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39results about How to "Achieve effective control" patented technology
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Electric field coupling-based wireless power transmission system
ActiveCN102882286AEnhanced couplingStable soft switching working stateElectromagnetic wave systemEfficient power electronics conversionCapacitanceLoad circuit
The invention discloses an electric field coupling-based wireless power transmission system. The system comprises a power supply circuit, a high-frequency inverter circuit, a tuning circuit, an electric field coupling polar plate, a rectifier filter circuit and a load circuit and is characterized by also comprising a coupling capacitance detection module, a controller and a fixed frequency drive circuit; a capacitance compensation array is arranged in the tuning circuit; the controller detects parameters of the electric field coupling polar plate and controls compensation values of the capacitance compensation array through the coupling capacitance detection module, and outputs fixed frequency control signals; and the fixed frequency signals are transmitted to the fixed frequency drive circuit, and then the high-frequency inverter circuit is driven to work. The electric field coupling-based wireless power transmission system has the advantages that based on the electric field coupling, the transmission capacity and efficiency of the system are improved by adopting an E amplifier; and by arranging the coupling capacitance detection module, the electric field coupling polar plate of the system is detected in real time, and the capacitance compensation value can be effectively controlled, so that the system is kept in the soft switching state, and the power transmission stability and reliability of the system are improved.
Owner:重庆华创智能科技研究院有限公司
Quantized quenching apparatus in metal heat treatment and the quantized quenching method using same
InactiveCN1733945ALow priceReduce pollutionHeat treatment process controlQuenching devicesWater basedLiquid tank
The invention relates to metal heat-treatment quantizing quenching device, based on water-base quench medium, which combines cooling request to run precise control. Wherein, connecting the liquid tank to quench bath by cooling inlet pipe, pump and valve; connecting the adaptation tank with heater to quench bath with material basket and over-flow slot and hole by pump and quench inlet pipe. This invention can decrease effectively cost and oil pollution, eliminates security hidden-trouble, and decreases the dependency degree to petroleum oil and derived products.
Owner:ZHONGYUAN ENGINEERING COLLEGE
Bridge crane system control method based on sliding mode control theory
InactiveCN111142385AAchieve effective controlLoad-engaging elementsAdaptive controlEquivalent controlBridge type
The invention relates to a bridge crane system control method based on a layered sliding mode control theory. A sliding mode controller is established by applying the sliding mode control theory. Aiming at the under-actuated characteristic of a bridge crane system, the layered sliding mode control theory is selected for designing a controller. According to the invention, the under-actuated characteristic of the bridge crane system is used; large and small vehicle displacement error sliding mode functions, a hoisting swing angle error sliding mode function and a total sliding mode function in large and small vehicle running direction are constructed, the effective control over an equivalent control rate and a switching control rate solid line bridge type crane system is designed, and the effectiveness of the method is checked through simulation and comparison with a traditional PID control method.
Owner:JIANGNAN UNIV
High-Strength Hollow Fiber Zeolite Membrane And Its Preparation Method
ActiveUS20160214064A1Slow down depreciationImprove mechanical propertiesMembranesDistillationFiberHollow fibre
The invention relates to a high-strength hollow fiber zeolite membrane and its preparation method, characterized in that the support of the high-strength zeolite membrane has a multi-channel hollow fiber configuration. The preparation method comprises first preparing a crystal seed solution, then immersing the dry support with the multi-channel hollow fiber configuration in the crystal seed solution, and extracting and drying the support to obtain a crystal-seeded support; and finally placing the crystal-seeded support in a zeolite membrane synthetic fluid, performing hydrothermal synthesis, and taking out, washing and drying the product to obtain the high-strength hollow fiber zeolite membrane. The multi-channel hollow fiber support can provide high mechanical property, which greatly reduces the depreciation rate of the hollow fiber zeolite membrane equipment during use. Meanwhile, the multi-channel hollow fiber zeolite membrane prepared by the Invention possesses high loading density of permeation flux and membrane module and can reduce the production cost and improve the separation efficiency significantly, and thus lays the foundation for promoting the industrial application of the hollow fiber zeolite membrane.
