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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 21. Отображено 21.
11-02-2009 дата публикации

Timing opening box

Номер: CN0101362531A
Автор: LI GAOJUN, GAOJUN LI
Принадлежит:

The invention relates to a timing switch box. The box is closed and simultaneously a key switch is pressed so that a timing circuit is triggered and starts the time work, when the set time is not reached, the timing circuit outputs low voltage, the box can not be opened; when the set time is reached, the timing circuit outputs high voltage, after the current generated by the output high voltage is magnified, an electromagnet is driven to open a locking device in the box, and the box can be opened for fetching articles in the box.

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17-02-2010 дата публикации

Method for producing cryolite

Номер: CN0100590074C
Принадлежит:

The invention discloses a new method for producing cryolite, which comprises the following steps: Bayer process concentrate solution, hydrofluoric acid and caustic soda are used as raw materials, under normal temperature and pressure, the caustic soda is added into Bayer process concentrate solution, and continuous stirring is performed during adding; when the caustic soda is adequately dissolvedto form composite solution, which is guided into a metering tank together with hydrofluoric acid; the prepared composite solution and hydrofluoric acid are simultaneously added into a synthesis tank via the metering tank, the feeding process is conducted along with the reaction; stirring is done continuously during the process of reaction, so that the feeding process is completed along with the reaction, so as to obtain cryolite slurry; finally, after filtering and drying, the finished cryolite is produced. The cryolite synthesized by adopting the production method in the invention has the advantages ...

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17-09-2008 дата публикации

Method for producing ultra-fine cryolite

Номер: CN0101264918A
Принадлежит:

The invention discloses a production method for a super fine cryolite, which is characterized in that Bayer process concentrate solution, caustic soda, and hydrofluoric acid are used as raw materials; wherein, caustic soda is added into the Bayer process concentrate solution to obtain complex liquid, which is then added into a synthesis tank together with hydrofluoric acid for reaction, the reaction temperature is 40 to 60 DEG C, and the Ph value is larger than or equal to 10; after adding the materials, ageing is conducted for 20 to 30 minutes; subsequently, after filtering, the filter cake is dried under the temperature of 150 to 300 DEG C until the water content drops below, thus acquiring the finished cryolite. The production method has the advantages that: as the production method is carried out under normal temperature, the process is simple and easy to operate and control; and the heat source comes from heat of reaction, the need for adding a heating apparatus is obviated; by adjusting ...

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12-05-2023 дата публикации

Safe mining method for pasty caustic sludge and dam body dismantling method

Номер: CN116104052A
Принадлежит:

The invention provides a paste alkali residue safe excavation method and a dam body dismantling method. The method comprises the steps that the safety and stability coefficient of each dangerous section of a target dam body is determined; the target dam body is divided into a plurality of danger zones according to the safety and stability coefficient of the danger section, and the danger level of each danger zone is determined; layered excavation is conducted on the alkaline residue bodies in the target dam body, the alkaline residue bodies with the preset width and the preset slope angle are reserved adjacent to each dangerous zone, and the higher the danger level of the dangerous zone in the same layer is, the larger the preset width of the alkaline residue bodies reserved in the dangerous zone is. The preset widths, corresponding to different layers, of the same dangerousness subarea are sequentially increased from top to bottom. The stability of the dam body is enhanced by reserving ...

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02-06-2010 дата публикации

Cosmetics-stage cryolite and producing technique thereof

Номер: CN0101264919B
Принадлежит:

The invention relates to a cosmetic grade cryolite and the production process; wherein, the production process comprises the following steps: high purity Bayer process concentrate solution and high purity ion film caustic soda are compounded into a composite solution, which then reacts with refined hydrofluoric acid in alkaline water phase at 40-60 DEG C, so as to obtain a composition; then a plurality of steps, like final ageing, filtering, washing and baking are conducted over the composition in order to acquire the cryolite with a grain D50 of 1-5 Mu m, a whiteness larger than or equal to 90%, and a molecular ratio of NaF to AlF3 being 1.8-2.2; wherein, the charging proportion relationship among the high purity Bayer process concentrate solution, high purity ion caustic soda and refinedhydrofluoric acid should in accordance with the equation that Al to Na to F is equal to 1 to 1.8-3 to 5-6 (in mol ratio). The cryolite thus produced complies with the sanitary standards for cosmeticarticles ...

