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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 28. Отображено 28.
28-07-2010 дата публикации

Crude-oil automatic continuous measuring device

Номер: CN0101787877A
Автор: MING CHEN, XIUMEI HOU, SENLIN LI, RONGZHI LIU, YUNCHUAN WANG, ZHILIAN WEI, WEIGUO XU, XUXIA ZHANG, CHEN MING, HOU XIUMEI, LI SENLIN, LIU RONGZHI, WANG YUNCHUAN, WEI ZHILIAN, XU WEIGUO, ZHANG XUXIA
Принадлежит:

The invention discloses a crude-oil automatic continuous measuring device, comprising a separator, an electric T-shaped valve, a remote level gauge, a safety valve, a pressure sensor, a temperature sensor, a control circuit and an intelligent control cabinet. The invention is characterized in that the separator body is shaped like a vertical cylinder, the upper and lower ends of the separator body are welded with seal heads, and a separating plate is welded vertically from the middle part of the lower seal head to the lower end of the lower seal head to divide the separator body symmetrically to form two separating cavities; the situation of fluid collecting and fluid discharging is detected by the remote level gauge, the pressure sensor, and the temperature sensor, through controlling by the control circuit in the control cabinet, through filling nitrogen into the separator body, the continuous or discontinuous measuring for crude oil in oil well with high/low oil gas ratio is realized ...

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Номер записи: 1
02-12-2015 дата публикации

Floating burring self -adaptation device

Номер: CN0204819033U
Автор: DONG ZHANGJUN, ZHANG XUXIA, YUAN LIANGLIANG, SHI XINWEI
Принадлежит:

The utility model discloses a floating burring self -adaptation device, include electric main shaft and install the cutter of electricity front -end of spindle tip, surface one side of electricity front -end of spindle is provided with the floating cylinder that a plurality of nonocultures were used, the contact of floating cylinder's piston axle head portion and the lateral wall of electric main shaft, the rear end fixedly connected with of the electric main shaft connector that floats, the axial region rear end of unsteady connector is stretched into in the hole of a floating bearing, the floating bearing is for spherical surface structure and can make the connector that floats drive electric main shaft in its inside swing, floating cylinder connects gas accuse unit, gas accuse unit include the air supply, with filter relief -pressure valve that the air supply is connected and with the electric proportional valve that filter relief -pressure valve connects, electric proportional valve ...

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Номер записи: 2
24-12-2014 дата публикации

Recycling method for rare earth leaching and leaching water of sulfuric acid roasted rare earth ore concentrate

Номер: CN104232949A
Автор: XU YANHUI, TIAN HAO, WANG YINGJIE, ZHANG XUXIA, MA SHENGFENG, LIU LINGSHENG, ZHAO WENYI, ZHOU JIANPENG, MENG ZHIJUN, HU WEIHONG
Принадлежит:

The invention relates to a recycling method for rare earth leaching and leaching water of sulfuric acid roasted rare earth ore concentrate. The recycling method for rare earth leaching and leaching water of the sulfuric acid roasted rare earth ore concentrate is characterized by comprising the following steps of (1) mixing roasted ore and a calcium chloride solution obtained from the sulfuric acid roasted rare earth ore concentrate with a solid-to-liquid ratio of 1 to 1 to 7, performing agitation leaching under normal temperature for 0.5 to 3 hours, neutralizing through calcium compound to enable a PH (Potential Of Hydrogen) value to be from 2 to 3 and filtering to obtain leaching liquid; (2) saponifying an extraction agent P507 through calcium compound and obtaining a saponified P507 extraction agent; (3) mixing the leaching liquid obtained from the step (1) and the saponified P507 extraction agent obtained from the step (2) to extract rare earth, performing reextraction on a loaded organic ...