Owner:NANJING UNIV OF TECH
Novel reactive compensation and harmonic suppression device
PendingCN108390384AAchieve effective controlEffective controlActive power filteringReactive power adjustment/elimination/compensationThree-phaseDistribution transformer
The invention discloses a novel reactive compensation and harmonic suppression device, and the device comprises a passive filter which consists of a fifth-order single-tuned passive filter, a seventh-order single-tuned passive filter and an eleventh-order single-tuned passive filter, wherein the fifth-order single-tuned passive filter, the seventh-order single-tuned passive filter and the eleventh-order single-tuned passive filter are connected in a star shape. The device also comprises a zero sequence power active filter, a hybrid power active filter which filters second-order and fourth-order harmonic waves, an IGBT drive circuit, and a DSP control circuit. The DSP control circuit includes a DSP digital signal processor, an FPGA programmable logic device, an external ADC converter, and aphase locked loop circuit. The passive filter is connected to three phase a, c and c of a low-voltage side of a distribution transformer. The hybrid power active filter is formed by the cascading ofa passive part and an active part. The device achieves the extraction of second-order and fourth-order harmonic current signals from a nonlinear load, enables the second-order and fourth-order harmonic current signals to serve as the control signals of the power active filter, thereby achieving the effective control of the power active filter, and effectively filtering the second-order and fourth-order harmonic currents.
Owner:FUZHOU POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER +2
Coal seam in-situ pyrolysis method
The invention provides a coal seam in-situ pyrolysis method. The coal seam in-situ pyrolysis method comprises the steps that a water injection well / extraction well which takes an ignition well as thecenter and is distributed in a regular polygon state is arranged for well drilling; and oxygen-enriched air is injected into the ignition well, ignition is conducted, the ignition well with the higherfluid pressure serves as the extraction well to conduct pyrolysis product extraction operation according to the fluid pressure under the water injection well / extraction well close to the ignition well. According to the coal seam in-situ pyrolysis method, the combustion direction of the coal seam in the combustion well is controlled through the water injection amount of the water injection well, the ignition well and the water injection well are distributed in a regular polygon shape, the water injection well and the extraction well can be switched in real time, directional perforation is conducted on the coal seam in the water injection well / extraction well, the combustion direction can be effectively controlled, injection of external heat-carrying fluid is not needed, therefore efficientconversion of underground coal resources and extraction of oil and gas resources can be realized, and the method has the advantages of simplicity and feasibility.
Owner:陕西省煤田地质集团有限公司
Electric pencil sharpener
PendingCN107791733AAchieve effective controlAvoid over planingSharpenersNeedle sharpenerElectrical and Electronics engineering
The invention relates to an electric pencil sharpener which comprises a machine shell and a pencil sharpening mechanism arranged in the machine shell. The pencil sharpening mechanism comprises a cutter frame, a hobbing cutter, a work hole and a transmission assembly. A first transmission part in the transmission assembly can abut against one end of a push block, and the other end of the push blockabuts against a pencil point of a pencil. A second transmission part in the transmission assembly can abut against one end of a cutter shaft, and the first transmission part and the second transmission part are in linkage. During pencil sharpening, the pencil point pushes the push block, the push block pushes the first transmission part, the first transmission part drives the second transmissionpart and enables the second transmission part to push the cutter shaft, and then the cutter shaft moves in the direction away from the second transmission part; an elastic reset part is stressed tillthe cutter shaft is located on a cutter seat through a locating structure, the cutter shaft is located, the hobbing cutter is separated from the cutter shaft, and therefore effective cutter separationis achieved; and the sharpness of a pencil lead is effectively controlled, and the situation that sharpening is excessive or the sharpness is not enough is avoided.
