318results about How to "Experimental results are reliable" patented technology

The invention discloses an automatic device for evaluating the memory function of a primate experimental animal and a method for evaluating the memory function of the primate experimental animal. The device comprises an experimental operation cage (1), a touch display screen (15), a horizontal exhibition stand (12), an infrared ray sensing automatic award food distributor (16) and a main control computer (19). Through interactive operation of the touch display screen and the animal, direct interactive operation between experiment personnel and the animal is avoided, and the evaluation of the cognitive ability is more objective. Through the device, the brain function can be evaluated subjectively according to a judgment made by a tester. The device and the method are particularly suitable for evaluating the cognitive memory of primate animals, particularly old non-human primate experimental animals and disease model non-human primate experimental animals.

The invention discloses a system and method for detecting the performance of mobile electronic tags. The system comprises a testing device, radio-frequency identification electronic tags to be tested and testing equipment, wherein the radio-frequency identification electronic tags to be tested pass through a testing passage; the testing device consists of a mobile trolley and the testing passage; the radio-frequency identification electronic tags to be tested are stuck to objects; and the testing equipment comprises a computer, a read-write device and a read-write device antenna device. The objects with the electronic tags to be tested can pass through the testing passage through the mobile trolley, and a read-write device antenna is mounted in the testing passage; and the positions/states of the read-write device and the antenna and the speed of the mobile trolley are adjusted, and the read-write device reads the electronic tags on the objects through the antenna, so that the optimal electronic tag reading rate can be obtained through repeated testing. Through the system and the method, disclosed by the invention, the position/direction of the antenna and the moving speed of the objects are subjected to individualized customization on the premise that the electronic tags on fixed sticking positions of the objects are subjected to 100% reading, so that a reference is provided for the use of the electronic tags in manufacturing production lines and logistics.

The invention discloses a simulation experiment method for tunnel drivage blasting. The simulation experiment method includes the steps of: (1) manufacturing a simulation blasting experiment device, (2) utilizing the blasting experiment device to simulate tunnel cutting blasting, (3) utilizing millisecond initiation technology to perform blasting experiment, and (4) studying cutting holes, auxiliary holes, peripheral hole blasting rock breaking mechanisms, rock movement characteristics after the blasting and blasting effects. According to the simulation experiment method tunnel drivage blasting, a size design and a blasting parameter calculation design are performed through a law of similitude and a corresponding ratio of similitude and a blasting network is arranged, tunnel drivage blasting processes of various kinds of sections and processes of rock breaking and slag throwing of cutting drivage blasting are more completely and truly simulated, and a speed of blasting slag leaving cutting chamber is calculated according to law of motion of blasting slag. Accordingly, a more reliable experiment method and a more reliable experiment result are provided for a mechanism study of mine tunnel drivage blastings.

The invention discloses a shale gas well simulated reservoir fracture fracturing liquid flowback rate experimental measurement device and method. The shale gas well simulated reservoir fracture fracturing liquid flowback rate experimental measurement device comprises a clamp, a press machine, a thermostat, a constant-speed and constant-pressure pump, an intermediate container, a constant-speed andconstant-pressure pump outlet valve, a fluid inlet valve, a fluid outlet valve, a nitrogen cylinder outlet valve, a nitrogen cylinder and an outlet valve. The method mainly comprises the steps of 1)rock sample preparation, 2) shale physical property parameter testing, 3) testing parameter calculation, 4) fracturing liquid preparation and density testing, 5) testing parameter testing, and 6) shale flowback rate calculation. The shale gas well simulated reservoir fracture fracturing liquid flowback rate experimental measurement device takes into comprehensive consideration the influence of stratum temperature, stratum stress and fluid pressure on shale flowback rate and quantifies influence factors to reflect the shale flowback rate under real stratum conditions and accordingly to providea theoretical basis for shale flowback scheme optimization.

