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71results about How to "Avoid adverse situations" patented technology
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Driving device and AGV (automatic guided vehicle) chassis
InactiveCN110588266AImprove stabilityAchieve the effect of independent shock absorptionResilient suspensionsVehiclesElastic componentDrive wheel
The invention relates to the technical field of driving, in particular to a driving device and an AGV (automatic guided vehicle) chassis. The driving device comprises a mounting plate, two damping mechanisms and two driving wheels; the two driving wheels are arranged at the bottom of the mounting plate in parallel; each driving wheel is provided with one damping mechanism; each damping mechanism comprises a supporting rod, an offset plate and an elastic component; the first ends of the supporting rods are rigidly connected to the mounting plate; the second ends of the supporting rods are hinged to the first ends of the offset plates; the first ends of the elastic components are hinged to the mounting plate; the second ends of the elastic components are hinged to the second ends of the offset plates; and each driving wheel is hinged to the corresponding offset plate through a first rotating shaft. According to the driving device and the AGV (automatic guided vehicle) chassis, the technical problem that in the prior art, each wheel cannot independently absorb shock when a single wheel encounters an obstacle can be effectively solved, so that the motion stability of the driving deviceis improved, and the adverse condition that one wheel encounters the obstacle and jounces to influence another wheel can be avoided.
Owner:GUANGDONG BOZHILIN ROBOT CO LTD
Preparation method for calcium hydrate loading activated clay
ActiveCN105271277ASimple preparation processImprove securitySilicon compoundsSodium BentoniteFiltration
The invention discloses a preparation method for calcium hydrate loading activated clay, and belongs to the bentonite deep processing technology field. The calcium hydrate loading activated clay is prepared after steps of blending, slurrying, acid activation reaction, first press filtration, washing, secondary press filtration, alkalization, third press filtration, drying, crushing and the like. The prepared calcium hydrate loading activated clay is high and stable in quality, the preparation technology is simple, the cycle is short, safety and production efficiency are high, and the production cost and energy consumption are low. Obtained waste acid is recycled, acid and sewage processing cost is lowered, and energy saving and emission reduction effects are achieved.
Owner:GUANGXI LONGAN RUIFENG IND TRADING CO LTD
Preparation method of microorganism active tobacco seedling growing base material
InactiveCN105594507ARich microporous structureLarge specific surface areaSuperphosphatesFungiBacterial agentPerlite
The invention discloses a preparation method of a microorganism active tobacco seedling growing base material. The preparation method comprises the following steps: activating EM bacteria; preparing a tobacco seedling growing base material activating agent; and fermenting and preparing the microorganism active tobacco seedling growing base material which is directly used for floating type seedling growing. By sufficiently expressing material properties of a microorganism bacterial agent (EM bacteria) (capable of optimizing base material properties, promoting rooting and reducing diseases and insect pests), organic materials (capable of improving nutritional requirements of tobacco seedlings and promoting expanding propagation of microorganisms) and biomass carbon (with abundant micro-pore structures, large specific surface area, high pH and strong adsorption capability and anti-decomposition capability); the three materials above are organically fused with peat, vermiculite, perlite and the like by utilizing a fermentation engineering technology to prepare the seedling growing base material which has the characteristics of high microbiological activity, capability of continuously and effectively supplying fertility, and good physicochemical environment for development of tobacco seedlings; the seedling growing base material is successfully used for the floating type seedling growing of tobaccos.
Owner:SICHUAN AGRI UNIV +1
Simplified industrial method for recovering cutting fluid from silicon chip cutting and processing mortar
InactiveCN101892118AAvoid adverse situationsAvoid Enrichment SituationsLubricant compositionMegasonic cleaningSilicon chip
The invention relates to a simplified industrial method for recovering cutting fluid from silicon chip cutting and processing mortar. According to the technical scheme, the simplified industrial method for recovering the cutting fluid from the silicon chip cutting and processing mortar comprises the following steps of: firstly, adding a diluting agent into cutting mortar for reducing system viscosity; secondly, carrying out the one-stage separation on the viscosity-reduced mortar by a fine filtering device A to obtain one-stage separated mortar liquid L1; thirdly, carrying out the second-stage separation on the mortar liquid subjected to the one-stage separated by a fine filtering device B and controlling filter fineness to intercept minimum passing gains with grain diameters under 2 micron for further removing solid matters to obtain second-separated mortar liquid L2; and fourthly, ensuring that the second-stage separated mortar liquid L2 passes through an ultrasonic cleaning device and enters a distilling device to remove the diluting agent (recycle) to obtain the recovered cutting liquid.