Owner:宁波霏米力文具有限公司
Method and system for meeting
ActiveCN105025023BAchieve effective controlFollow up work in real timeSpecial service provision for substationService cloudClient-side
The invention discloses a conference realizing method. The method includes the following steps that: a host initiates conference invitations to participants through conference service cloud; the participants respond to the conference invitations and participate a conference through the conference service cloud, and establish connections with a host client through the conference service cloud; the host and the participants distribute conference information; the conference service cloud acquires the conference information and additional domain information corresponding to the conference information; speech information in the conference information is converted into text information; and conference summaries are extracted from character information and the text information according to set extraction rules, and the conference summaries are correlated with spokesmen. The invention also provides a conference system. With the conference realizing method and conference system of the invention adopted, effective control in a conference process can be realized; and conference summaries can be formed; corresponding schedules can be added into a calendar, so that real-time tracking of work can be realized, convenience and quickness can be realized; a large quantity of client resources are not required to be occupied.
Owner:KEDA INDUSTRIAL GROUP CO LTD
Method and apparatus for fracturing polycrystalline silicon
The present invention provides a method and an apparatus for fracturing polycrystalline silicon, and the method comprises steps of placing the polycrystalline silicon in a water tank containing water; applying an instant high voltage to the water tank so that high-voltage discharge occurs in the water of the water tank to fracture the polycrystalline silicon. The apparatus comprises a high-voltage transformer (B), a high-voltage rectifier (G), a charging capacitor (C), a disconnecting switch (K), a water tank (F) containing water, and a first electrode (1) and a second electrode (2) which are submerged in the water tank (F), the first electrode and the second electrode being disposed with a certain distance therebetween, wherein a primary winding of the high-voltage transformer (B) is connected to mains supply, a first terminal of a secondary winding of the high-voltage transformer is sequentially connected to the high-voltage rectifier (G), the disconnecting switch (K) and the first electrodes (1), a second terminal of the secondary winding is grounded and connected to the second electrode (2), and the charging capacitor (C) is connected between a common terminal of the high-voltage rectifier (G) and the disconnecting switch (K) and a common terminal of the secondary winding and the second electrode (2). The method and apparatus have advantages of simple process, uniform fragments and no metal contamination.
Owner:XINTE ENERGY
Controllable synthesis method of all-silicon and high-silicon CHA molecular sieve membrane
ActiveCN111530302AEasy to synthesizeReduce consumptionSemi-permeable membranesProductsMolecular sieveHexafluorosilicic acid
The invention relates to a controllable synthesis method of an all-silicon and high-silicon CHA molecular sieve membrane. The method comprises the following steps: taking N, N, N-trimethyl-1-adamantylammonium hydroxide (TMAdaOH) as a template agent, taking ammonium hexafluorosilicate, or a common silicon source and fluoride as silicon sources, and synthesizing the all-silicon and high-silicon CHAmolecular sieve membrane in a dilute solution with H2O / SiO2 of about 30. Meanwhile, an atomic economic synthesis method is developed and is also called sol-free synthesis, so that the use of a largeamount of mother liquor in traditional hydrothermal synthesis is avoided, the utilization rate of raw materials is greatly increased, and the cost for preparing the membrane is reduced. The thicknessof the prepared all-silicon and high-silicon CHA molecular sieve membrane is less than 1 micron, and the all-silicon and high-silicon CHA molecular sieve membrane has excellent CO2-CH4 separation performances.
Owner:SHANGHAI UNIV OF ENG SCI
Reliability testing method and device of industrial robot
InactiveCN107498586AAchieving Motion PrecisionAchieve effective controlProgramme-controlled manipulatorManufacturing engineeringLaser tracker
The present invention provides reliability testing method and device of an industrial robot and relates to the technical field of industrial control. The reliability testing method of the industrial robot comprises the following steps: firstly, the industrial robot starts to move after receiving a track testing signal sent by a controller, wherein the industrial robot is arranged in a walk-in laboratory; secondly, a laser tracker sends a track capturing signal to the industrial robot, wherein the laser tracker is arranged in a heat-insulating transparent container and the heat-insulating transparent container is also arranged in the walk-in laboratory; and the laser tracker receives a track returning signal reflected by the industrial robot and calculates the track accuracy of the industrial robot according to the track returning signal. Through the processing steps, the movement precision of the industrial robot is effectively tested and the operation reliability of the industry robot is guaranteed.
