69results about How to "Eliminate experimental error" patented technology

The invention discloses a tracking tester of indoor rotary tar hybrid material, which is characterized by the following: the rotary rack with rotary shaft is set on the floor of experimental table and in the environmental box; the top of rotary table pillar connects the experimental table panel; the speed adjustment motor contains electric rack, bearing support seat and heating pipe, which connects the rotary shaft through driving structure; the bottom of driving shaft is set on the bearing support seat; the rotary bearing is set between the rotary shaft and bearing support seat; the rotary bridge is set on the rotary shaft; the bearing sleeve and bearing are set between the rotary bridge and rotary shaft; rubber tyre column slide cylinder within at least one rubber tyre column is set on the rotary bridge; the weight block holder is set on the rubber tyre column to load the weight block and the rubber tyre is set on the bottom; the limitation column and at least two steel molds are set on the experimental table panel to assemble test piece of tar hybrid material with pad board among steel molds; the temperature controller is set on the exterior of environmental box. The invention shortens the test time and improves the efficiency, which can be used in the tracking-proof experiment of tar hybrid material pavement.

This invention relates to methods and apparatus for performing microanalytic and microsynthetic analyses and procedures. The invention provides a microsystem platform and a micromanipulation device for manipulating the platform that utilizes the centripetal force resulting from rotation of the platform to motivate fluid movement through microchannels. These assays may be performed for a variety of purposes, including but not limited to screening of drug candidate compounds, life sciences research, and clinical and molecular diagnostics. Methods specific for the apparatus of the invention for performing any of a wide variety of microanalytical or microsynthetic processes are provided.

The invention discloses a measurement method of a gas injection flow field. A differential interferometry system is formed by Wollaston prism optical elements; the center section of a spatial flow field of a test section is imaged, and differential interference fringe charts with carrier wave fringes are collected at any moment before air flow injection and during air flow injection, so that the fringe order distribution and the fluid optical refractive index gradient in a whole field are obtained, and the density gradient field, the density field, the temperature field and the temperature gradient field of a fluid also can be obtained synchronously. The analyzing and treating method of fringe charts, which is disclosed by the invention, can be used for basically eliminating experiment errors caused by the differential interferometry system, has a low shock-resistant requirement, is convenient to apply, and overcomes problems caused by flow field instability.

The invention discloses a degassing sampling device using a mechanical oscillation method. The degassing sampling device is characterized by comprising a blowing gas path, an injector, an oscillation mechanism for carrying out degassing treatment on an insulating oil sample in the injector, and a gas pumping and pushing assembly, and further comprising a quantitative loop and a six-way valve, a switching valve assembly which is connected between the injector and the gas pumping and pushing assembly in series, and a chromatographic analysis connecting gas path which is parallel to the blowing gas path and is connected with the switching valve assembly in series, a reversing valve which is connected between the injector and the switching valve assembly in series, a first solenoid valve and a second solenoid valve. When the degassing sampling device using the mechanical oscillation method disclosed by the invention is used for carrying out a test, complicated manual operation is replaced through automatic operation and test errors caused by a testing process participated by manual work are eliminated, so that the accuracy of a chromatographic analysis result of gas dissolved in insulating oil is further ensured.

The invention relates to the technical field of valproic acid blood drug level monitoring, and specifically discloses a valproic acid homogeneous-phase enzyme immunity rapid detection kit. With derivative synthesis, valproic acid is connected onto bovine serum albumin (BSA), such that an immunizing antigen is obtained. An obtained polyclonal antibody has valproic acid specificity. Experiment data shows that when the reagent is used for detecting valproic acid, no cross reaction occurs between the reagent and other commonly used medicines; an analysis sensitivity is better than 25ng/ml; within-run precision and within-run precision coefficient of variability (CV) are both smaller than 4.7%; and compared with a fluorescence polarization immunoassay (EPIA) method, an R2 value reaches 0.98. The kit can be used in various routine analysis instruments. Because of characteristics of simple operation, high speed, low cost, and high sensitivity, with the kit, automatic detection can easily be realized. The kit assists in guiding clinical customized medication. With the kit, toxic or side effect of medicines is reduced, and curative effect optimization is realized.