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Номер записи: 3
03-09-2014 дата публикации

Motorcycle aluminum alloy hub automatic machining feeding-discharging method and production line

Номер: CN104015060A
Автор: CHEN BINGFENG, ZHANG XUXIA, YUAN LIANGLIANG, WU JUN
Принадлежит:

The invention discloses a motorcycle aluminum alloy hub automatic machining feeding-discharging method and a production line. Hubs are placed on a feeding assembly line. A centering device on the feeding assembly line is used for carrying out centering on the hubs. A double-working-position synchronization jaw carries the hubs to an aluminum skimming clearing and hub face turning device. A first side face and a second side face of each hub are subjected to skimming blowing operation. The double-working-position synchronization jaw sends the hubs obtained after skimming blowing to a first-sequence lathe for numerical control operation of a center hole, and then the hubs are sent to the aluminum skimming clearing and hub face turning device for skimming blowing operation. The double-working-position synchronization jaw sends the hubs to a detecting device. Hubs which are qualified by detecting are sent to a second-sequence lathe. Hubs which are not qualified are placed into a waste assembly ...

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Номер записи: 4
08-08-2023 дата публикации

Network communication early warning method and system based on association rules

Номер: CN116566809A
Автор: WANG JIAN, ZHANG XUXIA, LU ZHENWEI, JIANG TONGJUN, CHEN WEIJIE
Принадлежит:

The invention discloses a network communication early warning method and system based on association rules, and is applied to the technical field of network communication. The method comprises the following steps: acquiring safe operation state information of a communication network; describing safe operation state characteristics of the communication network; identifying a safe operation state of the communication network based on the association rule; and carrying out risk early warning based on the safe operation state characteristics. The basic characteristics of the communication network state are obtained through the sensing technology, the network security state is rapidly identified based on the association rule, the communication network link is divided into communication channels of multiple different nodes, the network operation security is improved, the risk can be quantified, and the target matched with the risk level is completed; and the security problem of the network communication ...

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Номер записи: 5
28-01-2015 дата публикации

Production method and device of fine-grained low-chloride rare earth carbonate

Номер: CN104310456A
Автор: TIAN HAO, XU YANHUI, ZHOU JIANPENG, ZHAO WENYI, MA SHENGFENG, ZHANG XUXIA, WANG YINGJIE
Принадлежит:

The invention relates to a production method and device of fine-grained low-chloride rare earth carbonate. The production method is mainly characterized in that rare earth chloride and a carbonate solution are added in a concurrent flow feeding way on a designed special precipitation reaction device, the spatial separation of a reaction zone and a crystallization zone is realized by controlling the feeding speed and discharging speed and controlling the aging time of rare earth carbonate, and thus the double purposes of directly obtaining a fine-grained low-chloride rare earth carbonate product from a hydrochloric acid medium by precipitation and realizing continuous production are achieved. By adopting the production method and device provided by the invention, the fine-grained rare earth carbonate product with the chloride content of less than 50ppm can be directly obtained from the hydrochloric acid medium by using cheap ammonium bicarbonate, the precipitation reaction device has a simple ...

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Номер записи: 6
17-08-2011 дата публикации

Hub bushing press

Номер: CN0102152099A
Автор: ZHIYONG PAN, XUXIA ZHANG, PAN ZHIYONG, ZHANG XUXIA
Принадлежит:

The invention discloses a hub bushing press, which is characterized in that a hydraulic cylinder drives a movable template to have a linear motion along a guide pillar, and a bushing mounting base is fixed at the lower part of the movable template; a compression bar of the bushing mounting base is fixed on a pedestal, an actuation step, a plug bush pillar and an accommodating space are formed on the compression bar, a permanent magnet is fixed in the accommodating space, the plug bush pillar is inserted into the inner hole of a bushing, and the bushing is actuated on the actuation step; and apositioning platform of a hub positioning device is fixed on a lower positioning seat, a hub positioning ring flange and a step hole are formed at the middle part of the positioning platform, a telescopic pillar is inserted into the step hole, a cap part of the telescopic pillar is pressed against a step of the step hole, one end of a spring is acted on the telescopic pillar, and the other end ofthe ...