Owner:重庆鲁班机器人技术研究院有限公司
Virtual synchronous generator control method based on model predictive control
PendingCN113595147AEasy to controlAchieve effective controlElectronic commutation motor controlVector control systemsVirtual synchronous generatorReference current
The invention relates to a virtual synchronous generator control method based on model predictive control. The method comprises the following steps of: acquiring current and voltage of a system in real time, generating reference current by using the virtual synchronous generator control method, establishing a predictive optimization model, acquiring a predicted current value from the predictive optimization model, sending the predicted current value and the reference current into a target function, selecting a prediction value which minimizes the target function, and allowing a corresponding optimal switching sequence to directly act on the inverter. According to the invention, under the condition that the power of a power grid suddenly changes, power fluctuation is properly reduced, and the transient process of the system is optimized; the virtual synchronous generator technology is combined with model prediction control, so effective control over a three-phase inverter is achieved, parameter setting is reduced, a control structure is optimized, and the method plays an important role in providing inertia support for a power grid; and the method is suitable for grid-connected systems of new energy such as solar power generation and wind power, and can be promoted as control methods for other single-phase or three-phase grid-connected inverters.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER
Inter-line power flow controller multi-target coordination control method based on fuzzy logic
ActiveCN112202167AUnlock the Potential of Coordinated ControlAchieve effective controlFlexible AC transmissionArtificial lifeParticle swarm algorithmOperations research
The invention discloses an inter-line power flow controller multi-target coordination control method based on fuzzy logic. The method comprises the steps: building an IPFC multi-target coordination control system based on conventional control, and formulating a corresponding coordination control strategy; aiming at the defect that a traditional controller is poor in adaptive function under different working conditions, designing a multi-target fuzzy logic controller and a coordination strategy based on fuzzy self-adaptive control; and optimizing the parameter factors of the IPFC fuzzy controller by combining a particle swarm algorithm and the optimization sample of the traditional controller established in the step S1 so as to mine the coordination control potential of the IPFC under different operation conditions of the system. According to the invention, a multi-objective coordination control method is combined with a particle swarm optimization algorithm and a traditional controlleroptimization sample, a multi-objective fuzzy logic controller is designed, effective control over different objectives is achieved, a corresponding coordination control strategy is formulated according to the interaction influence between the objectives, and the coordination control potential of the IPFC under different operation working conditions of the system is mined.
Owner:STATE GRID JIANGSU ECONOMIC RES INST +3
Electric field coupling-based wireless power transmission system
ActiveCN102882286BReduce electromagnetic interferenceImproved power transfer stabilityElectromagnetic wave systemEfficient power electronics conversionCapacitanceLoad circuit
Owner:重庆华创智能科技研究院有限公司
Electric horizontal rolled clamp and using method thereof
PendingCN113860145AInnovative designReasonable structureLoad-engaging elementsElectric machineGear wheel
The invention discloses an electric horizontal rolled clamp and a using method thereof. The electric horizontal rolled clamp comprises a hanging beam, a hanging shaft device is arranged in the middle of the hanging beam, clamp arms are arranged on the two sides of the lower portion of the hanging beam correspondingly, a gear motor is arranged on the upper surface of the hanging beam, the bottom of the hanging beam is open, telescopic beams are arranged on the front side and the rear side inside the hanging beam correspondingly, a rack is transversely arranged on the inner side surface of each telescopic beam, the output end of the gear motor is connected to a transmission mechanism, the transmission mechanism comprises an output shaft, a gear meshing with the two racks at the same time is installed at the end part of the output shaft, each clamp arm is fixedly connected to one telescopic beam, the whole clamp arm is of a long-strip-shaped frame structure, a rectangular opening is formed in the lower portion of each clamp arm, a clamp claw assembly is movably arranged in the opening, guide frames capable of moving up and down on the outer sides of the clamp arms are arranged on the outer sides of the clamp arms, and guide rail connecting rod mechanisms are movably arranged between the guide frames and the corresponding ends of the hanging beam. By means of the electric horizontal rolled clamp, the problem that the electric horizontal rolled clamp collides or rubs steel coils can be effectively solved, the steel coil yield is increased, the equipment failure rate is reduced, and the equipment maintenance cost is reduced.
