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32results about How to "Scientific test results" patented technology

Engine machine oil viscosity on-line detection device and detection method

The invention discloses an engine machine oil viscosity on-line detection device and detection method. The provided device is connected with a machine oil sampling device composed of a solenoid valve, a liquid level sensor and a second temperature sensor, a constant flow pump, a pressure sensor, a flow sensor, a pressure control valve and a cooling device through oil supply pipes in order. The device comprises a constant temperature oil bath box embedded at the outer side of the sampling device and composed of a heater and a first temperature sensor, a data processing module connected with each sensor and a one-chip microcomputer connected with the solenoid valve, the heater, the constant flow pump and the pressure control valve. Through construction of machine oil viscosity detection standard temperature and simulation of practical working pressure of engine machine oil, combined with the data processing module and the one-chip microcomputer, on-line detection of the machine oil viscosity is carried out. The machine oil viscosity can be monitored in real time, detection results are scientific and accurate, and in-time and effective basis is provided for oil change.
Owner:JILIN UNIV

Kit for detecting pig pseudorabies and application thereof

The invention discloses a kit for detecting pig pseudorabies. The kit comprises an assay plate coated with pig pseudorabies virus gE antigen, a rabbit anti-pig IgG antibody marked by HRP (horseradish peroxidase), fast coating buffer, fast blocking buffer, sample diluents, TMB substrate, stop buffer, 20 times wash solution, negative control, and a positive control. Through adopting pig pseudorabies virus specificity gE antigen with high purity and high activity expressed through gene engineering to coat the assay plate, and through adopting HRP-conjugate of rabbit anti-pig IgG monoclonal antibody containing HRP, the kit for detecting pig pseudorabies, provided by the invention, has the advantages of strong specificity, high sensibility, less susceptibility to misjudge of false positive or false negative and the like; moreover, the kit is simple in structure, low in detection cost, convenient and fast in operation and strong in timeliness, has a wide market prospect, and can create larger social benefits.
Owner:HENAN FENGHUA BREEDING SHARE

Method and system for implementing connectivity detection

The utility model provides a connectivity detecting method. Based on the user's configured detection mode and the customized task information under the configured detection mode, the connectivity detection is carried out for the equipment to be examined; the calculation is conducted for the response message's parameters to obtain and store the statistic information. The utility model also provides a connectivity detecting system. The method and the system can objectively reflect the connectivity among the network equipment.
Owner:ZTE CORP

Organic light emitting diode and packaging effect detection method

The invention provides an organic light emitting diode and a packaging effect detection method. The organic light emitting diode comprises a base plate, a cover plate and a seal layer arranged between the base plate and the cover plate, wherein a circle of seal layer is arranged along an edge part of an upper surface of the base plate in a closing way; the base plate, the cover plate and the seal layer jointly form a sealed cavity; a light emitting chip is arranged in the cavity; a test strip is arranged in the cavity; and test electrodes are respectively connected to two ends of the test strip, and penetrate through the seal layer so as to extend out of the cavity. Through measuring the variation of electrical resistivity of the test strip in an inert gas environment and exposed in air, the condition that whether oxygen and water enter into a packaging structure or not can be judged. The structure of the organic light emitting diode and the detection method are combined, so that whether a product is qualified or not can be quickly and accurately detected, the accuracy rate is high, the erroneous judgment is avoided, and the rate of finished products is improved.
Owner:SICHUAN CCO DISPLAY TECH

Same-pond procambarus clarkii family culture method by use of enclosures

The invention discloses a same-pond procambarus clarkii family culture method by use of enclosures. The culture method is characterized by comprising the steps of 1) fabricating and mounting the pond enclosures, 2) procambarus clarkii family shrimp breeding, 3) culture management and 4) harvesting. According to the same-pond procambarus clarkii family culture method by use of the enclosures, the enclosures of the same specification are built for every procambarus clarkii families by use of HDPE boards in the pond, small holes are evenly formed in the enclosures, and water regularly is fed into the whole pond or completely drained so that the water quality environment in every enclosure is kept consistent as much as possible, and meanwhile, the mutual effects of different families are also avoided. The same-pond procambarus clarkii family culture method by use of the enclosures is adopted for developing same-pond culture tests, the ecological environment of the natural water area is simulated, the difference of the test conditions and the natural environment can be greatly reduced, the test results are more scientific and more obvious in pertinence, and finally, the purpose of same-pond culture and control of different families is achieved and reliable basis is provided for subsequent selective breeding of good varieties.
Owner:ZHEJIANG INST OF FRESH WATER FISHERIES