The invention relates to a testing device for simulating the equipment corrosion of a continuous distillation industrial device. The testing device comprises a continuous distillation system, a pressure control system and a corrosion sample system, wherein the top interface of a multi-mouth flask is connected with the bottom of a main reactor; the top interface of the main reactor is connected with the bottom of a main condenser; the top of the main condenser is connected with a non-condensable gas receiving tank, a cold trap, a gas buffering tank and an exhaust system through connecting pipes respectively, and is connected to a vacuum pump through the cold trap; and the corrosion sample system comprises a sample hanging device for placing samples into a steam phase and a liquid phase. A skillful reflow design is adopted in the invention, so that a condensed low-boiling-point liquid does not flow through the high-temperature main reactor, so that re-vaporization before reflowing to the bottom of the multi-mouth flask is avoided. Under the action of a reflow bypass, condensed low-boiling-point components and high-boiling-point components left at the bottom of the multi-mouth flask are fully mixed forcedly, and the distillation process is started once again, so that accurate simulation of continuous distillation is realized.

The invention discloses a small size simulation experiment table for underground coal mine exogenous fire. The small size simulation experiment table comprises a tunnel and an auxiliary measurement and control system, wherein the auxiliary measurement and control system comprises a flue gas temperature collection system, a heat loss measurement system, a flue gas measurement alarm system, a mechanical ventilation and flue gas exhaust system and a flue gas flow field display system; the flue gas temperature collection system comprises a distributed fiber temperature measurement circuit mounted in the tunnel and a thermal infrared imager mounted at the opening of one end of a simulated tunnel; the heat loss measurement system comprises a heat flux sensor mounted in the tunnel; the flue gas measurement alarm system comprises a flue gas analyser measurement point and an ion flue gas sensing detection alarm which are mounted in the tunnel. The small size simulation experiment table can simulate the situation, flue gas components, flue gas flow rule, temperature field variation rule, poisonous and pernicious gas concentration variation rule and heat loss during fuel combustion in case of fire in a laboratory, and develops a suitable coal mine tunnel detection and control system.

The invention discloses a high-pressure vapor explosion test device and system. The test device comprises a pressure-bearing container, a pressure relief device, a heating device for heating the test medium in the pressure-bearing container, and a sensor, wherein the pressure-bearing container is provided with a cavity consistent with a high-pressure vapor medium injection pipe in inner diameter and is used for providing a load and test place for a high-pressure vapor medium, the side face of the bottom of the pressure-bearing container is provided with a medium injection opening for injecting the test medium into the cavity of the pressure-bearing container, the pressure relief device is of a hollow structure, is arranged at the top of the pressure-bearing container and is connected and communicated with the pressure-bearing container, a rupture disk is arranged in a hollow cavity of the pressure relief device, the sensor is arranged in the cavity of the pressure-bearing container and is used for collecting physical parameters of the test medium in the cavity of the pressure-bearing container. The high-pressure vapor medium injection pipe can be better simulated, the simulation degree of the high-pressure vapor explosion test device is improved, and more reliable technical parameter support is provided for high-pressure vapor explosion test analysis.

The invention discloses a top air-injection gravity auxiliary driving oil-extraction two-dimensional physical simulation experiment system, comprising a sample injection system, a simulation system, an output system, a PC (personal computer) monitoring system and a gas chromatograph-mass spectrometer, wherein the sample injection system comprises an ISO (international standard organization) high-precision calculation pump, a dead oil piston container, a natural gas piston container and a sample preparer; the simulation system comprises the ISO high-precision calculation pump, a formation water piston container, an air piston container, a three-way valve, a high-pressure bin, an inclined angle marking device and a two-dimensional sand filling model; the output system comprises a separator, a helium tank and a gas meter; and the PC monitoring system comprises a PC monitoring computer and a gas flow quality controller. Through an experiment system disclosed by the invention, the consistency of a sample and in-place oil can be ensured so that an experiment result is more real and reliable, and an online monitoring function for samples of an output system is exerted, and the real-time and automation degrees are improved.

