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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.
02-06-2010 дата публикации

Planar acoustic array with wideband and super-wide covering property

Номер: CN0101718869A
Принадлежит:

The invention relates to a planar acoustic array with wideband and super-wide covering property, comprising a transmitting energy converter and a channel rubber baffle, wherein both the transmitting energy converter and the channel rubber baffle are fixed on a rigid mounting board; the channel rubber baffle uses a planar structure and is formed by binding a plurality of rubber pieces with holes and a rubber piece without hole; a group of small holes are installed on the rubber piece with holes; the rubber pieces with holes and the rubber piece without hole are provided with energy converter mounting holes for installing the transmitting energy converter. The invention has the following advantages: the energy converter in the invention uses a wideband energy converter compounded with longitudinal vibration and bending vibration of the front cover board of the energy converter; the energy converter has the advantages of high efficacy, wideband and big acoustic radiation ratio of start to ...

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28-04-2010 дата публикации

Broadband wide-wave-beam longitudinal vibration transducer

Номер: CN0101699559A
Принадлежит:

The invention relates to a broadband wide-wave-beam longitudinal vibration transducer which mainly comprises a front cover plate, a rear cover plate and a ceramic crystal pile, wherein the ceramic crystal pile is fixed on the front cover plate, the rear cover plate is matched with the front cover plate, and the rear cover plate is pressed on the ceramic crystal pile and extends towards the front cover plate, so that an extending section of the rear cover plate can be formed; the extending section of the rear cover plate is covered outside the ceramic crystal pile, and the part of the extending section of the rear cover plate close to the front cover plate extends outside along the inclined direction, so that the skirt of the rear cover plate can be formed; and the rear cover plate is provided with a prestress bolt which passes through the ceramic crystal pile and is fixed on the front cover plate. The transducer has the advantages that due to the special design of the skirt of the rear ...

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12-05-1993 дата публикации

METAL WIRE REDUCING DIE

Номер: CN0001071861A
Принадлежит:

The invention discloses a reducing die for drawing fluted metallic rod. The die is composed of a forming segment with a length of 6-15 mm and a taper of 9-18 degrees, a fine drawing-deforming segment with a length of 2-4 mm and a taper of 1-6 degrees and a fine drawing-finishing segment with a length of 3-6 mm and a spiral hole, which may have 3, 5 or 6 helixes or be in the spline form. The thread lead angle is 50-72 degrees or 80-120 degrees and its included angle corresponding to the exit section is 60 degrees for triangular material, 110 degrees for pentagon and 120 degrees for hexagon, and 90, 60 and 45 degrees respectively for 4, 6 and 8 flutes of a spline material. It can be used to draw fluted metallic rod with triangular, pentagon, hexagon and spline sections.

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07-10-2015 дата публикации

Slicer

Номер: CN0204686948U
Принадлежит:

The utility model provides a slicer, including the casing, casing upper portion is equipped with the feeder hopper, and the feeder hopper lower part is equipped with into the charging tray, goes into the charging tray lower part and is equipped with the cutter dish, is equipped with the cutter on the cutter dish, the motor of casing lower part with cut cutter connection, be equipped with the take -up (stock) pan on the casing of cutter dish below, establish on the take -up (stock) pan and connect material mouthful, go into to be equipped with two pan feeding mouths on the charging tray, the pan feeding mouth is corresponding with two exports of feeder hopper below respectively, is equipped with two discharge gates corresponding with the pan feeding mouth on the take -up (stock) pan, cutter in through the fixed recess of being satisfied with the cutter dish of adjustable screw silk. The utility model discloses to go into the charging tray and change two into by an entry, and increase the ...

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02-09-2015 дата публикации

Production process of deoxidant packaging paper

Номер: CN104878658A
Принадлежит:

The invention provides a production process of deoxidant packaging paper. The production process comprises the following steps: (1) punching diamond-shaped holes with diameters of 0.6 mm and hole pitches of 2*2 mm into a polypropylene film after printing patterns on the polypropylene film by using ester soluble printing ink; (2) bonding the punched polypropylene film with food-grade white wood pulp paper through a compound machine by using an ester soluble bonder; (3) sending the bonded polypropylene film and food-grade while wood pulp paper into a curing chamber for curing; (4) punching diamond-shaped holes with diameters of 1 mm and hole pitches of 2.5*2.5 mm into a polyethylene film by using a punching machine; (5) bonding the punched polyethylene film with the cured polypropylene paper film through the compound machine by using the ester soluble bonder; (6) sending the bonded polyethylene and polypropylene film into the curing chamber for curing; and (7) cutting into packaging paper ...

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16-12-1998 дата публикации

Rotary sealing device

Номер: CN0002300768Y

The utility model discloses a rotating sealing device which transfers high pressure liquid from still parts to high-speed rotating parts. Sealing pieces (7) at both sides of main radial direction ring grooves (17') (18') on a rotating connecting shaft piece (4) are arranged in pairs, the upper side of a fixed housing (1) is processed with an auxiliary oil passage (9), an auxiliary oil inlet (2) and an auxiliary oil outlet (13), and the position between every pair of sealing pieces (7) on the rotating connecting shaft piece (4) is processed with an auxiliary radial direction ring groove (8) which is communicated with the auxiliary oil passage (9) on the fixed housing (1). Because of the arrangement of the auxiliary oil passage, the rated transmission pressure of a main pressure oil passage and the service life of the rotating sealing device are enhanced.

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07-10-2015 дата публикации

Granule mincer

Номер: CN0204685223U
Принадлежит:

The utility model provides a granule mincer, including the organism, organism upper portion is equipped with the hopper, and the lower part is equipped with the discharge gate, is equipped with the motor on the organism, and the motor passes through drive chain and links to each other with the cutter, blade on the cutter is square, be equipped with the duster on the organism, the duster is adjacent with the cutter, and the sword tooth on the duster is wrong mutually each other with the section on the cutter, be equipped with the adjustable screw silk on the organism. The utility model discloses make original cutter into square blade, it is big or small even to cut the granule that, and the granule on the cutter is effectively got rid of to the duster, on -stick sword, unblock, and work efficiency improves greatly.

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