Owner:JIANGSU JIAYU RESOURCE UTILIZATION
Connecting piece with steel bar rings
ActiveCN103882991AEasy to manufactureImprove product qualityBuilding constructionsReinforced concreteArchitectural engineering
The invention relates to a connecting piece with steel bar rings and belongs to the technical field of prefabricated reinforced concrete structure structural members. The connecting piece comprises a separation plate and connection steel bars. Grooves are formed in the separation plate, the connection steel bars penetrate through the separation plate and are provided with the steel bar rings in a hanging mode. The connecting piece can improve the industrialization level of building structures.
Owner:初明进
Intelligent pesticide spraying system
InactiveCN105407318AReduce investmentIncrease productionClosed circuit television systemsTransmissionPesticideData processing
The invention discloses an intelligent pesticide spraying system. An image acquisition device acquires images of a current crop leaf and a growth state, and sends the acquired images to a data processing device; the data processing device compares the images sent by the image acquisition device and a pre-stored reference image, determines specific types of crop agricultural disasters and growth stages, and sends the specific types of the agricultural disasters and the crop growth stages to a control center; the control center selects corresponding pesticides according to the agricultural disaster types and crop growth stages which are transferred by the data processing device, controls a pesticide storage device to input the pesticides into a pesticide spray coating device, and controls dosages of the pesticides conveyed by the pesticide storage device; and the pesticide storage device stores pesticides aiming at the different agricultural disasters, and conveys the pesticides to the pesticide spray coating device; and the pesticide spray coating device sprays and coats the pesticides. The system saves manpower input to a great extent, improves the output of crops, and has high practicality.
Owner:GUILIN TENGRUI ELECTRONICS TECH CO LTD
Multiple optical axises photoelectric sensor
InactiveCN1519784AAvoid adverse situationsOptical detectionEngineering safety devicesPhysicsVIT signals
The multiple beam axis photoelectric sensor is provided with a beam emitter 1 equipped with two or more beam emitting elements 11a-11l and with a beam receiver 2 equipped with two and more beam receiving elements 21a-21l each of which constitutes a channel respectively in a pair with its counterpart in beam emitting elements 11a-11l, performing detection operation one by one for each channel based on whether or not the beam from each of emitting element 11a-11l is received by each of receiving element 21a-21l in the same channel. Optional channels among the two or more channels are designated by an external console 30 and also the designation is memorized to a memory 25A, therefore, a CPU 25 on the beam receiving side overrides, for only a predetermined period, beam receiving signals of the receiving elements 21a-21l consisting of the channels designated by the external console, based on the control signal which is input from an external control circuit through an input port 27.
Owner:PANASONIC INDAL DEVICES SUNX
Ketoconazole foaming agent and preparation method thereof
ActiveCN101856328AFine foamAvoid adverse situationsOrganic active ingredientsAntimycoticsDiseaseFoaming agent
The invention provides a ketoconazole foaming agent and a preparation method thereof, which are used for treating fungal infective diseases, such as seborrheic dermatitis and the like.
Owner:北京京卫燕康药物研究所有限公司
Fuel distribution device for fuel feed ducts, and fuel supply device with the fuel distribution device
InactiveCN1518654AIncrease temperatureGuaranteed temperatureCombustion using gaseous and pulverulent fuelCombustion using liquid and pulverulent fuelFuel distributionSolid fuel
A fuel distribution device for fuel feed ducts, comprising a branching point in a fuel feeding duct for feeding a mixed fluid of solid fuel and carrier gas to one or more burners installed in the wall surface of a furnace, a plurality of branch ducts branching off from the branching point and having the corresponding burners connected thereto, and a damper disposed in the fuel feed duct on the upstream side of the branching point and capable of changing the angle of inclination with respect to the direction of flow of the mixed fluid in such a manner as to cause the solid fuel concentrations in the mixed fluid fed to the branch ducts to deviate from each other. The angle of inclination of the damper is adjusted to increase the solid fuel concentration of the mixed fluid in a particular burner. The burner having a high solid fuel concentration fed thereto ensures ignition stability and stabilized combustibility of ignited flames during low loading.