Owner:安徽马钢和菱实业有限公司
Accelerator pedal dead zone control method and device, controller and vehicle
ActiveCN110654235APrevent accidental touchAchieve effective controlPropulsion unit arrangementsAutomotive engineeringEngineering
The embodiment of the invention provides an accelerator pedal dead zone control method and device, a controller and a vehicle. The method comprises the following steps of acquiring an initial accelerator pedal range; adjusting the initial accelerator pedal range according to the preset empty pedaling amount of an accelerator pedal, and determining an adjusted pedal range corresponding to the accelerator pedal; determining a hysteresis range and an advance range of the accelerator pedal according to the initial accelerator pedal range and the adjusted pedal range; and controlling the opening degree of the accelerator pedal according to the hysteresis range and the advance range of the accelerator pedal. According to the method of the embodiment, the problem that the accelerator pedal cannotbe effectively controlled in the prior art can be solved, and the safety is further improved.
Owner:WEICHAI POWER CO LTD
Household appliance control method, household appliance control system and wearable device
PendingCN112965391AAchieve effective controlAvoid control failureComputer controlTotal factory controlEmbedded systemPhysical therapy
The invention relates to the technical field of intelligent household electrical appliances, and discloses a household electrical appliance control method which comprises the following steps that: a server obtains a user information base in which pre-stored action information of a user associated with at least one wearable device is stored, wherein the pre-stored action information comprises identification information of pre-stored actions, acceleration data and myocurrent data corresponding to the pre-stored actions, and identification information and controllable operation modes of controllable household appliances associated with the pre-stored actions; a target user is determined, and according to target acceleration data and target muscle current data collected by a target wearable device associated with the target user, a target action of the target user and identification information and a target operation mode of a target household appliance associated with the target action are obtained from the user information base by means of matching; and the target household appliance is controlled to operate in the target operation mode. In this way, effective control of the target household electrical appliance can be realized, and the user experience is improved. The invention further discloses a household appliance control system and a wearable device.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +2
Ammonium lignin sulphonate compound dust-proof agent and application thereof
InactiveCN103497737AExtended Control TechniquesExpand the scope of theoryOther chemical processesHigh pressureNuclear chemistry
The invention discloses an ammonium lignin sulphonate compound dust-proof agent and an application thereof. The ammonium lignin sulphonate compound dust-proof agent is prepared by compounding 25%-75% of ammonium lignin sulphonate, 5-15% of ethylene glycol and the balance of water by weight. The working concentration of the ammonium lignin sulphonate compound dust-proof agent is 0.1-10%. The using steps of the ammonium lignin sulphonate compound dust-proof agent are as follows: (1) preparing the ammonium lignin sulphonate compound dust-proof agent; (2) diluting the prepared ammonium lignin sulphonate compound dust-proof agent till meeting the working concentration; (3) spraying the diluted ammonium lignin sulphonate compound dust-proof agent on the surfaces of dust material particles through a high-pressure spray gun. The dust removal effect of the ammonium lignin sulphonate compound dust-proof agent disclosed by the invention can reach above 80%; as the air loss is obviously reduced in a dust source conveying process, the air quality of a dust source location is greatly improved, and the economic loss is reduced.
Owner:上海集萃净化技术有限公司
A post-production processing method and system for a hollow fiber membrane
ActiveCN109464915BSolve environmental emission problemsImprove sealingSemi-permeable membranesBiotechnologyProcess engineering
The invention relates to a post-production processing method for hollow fiber membranes, comprising: S1. Sending hollow fiber membranes containing a diluent into an extraction device, and extracting the membranes with an extractant to obtain extracted membranes and An extract containing an extractant and a diluent; the extract is sent to a buffer device; S2. In the buffer device, part of the diluent in the extract is precipitated, and then solid-liquid separation is performed to obtain a solid-phase diluent and the residual liquid, the residual liquid is sent to the concentration device; S3. In the concentration device, the extractant in the residual liquid is separated to obtain recovered liquid extractant and concentrated liquid. The invention also relates to a post-processing system for hollow fiber membrane production. According to the method and system provided by the invention, the operation safety is significantly improved, the production cost and environmental risk are reduced, the production technology of the hollow fiber membrane is significantly affected, and the application prospect is good.
