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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.
29-08-2023 дата публикации

Scale-inhibiting polypropylene master batch for geotextile synthetic material and preparation method of scale-inhibiting polypropylene master batch

Номер: CN116656047A
Принадлежит:

The invention relates to a scale-inhibiting polypropylene master batch for a geotextile synthetic material and a preparation method of the scale-inhibiting polypropylene master batch, belonging to the technical field of scale inhibition of polypropylene geotextile, a novel long-chain aliphatic quaternary ammonium salt is prepared, and the novel long-chain aliphatic quaternary ammonium salt is used as an anti-scaling master batch and is blended with polypropylene to prepare a series of scale-inhibiting polypropylene composite fibers. The aliphatic long chain is combined with the polypropylene fiber by utilizing the hydrophobic effect of the aliphatic long chain, and the hydrophobic effect is achieved. The hydrophilicity of the quaternary ammonium salt is utilized to improve the water permeability, and the electropositivity of the quaternary ammonium salt is utilized to reduce the aggregation of metal ions through electrostatic repulsion. Through multiple synergistic effects of lattice distortion ...

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30-12-2015 дата публикации

Welding wire conveying detection mechanism

Номер: CN0204913026U
Принадлежит:

The utility model discloses a welding wire conveying detection mechanism, include: support group, detachably installs in the outlet wire port position at welding wire container top, welding wire guide bracket group, install in the welding wire that is used for the guide conveying in the support group, and a welding wire detects the sensor, set up in be used for detecting in the support group whether the welding wire is in continuous conveying state. This welding wire conveying detection mechanism adopts detachable support group to install in the outlet wire port position at welding wire container top to install the welding wire and detect the sensor and whether be in continuous conveying state in order to detect the welding wire in support group, when the welding wire detects the welding wire of sensor in detecting not dao the conveying, then send caution signal rapidly and remind the staff to change welding wire container or the interior increase welding wire of past welding wire container ...

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18-09-2002 дата публикации

Laser gas phase synthetising nano powder reaction device

Номер: CN0001090992C
Принадлежит:

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30-12-2015 дата публикации

Prevent that automatic rising of changeing keeps off arc light trigger and constructs

Номер: CN0204913093U
Принадлежит:

The utility model discloses a prevent that automatic rising of changeing keeps off arc light trigger and constructs has such characteristic, include: cylinder safety cover, cylinder, lift deflector, arc light board, wherein, the cylinder safety cover has the hollow structure of under shed, and the cross section of its inner chamber is the rectangle, keep off arc light board fixed mounting on the cylinder safety cover, the cylinder protection envelope of hood is established at the cylinder outsidely, the cylinder includes cylinder body, piston rod, the piston rod is at the inside reciprocating motion that is of cylinder body, piston rod and cylinder safety cover fixed connection, the maximum cross section of lift deflector is the rectangle that cooperates cylinder safety cover inner chamber cross section. The utility model discloses can adjust the height that keeps off the arc light board through the cylinder, simultaneously, when using, the lift deflector has prevented also that the phenomenon ...

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07-07-1999 дата публикации

Method of combination laser chemistry for gas phase depositing diamond film

Номер: CN0001221806A
Принадлежит:

A laser-chemical gas-phase deposition process for preparing diamond film at the lowest deposition temp of 250 deg.C includes positioning the substrate to be posited on bench made of high-thermal-conductivity material, radiating the area to be filmed on the substrate by excimer XeCl laser beam (308 nm) and infrared laser beam (1.06-10.6 microns), introducing the hydrocarbon reaction gas (containing agsified liquid and solid) able to suck the laser beams and hydrogen to vacuumized reaction chamber, and deposting diamond film in the technological conditions of 20-500 j/pulse, 15-40 ms/pulse and 5-40 Hz/pulses for XeCl laser beams. Its advantages are high purity of film and low deposition temp.

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15-05-1996 дата публикации

Laser chemical gas-phase deposition process of diamond film

Номер: CN0001122378A
Принадлежит:

The present invention has a lowest deposition temp. of 250 deg.C and features its laser source being 308 nm wavelength XeCl excimer laser. The substrate to be deposited is placed on bench of high thermal conductivity material, the area to be deposited is irradiated by laser beams, and the reactant hydrocarbon gas, which can absorb the laser beam of said wavelength, and hydrogen gas in the flow ratio of 1-3 to 100 are led into the forevacuumed reaction chamber, so that diamond film is deposited on the substrate surface. The technological conditions include single pulse energy 20-500 mj, pulse width 15-40ns and pulse freq 5-40 Hz. The present invention can deposit high quality diamond film.

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15-09-1999 дата публикации

Laser gas phase synthetising nanometre powder reaction device

Номер: CN0001228398A
Принадлежит:

The laser gas-phase synthesizing nanometer powder reaction device is characterized by that the optical circuit system of reaction chamber is formed from a transmission lens F and 2n+1 spherical reflectors according to the plane design, where n is equal to 1-20; the laser beam is vertically passed through the transmission lens F and fed into the reaction chamber, and the line of centres of the transmission lens F and first spherical reflector MR1 is passed through the centre point A of the reaction zone, and the lines of centres of other spherical reflectors MR2i and MR2i+1, each two for one group, are passed through A. The transmission-reflection optical system designed by using the conversion of lens and spherical reflector to Gauss multimode laser and propagation theory of the multimodelaser and combining them with high-power CWCO2 laser output characteristics can implement multiple confocal focussing and superposition of laser power in reacting zone so as to raise laser utilization.

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02-09-1998 дата публикации

Laser surface treating technology for rotary drill bit leg journel

Номер: CN0001191899A
Принадлежит:

The said laser surface treating technology features that after carburized, the journal surface is treated with high- power laser for phase transformation hardening. The said laser is continuous CO2 laser with the laser power density being 5-30 Kw/sq cm and laser action period 0.03-0.8 sec. The present invention is simple in technological process, low in cost and good in performance.

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17-09-2014 дата публикации

Robotic floating gluing mechanism

Номер: CN104043562A
Принадлежит:

The invention discloses a robotic floating gluing mechanism and relates to the field of automatic gluing. The robotic floating gluing mechanism comprises a connecting flange, a guide shaft, a linear bearing, a connecting plate and a single-acting cylinder, wherein a robot is connected with the connecting flange which is connected with one end of the guide shaft; the other end of the guide shaft is connected with the linear bearing in a sliding manner and moves linearly along the linear bearing; the linear bearing is connected with the connecting plate which is connected with a gluing gun; the connecting flange and the connecting plate are connected with two ends of the signal-acting cylinder respectively; and the connecting plate is driven by the signal-acting cylinder to move relative to the connecting flange. According to the technical scheme, the signal-acting cylinder is used for connecting the robot and the gluing gun, the pull force for floating generated by the cylinder is applied ...

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