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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 12. Отображено 12.
05-06-2020 дата публикации

Adjustable supporting device for precision machining

Номер: CN0210678601U
Автор: LEI LIZHU, HU YUANHANG
Принадлежит: LIAONING MECHATRONICS COLLEGE

The utility model discloses an adjustable supporting device for precision machining. The device comprises supporting legs, the tops of the supporting legs are fixedly connected with a lifting device,the supporting legs are fixedly connected with two telescopic rods through the lifting device, and the tops of the telescopic rods are fixedly connected with a buffer device. The utility model discloses an adjustable supporting device for precision machining. Lifting devices are arranged at the tops of the supporting legs; requirements capable of machining workpieces, adjusting the height of a support base, when the workpiece is placed on the top plate; a worker can tread the first air bag with a foot; the second air bag is driven to expand, the moving plate is driven to move, the ejecting block is ejected, the workpiece is placed on the ejecting block, the first air bag is slowly loosened, the workpiece is slowly placed on the ejecting plate, abrasion is reduced, and when the workpiece needs ...

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01-08-2023 дата публикации

Suspended formwork construction method and construction device thereof

Номер: CN116517282A
Принадлежит:

The invention relates to the technical field of building construction, in particular to a suspended formwork construction method and a construction device.The construction method at least comprises the following steps that S10, firstly, a structural building capable of achieving floor formwork erecting is constructed, and a to-be-poured structure which cannot achieve floor formwork erecting is reserved; s20, on the constructed structural building body, a suspension frame is erected through the supporting bodies, the main beams and the secondary beams, suspension rods are arranged on the secondary beams, and the main ridges are suspended through the action of the suspension rods; and S30, secondary keels are placed on the main ridges, short steel pipes are placed on the main ridges and the secondary keels, and formwork laying is conducted. The suspended formwork construction method has the advantages of being high in applicability, short in construction period, high in construction efficiency ...

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02-06-2023 дата публикации

Flat lens with equivalent negative refractive index and preparation method thereof

Номер: CN116203657A
Принадлежит:

The invention discloses an equivalent negative refractive index flat lens and a preparation method thereof. The method comprises the following steps: (1) forming reflecting layers on two opposite sides of a transparent substrate layer; (2) forming a protective layer on each reflecting layer; (3) forming a first bonding metal layer on one of the protection layers, and forming a second bonding metal layer on the other protection layer; (4) at least two planar optical waveguides are stacked in the first direction, the first bonding metal layer in the planar optical waveguide abuts against the second bonding metal layer in the adjacent planar optical waveguide, and heating and pressure applying are carried out; (5) taking two groups of multi-layer flat plate optical waveguides, cutting one of the multi-layer flat plate optical waveguides into a plurality of first strip-shaped flat plate optical waveguides, and cutting the other one of the multi-layer flat plate optical waveguides into a plurality ...

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18-02-2015 дата публикации

Cup stand assembly with adjustable inner chamber depth

Номер: CN104354629A
Принадлежит:

The invention provides a cup stand assembly with adjustable inner chamber depth. The cup stand assembly includes a cup stand body capable of being fixed and provided with an inner chamber, and a base plate positioned inside the inner chamber of the cup stand body and being in vertical sliding fit with the cup stand body through external force, wherein the sliding fit of the cup stand body and the base plate can be locked at any fitting position. According to the invention, relative height of the base plate of the cup stand in the inner chamber of the cup stand body can be adjusted through downwards pressing external force, so that the depth of the accommodating chamber of the cup stand can be adjusted, and the self-locking after the depth of the accommodating chamber of the cup stand is adjusted in place can be realized; the structure is simple, the operation is convenient, and the function is reliable. The cup stand assembly is applied to the situation that a water cup or other columnar-shaped ...

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30-05-2023 дата публикации

Sedimentation tank suitable for terrains with complex height difference

Номер: CN116173565A
Принадлежит:

The invention provides a sedimentation tank suitable for complex height difference terrains, which comprises ground, a sedimentation tank bottom and a sedimentation tank body, and is characterized in that a single-stage sedimentation tank is arranged on each of the ground with height difference, round holes are formed in two parallel sides of the sedimentation tank body in a penetrating manner, the round holes in the two sides correspond to each other, and a pipeline is mounted between every two adjacent sedimentation tanks; a water inlet is formed in the round hole in one side of the first single-stage sedimentation tank, a water outlet is formed in the round hole in one side of the last single-stage sedimentation tank, a partition plate is arranged between the two sides, not provided with the round holes, of the sedimentation tank body, and overflow holes are formed in the partition plate. And the position height of the overflow hole is lower than the height of the sedimentation tank.

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01-04-2015 дата публикации

Cup holder and vehicle employing same

Номер: CN104477067A
Принадлежит:

The invention provides a cup holder and a vehicle employing the same. The cup holder comprises a body structure, a regulating mechanism and a clamping structure, wherein the regulating mechanism is positioned on the lower side of the body structure; the clamping mechanism is positioned on the outer side of an upper area of the body structure; the body structure comprises at least two symmetric arc-shaped cup holder arms; a rack is arranged at the bottom of each arc-shaped cup holder arm; the regulating mechanism comprises a supporting tray; the supporting tray and the arc-shaped cup holder arms constitute a holding space of the cup holder together; a supporting column is arranged at the bottom of the supporting tray and is sleeved by a gear; the gear is occluded with the racks and can drive the rack to move, so that the body structure is movably connected with the regulating mechanism; the clamping structure is used for limiting the movement displacement of the racks. According to the cup ...