Test method for simulating active damage of shield tunnel excavation face

The invention discloses a test method for simulating the active damage of a shield tunnel excavation face. The method includes the steps that after filling in a model box is completed, standing is performed for a period of time, and initial readings on micro water-soil pressure monitoring elements on the cutterhead of a model shield machine, a displacement meter monitoring element in soil in frontof the excavation face and a displacement meter monitoring element on the earth surface are recorded; the model shield machine is made close to the hole of the model box; a jacking motor, a cutterhead motor and a spiral excavator motor of the shield machine are turned on at the same time, and the model shield machine starts tunneling; when the model shield machine excavates to a preset position,the jacking motor, the cutterhead motor and the spiral excavator motor are turned off at the same time; a shield excavation face active damage test is started; the water-soil pressure value on the cutterhead, the displacement value of the soil in front of the excavation face and the settling volume of surface soil are recorded, and after standing for a period of time, numerical values of the monitoring elements are measured. In the method, it is taken into account that the early excavation process of the model shield is consistent with the truth of the influence of the early tunneling processon the true active damage of the shield excavation face.
Owner:BEIJING UNIV OF TECH

Method for testing and predicating wearing of excavating device cutter in soft soil environment

The invention a method for testing and predicating the wearing of an excavating device cutter in a soft soil environment. The method simulates the actual working condition of engineering through a test technique, and predicts the wearing of the cutter in the actual engineering. The method can be used to scientifically and effectively test the wearing condition of the excavating device cutter in the soft soil environment, the onsite inspection and maintenance of the cutter are guided through the test of the wearing of the cutter, and the actual wearing amount of the cutter is calculated to determine the replacing cycle of the cutter, so inspection and maintenance personnel has no need to frequently enter a pressure chamber in the engineering and detect, the workload is reduced, and the excavating engineering process is improved; and the method fully considers the characteristics of the influences of the soft soil on the wearing of the cutter, and the optimal test running time is determined through preliminary test to make the test result scientific and close to the actual working condition, so the error of the test is reduced to well guide the engineering practice.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD +1

Detection method of interferon biological activity

The invention relates to a detection method of interferon biological activity. According to the detection method, pig kidney cells (IBRS-2) are taken as measuring cells, vesicular stomatitis virus (VSV) is taken as the challenge virus to detect interferon activity. The detection method can be applied to pig IFN-gamma titer measuring to solve problems in the prior art in pig IFN-gamma titer measuring that observation is difficult to realize, subjective error is large, sensitivity is poor, and activity detection is impossible to realize because of species specificity. The detection method can also be used for measuring of titer of other pig interferons such as IFN-alpha, and also can be used for measuring non-II-type human interferons such as human IFN-alpha.
Owner:GENSUN INST OF BIOMEDICINE

Detection tool and method for detecting geometric accuracy of spindle axis of precision numerical control machine tool

The invention discloses a detection tool for detecting the geometric accuracy of the spindle axis of a precision numerical control machine tool. The detection tool comprises a transition connector, a supporting plate, a locking nut and a dial indicator. The surface of the supporting plate is provided with two kidney-shaped grooves. One end of the supporting plate is connected with the dial indicator. One end of the transition connector penetrates through the kidney-shaped grooves in the supporting plate and is in threaded connection with the locking nut, and therefore fixed connection between the transition connector and the supporting plate is achieved. According to a detection method of the detection tool for detecting the geometric accuracy of the spindle axis of the precision numerical control machine tool, the dial indicator is not directly mounted on the end face of a spindle, an indicator swing radius detection record is adjusted through the detection tool. The detection tool is simple in structure and convenient to use, can be designed for different equipment in a targeted mode under the condition that all requirements are met, and is portable, easy to mount and high in accuracy of obtained data when being used for detecting the geometric accuracy of the spindle axis of the precision numerical control machine tool; and all possibilities that the dial indicator slips in the detection process are avoided through fixed clamping, and the indicator swing radius can be automatically adjusted.
Owner:HUDONG HEAVY MACHINERY

