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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 18. Отображено 18.
06-01-2016 дата публикации

Photovoltaic power generation system based on accurate Z source LC network

Номер: CN0204948019U
Принадлежит:

Photovoltaic power generation system based on accurate Z source LC network is including photovoltaic array, boost boost circuit, accurate Z source LC network, PWM contravariant bridge, three -phase load. The utility model discloses can obtain the higher gain of stepping up to realized arrival current in succession, reduced the direct time of PWM contravariant bridge bridge arm with the system when direct the production switch on the loss, improved photovoltaic power generation's efficiency. Simultaneously, in the occasion that the step up ratio expected much, under the same input/output voltage and the same output condition, the utility model discloses an input inductive current and inductive current ripple are littleer, are favorable to reducing the volume of inductance, weight reduction, reduce cost.

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13-01-2010 дата публикации

Saw blade high frequency annealing method

Номер: CN0101624644A
Принадлежит:

The invention relates to a saw blade high frequency annealing method which is characterized in that the equipment working voltage is 380V/50Hz; the working oscillatory power is 30-60KVA; the working oscillation frequency is 30-100kHz; every set of equipment can anneal 10-20kg/min; the annealing temperature is 550-650 DEG C; the annealing length between the two ends of a saw blade is 20-30mm; the hardness is HRA62-75 after annealing. The method has the advantages of low energy consumption, no pollution, low cost and no danger for operating workers.

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06-01-2016 дата публикации

Novel parallel resonance no -voltage photovoltaic power generation device

Номер: CN0204947919U
Принадлежит:

The utility model discloses a novel parallel resonance no -voltage photovoltaic power generation device, including photovoltaic array, boost boost circuit, auxiliary resonant circuit, PWM contravariant bridge, three phase resistance inductive loads. Through adding auxiliary resonant circuit between boost boost circuit and PWM contravariant bridge, make direct current side energy -storage capacitor voltage periodically return to zero, realize PWM contravariant bridge switching element and accomplishes switchings under the no -voltage condition that the switching element among the auxiliary resonant circuit can be realized also that the no -voltage is opened and turn -offs with the zero current moreover, is favorable to reducing and improvement switching frequency of switching element loss, has improved photovoltaic power generation's efficiency, when high switching frequency, can the volume of resonant inductance in the device do littleer, be favorable to the miniaturization of device, and ...

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10-08-2011 дата публикации

Steel slag baking-free brick

Номер: CN0101250050B
Принадлежит:

The invention relates to a steel slag free sintering brick, belonging to the recycle technical field of steel slag, wherein the materials of the free sintering brick are steel slag stand, steel slag powder, blast furnace slag and lime, and the production method of the steel slag free sintering brick comprises adding water with weighted materials, mixing, pressing and shaping via a brick press, maintaining and aging to obtain final product of steel slag free sintering brick. The inventionc can shorten production period, eliminate sintering, eliminate heat energy, save time, improve yield, reduce cost and release the environment pollution of steel slag and greenhouse effect of carbon dioxide.

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27-08-2008 дата публикации

Steel slag baking-free brick

Номер: CN0101250050A
Принадлежит:

The invention relates to a steel slag free sintering brick, belonging to the recycle technical field of steel slag, wherein the materials of the free sintering brick are steel slag stand, steel slag powder, blast furnace slag and lime, and the production method of the steel slag free sintering brick comprises adding water with weighted materials, mixing, pressing and shaping via a brick press, maintaining and aging to obtain final product of steel slag free sintering brick. The inventionc can shorten production period, eliminate sintering, eliminate heat energy, save time, improve yield, reduce cost and release the environment pollution of steel slag and greenhouse effect of carbon dioxide.

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26-03-2014 дата публикации

Mechanical locking device for high voltage safeguard switch isolation bolts

Номер: CN103681033A
Принадлежит:

The invention relates to a mechanical locking device for high voltage safeguard switch isolation bolts. The device is formed by three locking check rings and two connecting bolts. L-shaped concave holes are formed in the locking check rings which are installed on an isolation bolt protective sleeve of a high voltage safeguard switch, the locking check rings and the isolation bolt protective sleeve are firmly fastened through screws, and the connecting bolts can be pulled out by means of the L-shaped concave holes. The mechanical locking device meets regulation requirements, and the mechanical locking between two incoming line high voltage safeguard switches and an interconnection switch in an electric power substation in a mining area is achieved; terrible accidents like reverse power supply caused by simultaneous power supply of the two incoming line high voltage safeguard switches and the interconnection switch due to wrong operation are avoided.

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25-03-2015 дата публикации

Wheel set assembly for meter gauge axle disc braking bullet train bogie

Номер: CN104442888A
Принадлежит:

The invention discloses a wheel set assembly for a meter gauge axle disc braking bullet train bogie. The wheel set assembly is mainly composed of wheels, an axle, an axle box assembly, a braking disc and a driving device. The axle box assembly is of a penetrated type structure, and the axle penetrates through a front cover and a rear cover of an axle box. The front cover of the axle box is matched with a partition cylinder through a labyrinth seal structure, and the rear cover of the axle box is matched with a dustproof check ring through a labyrinth seal structure. The front cover of the axle box and the axle are sealed in a contact mode, and the rear cover of the axle box and the axle box are sealed in a contact mode. The axle extends to penetrate through the axle box assembly, and the braking disc is installed on the part, penetrating out of the outer side of the axle box, of the axle, installed in a key or spline structure matching mode and pressed through an axle end bolt and a gland ...