Owner:CHINA PETROLEUM & CHEM CORP +1
Direct current motor servo driver
ActiveCN102437800BIncrease the number ofAchieve effective controlMultiple dc dynamo-electric motors controlLoop controlCurrent limiting
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Quality detection method for vinegar myrrh standard decoction
PendingCN114646720AAchieve effective controlGood separationComponent separationAgainst vector-borne diseasesThin-layer chromatographyMyrrh
Owner:HUNAN XINHUI PHARMA
Butadiene styrene rubber and preparation method thereof
ActiveCN108239225AAchieve effective controlReduce manufacturing costHydrocarbon solventsButadiene-styrene rubber
The invention provides a preparation method of butadiene styrene rubber. The preparation method comprises the following step: carrying out a copolymerization reaction on styrene and butadiene in a hydrocarbon solvent to obtain solution polymerized styrene-butadiene rubber by taking organic lithium as an initiator and tetrahydrofurfuryl alcohol alkyl ether and tetrahydrofuran as a structural regulator, wherein the molar ratio of tetrahydrofurfuryl alcohol alkyl ether and organic lithium is (1-4): 1 and the molar ratio of tetrahydrofuran and organic lithium is greater than 40: 1. Vinyl-based solution polymerized styrene-butadiene rubber in random high styrene is prepared by means of the preparation method, so that the service performance of butadiene styrene rubber is improved. By adopting the preparation method, the raw materials are easily available, and the tetrahydrofuran regulator in industrial production can be recycled with the hydrocarbon solvent, so that the production cost is lowered greatly.
Owner:PETROCHINA CO LTD
Controller, system and method of permanent magnet circuit breaker
InactiveCN107134394AAchieve effective controlAdapt to the development trend of intelligenceElectrical testingProtective switch operating/release mechanismsCapacitanceMagnet
The invention provides a controller, system and method of a permanent magnet circuit breaker, relates to the technical field of circuit breaker control, and can achieve effective control on the permanent magnet circuit breaker and adapt to an intelligent development trend. The controller comprises a power module, an executive module, a control module and a communication module; the power module, the executive module and the communication module are connected with the control module, and the power module is connected with the executive module; the power module is used for providing working power supply for the executive module and the control module; the executive module comprises an energy storage capacitor module and a breaking-closing output module, the energy storage capacitor module is connected with the breaking-closing output module, the breaking-closing output module is used for controlling a mechanism coil of the permanent magnet circuit breaker, and the energy storage capacitor module is connected with the control module; the control module is a microprocessor which has a programming function and is used for conducting collection and processing on data; the communication module is used for providing a communication transmission channel where the control module and an upper computer exchange information and instructions.
Owner:STATE GRID SHANDONG ELECTRIC POWER +2
Method for controlling print frequency
InactiveCN1310147CAchieve effective controlGuarantee stabilityResource allocationSystem stabilityComputer science
The invention discloses a print frequency control method, which comprises the following steps: A. setting the threshold value of CPU occupation rate at the print information output time; obtaining the occupation rate of present system CPU; B. judging whether the occupation rate of present system CPU exceeds the threshold value; stopping outputting the print information if yes; outputting the print information if not. The invention improves the system stability when the occupation rate of present system CPU is high, which guarantees the system stability.
Owner:HUAWEI TECH CO LTD
Low dose of sildenafil as an antitumor drug
InactiveUS20190183893A1Improve treatmentImprove effective controlOrganic active ingredientsOintment deliverySide effectOxygen
The present invention is related to the medical technology field. This invention discloses the application of sildenafil at low doses as an antitumor drug, with the chemical name of 1-[4-ethyl-3-[5-(6,7-Two-methyl-7-oxygen generation-3-propyl H pyrazole and [4,3d] pyrimidine)] phenyl sulfonyl-4-biphenyl methyl piperazine, and the use dosage is: the oral dosage of 0.04˜0.5 mg per 1 kg of body weight, or 2˜25 mg for an adult with body weight of 50 kg, or injection dosage of 0.04˜0.2 mg per 1 kg of body weight, or 2˜10 mg for an adult with body weight of 50 kg, or external dosage in a mass percentage of less than 1% of sildenafil. This invention is applicable to the treatment of malignant tumors. It inhibits tumor growth by more than 50% without significant toxic or side effects, and thereby, sildenafil can be used in control of tumor growth and for improvement of other treatments of tumor.