The invention discloses a wide-water-surface oil pool fire combustion simulation device under the effect of environmental wind. The wide-water-surface oil pool fire combustion simulation device comprises a horizontal wind system, a wide-water-surface oil pool fire simulation system and a liquid level stabilizing system arranged beside the wide-water-surface oil pool fire simulation system and forming a communication system with the wide-water-surface oil pool fire simulation system, wherein the horizontal wind system controls an axial flow fan through a digital frequency converter, for providing the environmental wind required by a simulation experiment; the wide-water-surface oil pool fire simulation system provides a combustion platform for simulating the wide-water-surface oil pool fire through the manner that a small-size oil pool is fixed inside a water pond; the liquid level stabilizing system is connected with the wide-water-surface oil pool fire simulation system through an L-shaped PC pipe to form a communicating device system, for controlling the liquid level of fuel oil to be constant during the experimental process. The wide-water-surface oil pool fire combustion simulation device has the beneficial effects that the wide-water-surface oil pool fire combustion boundary conditions with high similarity can be provided, and the liquid level stabilizing system with adjustable height is adopted, so that the influences of the wall heat transfer effect during the combustion process are eliminated, and the experiment reliability, accuracy and repeatability are improved.

The invention discloses a time resolution Faraday rotation technology-improved experiment device and method. The method comprises the following steps: a laser pulse sequentially passes through a reflecting mirror M1, a reflecting mirror M2 and a beam splitter and then is divided into two beams, one sequentially passes through a chopper, an optical delay line, a reflecting mirror M3, a reflecting mirror M4, a one quarter wave plate and a lens and then is focused on a sample, the other beam sequentially passes through a reflecting mirror M5, a reflecting mirror M6, a reflecting mirror M7 and a lens and is focused on the same point of the sample, and detection light penetrating through the sample sequentially passes through a reflecting mirror M8, a half wave plate and a wollaston prism and then is processed by a computer after respectively passing through a first detector and a first phase-locked amplifier as well as a second detector and a second phase-locked amplifier. The time resolution Faraday rotation technology-improved experiment device has the beneficial effects that experiment equipment and laboratory space can be saved, and the experiment cost can be lowered. In addition, acquired data can be free of noise due to instability of laser, and thus the signal-to-noise ratio can be greatly improved.

The invention discloses a device and method capable of simultaneously performing multi-rock-sample low-speed non-Darcy flow tests and measurement. The device comprises a liquid storage tank, a constant-temperature control mechanism, a plurality of core measuring mechanisms, a confining pressure applying mechanism and a data collecting mechanism and is characterized in that the liquid storage tankis used for providing working liquid, the constant-temperature control mechanism is used for providing constant temperature required by the tests, the core measuring mechanisms are used for measuringthe low-speed non-Darcy flow conditions of various core samples, the confining pressure applying mechanism is used for providing confining pressure required by the tests, and the data collecting mechanism is used for collecting data. The device is simple in structure and capable of researching and carrying out the low-speed non-Darcy flow tests of multiple rock samples and researching a low-speednon-Darcy effect. The method based on the device is convenient to operate and high in measuring accuracy and precision.