Owner:BABCOCK HITACHI KK
Sealing structure of soaking plate and manufacturing method
ActiveCN101767270AAvoid adverse situationsImprove performanceStorage heatersIndirect heat exchangersThin metalProcess engineering
The invention relates to a manufacturing method of a soaking plate, which comprises the following processing steps: preparing raw materials, filling powder and sintering, prepressing, filling into a supporting structure, compressing, sealing, injecting liquid and vacuum treating. A sealing structure of the soaking plate comprises a half-finished product of the soaking plate, a liquid injecting port and a supporting structure, wherein the half-finished product of the soaking plate is provided with a vacuum chamber; the liquid injecting port is positioned at one side of the soaking plate; the supporting structure is arranged in the vacuum chamber and used for supporting the outline of the half-finished product of the soaking plate; the liquid injecting port is an sealing port integrally-formed by pressing and sealing the side of the soaking plate; after sealing, a liquid injecting tube needs not to be welded, but the liquid injecting port is reserved; and after liquid injection, vacuum treating and sealing are carried out. The soaking plate produced by the steps does not need a thin metal tube, can be unified in a vacuum box for carrying out the subsequent sealing processes, and avoids the unfavorable condition caused by the internal and external pressure difference of the chamber of the soaking plate, so that the produced product has good performance, low rejection rate and good use effect.
Owner:ZHONGSHAN WEIQIANG TECH
Method for producing a large steel tube
InactiveCN102056687AImproved mechanical performanceShorten production timeSheet steelStress relieving
Owner:EISENBAU KRAMER
Plasma etching device with even gas supply function and gas supply device thereof
InactiveCN103426710AAvoid adverse situationsGuaranteed uniformityElectric discharge tubesPhysicsRadio frequency
Provided is a plasma etching device with the even gas supply function. The plasma etching device with the even gas supply function comprises a reaction chamber, wherein a grounding electrode and a radio-frequency electrode are arranged in the reaction chamber in an opposite and spaced mode. The plasma etching device with the even gas supply function further comprises a gas supply device. The gas supply device comprises at least one even gas pipeline, wherein a gas inlet is formed in one end of the even gas pipeline, the other end of the even gas pipeline is closed, a plurality of gas outlets are formed in the side wall of the even gas pipeline, the gas inlet of the even gas pipeline is formed outside the reaction chamber, and is inserted into the reaction chamber in a sealed mode, the portion, with the gas outlets, of the even gas pipeline, namely a gas exhaust pipe portion, is arranged between the grounding electrode and the radio-frequency electrode, and the gas outlets face a workpiece which is placed between the grounding electrode and the radio-frequency electrode. The invention further provides the gas supply device. According to the plasma etching device with the even gas supply function and the gas supply device, uniformity of distribution of gas pressure of gas inside the reaction chamber can be well improved through the reaction chamber, the rejection rate of workpieces can be reduced, and the service life of the reaction chamber can be prolonged.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)
Multifunctional integrated circuit debugging system with circuit welding function
InactiveCN106163133AAvoid adverse situationsQuick releasePrinted circuit assemblingElectronic circuit testingElectronic loadObservation unit
The invention discloses a multifunctional integrated circuit debugging system with a circuit welding function. The system comprises a control host computer, a circuit board test fixture, a test signal output and observation unit and a rapid circuit board welder, wherein the test signal output end of the circuit board test fixture is connected with the signal input end of the test signal output and observation unit; a power line of the rapid circuit board welder is connected with the control host computer. The system is simple in structure, convenient to operate, diversified and concentrated in function, simple and easy in a using process, reliable in connection, accurate in test and high in welding efficiency, safe reliability and welding quality, functions of apparatuses such as an adjustable regulated power supply, an oscilloscope and an electronic load meter are integrated, and the circuit board debugging efficiency is greatly improved.