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16-06-2010 дата публикации

Method for producing large grain size cryolite

Номер: CN0101264917B
Принадлежит:

The invention discloses a production method for a large grain size cryolite, which is characterized in that Bayer process concentrate solution, caustic soda, and hydrofluoric acid are used as raw materials, and the proportion of raw materials is represented in the equation that Al: Na: F equals to 1:1.8-3:5-6; when compounding, the caustic soda is added into the Bayer process concentrate solutionwith a temperature of 90-95 DEG C, and mixed evenly to obtain the composite solution; then, the composite solution and hydrofluoric acid are gradually added into a synthesis tank, and the material feeding and agitation are carried out in the meantime, the reaction temperature is maintained between 85 and 95 DEG C, and the PH value of the reaction solution is smaller than or equal to 2; after feeding materials, the mixture undergoes an ageing process for 20 to 30 minutes; finally, the slurry is filtered, the filter cake is dried until the water content drops below 0.2%, thus acquiring the finished ...

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01-04-2015 дата публикации

Fire scene perception actual combat command platform system based on Beidou

Номер: CN104486520A
Принадлежит:

The invention relates to a fire scene perception actual combat command platform system based on Beidou. The fire scene perception actual combat command platform system comprises a Beidou satellite navigation system, a data collecting system, a communication system, a mobile front-line command vehicle and a background command center, wherein the data collecting system is used for collecting fire scene information in real time, the Beidou satellite navigation system consists of a space station, a ground station and a Beidou user terminal, the data collecting system is respectively in two-way communication with the mobile front-line command vehicle and the background command center through the communication system, and the mobile front-line command vehicle is in two-way communication with the background command center. The fire scene perception actual combat command platform system has the advantages that fire information is obtained in real time through a front end, and the perception on ...

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25-08-2023 дата публикации

Active rotary pulverized coal flow control valve

Номер: CN116642017A
Принадлежит:

The invention provides an active rotation type pulverized coal flow control valve which comprises a shell part, a valve element, a valve rod, a straight stroke actuator and an angular stroke actuator, one end of the valve rod penetrates into the shell part, the valve element is located in a valve cavity of the shell part and fixedly connected with the valve rod, a circulation cavity is formed in the valve element, and a runner groove is formed in the side wall of the valve element; the valve element and the inner wall of the valve cavity are spaced, the shell part is provided with a medium inlet and a medium outlet, the medium inlet is communicated with the circulation cavity through a runner groove, the circulation cavity is communicated with the medium outlet, the straight stroke actuator is in driving connection with the valve rod so as to drive the valve rod and the valve element to move axially, and the valve element adjusts the opening degree of the runner groove through axial movement ...

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05-02-2014 дата публикации

Ship collectivizing supervisory system based on mobile communication and satellite positioning

Номер: CN103558828A
Автор: LIU FEI, LI GAOJUN
Принадлежит:

The invention relates to a ship collectivizing supervisory system which has the function of automatically changing the Beidou Satellite communication mode and the GPRS wireless network communication mode and can achieve the data interaction between a ship-mounted terminal and a group supervisory center based on the two communication modes. The ship-mounted terminal is installed on a ship body, a solar cell panel is adopted in a power supply subsystem for charging a lithium battery and a standby battery, and the terminal can reliably work for a long time without an external power source. The GPS information of a ship is stored in real time, and a communication unit is utilized for returning the information of a GPS, alarming and the state of the ship-mounted terminal and the like to the group supervisory center. A software service platform of the supervisory center combining with a GIS system visually displays and manages the supervised ship in a unified mode. The ship collectivizing supervisory ...

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20-08-2014 дата публикации

Axial sealing structure of control valve

Номер: CN103994242A
Принадлежит:

The invention relates to an axial sealing structure of a control valve. The axial sealing structure comprises an upper sleeve (1), a lower sleeve (4) and a valve core (2), and is characterized in that one side, close to the valve core (2), of the lower end face of the upper sleeve (1) is provided with a first annular boss, the upper end face of the lower sleeve (4) is clamped to the annular boss, a second annular boss is arranged on the inner wall, beside the upper end face, of the lower sleeve (4), and the second annular boss and the first annular boss make contact with the valve core (2), so that a sealing cavity is formed, an annular metal sealing ring (3) is installed in the sealing cavity, the cross section of the metal sealing ring (3) is in a semi-arc shape, and the opening of the semi-arc faces downwards. After the trial use, it is proved that after the sealing structure is adopted for an APM high pressure balanced type control valve, the effect of sealing between the valve core ...

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07-09-2011 дата публикации

Timing opening box

Номер: CN0101362531B
Автор: LI GAOJUN, GAOJUN LI
Принадлежит:

The invention relates to a timing opening box. The box is closed and simultaneously a key switch is pressed so that a timing circuit is triggered and starts the time work, when the set time is not reached, the timing circuit outputs low voltage, the box can not be opened; when the set time is reached, the timing circuit outputs high voltage, after the current generated by the output high voltage is magnified, an electromagnet is driven to open a locking device in the box, and the box can be opened for fetching articles in the box.