The invention relates to a fabric wrinkle recoverability testing device and application thereof. The device comprises a device tank; the device tank is sequentially provided with a console, a camera and a fabric clamping device from front to back; the console controls running of the camera and the fabric clamping device and comprises control buttons and a display screen; the fabric clamping devicecomprises a sample table, a left cylinder, a right cylinder, a left pressure block, a right pressure block and a thin sheet; the thin sheet is arranged at the middle part and is parallel to the leftside surface; the upper end of the thin sheet is flush with the upper plane, and the lower end is connected with a lifter; the lifter controls the thin sheet to penetrate through the upper plane to perform up-and-down vertical movement; the left cylinder and the right cylinder are symmetrically arranged on the left side and the right side of the thin sheet; the left pressure block and the right pressure block are fixedly arranged on the inner sides of the left cylinder and the right cylinder symmetrically and are parallel to the thin sheet; the left cylinder and the right cylinder control theleft pressure block and the right pressure block to perform left-and-right parallel movement respectively; and the camera is arranged at the middle part of the device tank and is perpendicular to thethin sheet, and a lens of the camera faces the thin sheet. The device has the advantages of high testing stability and high efficiency.

The invention discloses a hyperspectral quality detection method for fruits based on photon transport simulation of a double-layer plate model for the fruits. The method comprises the following steps of establishing a double-layer plate model for fruits; carrying out photon transport simulation to obtain a luminance distribution diagram on the basis of a monte carlo method; inputting the luminance distribution diagram into a preset convolutional neural network for carrying out convolution and deconvolution; analyzing convolution and deconvolution results to obtain a source exploration distance; and carrying out quality detection on the fruits by using the source exploration distance. The double-layer plate model can be used for replacing a curved surface model, so that the complexity of the curved surface model is reduced, and meanwhile, the accuracy is ensured. Compared with the curved surface model for an apple, the simplified double-layer plate model has the advantages that the simulation time can be shortened, and meanwhile, the method has better universality (applicable to stone fruits, such as pears, with thick flesh).

The invention belongs to a fish breeding technology, in particular to a carp family selective breeding method utilizing a net cage. At present, the family selection method is used intensively for the selective breeding of carps, and the traditional method carries out growth performance comparison and selection on multiple families, thus occupying a great quantity of ponds and actually being difficult to practice; and the method of injecting an electronic chip injection family marking mixed cultivation and family selection method has high cost and high requirements on technical personnel and is difficult to popularize. The invention adopts an family selection method utilizing an enclosed net cage to carry out feeding and growth performance comparison on multiple families, eliminates experimental errors caused by pond separated cultivation, saves a great quantity of the water surfaces of ponds, does not need a chip for marking, saves cost, is suitable for common breeding farms and facilitates carrying out selective breeding of multiple families.

The invention provides a testing device and method for a true cohesive force of clay. The testing device comprises a water tank, wherein a clay sample to be tested is arranged in the water tank; a porous plate is placed on the upper end surface of the clay sample; and vertical displacements of the porous plate are measured through a dial indicator. The measuring method comprises the following steps: preparing the sample according to regulations for highway geotechnical tests; carrying out placement and submerging saturation on the sample; applying overlaying loads until the sample is damaged,obtaining the maximum main stress sigma<1> on the sample through measurement, and measuring an inclination angle theta of a shearing surface when the sample is damaged; and determining coordinates ofa Mohr's circle according to the Mohr-Coulomb theory, drawing the Mohr's circle, and drawing a tangent line B passing through an intersection point a of a straight line, which passes through an original point and of which the inclination angle is theta, and the Mohr's circle, wherein an intercept of the tangent line B on the Y axis is the true cohesive force of the clay sample. The device and method provided by the invention has the advantages of high simplicity, high convenience in operation and high reasonability in structure; and the true cohesive force of the clay in a status without a confining pressure can be obtained, so that the long-existing problem in the field that the true cohesive force of the clay cannot be accurately obtained for slope stability calculation is solved.

