correctness vectors at the current moment to obtain an input vector, and outputting an updated knowledge state vector at the current moment; and predicting the probability that the learner correctly answers the next question. According to the method, the multi-dimensional and high-order similar semantics among the questions are extracted by ...

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04-04-2023 дата публикации

Production system of refrigerator environment-friendly leather

Номер: CN115890981A
Автор: SUN JIANWEN
Принадлежит:

The invention provides a production system of refrigerator environment-friendly leather. The production system comprises a refrigerator polyurethane recovery device, a foam crushing device, a resin regeneration device and a coating device which are sequentially arranged, the refrigerator polyurethane recovery device comprises a feeding device, a crushing device, a sorting device and a discharging device which are connected in sequence, and is used for obtaining rigid polyurethane foam; the foam crushing device comprises a crusher and a grinder which are connected in sequence; the discharging device is connected with the crusher; the resin regeneration device comprises a stirring machine, and the stirring machine is connected with the grinding machine; the coating device is connected with the stirrer; the problem that in the prior art, when refrigerator waste rigid polyurethane foam is treated, air pollution is likely to be caused, or the cost is high due to the fact that a very large occupied ...

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04-08-2023 дата публикации

Quantitative packing machine for test probe production

Номер: CN116534354A
Принадлежит:

The invention discloses a quantitative packing machine for test probe production, which relates to the technical field of test probe packing and comprises a first belt conveyor, a second belt conveyor and an intermittent conveyor, the discharging end of the first belt conveyor is located above the feeding end of the second belt conveyor so as to receive the probes conveyed by the first belt conveyor. The first belt conveyor and the second belt conveyor are fixedly connected with the first belt conveyor, a conveying belt of the second belt conveyor is fixedly connected with two adjusting belts, the two adjusting belts are symmetrically arranged, and a V-shaped groove is formed in the top of the second belt conveyor. On the other hand, due to the fact that the adjusting belt and the buffering assembly can buffer the falling kinetic energy of the probes, the situation that the probes are bent due to collision can be effectively avoided, and the yield is increased.

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30-06-2023 дата публикации

Electronic product recycling and demagnetizing device

Номер: CN116364383A
Автор: YU XINJIAN, SUN JIANWEN
Принадлежит:

The invention discloses an electronic product recycling and demagnetizing device, and relates to the technical field of electronic product recycling, the electronic product recycling and demagnetizing device comprises a conveying table and a sliding frame, the upper surface of the conveying table is fixedly connected with a demagnetizer, the outer wall of the sliding frame is rotatably connected with a rotating shaft in a penetrating manner, the outer wall of the rotating shaft is fixedly connected with a U-shaped plate, and the inner wall of the top of the U-shaped plate is symmetrically and slidably connected with sliding clamping blocks; two compression springs are fixedly connected between the sliding clamping block and the U-shaped plate, a workpiece which is not demagnetized thoroughly is clamped through the sliding clamping block, then the workpiece is driven to move upwards, then the workpiece pushes the guide column, so that the guide column rotates and is finally located at the ...

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25-07-2023 дата публикации

Photovoltaic module electrical parameter test result correction method and related device

Номер: CN116487285A
Принадлежит:

The invention belongs to the field of photovoltaic module testing, and particularly discloses a photovoltaic module electrical parameter test result correction method and related device.The correction method comprises the steps that a first test result obtained when a standard tester conducts N times of testing on a module under the standard condition is obtained, and a standard data set is established; acquiring a second test result of detecting the component for multiple times by the non-standard tester under a standard condition, and establishing a comparison data set; establishing a correction domain, assigning a correction value and a correction formula, obtaining normal production test data, and performing automatic correction and automatic judgment; the related device comprises a correction system, electronic equipment and a storage medium. By adopting the correction method provided by the invention, the work of repeatedly testing the product can be reduced, the testing efficiency ...

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01-08-2023 дата публикации

Recycling device for electronic parts

Номер: CN116512207A
Автор: YU XINJIAN, SUN JIANWEN
Принадлежит:

The invention relates to the technical field of electronic parts, and discloses an electronic part recycling device which comprises a box body, a top cover is rotationally connected to the outer wall of the rear side of the top of the box body through hinges, the outer wall of the front side of the top cover is clamped to the box body through lock catches, a baffle is fixedly connected to the inner wall of the bottom of the box body, and first sliding plates are symmetrically and slidably connected to the inner wall of the rear side of the box body; the front side of the first sliding plate is fixedly connected with an L-shaped plate, and the inner wall of the left side of the box and the baffle are rotationally connected with a lead screw. By means of the universal wheels and the pull rod, a worker only needs to lift the pull rod, the box body in a lying state is changed into an inclined state, a relatively labor-saving lever is formed among the universal wheels, the pull rod and the hand ...

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