The invention provides a tire hydroplaning performance dynamic test experiment table and experiment method, and belongs to the field of tire mechanical property test. The experiment table comprises a base table which is provided with a combined framework, a tire contact disc, a camera and data and image acquisition equipment. The combined framework is provided with a motor and a pressurization water container. The pressurization water container is provided with a water film ejector. The tire contact disc is arranged below a tested tire. The camera is arranged exactly below the contact position of the tested tire and the tire contact disc. The data and image acquisition equipment and the camera are connected via a data line. The experiment method comprises performance tests of the tested tire under the normal state and the side inclination and side deflection states and the state of combination of side inclination and side deflection. Various working conditions of the tire in high-speed operation on dry and wet pavements under the vertical or side inclination state can be simulated, and the tire hydroplaning performance dynamic test experiment table and experiment method are used for testing the mechanical property of the tire so that improved experiment data can be provided for research and development and performance analysis of the tire.

The invention discloses a water-based heat-fluid-solid coupling true triaxial shear seepage test apparatus for coal body and a test method using the apparatus. According to the test apparatus, on the basis of the prior art, a true triaxial test box with a separated structure is employed, and two rubber pallets each possessing a special structure matched with the test box are employed, so that the simulation authenticity, accuracy and reliability are substantially improved during shear deformation operation of a test piece, and monitoring is facilitated. According to the test apparatus, because the to-be tested test piece is subjected to the force along the three axial directions of a stereo coordinate system, the test apparatus is a true triaxial shear seepage test apparatus in a real sense. Compared with the prior art, the test method using the test apparatus is high in simulation degree, and possesses the characteristics of true and accurate result, good reliability and the like.

The invention relates to a microfluidic chip applicable to medicine screening of zebra fish embryos. The microfluidic chip is low in price, easy to prepare and suitable for large scale, high flux and automation. The microfluidic chip comprises at least one microfluidic layer, at least one control layer, a connecting layer and at least one micro cell, wherein the control layer is adjacent to the microfluidic layer; the connecting layer is used for connecting the adjacent microfluidic layer and the control layer; the micro cell is used for accommodating the zebra fish embryos and providing the growth environment for the zebra fish embryos; the microfluidic layer is provided with a microfluidic channel; the microfluidic channel is communicated with the internal space of the micro cell; the control layer is provided with at least one control channel; the microfluidic channel and the control channel are provided with at least one intersected point; and the connecting layer at the position of the at least one intersected point consists of an elastomer material and forms an elastomer valve. The communication state of the microfluidic channel can be controlled convenient through the elastomer valve, so that fully-automatic operation of medicine screening of the zebra fish embryos can be realized through an electromagnetic valve controlled by an external computer.

The invention relates to a photoelectrochemistry detection device with double detection pools and a use method of the photoelectrochemistry detection device. The device comprises a sample pool, a reference pool, a light source, a dark box and a voltage measurement recording device, wherein one side surface of the dark box is provided with a light valve assembly; the sample pool and the reference pool are arranged in the dark box; the light source is arranged at one side of the light valve assembly; a first light-sensitive electrode, a first pair of electrodes and a solution to be tested are arranged in the sample pool; a second light-sensitive electrode, a second pair of electrodes and a blank solution are arranged in the reference pool; the voltage measuring recording device respectively measures and records the voltage between the first light-sensitive electrode and the first pair of electrodes and the voltage between the second light-sensitive electrode and the second pair of electrodes. By using the double-passage detection pools, on the basis of not changing the existing operation conditions, the detection signal fluctuation due to factors such as light source instability and temperature change in the detection pools in the detection process can be counteracted through reference. The signal-to-noise ratio of the detection system is improved; the trace ingredient determining sensitivity of an electrochemiluminescence method is improved.