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23-01-2008 дата публикации

Arc folding roll shaft of small box cigarette packaging machine

Номер: CN0101108660A
Принадлежит:

The invention discloses an improved device of a folded arc roll shaft of a small packing machine. A primitive axis is changed into two-stage; a coupling links the two axes into the same axis as the size of the primitive axis. After changing the device, when parts on the axis are changed, the changing time is greatly shortened, which makes the technical difficulty and the maintenance time for the maintenance men to adjust the equipment are greatly reduced and has brighter market prospect.

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09-04-2014 дата публикации

Packing machine glue applicator adjusting tool

Номер: CN103708057A
Автор: DENG YONGXIANG, LI GAOJUN
Принадлежит:

The invention discloses a packing machine glue applicator adjusting tool. The packing machine glue applicator adjusting tool comprises a tool base (3), an adjusting positioning piece (4) and a clamping piece (6), wherein the tool base (3) is provided with a first semicircle (1) which can be matched with a rotating shaft of a glue applicator, the adjusting positioning piece (4) is arranged on the tool base (3) and provided with a positioning arc face (5) for adjusting the position of the glue applicator, the clamping piece (6) is provided with a second semicircle (2) which can be matched with the rotating shaft of the glue applicator, and the clamping piece (6) can be locked with the tool base (3) so that the first semicircle (1) and the second semicircle (2) can be clamped on and matched with the rotating shaft of the glue applicator or can be unlocked from the tool base (3) so that the first semicircle (1) and the second semicircle (2) can be disengaged from the rotating shaft of the glue ...

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17-09-2008 дата публикации

Method for producing large grain size cryolite

Номер: CN0101264917A
Принадлежит:

The invention discloses a production method for a large grain size cryolite, which is characterized in that Bayer process concentrate solution, caustic soda, and hydrofluoric acid are used as raw materials, and the proportion of raw materials is represented in the equation that Al: Na: F equals to 1:1.8-3:5-6; when compounding, the caustic soda is added into the Bayer process concentrate solution with a temperature of 90-95 DEG C, and mixed evenly to obtain the composite solution; then, the composite solution and hydrofluoric acid are gradually added into a synthesis tank, and the material feeding and agitation are carried out in the meantime, the reaction temperature is maintained between 85 and 95 DEG C, and the PH value of the reaction solution is smaller than or equal to 2; after feeding materials, the mixture undergoes an ageing process for 20 to 30 minutes; finally, the slurry is filtered, the filter cake is dried until the water content drops below 0.2%, thus acquiring the finished ...

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24-03-2010 дата публикации

Method for producing ultra-fine cryolite

Номер: CN0100595156C
Принадлежит:

The invention discloses a production method for a super fine cryolite, which is characterized in that Bayer process concentrate solution, caustic soda, and hydrofluoric acid are used as raw materials;wherein, caustic soda is added into the Bayer process concentrate solution to obtain complex liquid, which is then added into a synthesis tank together with hydrofluoric acid for reaction, the reaction temperature is 40 to 60 DEG C, and the Ph value is larger than or equal to 10; after adding the materials, ageing is conducted for 20 to 30 minutes; subsequently, after filtering, the filter cake is dried under the temperature of 150 to 300 DEG C until the water content drops below, thus acquiring the finished cryolite. The production method has the advantages that: as the production method iscarried out under normal temperature, the process is simple and easy to operate and control; and the heat source comes from heat of reaction, the need for adding a heating apparatus is obviated; by adjusting ...

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28-07-2023 дата публикации

Intelligent culture system for Leiocassis longirostris in Hainan

Номер: CN116491462A
Принадлежит:

The invention discloses an intelligent Leiocassis longirostris breeding system, and belongs to the field of Leiocassis longirostris breeding system.The intelligent Leiocassis longirostris breeding system.The intelligent Leiocassis longirostris breeding system comprises a breeding river channel used for breeding Leiocassis longirostris, a water storage fishpond, a circulating fishpond and a circulating pump room, the water storage fishpond is located at the downstream of the culture river channel and is communicated with the culture river channel, at least one aerator is arranged in the water storage fishpond, the circulating fishpond is located at the downstream of the culture river channel and is communicated with the culture river channel, the altitude of the circulating fishpond is lower than that of the water storage fishpond, the water inlet end of the circulating pump room is communicated with the circulating fishpond, and the water outlet end of the circulating pump room is communicated ...