Owner:HUANGHE S & T COLLEGE
Method for selecting cutting processing timing in manufacturing process of additive materials and subtractive materials
InactiveCN108145164AShorten molding timeIncrease productivityAdditive manufacturing apparatusIncreasing energy efficiencyInterference phenomenonCutting force
The invention discloses a method for selecting the cutting processing timing in the manufacturing process of additive materials and subtractive materials. In the alternately layered manufacturing process of the additive materials and the subtractive materials, whether printing of the next layer is continued or not or the cutting process is performed or not is determined by pre-judging whether thephenomenon of cutting interference or the excessive cutting force is generated or not in the processing process of a part, processing is performed till the end of a processing code of the part is reached, and processing is completed. By the adoption of the method, selection data can be provided for the printing layer number of a three-dimensional printing system of a five-axis additive material CAM system, and a best cutting opportunity is searched for, so that the problem that interference phenomenon is generated easily when a part deep hole is processed by a long tool is solved, damage, caused by the excessive cutting force, to the processing tool and the part is avoided, the surface quality of an inner hole of the deep hole part is improved, and the production and manufacturing efficiency is improved.
Owner:ZHEJIANG UNIV
Brake system having small turn radius
InactiveCN101941427AImprove mobilitySimple structureFluid braking transmissionNon-deflectable wheel steeringSolenoid valveEngineering
The invention discloses a brake system having a small turn radius, belonging to the automobile field. According to the invention, the brake system comprises a normally open solenoid valve and a small turn switch which are arranged in left and right rear wheel brake circuits, wherein the normally open solenoid valve is used for realizing that the normally open solenoid valve in the turning inner-side rear wheel brake circuit is in an energized cutoff state so as to cut off the turning inner-side rear wheel brake circuit, maintain the brake pressure or the semi-brake pressure of the rear wheel brake and maintain the brake or the semi-brake of the rear wheel when the automobile is subject to a process of small turning or small-turning U turn; and the small turn switch is used for controllingthe normally open solenoid valve directly or indirectly by an electric control unit. The invention is beneficial to reducing the turn radius of the automobile.
Owner:葛叶凡
Intelligent energy-saving control system of central air conditioner
InactiveCN101929716AAdapt to load changesAvoid adverse situationsSpace heating and ventilation safety systemsLighting and heating apparatusElectricityCooling tower
The invention discloses an intelligent energy-saving control system of a central air conditioner, relates to an air-conditioning control system, in particular to an energy-saving control system of the central air conditioner. The energy-saving control system comprises an original water pump control cabinet, a cooling tower, a water segregator, a cooling water pump, a freezing water pump, a water collector, a tail end and a central air-conditioning host, wherein control cabinets are respectively connected with the original water pump control cabinet; a pressure sensor is arranged at an outlet of the cooling water pump; a temperature sensor is arranged at a cooling water inlet / outlet header pipe of the central air-conditioning host; a temperature sensor is arranged at a freezing water inlet / outlet header pipe of the central air-conditioning host; a pressure sensor is arranged at an outlet of the freezing water pump; and each temperature sensor and each pressure sensor are connected with the control cabinets and exchange information with the control cabinets. Through the intelligent energy-saving control system, a water pump system can more adapt to load change; the condition of an integral cooling system after the frequency conversion of the water pumps is considered comprehensively, simultaneously, the intelligent energy-saving control system has the advantages of pressure monitoring, intelligent control process, remote monitoring, simple and convenient operation, obvious energy-saving effect and average electricity-saving rate of 42 percent.
Owner:陈晓林
Method for rapidly and smoothly removing magnesium alloy micro-arc oxide film layer
ActiveCN111644748AGuaranteed surface qualityFully ablatedLaser beam welding apparatusMicro arc oxidationLaser scanning
Provided is a method for rapidly and smoothly removing a magnesium alloy micro-arc oxide film layer. A nanometer laser device with a laser wavelength of 1.064 is adopted to perform laser removal on the magnesium alloy micro-arc oxide film layer, a laser output power is 6-18 W, a laser frequency is 25-100 KHz, a scanning mode is repeated laser beam scanning of the micro-arc oxide film layer, scanning directions of every two subsequent times of scanning are perpendicular to each other, a trace interval is 0.05-0.09 mm, and a scanning speed is 510-2000 mm / s. By means of the method, a laser outputpower is reduced; and by setting the laser scanning mode, trace interval and scanning speed, the micro-arc oxide film layer can be sufficiently removed, a magnesium alloy surface can be prevented from ablation, the quality of the magnesium surface subjected to laser removal is ensured, the film layer removal speed is high, film layer removal is thorough, the roughness of the magnesium alloy surface subjected to film layer removal does not exceed 3.2, and the requirement for removal of the magnesium alloy micro-arc oxide film layer is met.