The invention relates to the field of engine performance measurement, in particular to an engine bench test method. According to an engine-bench-test air-feeding-and-discharging and air-leakage detection method, an air leakage factor is 1 in the standard state of completely free of air leakage; an air leakage factor is the ratio of the speculated fuel consumption amount and the real-time collected actual fuel consumption amount, the speculated fuel consumption amount is calculated by the total substance quantity entering an engine in theory in cooperation with C balance after the discharged-air C content is detected by a measuring instrument, and the air leakage phenomenon is judged according to the air leakage factor. According to the engine-bench-test air-feeding-and-discharging and air-leakage detection method, the theoretical value of the fuel consumption amount calculated by carbon balance through the total substance quantity entering the engine in theory and the C content in discharged air, then the theoretical value is compared with the actual measured value, the air leakage phenomenon suddenly appearing on the air feeding side or the air discharging side in the test process can be monitored in real time through the deviation degree and the deviation direction, test errors caused by air leakage are eliminated, the test cycle is shortened, the test accurate rate is increased, and the research-and-development cost is reduced.

The invention provides an artificial rock core small batch production device, comprising a core cabin, a core cabin holder (7), a top pressing plate (8), a bottom cushion plate (9) and a pressing head(6). The device is characterized in that: the core cabin is composed of a top plate (1), a bottom plate (4) and a sleeve (2); the core cabin is arranged in the core cabin holder (7), which is provided with a plurality of holes for arranging the core cabin, a bottom base plate (9) is arranged on the lower portion of the core cabin holder (7), the top plate (1) is provided with the pressure head (6), and the pressure head (6) is connected with a top pressing plate (8). According to the artificial core small batch production device, structure is simple, and production is easy, practicability andefficiency is high, sizes and pore infiltration performance of the core samples prepared in the batch can be guaranteed to be the same, experimental errors caused by differences between samples in anindoor evaluation experiment can be eliminated, a powerful technical support is provided for drilling and mining technologies and technological research in unconventional oil and gas resource exploration.

The invention provides an experimental device used for simulating the water transporting process in soil. The experimental device comprises an experimental container, an operating table and a water control device, wherein openings are formed in the top end and the bottom end of the experimental container respectively, a filter head is installed at the bottom end of the experimental container, a lifting device is arranged on the operating table, the experimental container is detachably installed on the lifting device, the lifting device is suitable for moving along the operating table in a reciprocating mode in the vertical direction, and the water control device is arranged at the top end of the experimental container and can control the water volume and water to seep into the soil uniformly. By adjusting the height of the water in a water tank, different irrigation and rainfall conditions can be simulated; soil water transporting parameters are measured accurately; in addition, soil nutrition transporting parameters can be measured; by changing the water inlet direction, transporting parameters of underground water rising can be simulated; as the soil water and nutrition transporting parameters are detected at the same time, the soil water and fertilizer coupling mechanism is analyzed easily, and the experimental device has great theoretical guidance significance in guiding the irrigation water volume and the water-saving technology.

The invention provides a gas hydrate generation/decomposition system and a gas hydrate generation/decomposition method for in-situ Raman analysis, which can realize kinetic experiments such as generation/decomposition of a gas hydrate, and perform in-situ Raman characterization. The gas hydrate generation/decomposition system comprises a Raman spectrometer, and a reaction kettle system, a temperature control system, a sample pre-cooling system, a pressure-controlled gas supply system, a vacuum system, a rapid exhaust system and a data acquisition and processing system which are connected by means of connecting pipelines. The gas hydrate generation/decomposition system can ensure that the hydrate is subjected to in-situ Raman characterization in a reaction kettle, and solves the problems ofexperimental errors and the like caused by sampling difficulty/sample transfer in non-in-situ Raman characterization.

The invention discloses a clamp for testing the shear performance of a composite material. The clamp can be used for effectively loading a V-shaped slotted sample. An upper grooved cavity and a lower grooved cavity are used for placing the first end and the second end of the V-shaped grooved sample and respectively comprise an upper groove, a lower groove, an upper connecting hole and a lower connecting hole, the first side and the fifth side, adjacent to the shearing surface of the sample, of the upper groove and the lower groove in the first direction are open sides, and the upper connecting hole and the lower connecting hole penetrate through the upper grooved cavity from the second side opposite to the first side and the fifth side in the first direction; the upper and lower wedge blocks are used for being plugged between the first and second ends and the upper and lower surfaces of the upper and lower grooves, so that the first and second ends in the upper and lower grooves are wedged tightly; the upper connecting piece and the lower connecting piece are connected with the upper wedge block and the lower wedge block, penetrate out of the upper connecting hole and the lower connecting hole and are used for applying pulling force to the upper wedge block and the lower wedge block so that the upper wedge block and the lower wedge block can move in the wedging direction.