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09-05-2023 дата публикации

Coated glass and magnetron sputtering coating method

Номер: CN116081959A
Принадлежит:

The invention discloses coated glass and a magnetron sputtering coating method, the coated glass comprises glass, and an optical film layer, a metal film layer and a protective layer which are sequentially coated on the glass, the reflectivity of the coated glass to visible light is t, and t is greater than or equal to 89%. The coated glass comprises the optical film layer and the metal film layer, the metal film layer has a large extinction coefficient, and when a light beam enters the metal surface from air, the amplitude of light entering the metal is rapidly attenuated, so that light energy entering the metal is correspondingly reduced, and reflected light energy is increased. The refractive index of the optical film is higher than that of the glass, so that the reflectivity of light on the surface of the coated glass can be improved. Therefore, the metal film layer is combined with the optical film layer, so that the light reflectivity of the coated glass can be further improved. And ...

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28-07-2023 дата публикации

Method, system and equipment for identifying disturbed state of PSK (Phase Shift Keying) digital modulation communication signal and medium

Номер: CN116506043A
Принадлежит:

A PSK digital modulation communication signal disturbed state identification method, system, device and medium, and the method comprises the steps: firstly analyzing characteristic parameters of different modulation types of signals, including spectrum symmetry, spectrum discrete peak number, time domain amplitude entropy, power spectrum entropy and high-order cumulant ratio, and analyzing the characteristic parameters of the spectrum symmetry, the spectrum discrete peak number, the time domain amplitude entropy, the power spectrum entropy and the high-order cumulant ratio; obtaining characteristic parameters used for disturbed state identification; secondly, according to the characteristic parameters of spectrum symmetry, the number of spectrum discrete peaks, the time domain amplitude entropy, the power spectrum entropy and the high-order cumulant ratio, determining a stable range when the PSK characteristic parameters are free of interference, and judging whether the signal is disturbed ...

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03-09-2014 дата публикации

Headrest locking device and vehicle provided with same

Номер: CN104015641A
Принадлежит:

The invention discloses a headrest locking device and a vehicle provided with the same. The headrest locking device comprises a headrest rod, a positioning element, a locking sliding block and a locking shell. The upper end of the headrest rod is connected with a headrest, the lower end of the headrest rod penetrates through the top pf a chair backrest, the headrest rod is provided with at least one clamping groove, the positioning element is fixed to the top of the chair backrest, the headrest penetrates through the positioning element, the locking sliding block can be movably arranged on the positioning element, the locking sliding block is matched with the clamping groove in the moving process to lock or unlock the headrest rod, the locking shell is rotatably arranged outside the positioning element in a covering mode, the locking shell is matched with the locking sliding block to drive the locking sliding block to move between a locking position and an unlocking position, and the headrest ...

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07-07-2023 дата публикации

Suspension device for edge operation and use method

Номер: CN116397910A
Принадлежит:

The invention relates to the field of constructional engineering, in particular to a suspension device for edge operation and a using method, and the device comprises a supporting part (10), a rotating part (20), a bearing part (30) and a safety hanging buckle (40); the bearing piece (30) is used for penetrating through a reserved hole of a building body, one end of the bearing piece (30) is connected with the safety hanging buckle (40), and the other end of the bearing piece (30) is connected with the rotating component (20). The supporting piece (10) is connected with the rotating component (20), and the supporting piece (10) and the bearing piece (30) can rotate by 0 degree or more and 180 degrees or less under the action of the rotating component (20). The suspension device for the edge operation has the advantages of being convenient to assemble and disassemble, simple in structure and low in cost.

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03-06-2015 дата публикации

Headrest locking device, corresponding automobile seat and corresponding automobile

Номер: CN104670051A
Принадлежит:

The invention provides a headrest locking device, a corresponding automobile seat and a corresponding automobile. The headrest locking device comprises a headrest rod, a locking positioning piece, a locking ball and a slider, wherein the locking positioning piece is fixed on the top of a backrest of the seat; the locking ball is positioned in the locking positioning piece and is in contact with the headrest rod; the slider is arranged in the locking positioning piece and is used for pushing the locking ball to be separated from the headrest rod; and the headrest rod penetrates in the locking positioning rod and the slider, can be in a locking state when the locking ball is in contact with the headrest rod, and can also be in an unlocking state when the locking ball is pushed to be far away from the headrest rod by the slider in the movement process of the slider. The headrest locking device can meet using demands of different users on the height of a headrest, and noises can be prevented ...

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02-06-2023 дата публикации

Narrow linewidth fiber laser capable of alternately emitting continuous waves and pulse waves

Номер: CN116207590A
Принадлежит:

The invention discloses a narrow-linewidth optical fiber laser capable of alternately emitting continuous waves and pulse waves. The narrow-linewidth optical fiber laser comprises a narrow-linewidth seed light source, a laser pre-amplification unit, a continuous and pulse light switching unit and a laser power amplification unit, the output end of the narrow linewidth seed light source is connected with the input end of the laser pre-amplification unit through an optical fiber patch cord, and the output end of the laser pre-amplification unit is connected with the continuous light input end and the pulsed light input end of the continuous and pulsed light switching unit through a first beam splitter. The continuous light output end and the pulsed light output end of the continuous and pulsed light switching unit are coupled through the first coupler, the output end of the first coupler is connected with the input end of the laser power amplification unit, and the output end of the laser ...

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