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Номер записи: 7
18-07-2023 дата публикации

Preparation method of nano titanium dioxide and preparation method of adsorption/catalytic degradation integrated material

Номер: CN116443924A
Автор: CHEN HUIYONG, LI BO, ZHANG XUXIA, WANG XU, LI ZHUO, MA XIAOXUN
Принадлежит:

The invention discloses a preparation method of nano titanium dioxide and a preparation method of an adsorption/catalytic degradation integrated material.The preparation method of the nano titanium dioxide comprises the following steps that a titanium source is added into ethyl alcohol or water and mixed to be uniform, and a solution A is obtained; and adding the ethanol solution into the solution A, uniformly stirring, aging, drying and calcining to obtain the nano titanium dioxide with visible light absorption response. The preparation method comprises the following steps: adding a molecular sieve and nano titanium dioxide into ethanol, performing ultrasonic dispersion, and stirring to load the nano titanium dioxide onto the molecular sieve. After the nano titanium dioxide and the hierarchical porous titanium silicalite molecular sieve with the nanosheet layer self-pillared structure are compounded by using an impregnation method, the degradation rate of unit mass of titanium dioxide ...

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Номер записи: 8
18-11-2009 дата публикации

Application of mycobacterium tuberculosis adhesion HBHA in diagnosing and treating tuberculosis

Номер: CN0101580542A
Автор: LI CHUANYOU, ZHANG XUXIA, CHUANYOU LI, XUXIA ZHANG
Принадлежит:

The invention discloses a polypeptide which contains a mycobacterium tuberculosis heparin-binding haemagglutinin (HBHA) antigenic determinant, wherein the sequence of the mycobacterium tuberculosis adhesion HBHA antigenic determinant is as follows: Arg, Thr, Asp, Thr, Arg, Ser, Arg, Val and Glu. The invention also discloses a DNA molecule containing the nucleotide sequence of the polypeptide described by the code, a carrier containing the nucleic acid molecule and a host cell transformed by using the carrier. In addition, the invention discloses a pharmaceutical composition, a vaccine and a diagnostic reagent kit used for diagnosing, treating and preventing the tuberculosis. Moreover, the invention discloses an antibody produced by using the polypeptide to immunize mammals. Research results show that the mycobacterium tuberculosis adhesion HBHA has favorable sensibility and specificity in the auxiliary diagnosis of tuberculosis, especially extrapulmonary tuberculosis, and the results of ...

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Номер записи: 9
21-07-1993 дата публикации

Indoor air-conditioner

Номер: CN0001074529A
Автор: XUXIA ZHANG, RONGQI ZHANG, ZHANG XUXIA, ZHANG RONGQI
Принадлежит:

The present invention provides an air conditioner with simple structure. It is used for bedroom and office as well as bathroom and painting workshop. It can remove indoor carbon dioxide and other noxious gas, increase indoor oxygen content. Furthermore, it can monitor indoor atmosphere continuously.

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Номер записи: 10
08-09-2010 дата публикации

Liquid alkali roasting decomposition extraction process of mixed rare earth concentrates

Номер: CN0101824554A
Автор: JIANGUO CUI, WEIHONG HU, HAIJIAO LIU, ZHIJUN MENG, BAOWEI MOU, YINGJIE WANG, YANHUI XU, XUXIA ZHANG, CUI JIANGUO, HU WEIHONG, LIU HAIJIAO, MENG ZHIJUN, MOU BAOWEI, WANG YINGJIE, XU YANHUI, ZHANG XUXIA
Принадлежит:

The invention relates to a liquid alkali roasting decomposition extraction process of mixed rare earth concentrates, which comprises the following steps of: (1) mixing mixed rare earth concentrates and sodium hydroxide (prepared solution) in the weight ratio of 1:0.5 to 1.5; (2) roasting the rare earth ore mixed with the sodium hydroxide at the roasting temperature of between 150 and 500 DEG C for 0.5 to 4 hours; (3) performing size mixing on roasted ore hot water obtained by roasting, adding oxidant simultaneously for oxidation, and performing washing until the mixture is neutral after the oxidation; (4) dissolving trivalent rare earth preferentially in washed alkali cakes in hydrochloric acid, and controlling the pH value to be between 4 and 5 to prepare rare earth chloride solution with less cerium; and (5) performing reductive dissolution of the hydrochloric acid on cerium dregs dissolved preferentially in the hydrochloric acid, and controlling the pH value to be between 4 and 5 to ...