Owner:725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
Method and device for implementing timing response to short message in receiving terminal
ActiveCN101277463AInstantly realizeAvoid blockingRadio/inductive link selection arrangementsSystem timeReal-time computing
The present invention provides a method of realizing short message timing response in the receiving terminal, transmitting terminal edits the short message content, input a response time, forming a timing response short message and transmitting; the receiving terminal receives the timing response short message and processes buffering, extracting the response time; when the system time is identical to the response time, the timing response short message is clewed to be seen by user. By the method of the invention, the user of transmitting terminal realizes the instant transmission while instant thought of the transmitting terminal without considering the communication condition of the receiving terminal, convenient for the transmitting terminal user, at the same time ensuring that the receiving terminal obtains the hint of the timing response short message in a most accurate response time.
Owner:LENOVO (BEIJING) CO LTD
Molding machine for EPS insulation board
The invention relates to a molding machine for an EPS insulation board and belongs to the technical field of EPS board molding. The molding machine comprises a bracket, a guide rod horizontally arranged in the bracket and a demolding mechanism capable of conducting sliding demolding with the help of the guide rod. The demolding mechanism is connected with a heating system and a cooling system. The demolding mechanism comprises two product molds symmetrically arranged and mold ejection mechanisms located at the two ends of the guide rod. The adjacent end faces of the two product molds are provided with a group of symmetrical mold cavities. The two product molds slide and are combined with the help of the guide rod to form a molding cavity of the EPS insulation board. The outer end of each product mold is provided with mold ejection holes corresponding to the mold cavities. Each mold ejection mechanism comprises a fixing plate and mold ejection rods, wherein the mold ejection rods are arranged on the end face of the fixing plate and in sliding fit with the corresponding mold ejection holes. The heating system is a steam heating system connected with the mold cavities in a communicating manner. The heating system comprises a steam inlet channel and a steam outlet channel. The two sides of each mold cavity are connected with the steam inlet channel and the steam outlet channel in a communicating manner. The cooling system is a water cooling system and a vacuumizing system which are connected with the mold cavities in a communicating manner.
Owner:HEBEI XUELONG MACHINERY MFG
Culture dish
PendingCN106479888AAvoid adverse situationsBioreactor/fermenter combinationsBiological substance pretreatmentsOperational stabilityZoology
The invention relates to a culture dish. The culture dish comprises a culture dish body. The culture dish body comprises a bottom wall and a lateral wall extending along the periphery of the bottom wall. The bottom wall and the lateral wall form an upper opened space, which is suitable for accommodating a culture. The culture dish also comprises a culture dish cover. The culture dish cover comprises a top wall and a lateral extending along the periphery of the top wall. The culture dish cover can cover the upper opened space from a position above the culture dish body. A first locking part is formed on the lateral wall of the culture dish cover. A second locking part is formed on the lateral wall of the culture dish body. When the first locking part and the second locking part are locked by each other, the culture dish cover is opened in a specific angle relative to the culture dish body. The provided culture dish has the advantages that the culture dish can be placed on a workbench during the process of long term operation in an open state, the operation stability is improved, the size of the opening of the culture dish cover is guaranteed, at the same time, the left hand of a user is freed, and the user can use his left hand and right hand to carry out pipetting or other operations.
Owner:THERMO FISHER SCI SHANGHAI INSTR CO LTD
A monitoring system and method for automatically retracting and unwinding cable for rov umbilical cable winch
ActiveCN107479601BRealize 3D simulation displayImprove intuitivenessWinding mechanismsSimultaneous control of multiple variablesThree dimensional simulationHydrophone
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
A sludge mvc evaporation drying system and method for drying sludge
ActiveCN103588375BImprove processing efficiencyReduce processing costsSludge treatment by de-watering/drying/thickeningSteam pressureWater treatment system
Owner:上海故陈技术开发中心
Seal structure for fuel cell
InactiveCN103250289AEasy to makeEasy to assembleFinal product manufactureCell sealing materialsFuel cellsEngineering
Provided is a fuel cell seal structure that can achieve simplification of component shapes, easier production and assembly, and cost reductions because groove processing in one of a pair of separators sandwiching a membrane electrode assembly and integral forming of gaskets are unnecessary. To achieve this purpose, a membrane electrode assembly provided with electrode layers on both sides of an electrolyte membrane and separators that sandwich the membrane electrode assembly are provided. The planar dimensions of the electrode layers are set identical to each other. The planar dimensions of the electrolyte membrane are set larger than the electrode layers. The planar dimensions of the separators are set even larger than the electrolyte membrane. Based on this basic constitution, a first gasket held by one separator and in intimate contact with the other separator and a second gasket held by the one separator and in intimate contact with the electrolyte membrane are provided. Also provided is a reinforcing member that is separate from the electrode layer and that is meant to reinforce the electrolyte membrane with which the second gasket is in intimate contact from the back surface of the electrolyte membrane.