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17-06-2015 дата публикации

Power trade visualization implementation method based on settlement unit

Номер: CN104715408A
Принадлежит:

The invention relates to the field of power trade, in particular to a power trade visualization implementation method based on a settlement unit. According to the power trade visualization implementation method, visualization interface display is achieved through the following steps that step 1, the settlement unit is defined by a user; step 2, a formula in the settlement unit is defined by the user; step 3, the formula generated in step 2 is replaced by data expression; step 4, the expression generated in step 3 is calculated through a BeanSheel technology, and a final result is obtained; step 5, the calculated result obtained in step 4 is correspondingly set into the settlement unit, and visualization of power trade settlement is achieved. Compared with the prior art, the power trade visualization implementation method has the advantages that the diversity of the settlement modes in power trade are handled through the settlement unit; interface is adopted for formula editing, and readability ...

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04-08-2023 дата публикации

Thiazole compound as well as preparation method and application thereof

Номер: CN116535366A
Принадлежит:

The invention relates to a thiazole compound as well as a preparation method and application thereof, and belongs to the field of compound preparation. The invention provides a thiazole compound. The structural formula of the thiazole compound is shown as a formula I or a formula II. A molecular hybridization strategy is adopted, 2-aminothiazole and 2-aminobenzothiazole are used as mother nuclei, acetyl is used as a connecting chain, and a tyrosinase inhibitory activity structural unit polyhydroxy phenol-cinnamic acid or ferulic acid and other organic carboxylic acids are hybridized, so that a series of thiazole compounds with inhibitory activity generated by high tyrosinase and high DPPH free radicals are obtained. The compound disclosed by the invention has high tyrosinase, high inhibitory activity on generation of DPPH free radicals and high melanin generation resisting activity, and can be applied to preparation of pigment disorder disease treatment drugs, fruit and vegetable browning ...

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09-04-2014 дата публикации

Production method for reducing iron ores by utilization of liquid-state steel slag residual heat

Номер: CN103710480A
Принадлежит:

The invention discloses a production method for reducing iron ores by utilization of liquid-state steel slag residual heat. The method comprises the following concrete steps: first, iron ores are crushed by a crusher; second, the crushed iron ores and powdered coke are sent to a stirrer and stirred; third, liquid-state steel slag is laid at bottom of steel slag pit, then the mixture, of the iron ores and the powdered coke, to be used are placed on the liquid-state steel slag, finally, liquid-state steel slag is laid above the mixture, and the state is kept for 1.5h; fourth, the iron ores are subjected to a reduction reaction in the steel slag pit, reduced iron is generated, and after the reaction is finished, the reduced iron is subjected to magnetic separation by a magnetic separator. The beneficial effects of the method are that, first, liquid-state steel slag residual heat is employed as a heat source, the production cost for reducing iron ores is lowered, and the cost can be lowered ...

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18-07-2023 дата публикации

Preparation of near-infrared luminous Nd and Yb synchronous highly-doped core-shell structure nanocrystal and application of nanocrystal in immunochromatography detection

Номер: CN116445162A
Принадлежит:

The invention belongs to the technical field of immunological detection, and particularly relates to preparation of near-infrared luminous Nd and Yb synchronous highly-doped core-shell structure nanocrystals and application of the nanocrystals in immunochromatographic detection. In order to further improve the absorption capacity of the nanocrystal to 808nm light and the utilization rate of excitation energy, sensitizing ions Nd < 3 + > and luminous ions Yb < 3 + > are doped at high concentration at the same time through an accelerated phase transformation method, and the doping proportions of Nd < 3 + > and Yb < 3 + > are 40% and 60% respectively. The doping proportion not only ensures the high absorption capacity of the nanocrystal to 808nm, but also improves the full utilization rate of the luminescent center Yb < 3 + > to excitation energy, the quantum yield of the finally prepared nanocrystal is as high as 35.5%, the high-brightness near-infrared luminescent nanocrystal is used as ...

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16-07-2008 дата публикации

Technique for heating liquid steel scoria

Номер: CN0101220399A
Принадлежит:

The invention discloses a thermal-braise technique for liquid steel slag, which pours liquid steel slag into a thermal-braise tank directly for treatment, and the specific working procedure is: extending the bottom of the thermal-braise tank equally with dry steel slag with the thickness of 190 to 230 mm, pouring the produced liquid steel slag while making steel into the thermal-braise tank, the amount of the poured liquid steel slag is 10 to 12 percent of the gross cubage of the thermal-braise tank; spraying water into the thermal-braise tank immediately after the liquid steel is poured into the tank to ensure the surface of the liquid steel slag to form crust immediately; the manipulator looses the crusted steel slag until the liquid slag appears, and then restarts the water-spraying procedure to loose the steel slag; the final part is temperature-reducing procedure, and opens the cover to discharge the slag after aerating for 25 to 35 minutes. The technique of the invention finishes ...