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02-05-2023 дата публикации

Magnetic resonance and electrophysiology bimodal cardiac fibrosis positioning system

Номер: CN116051547A
Принадлежит:

The invention discloses a magnetic resonance and electrophysiology bimodal cardiac fibrosis positioning system. The system comprises an image post-processing module, an individualized information input module, an individualized relative density ratio threshold calculation module, a heart model construction module and a matching positioning module. According to the method, the CSV file is obtained through the CMR and electrophysiology fusion system, then the CMR individualized relative density ratio threshold value is obtained based on the CSV file, CMR and electrophysiology contrast is fully considered in determination of the IIR threshold value, the fibrosis area defined by the threshold value is better matched with a low-voltage area, the cardiac fibrosis area can be better recognized in a target spot mode, and the accuracy of cardiac fibrosis is improved. The effect of performing CMR-guided ablation based on the threshold value is improved.

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16-12-2015 дата публикации

Label paper embossed seal device with adjustable

Номер: CN0204870131U
Принадлежит:

The utility model discloses a label paper embossed seal device with adjustable, including the conveying roller, the upper portion of conveying roller is equipped with the conveying roller center, and the bottom of conveying roller is fixed with the embossed seal wheel through the eccentric shaft, and embossed seal wheel bottom is equipped with the embossed seal wheel mounting hole that supplies the eccentric shaft to pass, and embossed seal wheel periphery indent takes shape there is a plurality of evenly distributed's embossed seal wheel slot, and it has embossed seal wheel working face to take shape between the adjacent embossed seal wheel slot, embossed seal wheel working face protrusion conveying roller working face. The utility model discloses an adjustable support enables the steel grade wheel location pawl installation axle heart and can adjust from top to bottom to the printing writing upper portion, the nonadjustable defect of the lower part depth that appear have been eliminated ...

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17-09-2008 дата публикации

Method for producing cryolite

Номер: CN0101264916A
Принадлежит:

The invention discloses a new method for producing cryolite, which comprises the following steps: Bayer process concentrate solution, hydrofluoric acid and caustic soda are used as raw materials, under normal temperature and pressure, the caustic soda is added into Bayer process concentrate solution, and continuous stirring is performed during adding; when the caustic soda is adequately dissolved to form composite solution, which is guided into a metering tank together with hydrofluoric acid; the prepared composite solution and hydrofluoric acid are simultaneously added into a synthesis tank via the metering tank, the feeding process is conducted along with the reaction; stirring is done continuously during the process of reaction, so that the feeding process is completed along with the reaction, so as to obtain cryolite slurry; finally, after filtering and drying, the finished cryolite is produced. The cryolite synthesized by adopting the production method in the invention has the advantages ...

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23-06-2023 дата публикации

Alkali residue dam body stability evaluation method and device

Номер: CN116307832A
Принадлежит:

The invention provides an alkaline residue dam body stability evaluation method and device, and the method comprises the steps: determining whether each section is a dangerous section or not according to the characteristics of each section of a target dam body, processing and analyzing the detection result of the target dam body, and obtaining the type, porosity and resistivity of each rock-soil layer of each dangerous section; based on the corresponding relation among the porosity, the resistivity ratio and the physical and mechanical property parameter ratio, determining the porosity of each rock-soil layer of each dangerous section and the physical and mechanical property parameter ratio corresponding to the resistivity; and multiplying the physical and mechanical property parameters corresponding to the types of the rock-soil layers by the physical and mechanical property parameter ratios corresponding to the rock-soil layers, and judging whether each dangerous section has stability ...

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17-09-2008 дата публикации

Cosmetics-stage cryolite and producing technique thereof

Номер: CN0101264919A
Принадлежит:

The invention relates to a cosmetic grade cryolite and the production process; wherein, the production process comprises the following steps: high purity Bayer process concentrate solution and high purity ion film caustic soda are compounded into a composite solution, which then reacts with refined hydrofluoric acid in alkaline water phase at 40-60 DEG C, so as to obtain a composition; then a plurality of steps, like final ageing, filtering, washing and baking are conducted over the composition in order to acquire the cryolite with a grain D50 of 1-5 Mu m, a whiteness larger than or equal to 90%, and a molecular ratio of NaF to AlF3 being 1.8-2.2; wherein, the charging proportion relationship among the high purity Bayer process concentrate solution, high purity ion caustic soda and refined hydrofluoric acid should in accordance with the equation that Al to Na to F is equal to 1 to 1.8-3 to 5-6 (in mol ratio). The cryolite thus produced complies with the sanitary standards for cosmetic articles ...

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