Owner:NOK CORP
Dual Power Pneumatic Clutch
The invention discloses a double-power pneumatic clutch, belonging to a power control device in the electromechanical industry. Front and rear end covers are arranged on a box body, front and rear input / output shafts are arranged between the front and rear end covers, and the two front and rear input / output shafts are connected by double bearings; a pressure plate and a supporting plate are arranged between the front and rear input / output shafts from outside to inside respectively, heat dissipation fan blades are arranged on the pressure plate, a bearing is arranged at the protruding end of the pressure plate, the outer end of the bearing is fixedly matched with a push plate, and front and rear tyres are arranged between the push plate and the front end cover; an inner spline steel plate,a wearing plate and a baffle plate are arranged on the rear input / output shaft; and the outer ring of the baffle plate is connected and matched with the supporting plates on the front and rear input / output shafts by inner spline gear rings. The air passage on a transmission shaft is directly fixedly connected from the end covers, so that frequent air leakage faults caused by abrasion of a pneumatic tap are avoided, the maintenance frequency of equipment is reduced, the stability is improved, and double-power linked drive is realized.
Owner:宁德时代电机科技有限公司
Control device with several control assemblies and haptic feedback, and process for manufacturing the control device
ActiveCN108733207AAvoid adverse situationsEasy to useInput/output for user-computer interactionElectrical haptic/tactile feedbackTouch SensesControl engineering
The present disclosure relates to a control device with at least one touch-sensitive input surface that can be activated for haptic feedback with an electromagnetic actuator, where the actuator comprises an actuator coil and an armature that is activated by energizing the actuator coil. The control device is divided into at least two control assemblies at least one of which has a touch-sensitive input surface and an armature connected therewith. These at least two control assemblies are installed at a minimum spacing from each other on a common circuit board, which in turn is connected with acommon carrier element, whereby the armatures protrude through the circuit board with play. On each carrier element, an actuator coil at a spacing x from the armature of the respective control assembly is installed. The present disclosure also refers to a process for manufacturing the control device.
Owner:PREH GMBH
Manufacturing method for prefabricated concrete component with connecting steel bars
InactiveCN106869332AEasy to manufactureImprove product qualityBuilding constructionsReinforced concreteRebar
The invention relates to a manufacturing method for a prefabricated concrete component with connecting steel bars and belongs to the technical field of prefabricated reinforced concrete structural components. The connecting steel bars are hung on the side face of the prefabricated concrete component, one ends of the connecting steel bars are hung on steel bar frameworks of the prefabricated concrete component, and the other ends of the connecting steel bars are free ends. The manufacturing method comprises the following steps that (1) the steel bar frameworks of the prefabricated concrete component are bundled, and the connecting steel bars are hung on steel bar frameworks; (2) the connecting steel bars are coated with a concrete surface retarder; (3) a formwork of the prefabricated concrete component is installed, and the connecting steel bars are tightly attached in the formwork; (4) concrete is poured; (5) after the concrete is finally solidified or reaches the preset strength, the formwork is detached; and (6) the free ends of the connecting steel bars are dragged out, the connecting steel bars are rotated, and thus the prefabricated concrete component with the connecting steel bars are formed. According to the manufacturing method for the prefabricated concrete component with the connecting steel bars, the industrialization level of a building structure is improved.