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Номер записи: 11
16-04-2014 дата публикации

Method for preventing ring forming in process of roasting decomposing of rare-earth ore concentrate by utilizing liquid caustic soda

Номер: CN103725870A
Автор: XU YANHUI, LIU LINGSHENG, MENG ZHIJUN, WANG YINGJIE, ZHANG XUXIA, MA SHENGFENG, ZHAO WENYI, LIU HAIJIAO, TIAN HAO, ZHOU JIANPENG, HU WEIHONG
Принадлежит:

The invention relates to a method for preventing ring forming in a process of roasting decomposing of rare-earth ore concentrate by utilizing liquid caustic soda. The method is characterized by comprising the following steps of preparing a sodium hydroxide solution, and adding a swelling agent into the sodium hydroxide solution, wherein the addition quantity of the swelling agent is 0.5 to 10 percent of the mass of the rare-earth ore concentrate; and mixing the NaOH solution with the swelling agent with the rare-earth ore concentrate to form slurry, and continuously feeding the slurry into a rotary kiln to be roasted and decomposed. The method has the advantages that when the rare-earth ore concentrate is roasted and decomposed by the liquid caustic soda, the decomposed roasted ore is in powder form, no ring is formed inside the rotary kiln, and the roasting decomposition can be continuously carried out. The defects of an existing mixed rare-earth ore concentrate decomposing process (acid ...

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Номер записи: 12
17-11-2010 дата публикации

Method for quickly extracting genome DNA from blood clot

Номер: CN0101886071A
Автор: NANYING CHE, CHUANYOU LI, SONG LI, XUXIA ZHANG, CHE NANYING, LI CHUANYOU, LI SONG, ZHANG XUXIA
Принадлежит:

The invention discloses a method for quickly extracting a genome DNA from a blood clot. The method comprises the following steps of: (1) filtering the blood clot at a 2 to 20 Newton pressure and collecting filtrate, wherein the filtering pore size is 40 to 130 meshes; (2) uniformly mixing the filtrate with erythrocyte lysate, standing the mixture for 4 to 6 minutes, centrifuging 9,000 to 13,000 grams of the mixture for 0.5 to 1.5 minutes, and taking a deposit; (3) uniformly mixing the deposit with cell lysate, performing water bath on the mixture for 8 to 12 minutes at the temperature of between 63 and 67 DEG C, centrifuging 9,000 to 13,000 grams of the mixture for 0.5 to 1.5 minutes, and taking supernatant; and (4) uniformly mixing the supernatant with isopropanol, and purifying the mixture by using a DNA combination column to obtain the genome DNA. The method has the following advantages that: the DNA extracting content and the purity are significantly improved; purification steps are ...

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Номер записи: 13
07-01-2015 дата публикации

Resource recycling process for sludge containing rare earth catalyst

Номер: CN104263947A
Автор: ZHANG XUXIA, XU YANHUI, ZHAO WENYI, WANG YINGJIE, TIAN HAO, ZHOU JIANPENG, MA SHENGFENG
Принадлежит:

The invention relates to a resource recycling process for sludge containing a rare earth catalyst. The sludge containing rare earth catalyst and produced in the petroleum catalytic cracking and catalyzing production process is taken as a raw material. The resource recycling process is characterized in that elements of rare earth, aluminum and iron in the sludge are recovered by the steps as follows: (1), the sludge is added into an inorganic acid solution and subjected to thermal insulation, stirring and solid-liquid separation to obtain an acidic leaching solution and waste residues; 2), a precipitant is added into the acidic leaching solution, solid-liquid separation is performed after complete precipitation is finished, and a rare earth product and precipitate filtrate are obtained; 3), the alkalinity of the precipitate filtrate is adjusted to a range between 0.1 mol/L and 0.5mol/L by NaOH alkaline solution and stirred to form precipitate, and solid-liquid separation is performed to ...