Separation method and determination method for volatile acrolein and acetone in automobile interior trim part

The invention discloses a separation method and a determination method for volatile acrolein and acetone in automobile interior trim parts, wherein the separation method comprises the following steps:a mixed aldehyde ketone-DNPH standard solution with a concentration of 1mg / L was allocated and injected into the chromatographic column of the liquid chromatograph; according to the peak time and thepeak shape of the chromatogram waveform diagram and the separation effect of the acrolein and acetone, and a target flow rate is selected under the same sample inlet volume, the detector wavelength,the column temperature and the mobile phase ratio; a target column temperature is selected under the same sample inlet volume, the detector wavelength, flow velocity and the flow matching ratio; a target flow phase ratio is selected under the same sample inlet volume, detector wavelength, the flow rate and the column temperature condition; the acrolein and the acetone are separated according to the target flow rate, the target column temperature and the target flow phase ratio. By means of the invention, the separation effect of acetone and acrolein by liquid chromatography is tested, and theoptimal separation detection conditions are determined according to factors such as peak time, peak shape and separation degree of substances under different conditions.
Owner:苏州中汽检测技术服务有限公司

Ultrasonic bird repeller detector and detection method

The invention discloses an ultrasonic bird repeller detector and a detection method and relates to the technical field of instrument detection. The detection method comprises the steps as follows: acquiring an ultrasonic signal sent by an ultrasonic bird repeller; acquiring the amplified ultrasonic signal as well as the frequency and amplitude of the amplified ultrasonic signal; acquiring the distance between the ultrasonic bird repeller detector and the ultrasonic bird repeller; acquiring an ultrasonic sound intensity measurement signal according to the amplified ultrasonic signal and the maximum ultrasonic sound intensity detected by the ultrasonic bird repeller detector; acquiring an ultrasonic sound intensity actual signal according to the ultrasonic sound intensity measurement signal; displaying the frequency and amplitude of the ultrasonic signal, the distance and the ultrasonic sound intensity actual signal. The detector can judge whether the ultrasonic bird repeller works or not remotely and know the ultrasonic frequency, the distance between the detector and a target as well as the ultrasonic radiation intensity, brings great convenience to a user to master the work condition of the ultrasonic bird repeller and is suitable for field work.
Owner:LIAONING JIDIAN POLYTECHNIC

Cement particle size detector

The present invention provides a cement particle size detector, which comprises a body and is characterized in that the outer wall of the body is provided with a control panel, the top portion of the body is provided with a sample inlet, the bottom end of the sample inlet is communicated with the body, a vibration sieve is arranged inside the device and is fixedly connected with the inner wall of the body, the vibration sieve is provided with a first gravity sensor, the bottom portion of the body is provided with a second gravity sensor, the first gravity sensor and the second gravity sensor are respectively communicated with the control panel, the outer wall of the body is provided with a first sampling door and a second sampling door, the bottom end of the first sampling door is flush with the vibration sieve, and the bottom end of the second sampling door is flush with the bottom end of the inner wall of the device. The cement particle size detector has beneficial effects of low cost and scientific test result.
Owner:TIANJIN YONGSHENG XINHE PILE

Verticillium dahliae pathogenicity test and evaluation method

InactiveCN106591417AAvoid the disadvantages of time-consuming and labor-intensive and difficult-to-master technologyEasy to masterMicrobiological testing/measurementMicroorganism based processesPathogenicityPlant disease
The invention relates to the field of cotton disease control, in particular to a verticillium dahliae pathogenicity test and evaluation method. The method comprises the steps of inoculating to-be-tested verticillium dahliae and a control strain with differential hosts: performing disease investigation; and obtaining a corrected disease index based on an investigation result when a disease index of the control strain in correcting the differential hosts reaches 45.0-55.0. The method is simple and easy to master, is short in identification cycle, and is scientific, accurate and standard.
Owner:INST OF COTTON RES CHINESE ACAD OF AGRI SCI