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20-08-2008 дата публикации

Process for producing steel scoria unburned brick

Номер: CN0101244461A
Принадлежит:

The invention discloses a making method of steel slag non-burnt brick, which belongs to steel slag reclamation field; wherein, the technical proposal resolves the problems of the prior steel slag non-burnt brick of requiring maintenance time, requiring pressure in the process of aging, high equipment cost, requiring handling and other multiple operation steps, large amount of labor, and high cost of man power and material resources. The making method of steel slag non-burnt brick is characterized in that (1) at least two materials from steel slag sand, steel slag powder, blast furnace slag and lime are weighed and fed into the blender, (2) water is added and the materials are stirred evenly, (3) the materials are fed into the brick molding press to press and form, (4) the formed brick is processed aging at the atmospheric pressure directly, (5) the industrial exhaust gas comprising CO2 is injected in the process of aging, and (6) the finished steel slag non-burnt brick is acquired as the ...

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12-02-2014 дата публикации

Remote control method, remote control device and remote control system

Номер: CN103578209A
Принадлежит:

The invention discloses a remote control method, a remote control device and a remote control system. The remote control method includes the steps of receiving authority confirm requests sent by one or multiple POS terminals, analyzing the authority confirm requests to acquire authority confirm results, and sending the authority confirm results to all the POS terminals through a wired network or a wireless network, wherein the authority confirm results are used for making the POS terminal legally execute requested operations. The remote control method overcomes the defect that because an ordinary cashier has limited authority, a manager has to go to the site in person for the operations, and consequently the check-out time is long for a customer, and meanwhile potential safety hazards brought by unauthorized operations are avoided.

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04-08-2023 дата публикации

Garbage induction cabinet intelligent control method, device and equipment and storage medium

Номер: CN116534463A
Принадлежит:

The invention relates to an intelligent control method, device and equipment for a garbage induction cabinet and a storage medium, and is applied to the field of garbage throwing. Controlling the human body induction unit to start to monitor whether a human body exists in front of the garbage induction cabinet; if yes, the distance detection unit is controlled to measure the distance value between the human body and the garbage induction cabinet; comparing the distance value with a preset distance threshold value; and if the distance value is smaller than the distance threshold value, a window of the garbage induction cabinet is controlled to be opened. The technical effect of the invention is that the accuracy of the result of judging whether someone wants to discard garbage is improved.

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06-01-2010 дата публикации

Process for producing steel scoria unburned brick

Номер: CN0100577331C
Принадлежит:

The invention discloses a making method of steel slag non-burnt brick, which belongs to steel slag reclamation field; wherein, the technical proposal resolves the problems of the prior steel slag non-burnt brick of requiring maintenance time, requiring pressure in the process of aging, high equipment cost, requiring handling and other multiple operation steps, large amount of labor, and high cost of man power and material resources. The making method of steel slag non-burnt brick is characterized in that (1) at least two materials from steel slag sand, steel slag powder, blast furnace slag and lime are weighed and fed into the blender, (2) water is added and the materials are stirred evenly, (3) the materials are fed into the brick molding press to press and form, (4) the formed brick is processed aging at the atmospheric pressure directly, (5) the industrial exhaust gas comprising CO2 is injected in the process of aging, and (6) the finished steel slag non-burnt brick is acquired as the ...

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27-08-2021 дата публикации

Antenna beam mechanism with vibration reduction function

Номер: CN214068891U

An antenna beam mechanism with a vibration reduction function belongs to the field of rail vehicle antenna beam devices, and comprises an antenna beam cross beam, two accessory part mounting hanging seats and four elastic vibration reduction rotating shaft devices, the two accessory part mounting hanging seats are arranged at the two ends of the antenna beam cross beam in a mirror symmetry mode, and the four elastic vibration reduction rotating shaft devices are arranged on the antenna beam cross beam. And each accessory part mounting hanging seat is fixedly connected with the end part of the antenna beam cross beam through two elastic vibration reduction rotating shaft devices. According to the utility model, vibration impact transmitted by a framework or a wheel set and impact generated by splashing sundries on a rail surface during train operation can be reduced to the greatest extent, so that interference of vibration spectrum on communication frequency signals is greatly reduced on ...

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18-11-2015 дата публикации

A auxiliary device for trussing up concrete support column embedded bar

Номер: CN0204772988U
Принадлежит:

The utility model provides an auxiliary device for trussing up concrete support column embedded bar, it includes supporting platform, corresponds the supporting leg that sets up in the supporting platform below, so include still that two backup pads lie in the supporting platform who treats the spacer bar both ends respectively with two backup pads of spacer bar, all offer the U -shaped block groove that is used for block, spacer bar tip of some under with on the bottom surface at every supporting platform's up end, the horizontal support groove that be used for block, spacer bar tip is all offered at the both sides of every backup pad edge, it includes with the level guide portion of external intercommunication, sets up semi -circular spacing portion inside in the backup pad and that link up with level guide portion transversely to support the groove, the opening and the external intercommunication in U -shaped block groove.

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