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Номер записи: 14
22-04-2015 дата публикации

Method for preparing morphology-controlled conductive polyaniline film by using electrophoretic deposition

Номер: CN104532288A
Автор: SHAO LIANG, JI ZHANYOU, ZHANG XUXIA, LIU HUAN, WEN TIANYU
Принадлежит:

The invention discloses a method for preparing a morphology-controlled conductive polyaniline film by using electrophoretic deposition. The conductive polyaniline is considered as a conductive high polymer material with the best industrial application prospects, and the method for preparing the conductive polyaniline film is an effective processing method for promoting polyaniline industrialization. The method comprises the following steps: by taking the chemically synthetic conductive polyaniline sol as electrolyte, taking a direct current power supply as a working power supply, and taking a platinum plate electrode as a counter electrode, preparing the conductive polyaniline film with good electrochemical performance on an indium tin oxide conductive glass working electrode by adopting an electrophoretic deposition method. The micro morphology of the prepared conductive polyaniline film is consistent with the micro morphology of the chemically synthetic conductive polyaniline, and the ...

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Номер записи: 15
16-07-2014 дата публикации

Method for decomposing rare earth ore concentrate through roasting by liquid caustic soda and acid-leaching rare earth through intensifying by ultrasonic

Номер: CN103924073A
Автор: XU YANHUI, MENG ZHIJUN, ZHOU JIANPENG, ZHAO WENYI, MA SHENGFENG, WANG YINGJIE, ZHANG XUXIA, TIAN HAO, LIU LINGSHENG, HU WEIHONG
Принадлежит:

The invention relates to a method for decomposing rare earth ore concentrate through roasting by liquid caustic soda and acid-leaching rare earth through intensifying by ultrasonic. The method is characterized by comprising steps of mixing washing ore decomposed by roasting with inorganic acid according to the ore-acid weight ratio of 1:(1-6); then leaching in an ultrasonic reactor, wherein the leaching time is controlled to be 10-60 minutes, and the leaching temperature is controlled at 20-90 DEG C; separating solid from liquid so as to obtain rare earth-containing acid leachate and leaching residue. The method has the advantages of acid-leaching the washing ore at room temperature or low temperature, having short leaching time and good operating environment, and being easy for continuous production. By adopting the method, the defect of the decomposition technology of mixed rare earth ore concentrate is thoroughly overcome, waste gas containing sulfur and fluorine and waste water containing ...

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Номер записи: 16
22-08-2023 дата публикации

Application of TRPML1 specific micromolecule agonist ML-SA1 in pharmacy

Номер: CN116617221A
Автор: CHEN HONGHONG, ZHONG DENGQIN, WANG MENGMENG, WANG RUIYUN, ZHANG XUXIA, ZHANG HONGJING
Принадлежит:

The invention provides an application of a TRPML1 specific small molecule agonist ML-SA1 in pharmacy. Simulation of acute and chronic uranium-contaminated mouse models through single or multiple uranium contamination proves that delayed administration of the small molecule compound ML-SA1 can significantly promote urinary uranium discharge of acute and chronic uranium-contaminated mice, reduce renal uranium accumulation, relieve pathological damage and apoptosis of uranium-induced renal proximal tubule epithelial cells, protect renal functions, and reduce renal injury caused by uranium-induced renal proximal tubule epithelial cells. The method is closely related to the remarkable improvement of lysosome exocytosis; a uranium contaminated human kidney proximal tubule epithelium HK-2 cell model proves that delayed administration of the small molecule compound ML-SA1 obviously promotes discharge of uranium accumulated in HK-2 cells by promoting lysosome exocytosis and accompanying compensatory ...

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Номер записи: 17
08-09-2010 дата публикации

Liquid alkali low-temperature roasting decomposition process of caustic soda liquid of mixed rare earth concentrates

Номер: CN0101824531A
Автор: JIANGUO CUI, WEIHONG HU, LIANGCAI LI, HAIJIAO LIU, ZHIJUN MENG, YINGJIE WANG, YANHUI XU, XUXIA ZHANG, CUI JIANGUO, HU WEIHONG, LI LIANGCAI, LIU HAIJIAO, MENG ZHIJUN, WANG YINGJIE, XU YANHUI, ZHANG XUXIA
Принадлежит:

The invention relates to a liquid alkali low-temperature roasting decomposition process of caustic soda liquid of mixed rare earth concentrates, which comprises the following steps of: (1) mixing mixed rare earth concentrates and sodium hydroxide in the weight ratio of 1:0.5 to 1.5; (2) roasting the mixed rare earth ore at the roasting temperature of between 150 and 550 DEG C for 0.5 to 4 hours; (3) washing roasted ore water obtained by roasting until the water is neutral; (4) dissolving washed alkali cakes in hydrochloric acid, and controlling the pH value to be between 4 and 5 to prepare rare earth chloride solution; (5) after washing thorium enrichment dissolved by the hydrochloric acid, performing sealing pile-up or extracting thorium and rare earth through further dissolution. The mixed rare earth concentrates are processed by adopting the low-temperature roasting decomposition process, so that the continuous production of the alkali-decomposing mixed rare earth ore can be realized ...

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Номер записи: 18
02-12-2015 дата публикации

Low pressure heat preservation stove advance exhaust system

Номер: CN0204818006U
Автор: ZHANG YINXI, ZHANG XUXIA, ZHANG HAIDONG
Принадлежит:

The utility model discloses a low pressure heat preservation stove advance exhaust system, including heat preservation stove, inlet and exhaust pipe way, waste heat recovery and recycling device, air inlet pipeline and exhaust pipe, the first end setting on inlet and exhaust pipe way is on the oven of heat preservation stove, the waste heat recovery and the first end of recycling the device are connected with the second end on inlet and exhaust pipe way, waste heat recovery and recycle the device and include the shell body and install the heat accumulator in the shell body, air inlet pipeline, exhaust pipe are respectively with waste heat recovery and recycle the device and be connected. It is through setting up waste heat recovery and recycle the device, during the exhaust, waste heat recovery and recycle the device with exhaust gas's high temperature energy storage to the heat accumulator in, when admitting air, the cold air is through waste heat recovery and recycle the device, the high ...

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Номер записи: 19
08-09-2010 дата публикации

Liquid alkali high-temperature roasting decomposition process of caustic soda liquid of mixed rare earth concentrates

Номер: CN0101824553A
Автор: JIANGUO CUI, WEIHONG HU, HAIJIAO LIU, ZHIJUN MENG, YINGJIE WANG, YANHUI XU, XUXIA ZHANG, CUI JIANGUO, HU WEIHONG, LIU HAIJIAO, MENG ZHIJUN, WANG YINGJIE, XU YANHUI, ZHANG XUXIA
Принадлежит:

The invention relates to a liquid alkali high-temperature roasting decomposition process of caustic soda liquid of mixed rare earth concentrates, which comprises the following steps of: (1) mixing mixed rare earth concentrates and sodium hydroxide in the weight ratio of 1:0.5-1.5; (2) roasting the mixed rare earth ore at the roasting temperature of between 500 and 900 DEG C for 0.5 to 4 hours; (3) washing roasted ore water obtained by roasting until the water is neutral; (4) dissolving washed alkali cakes in hydrochloric acid preferentially, and controlling the pH value to be between 4 and 5 to prepare rare earth chloride solution with less cerium; (5) performing reductive dissolution of nitric acid dregs dissolved by the hydrochloric acid, and controlling the pH value to be between 4 and 5 to prepare cerium nitrate solution; and (6) after washing thorium enrichment generated after cerium is dissolved by the nitric acid, performing sealing deposition or further extracting thorium and rare ...

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Номер записи: 20
25-07-2023 дата публикации

Method for recovering rare earth elements and fluorine elements from fluorine-containing rare earth slag

Номер: CN116479240A
Автор: LIU KEJIA, ZHANG HUI, HUANG MENGLING, ZHANG XUXIA
Принадлежит:

The invention relates to a method for recovering rare earth elements and fluorine elements from fluorine-containing rare earth slag, which comprises the following steps: (1) mixing the fluorine-containing rare earth slag and acid liquor, and then carrying out solid-liquid separation to obtain first filter residue and first filtrate containing the rare earth elements; and (2) mixing the first filter residue obtained in the step (1) and aluminum chloride-containing molten salt, and then sequentially carrying out roasting, washing and solid-liquid separation to obtain a second filtrate containing rare earth elements and a second filter residue containing fluorine elements. According to the method for recycling the rare earth elements and the fluorine elements from the fluorine-containing rare earth slag, efficient recycling of the rare earth elements and the fluorine elements can be achieved, operation is easy, cost is low, the technology is clean and environmentally friendly, and the method ...