Detection device for rail-type falling protector

The invention relates to a detection device for a rail-type falling protector, which mainly comprises a cross beam, a fixed support, a dynamic mechanics sensor, a threaded rotary locking connector, four different types of rails and an O-shaped ring lower suspension point, wherein the fixed support is welded at the cross beam which mainly plays a role of load bearing, the lower part of the fixed support is connected to the rotary connector with the rails through the mechanics sensor and passes through the rotary connector, and the lower part of the rotary connector is connected to the O-shaped ring lower suspension point which acts as a force applying point when the dynamic mechanics sensor is detected or acts as other impact test suspension points. The rotary connector is a threaded rotary locking connector formed by at least one long square steel pipe, the four different types of rails are fixed on four surfaces of the square steel pipe respectively by using bolts, and the rails are aligned to a releaser by the threaded rotary locking connector and then locked on the threaded rotary locking connector. The detection device provided by the invention has the characteristics of reasonable and compact structure, easy, convenient and standard to use and operate, and the like.
Owner:STATE GRID CORP OF CHINA +2

Full-automatic immunoblotting instrument and detection method

The invention relates to a full-automatic immunoblotting instrument and a detection method. The full-automatic immunoblotting instrument comprises a rack, wherein kits, a reagent filling device, reaction vessels with membrane strips, sample boxes, and a sample filling mechanism used for adding sample liquid in the sample box into the reaction vessel are arranged on the rack. A large disc and a small disc which are coaxial are rotationally arranged on the rack; the plurality of kits are arranged on the small disc along the circumferential direction of the small disc; the reagent filling deviceis positioned at the outer edge of the small disc; a plurality of reaction vessels and a plurality of sample boxes are arranged in the circumferential direction of the large disc; the sample boxes arearranged on the edge of the large disc; the reaction vessels are installed between the center of the large disc and the sample boxes, and the sample filling mechanism is arranged on a short-stroke rail and moves in a radial direction of the large disc. The space structure of the large disc and the small disc is reasonably and efficiently utilized, the whole instrument tends to be miniaturized, efficient and automatic, a disposable suction nozzle is clamped, and cross infection is avoided.
Owner:欧亚先锋生物技术投资(北京)有限责任公司

Compression test method for honeycomb SCR catalyst

InactiveCN109187191AHighlight elasticityHighlight brittlenessMaterial strength using tensile/compressive forcesPressure curveHoneycomb
The invention relates to a compression test method for a honeycomb SCR catalyst. According to the method, a pressure test machine is used for extruding a catalyst test block at a constant speed; a pressure sensor on the pressure test machine measures a pressure value of the catalyst test block; a pressure curve is drawn by taking the time as horizontal coordinates and the pressure value as vertical coordinates; the curve is composed of a continuous elastic deformation curve S1 and a brittle deformation curve S2; pressure application is stopped after a peak value appears on the brittle deformation curve S2 in the pressure curve; and then a tangent line L1 and a tangent line L2 of the curves S1 and S2 are drawn, the tangent line L1 and the tangent line L2 are intersected, an intersection point is a threshold point of the catalyst test block, and the threshold point of the catalyst test block is defined as a compressive strength value of the catalyst.
Owner:GUODIAN ENVIRONMENTAL PROTECTION RES INST CO LTD

A kit for detecting porcine pseudorabies antibody

The invention discloses a kit for detecting pig pseudorabies. The kit comprises an assay plate coated with pig pseudorabies virus gE antigen, a rabbit anti-pig IgG antibody marked by HRP (horseradish peroxidase), fast coating buffer, fast blocking buffer, sample diluents, TMB substrate, stop buffer, 20 times wash solution, negative control, and a positive control. Through adopting pig pseudorabies virus specificity gE antigen with high purity and high activity expressed through gene engineering to coat the assay plate, and through adopting HRP-conjugate of rabbit anti-pig IgG monoclonal antibody containing HRP, the kit for detecting pig pseudorabies, provided by the invention, has the advantages of strong specificity, high sensibility, less susceptibility to misjudge of false positive or false negative and the like; moreover, the kit is simple in structure, low in detection cost, convenient and fast in operation and strong in timeliness, has a wide market prospect, and can create larger social benefits.
Owner:HENAN FENGHUA BREEDING SHARE