The invention discloses an acidic etching instrument and an operation method thereof. The acidic etching instrument comprises a visualized core holder made of transparent materials, wherein the visualized core holder is of a hollow sealed structure, the upper end of the visualized core holder is provided with an upper through hole, the lower end of the visualized core holder is provided with a lower through hole, and the upper through hole and the lower through hole are both communicated with the inside of the visualized core holder. The acidic etching instrument and the operation method thereof disclosed by the invention have the beneficial effects that the instrument adopts a one-inch columnar core, therefore, an effect of easy processing is achieved, and actual reservoir cores can be adopted for carrying out experimental researches; the etching form of cores can be subjected to real-time tracking; and the whole acidic rock reaction process is reflected really, and a study on the change of annular fracture diverting capacity can be performed, thereby achieving the purpose of optimizing an acidizing fluid system and an acidizing process.

The invention belongs to the fields of cell biology and tumor tissue engineering materials and provides a three-dimensional tumor model decellularization porous scaffold, a construction method and application thereof. The whole pig lung scaffold is prefrozen, a uniform part without obvious bronchi is selected and sliced, purified water and PBS are added for cleaning until no blood streak is formed, removing cells with sodium dodecyl sulfate and TritonX-100, and freezing, drying and chemical crosslinking methods are adopted, so that a crosslinked decellularization pig lung three-dimensional tumor model scaffold is obtained. The three-dimensional tumor model decellularization porous scaffold provided by the invention has the advantages that decellularization matrix sourced from pig lung tissues is taken as a scaffold material for constructing a tumor model, on the basis of effectively removing cell components, a pulmonary alveolus-bronchus structural vein network is reserved as soon as possible, a natural extracellular matrix microenvironment can be simulated, and cell adhesion, growth and proliferation are facilitated. The in vitro constructed three-dimensional tumor model after cells are inoculated has a tissue structure closer to an in vivo tissue and is applicable to screening study of anticancer drugs.

The invention discloses a detection method of a folate metabolism related gene, which includes steps of extracting DNA from oral mucosa cell of a detector; amplifying MTHFR gene C677T by SEQ NO 1 and SEQ NO 2; amplifying MTHFR gene A1298C by SEQ NO 3 and SEQ NO 4; amplifying MTHFR gene A66G by SEQ NO 5 and SEQ NO 6; extracting DNA from oral mucosa cell as a template to perform PCR reaction; performing sepharose gel electrophoresis of 1% of ordinary PCR amplified product on three pairs of primers; recycling a strip of a kit recycling item from the 1% of agarose gel electrophoretic band by sepharose gel; performing sequence testing reaction; purifying the sequence testing reaction product and denaturing; testing sequence by an upper 3730 sequence tester; analyzing three SNP gene models of the sequence testing result by Chromas software. The method has the advantages of high detection accuracy, and convenience of use.

The invention discloses an experimental system and method for turbine blade leading edge cooling test under a rotating condition. A whole blade leading edge cooling system is imitated, a real airflowimpact boundary condition is provided, and the comprehensive influence of the mixing of heating incoming flow at external relative speed and internal cooling air flow, the arrangement mode of air flowimpact channels, the arrangement of shower head air film cooling holes at the front edge target surface and the rotation of different areas (blade root, blade body and blade top) of the blade is considered. In the experiment process, temperature, pressure and flow signals are monitored, controlled and adjusted, so that the interior-air film coupling cooling performance of the rotary turbine bladeis accurately evaluated, and reliable reference is provided for design and application of an actual blade cooling structure.

The invention discloses an engine low-pressure simulation testing platform. The engine low-pressure simulation testing platform comprises an airtight case body. A temperature adjusting device, an air pressure adjusting device, and an engine cooling device are disposed on the case body. A dynamometer, a dynamometer cooling device, and an engine oil supplying device are disposed in the case body. The engine low-pressure simulation testing platform is capable of simulating a low-atmospheric-pressure environment of a plateau at a low-altitude area and provides convenience for engine test.