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Номер записи: 21
02-12-2015 дата публикации

Melt automatic discharging equipment of aluminium stove aluminium liquid

Номер: CN0204830848U
Автор: ZHANG YINXI, ZHANG XUXIA, ZHANG HAIDONG
Принадлежит:

The utility model discloses a melt automatic discharging equipment of aluminium stove aluminium liquid, including furnace body, aluminium sap cavity, impeller, rotation axis, motor and power transmission system, the aluminium sap cavity set up the outside of furnace body and with the inner chamber intercommunication of furnace body, be provided with aluminium liquid discharge -channel on the lateral wall of aluminium sap cavity, the last fixed surface of impeller connects the rotation axis, impeller and rotation axis setting are in the cavity of aluminium sap cavity, the motor passes through power transmission system and controls rotation axis and impeller rotation. It during the high -speed rotation of electric machine control impeller, utilizes the high -speed rotatory centrifugal force of impeller through set up the impeller that can rotate in the aluminium sap cavity for aluminium liquid in the aluminium sap cavity produces the swirl and constantly risees, and automatic emission the ...

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Номер записи: 22
25-03-2015 дата публикации

Inter-harmonic detection method based on non-base 2FFT transformation

Номер: CN104459315A
Автор: CHENG YUHUA, CHEN KAI, LIU CONGXI, ZHANG XUXIA, ZHANG JIE
Принадлежит:

The invention discloses an inter-harmonic detection method based on non-base 2FFT transformation. When the number N of FFT points is equal to 2*N', N1 is made to be equal to 2, N2 is made to be equal to N', the FFT operation data are divided into N2 groups, each group has N1 point data, the data serial number n extracted from original FFT operation data is equal to N2n1+n2, 2FFT transformation is carried out on the N1 point data in each group, the k is equal to k1+N1k2, and the kth FFT transformation result in the original FFT operation data is obtained according to the calculation formula. The new non-base 2FFT algorithm is provided, FFT transformation of data with the point number N equal to 2*N' is achieved, no interpolation zero-padding is needed, inter-harmonic detection precision can be improved, the frequency resolution meets national standard requirements, a transformation result needing to be calculated can be selected according to actual requirements, and operation time ...

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Номер записи: 23
30-06-2023 дата публикации

Network security system based on internal and external network separation

Номер: CN116366344A
Автор: CHEN WEIJIE, GUO FANGZHENG, SONG CHUNXIAO, ZHAO YANHENG, CHEN GUODONG, ZHANG XUXIA, AN FENGCAI, ZHANG XINLEI, ZHANG ZHE
Принадлежит:

The invention discloses a network security system based on internal and external network separation, and relates to the technical field of computers. An isolator is respectively connected with USB interfaces of an internal network host and an external network host through USB connecting lines; the authority server is respectively connected with the isolator, the central processor, the main control computer and the database; the isolator generates a data transmission channel between the intranet and the extranet; the authority server receives the data request, verifies whether the data request is legal or not, sends a result to the main control computer, receives intranet data or extranet data and sends the intranet data or extranet data to the central processing unit; when the verification result is legal, the main control computer controls the authority server to receive or send the corresponding data in the database to the external network or the internal network; and detecting whether ...

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Номер записи: 24
03-09-2014 дата публикации

Full-automatic rough machining method and system for motorcycle wheel

Номер: CN104015054A
Автор: YUAN LIANGLIANG, ZHANG XUXIA, CHEN BINGFENG, WU JUN, SHI XINWEI
Принадлежит:

The invention discloses a full-automatic rough machining method and system for a motorcycle wheel. A machine tool is sequentially provided with a dead head and sprue cutting station, a center hole drilling station and a valve core hole drilling station in the feeding direction. The dead head and sprue cutting station, the center hole drilling station and the valve core hole drilling station in the feeding direction are respectively provided with a claw disc for three-station synchronous working. Each claw disc is provided with three synchronous pneumatic claws for clamping a hub. The synchronous pneumatic claws sequentially convey hub workblanks to the dead head sprue cutting station, the center hole drilling station and the valve core hole drilling station for continuous machining. A dead head and sprue cutting device at the dead head and sprue cutting station completes dead head cutting and sprue cutting of the third hub workblank at the same time, center hole drilling and valve core ...