Xuesaitong soft capsules and preparation and detecting methods thereof

The invention discloses Xuesaitong soft capsules, a preparation method of the Xuesaitong soft capsules, and a detecting method of the Xuesaitong soft capsules and belongs to the technical field of pharmaceutical preparation. Each soft capsule contains 330mg of content, wherein the content comprises 60mg of panax notoginseng saponins and the balance of pharmaceutic adjuvant. The panax notoginseng saponins comprise 3.0-5.0mg of notoginsenoside R1, 15.0-20.0mg of ginsenoside Rg1, 15.0-20.0mg of ginsenoside Rb1, 1.5-4.5mg of ginsenoside Re and 3.0-5.0mg of ginsenoside Rd, and the total amount of the saponins is 45-50mg. The Xuesaitong soft capsules and the preparation and detecting methods of the Xuesaitong soft capsules have the advantage that the Xuesaitong soft capsules are more stable and controllable in detecting result during detecting.
Owner:KUNMING SHENGHUO PHARMA GRP

Method for detecting comprehensive toxicity of water sample

PendingCN113917097AReduce Toxicity False AlarmsReliable test resultsTesting waterToxicityEnvironmental chemistry
The invention provides a method for detecting the comprehensive toxicity of a water sample, which comprises the following steps: (A1) detecting luminous bacteria, and judging whether the luminous bacteria meet requirements or not; if the requirements are met, entering the step (A2); if the requirements are not met, changing the luminous bacteria until the requirements are met; (A2) mixing the luminous bacteria and the water sample, and detecting parameters of the mixed solution; (A3) judging whether the parameter exceeds a threshold value or not; if the threshold value is exceeded, entering the step (A5); if the threshold value is not exceeded, qualitatively obtaining the comprehensive toxicity of the water sample; (A4) detecting the water sample and / or the luminous bacteria in the step (A2) again to obtain a detection result; (A5) judging whether the detection result accords with the first detection result or not; if not, determining that the comprehensive toxicity obtained in the step (A3) is wrong; and if so, determining that the comprehensive toxicity obtained in the step (A3) is accurate. The method has the advantages of accurate detection and the like.
Owner:FOCUSED PHOTONICS

A test method for simulating passive failure of excavation face of shallow buried shield tunnel

The invention discloses a test method for simulating passive damage to a shallow-buried shield tunnel excavation surface. The test method comprises the following steps that after filling soil in a model box is completed, the initial readings of a miniature water and soil pressure monitoring element on a cutter head of a model shield machine, a displacement meter in a soil body in front of the excavation surface, and a displacement meter monitoring element on the ground surface are recorded; the model shield machine is placed close to an opening of the model box, and excavation is prepared; when the model shield machine excavates to a predetermined position, a jacking motor, a cutter head motor and an auger motor are closed at the same time; a test of passive damage to the excavation surface is started; the cutter head motor is started, the jacking motor is opened at the same time, the auger motor is not switched on, and the value of each monitoring element is recorded in real time, thevalue includes a water and soil pressure value on the cutter head, a displacement value in the soil body in front of the excavation surface, and displacement amount of the surface soil body; and thenthe cutter head motor and the jacking motor are closed to measure the values of the monitoring elements. The test method is closer to the process of passive damage to the excavation surface of a realshield machine, and the model test results are more scientific and accurate.
Owner:BEIJING UNIV OF TECH

A test method for simulating active failure of shield tunnel excavation face

The invention discloses a test method for simulating the active damage of a shield tunnel excavation face. The method includes the steps that after filling in a model box is completed, standing is performed for a period of time, and initial readings on micro water-soil pressure monitoring elements on the cutterhead of a model shield machine, a displacement meter monitoring element in soil in frontof the excavation face and a displacement meter monitoring element on the earth surface are recorded; the model shield machine is made close to the hole of the model box; a jacking motor, a cutterhead motor and a spiral excavator motor of the shield machine are turned on at the same time, and the model shield machine starts tunneling; when the model shield machine excavates to a preset position,the jacking motor, the cutterhead motor and the spiral excavator motor are turned off at the same time; a shield excavation face active damage test is started; the water-soil pressure value on the cutterhead, the displacement value of the soil in front of the excavation face and the settling volume of surface soil are recorded, and after standing for a period of time, numerical values of the monitoring elements are measured. In the method, it is taken into account that the early excavation process of the model shield is consistent with the truth of the influence of the early tunneling processon the true active damage of the shield excavation face.
Owner:BEIJING UNIV OF TECH