Owner:初明进
Method for simultaneous detection of various volatile organic compounds in marking pen
InactiveCN108008025AAvoid introducingExtended maintenance cycleComponent separationRetention timeGas chromatography–mass spectrometry
The invention relates to the field of analysis and detection, and in particular, relates to a method for simultaneous detection of various volatile organic compounds in a marking pen. The method usesskimmed cotton for sampling, is easy and feasible to operate, avoids the disadvantage condition that a part of marking pen samples cannot directly obtain ink from ink bags; a matrix balance solution with high boiling point is added into a headspace bottle, large time difference remains between the balance solution and an analysis target, and the method cannot affect chromatographic analysis whileplaying a role in stabilizing gas and liquid balance; a sample introduction port temperature is set as 120 DEG C, the transmission line temperature is 110-120 DEG C, complete gas introduction can avoid interference substances from being introduced to a gas chromatography-mass spectrometry system, and prolonging of the maintenance period of a chromatographic column and a mass spectrometry end and the service life of consumables is facilitated, so the cost of detection work is reduced. The mass spectrometer can effectively separate and identify the volatile components in the samples well and therequirements of quantitative detection are met.
Owner:GUANGDONG DONGGUAN QUALITY SUPERVISION TESTING CENT
Accurate measurement method for escaping ammonia after SCR device in thermal power plant
InactiveCN108827823AAvoid measurement biasAccurate measurementMaterial analysisAir preheaterFlue gas
The aim of the invention is to provide an accurate measurement method for escaping ammonia after an SCR device in a thermal power plant, which is used for solving the technical problem of accurate measurement for escaping ammonia. The accurate measurement method for escaping ammonia after an SCR device in a thermal power plant includes the steps: selecting a rectangular flue cross section as a measurement plane between an SCR device outlet and an air preheater inlet, and equally dividing the flue cross section into m*n measuring points; measuring ammonia gas concentration of each point; and correcting flue gas velocity vij, and then performing arithmetic average calculation on the actual value of NH3tp at each sampling time in a sampling period, to obtain the actual escaped ammonia value NH3AV in the measurement period. The invention has the advantages of simple measurement method and more accurate measurement result.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1
Efficient high-quality injection molding machine
InactiveCN108127854AQuality assuranceImprove work efficiencyMechanical engineeringInjection molding machine
The invention discloses an efficient high-quality injection molding machine. The efficient high-quality injection molding machine comprises a base. An injection molding machine body and a drying barrel are arranged on the base. A feeding port capable of conducting preheating is formed in the injection molding machine body and connected with the drying barrel. A conical inner cavity is formed in the injection molding machine body. An outlet end is arranged at the tail end of the conical inner cavity. A conical screw is arranged in the conical inner cavity and is connected with a drive device. The efficient high-quality injection molding machine can control the injection molding raw material drying degree, a series of unfavorable situations caused by damp raw materials can be well avoided, and the quality of injection molding products is effectively guaranteed. In addition, during charging, raw material preheating can be conducted during feeding, the preheated raw materials then enter the injection molding machine, and the work efficiency of the injection molding machine can be effectively improved.
Owner:GUANGDONG DEXIN TECH INCUBATOR CO LTD
Construction method of floor material for floor heating and floor heating structure
InactiveCN1523299AEasy to fixReduce gapLighting and heating apparatusSpace heating and ventilation detailsWarm waterEngineering
To easily fix a flooring, to prevent the formation of an opening between the mutual floorings and to prevent a trouble, in which the flooring is not entered between the end sections of the floorings. A warm-water sheet 1 in which a warm-water pipe 3 is projected from a base-material sheet 2, is laid on a floor backing material S, and a required number of the long-sized floorings, which have groove sections 15 and 16, into which the warm-water pipe is inserted and which are opened downwards, and in which tongues 11 and grooves 12 are worked in at least the longitudinal direction, are placed and fixed onto the sheet 1. The floorings 10A with spiral grooves in which splines 17 are fixed onto the grooves are prepared as the start floorings, the floorings 10A are nailed and fixed in a row in conformity with the end section of the sheet 1 and the floorings 10B and 10D in second rows are placed on both tongue sides and groove sides of the start floorings while their grooves are engaged and nailed and fixed by utilizing the tongue sections. Likewise, the tongues of the previously fixed floorings and the grooves of the floorings in the next rows are engaged and placed and nailed and fixed by using the tongue sections. (C)2004,JPO&NCIPI.
Owner:EIDAI
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