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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 7. Отображено 7.
25-07-2023 дата публикации

Flood discharge channel desilting equipment and using method thereof

Номер: CN116479991A
Принадлежит:

The invention discloses floodway desilting equipment in the technical field of water conservancy desilting equipment, which comprises a base and a fixed box, a fixed cylinder, a water filtering cylinder and a spiral shaft are arranged in the fixed box, a rotating cylinder, a scraping assembly and a feeding assembly are arranged on the front side of the fixed cylinder, an adjusting assembly is connected to the rear side of the fixed cylinder, and a rotating ring plate is arranged on the rear side of the fixed box. According to the device, the position of the material scraping assembly is adjusted through the adjusting assembly, so that the material scraping assembly is matched with the floodway, and the material scraping assembly and the feeding assembly are driven to rotate through the rotating cylinder, so that sludge on the wall surface of the floodway is cleaned and collected; sludge enters the water filtering cylinder, the sludge is conveyed through the spiral shaft, and water in the ...

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08-07-2015 дата публикации

Machining method of double-face thin-wall web plate part

Номер: CN104759699A
Принадлежит:

The invention provides a machining method of a double-face thin-wall web plate part. The method comprises the following steps: (1) remaining machining margin in axial direction according to the thickness of the web plate part; (2) determining machining parameters of the web plate part: main shaft revolution number, cutting depth, cutting width, single-tooth feed and tool feed; (3) determining cutting position; (4) determining cutting angle of the tool; (5) determining a machining mode: firstly machining a web plate on a boss, then machining a web plate on the contour part of the boss, and finally machining the web plate on the bottom surface. During machining of the web plate on the bottom surface, the machining mode and sequence are determined according to the number of the bosses. Through the method, the machined double-face thin-wall web plate meets the technical condition requirements of drawings, the problem of high probability of deformation of a part is solved, secondary correction ...

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24-06-2015 дата публикации

Machining method for ultrathin wall plate edge strips

Номер: CN104722822A
Принадлежит:

The invention relates to a machining method for ultrathin-wall plate edge strips. The machining method comprises the following steps that rough machining is performed by judging the types of ultrathin-wall fillet parts, a certain margin is preserved, the milling is performed after a cutting mode is selected, finally the finish machining is performed, the milling is performed on the ultrathin-wall fillet parts, the cutter quivering phenomenon is avoided, and the production efficiency of the parts is improved.

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11-07-2023 дата публикации

Equipment fault diagnosis rule compiling method and system

Номер: CN116415179A
Принадлежит:

The invention discloses an equipment fault diagnosis rule compiling method and system. The method comprises the following steps: acquiring test data of target equipment; determining a change trend of the test data; judging whether the change trend meets a preset condition or not; and when it is determined that the change trend meets the preset conditions, carrying out logic combination on the preset conditions to obtain a fault diagnosis rule of the target equipment. According to the system and the method, a user can gather and process different equipment and different test data, a fixed diagnosis rule is formed by performing frequency reduction operation, function processing, arithmetic calculation, logical operation, trend comparison and the like on the test data, and the rule is solidified into the system, so that the purpose of expert experience digitization is achieved, and inheritance of expert experience and knowledge is facilitated. According to the invention, a user can formulate ...

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04-07-2023 дата публикации

Dredging equipment

Номер: CN116378144A
Принадлежит:

The invention relates to the technical field of desilting, in particular to desilting equipment which comprises a stirring assembly, a blockage removing assembly and a fixing component, the stirring assembly comprises a driving component and a stirring component, one end of the driving component is connected with the stirring component, and the driving component can stretch or contract to drive the stirring component to move in the vertical direction; the unblocking assembly comprises a base and a first unblocking part, one end of the base is connected with the driving part, one end of the first unblocking part is connected with the end, away from the driving part, of the base, the first unblocking part comprises a rotating frame and a plurality of blades, one ends of the blades are connected with the rotating frame, and the other ends of the blades are connected with the driving part; the multiple blades are arranged in the circumferential direction of the rotating frame at intervals, ...

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15-08-2023 дата публикации

Construction method and structure for preventing limnoperna fortunei in hydraulic tunnel

Номер: CN116591708A
Принадлежит:

The invention discloses a construction method for preventing and controlling limnoperna fortunei in a hydraulic tunnel and a limnoperna fortunei preventing structure based on the method. The construction method for preventing and controlling limnoperna fortunei in the hydraulic tunnel comprises the following steps that S1, the wall face of the hydraulic tunnel is cleaned; s2, the cleaned wall face of the hydraulic tunnel is dried; s3, a base surface coating is added to the wall face of the hydraulic tunnel; s4, potholes in the wall face of the hydraulic tunnel are repaired, and a pothole repairing coating is formed; and S5, a limnoperna fortunei adhesion preventing coating is added to the wall face of the hydraulic tunnel. According to the construction method for preventing and controlling the limnoperna fortunei in the hydraulic tunnel, attachments such as the limnoperna fortunei on the wall face can be cleared away, a coating can be added to the wall face easily, and the coating and the ...

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18-06-2014 дата публикации

Mistake-proof calibration method for panel part

Номер: CN103869753A
Принадлежит:

The invention relates to a mistake-proof calibration method for a panel part. According to the technical scheme, the method comprises the following steps: manufacturing a standard calibration slot in a non-working area of a to-be-processed panel part; placing a panel on a working platform of a numerical control machine tool, starting a numerical control program, and causing a cutter to run along a running track of the standard calibration slot according to a designed program; if the panel is cut off by the cutter during the running process in the standard calibration slot or a distance h between the cutter and a mistake-proof standard surface of the standard calibration slot is greater than or equal to 0.05-0.1mm, confirming that the size of the adopted cutter, the setting of a processing original point or the calling of the numerical control program is in fault; checking the size of the adopted cutter, the setting of the processing original point or the numerical control program, adjusting ...

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