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Номер записи: 25
23-04-2014 дата публикации

Method for preparing large granular praseodymium neodymium oxide by precipitating ammonium hydrogen carbonate at normal temperature

Номер: CN103738999A
Автор: ZHAO WENYI, XU YANHUI, LI ZHIQIANG, ZHANG XUXIA, TIAN HAO, LIANG XINGFANG, LIU LINGSHENG, MA SHENGFENG, ZHOU JIANPENG, WANG YINGJIE
Принадлежит:

The invention relates to a method for preparing large granular praseodymium neodymium oxide by precipitating ammonium hydrogen carbonate at normal temperature. The method is characterized by comprising the following steps: adding a praseodymium neodymium chloride solution with a concentration of 0.2-0.8 mol/L into a reactor, and directly adding an ammonium hydrogen carbonate solution with a concentration of 1-3 mol/L into the praseodymium neodymium chloride solution at normal temperature, wherein the molar ratio of praseodymium neodymium chloride to ammonium hydrogen carbonate is 1: (3.2-4); adding the ammonium hydrogen carbonate solution in two steps, firstly adding a part of ammonium hydrogen carbonate solution in the first step, stewing and aging for 10-15 hours, adding the rest ammonium hydrogen carbonate solution until complete precipitation, wherein the pH is 6.2-6.5; aging for 10-15 hours at normal temperature, filtering, washing with hot water, and naturally drying to obtain praseodymium ...

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Номер записи: 26
30-12-2015 дата публикации

Waste disposal device of veterinary station

Номер: CN0204912264U
Автор: YUE LINLING, JIN YINYE, ZHANG XUXIA, YAN XIANTING, ZHOU YIJIE, YU XIONGHUI, KONG CHENGYI, JIA YAN
Принадлежит:

The utility model provides a waste disposal device of veterinary station belongs to mechanical technical field. It has solved current veterinary station clearance discarded object convenient class of technical problem inadequately. This waste disposal device of veterinary station, its characterized in that, processing apparatus include the roller, and baffle no. 1 and baffle no. 2 are established and be fixed with to the both ends cover of roller, and baffle no. 1 and baffle are provided with the shovel piece that a plurality of is used for having shoveled the discarded object between two, the inboard of baffle no. 1 or baffle no. 2 is fixed with banking pin no. 1 and banking pin no. 2, side of roller is provided with the scraper bowl, the frame on be provided with and enable the moving mechanism no. 1 that the protruding lip of scraper bowl is close to or keeps away from to the shovel piece level, internal still being provided with in room enable frame or longitudinal movement's horizontal ...

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Номер записи: 27
13-08-2014 дата публикации

Differential pressure casting machine and casting method

Номер: CN103978183A
Автор: ZHANG HAIDONG, ZHANG XUXIA, ZHANG YINXI, WU JUN
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The invention discloses a differential pressure casting machine and a casting method. The differential pressure casting machine comprises a base seat plate, wherein a fixing die plate mechanism is arranged on the upper end face of the base seat plate, a lower die and a lower die cover are arranged in the middle of the upper end face of the base seat plate, the lower die cover wraps the outer side of the lower die, an upper die and an upper die cover are respectively arranged on corresponding positions right above the lower die and the lower die cover, the upper die cover wraps the outer side of the upper die, the upper die and the upper die cover are connected with a moving die mechanism through a moving die plate, the moving die mechanism is connected with the fixing die plate mechanism and moves up and down along the fixing die plate mechanism, a heat preserving furnace is arranged below the base seat plate, a heat preserving furnace driving mechanism is arranged in the heat preserving ...

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Номер записи: 28