Ultrasonic bird repellent detection instrument and detection method

The invention discloses an ultrasonic bird repeller detector and a detection method and relates to the technical field of instrument detection. The detection method comprises the steps as follows: acquiring an ultrasonic signal sent by an ultrasonic bird repeller; acquiring the amplified ultrasonic signal as well as the frequency and amplitude of the amplified ultrasonic signal; acquiring the distance between the ultrasonic bird repeller detector and the ultrasonic bird repeller; acquiring an ultrasonic sound intensity measurement signal according to the amplified ultrasonic signal and the maximum ultrasonic sound intensity detected by the ultrasonic bird repeller detector; acquiring an ultrasonic sound intensity actual signal according to the ultrasonic sound intensity measurement signal; displaying the frequency and amplitude of the ultrasonic signal, the distance and the ultrasonic sound intensity actual signal. The detector can judge whether the ultrasonic bird repeller works or not remotely and know the ultrasonic frequency, the distance between the detector and a target as well as the ultrasonic radiation intensity, brings great convenience to a user to master the work condition of the ultrasonic bird repeller and is suitable for field work.
Owner:LIAONING JIDIAN POLYTECHNIC

A method of cultivating Procambarus clarkii families in the same pond using enclosures

The invention discloses a same-pond procambarus clarkii family culture method by use of enclosures. The culture method is characterized by comprising the steps of 1) fabricating and mounting the pond enclosures, 2) procambarus clarkii family shrimp breeding, 3) culture management and 4) harvesting. According to the same-pond procambarus clarkii family culture method by use of the enclosures, the enclosures of the same specification are built for every procambarus clarkii families by use of HDPE boards in the pond, small holes are evenly formed in the enclosures, and water regularly is fed into the whole pond or completely drained so that the water quality environment in every enclosure is kept consistent as much as possible, and meanwhile, the mutual effects of different families are also avoided. The same-pond procambarus clarkii family culture method by use of the enclosures is adopted for developing same-pond culture tests, the ecological environment of the natural water area is simulated, the difference of the test conditions and the natural environment can be greatly reduced, the test results are more scientific and more obvious in pertinence, and finally, the purpose of same-pond culture and control of different families is achieved and reliable basis is provided for subsequent selective breeding of good varieties.
Owner:ZHEJIANG INST OF FRESH WATER FISHERIES

On-line leakage detection device for tube type heat exchanger

The invention relates to an on-line leakage detection device for a tube type heat exchanger, belongs to the field of tube type heat exchanger detection equipment, mainly solves the problem of how to check whether a heat exchange tube is damaged and leaks or not when raw material gas and liquid exchange heat with a heat exchange tube in a shell for cooling, the device comprises a detection body and a hose, and a liquid inlet is set at the back of the detection body; a liquid storage chamber is arranged in the detection body, the liquid inlet is communicated with the liquid storage chamber, a pump is arranged in the liquid inlet, one end of the hose is connected with the liquid inlet, and the other end of the hose is provided with a connector. A PCB is arranged in the detection body, an amplification circuit, a filter circuit, an AD conversion circuit and a micro single-chip microcomputer are arranged on the PCB, two electrodes are arranged on the inner wall of the liquid storage chamber, and the two electrodes are connected with the amplification circuit through circuits. In the invention, the detection process is standard and reasonable, the detection result is scientific and effective, the device is small and portable, a charging mode is adopted, and the device is convenient to carry to the actual working scene of the heat exchanger.
Owner:安徽扬天金塑新能源装备有限公司

Method for prolonging irradiation-test interval time in total dose test

ActiveCN102445609BEasy to operateRadiation test results are accurateElectrical testingTest sampleMedicine
The invention relates to a method for prolonging irradiation-test interval time in a total dose test. The method comprises: storing a test sample with dry ice (minus 60 DEG C). The method can be used for increasing the irradiation-test interval time from 1 hour to 72 hours and increasing the interval of two irradiation time periods from 2 hours to 144 hours, can be used for improving the operability of the existing irradiation test method standards, and can be used for improving the accuracy of the irradiation test results to make the test results more scientific.
Owner:BEIJING SHENGTAOPING TEST ENG TECH RES INST
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