The invention provides a method for evaluating penetrating quality of a fog sealing binder. With the adoption of a funnel-type sand pouring method, uniform apparent density of standard sand in a hollow glass tube is ensured, a uniform penetrating interface of the subsequent fog sealing binder is ensured, the 'air resistance' phenomenon in the penetrating test process is eliminated by utilizing a screen, and the result accuracy of the penetration test is improved. The invention provides a complete test method. According to a penetration speed formula provided by the invention, the penetrating quality of the fog sealing binder can be quantitatively analyzed. Furthermore, the invention provides specifications of a hollow glass tube in a penetration unit, a glass funnel and a screen as well astest conditions. The test error can be eliminated at the utmost, and the result accuracy of the penetration test is improved.

The invention provides a rolling mill bearing fault diagnosis and service life evaluation simulation test bench, and the test bench comprises a motor, a main shaft, a coupler, a hydraulic loading system, a supporting system, a rolling mill bearing, a rolling mill bearing seat assembly, an acceleration sensor and a bottom plate; the rolling mill bearing and the rolling mill bearing seat assembly are mounted in the middle of the main shaft; supporting springs and arc-shaped supporting plates are arranged at the bottom of the rolling mill bearing seat assembly and can isolate vibration of rolling mill bearings, the two ends of the main shaft are supported by the supporting system, the hydraulic loading system applies radial loads to the rolling mill bearings, and the motor is connected with the main shaft through a coupler. The test bench can simulate the load condition applied to the rolling mill bearing when the rolling mill works, and can perform fault tests of different combinations or service life tests of the same working condition on the two rolling mill bearings at the same time. The reliability of the test is ensured, the influence of other components except the rolling mill bearing on the test is reduced, and the stability of the test is improved.

The invention discloses a cooling device for a high-temperature wind tunnel model. The model is fixed on a middle support of the high-temperature wind tunnel in a rod type balance and tail supporting mode, and the cooling device comprises a balance supporting rod protection assembly and a cold spraying assembly installed in the model and used for cooling the model. The balance supporting rod protection assembly comprises a balance heat shield and a support rod heat shield. The cold spraying assembly comprises an air cooling spray head, an air cooling quick-insertion straight pipe, an air cooling air inlet pipe and an air cooling pipe connector. High-pressure cooling gas of a high-pressure gas source flows in from an air-cooling gas inlet pipe in an inner cavity of the balance supporting rod, flows out of the balance supporting rod, flows through an air-cooling pipe connector and an air-cooling fast-inserting straight pipe which are installed on the outer surface of a balance heat shield, is sprayed out from an air-cooling spray head, and cools the model and the rod type balance in an inner cavity of the model. The cooling device is simple in structure, flexible in use mode and convenient for model disassembly, the temperature of a model body after a test can be quickly reduced, a test error source caused by initial wall temperature difference is eliminated, and the quality of test data is ensured.

The invention aims to provide a detection method for a liquid bacteria intercepting ability of an infusion blood transfusion apparatus. Firstly equipment is installed, and then the following steps arecarried out that an air filtering device/ membrane is wet, and wetting liquid residues are verified; a challenging bacterial liquid is prepared, a bacterial liquid state is confirmed, and the volumeof the challenging bacterial liquid is calculated; test pressure values under different challenges are determined; different challenge tests are performed, and results are determined; the method is novel and unique, the operation and use are easy, the method is used for testing the liquid bacteria intercepting ability of the 0.22-micrometer air filtering device/ membrane, the use safety of the infusion blood transfusion apparatus is ensured, and the economic and social benefits are significant.