Owner:GUANGZHOU DONGLAI BIOTECH CO LTD
Separation and determination method of erlotinib hydrochloride and potential impurities
ActiveCN107656005BEfficient separationAchieve quality controlComponent separationPhosphoric acidSilica gel
The invention belongs to the field of analytical chemistry, and in particular relates to a separation and determination method for erlotinib hydrochloride and related potential impurities. The method uses octadecylsilane bonded silica gel as the stationary phase, and elutes with methanol-acetonitrile mixed solution and phosphate buffered saline as the mobile phase. Separation, this method can also use high performance liquid chromatography for separation and determination, not only to achieve effective separation, but also to accurately determine the content of erlotinib hydrochloride and related potential impurities, with strong specificity and high sensitivity. The quality control and safety assurance of lotinib are of great significance.
Owner:CHONGQING HUABANGSHENGKAI PHARM
Method and apparatus for fracturing polycrystalline silicon
ActiveUS10328434B2Uniform fractureQuality improvementGrain treatmentsHigh pressureMetal contamination
The present invention provides a method and an apparatus for fracturing polycrystalline silicon, and the method includes steps of placing the polycrystalline silicon in a water tank containing water; applying an instant high voltage to the water tank so that high-voltage discharge occurs in the water of the water tank to fracture the polycrystalline silicon. The method and apparatus have advantages of simple process, uniform fragments and no metal contamination.
Owner:XINTE ENERGY
Control method and equipment for special bearing establishment in default bearing establishing process
ActiveCN101400148BBuild smoothlyAchieve effective controlConnection managementArchitectural engineeringControl equipment
The invention discloses a control method of special bearing building in default bearing building process, comprising that: control entity at the network side receives the special bearing building request in the default bearing building process; the control entity at the network side judges whether continuing building the special bearing according to the preset condition, if true, continuing building the special bearing; otherwise keeping the special bearing building request, till reaching all the preset conditions, continuing building the special bearing. The invention discloses a control device of special bearing building in the default bearing building process, realizing the control on the special bearing building in the in default bearing building process by the entity at the network side, ensuring successfully building the special bearing in attached flow.
Owner:HUAWEI TECH CO LTD
Smart home system
InactiveCN108809780AAchieve effective controlEffective controlImage analysisHome automation networksEngineeringEnvironmental monitoring
The invention provides a smart home system, comprising an environment monitoring system, a security and protection monitoring system, a home gateway, a control terminal and a home terminal, wherein the environmental monitoring system and the security and protection monitoring system are in communication connection with the home gateway, the environmental monitoring system collects indoor environmental information by using a sensor, the security and protection monitoring system is used for detecting an indoor foreground target and generating monitoring information, the smart home gateway sendsthe collected environmental information and the monitoring information to the control terminal, and the control terminal controls the home terminal based on the environmental information and the monitoring information. The smart home system provided by the invention has the beneficial effects of realizing environmental monitoring, security and protection monitoring and effective control of the smart home.
Owner:肖哲睿
Quantized quenching apparatus in metal heat treatment and the quantized quenching method using same
InactiveCN1733945BLow priceReduce pollutionHeat treatment process controlQuenching devicesWater basedPetroleum
The invention relates to metal heat-treatment quantizing quenching device, based on water-base quench medium, which combines cooling request to run precise control. Wherein, connecting the liquid tankto quench bath by cooling inlet pipe, pump and valve; connecting the adaptation tank with heater to quench bath with material basket and over-flow slot and hole by pump and quench inlet pipe. This invention can decrease effectively cost and oil pollution, eliminates security hidden-trouble, and decreases the dependency degree to petroleum oil and derived products.
Owner:ZHONGYUAN ENGINEERING COLLEGE
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