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46results about How to "Will not affect the test results" patented technology

Two-box type impact testing box

The invention discloses a two-box type impact testing box. A hanging basket between a high-temperature box and a low-temperature box is moved to transfer a test sample and a room-temperature box does not need to be arranged, so that the defrosting time can be shortened, the consumption of electric quantity is reduced and the testing cost is saved; inner walls of the high-temperature box and the low-temperature box are respectively provided with a heating device and a refrigerating device; the circulation of air flow is driven by an impeller; the air flow rapidly and circularly flows to realize the effect of rapidly heating the test sample or refrigerating the test sample; an impeller, one heating device, an evaporator, a regenerator and the like are all located on the side wall of the high-temperature box or the low-temperature box; a motor drives the impeller to rotate to drive the air flow to flow in the front and rear direction of the box body; the air flow can rapidly flow and the distribution of the air flow is uniform so as to reduce the formation of frost and realize a long-time defrosting-operation-free circulating continuous test; a driving device for moving the hanging basket is arranged in a refrigerator cabinet rather than in the low-temperature box, so as to avoid influences on the driving device by the low temperature and rapidly move the hanging basket; the safety is high.
Owner:GUANGZHOU CEPREI INSTR & EQUIP

Insulating support for supporting high-pressure testing leads and use method thereof

The invention relates to an insulating support for supporting high-pressure testing leads, which consists of a retractable insulating rod, a base, a magnet and a clamping wire slot; the cross section of the insulating rod is circular; the semicircular clamping wire slots of the two fixed testing leads are arranged on the top of the retractable insulating rod; the two semicircular clamping wire slots has an upward opening and a downward opening; the base is a semi-spherical structure; and the magnet is arranged in the semi-spherical base. When in use, the length of the insulating rod is adjusted according to the testing spot; the base is attached at the proper position on the shell of the device or the inner wall of the device vertically or horizontally or in an inverse suspension manner; and the high-pressure testing lead is hung on the proper semicircular clamping wire slot. The insulating support is simple in structure, convenient to manufacture, low in cost and convenient to use; once the insulating support is fixed, whatever leads can be spanned to the support; the support is safe and convenient; after the leads are fixed, the insulating support is firm and beautiful; simultaneously, the insulating support does not influence the testing result.
Owner:SHANGQIU POWER SUPPLY ELECTRIC POWER OF HENAN

Device and method used for testing phototaxis behavior of aquatic products

The embodiment of the invention provides a device and a method used for testing the phototaxis behavior of aquatic products. The device comprises an inner shell, an outer shell, a bottom cover, a plurality of isolating plates, video acquisition modules, light sources and temperature sensors, wherein the bottom cover is arranged at the bottom end of the outer shell in a sealing manner; the plurality of isolating plates are arranged between the inner shell and the outer shell and are used for dividing the space between the inner shell and the outer shell into a plurality of feeding chambers; shuttling holes allowing the aquatic products to shuttle are formed between adjacent feeding chambers; shuttling holes allowing the aquatic products to shuttle are formed between the inner shell and each feeding chamber; the video acquisition modules are arranged in the feeding chambers or on the front walls of the feeding chambers and are used for acquiring aquatic product activity video images; the light sources are arranged in the feeding chambers, on the walls of the feeding chambers or above the feeding chambers; and the temperature sensors are arranged on the inner shell, the outer shell, the insolating plates and / or the bottom cover of the outer shell and are used for acquiring the temperature of the water. By utilizing the device and the method provided by the embodiment of the invention, the testing result in aquatic product optics biologics research can be more accurate.
Owner:HANGZHOU LANGTUO BIOTECH

Geotechnical triaxial test sample radial deformation testing device and method

The invention discloses a geotechnical triaxial test sample radial deformation testing device and method. The device is composed of a latex film, a sensitive material array printed on the latex film, a conductive electrode array printed on the latex film and a terminal connected with the conductive electrode array. The latex film is normally adopted in a triaxial test and wraps a sample during testing. The sensitive material array printed on the latex film must be the rubber-based sensitive composite material. On the one hand, large deformation is ensured, and on the other hand, it is ensured that the sensitive material array is firmly stuck to the latex film. The conductive electrode array printed on the latex film must be the rubber-based conductive composite material, so that it is ensured that the large-deformation feature is achieved and the conductive electrode array is firmly connected with the latex film. The terminal connected with the conductive electrode array is used for connecting the device with a testing instrument. During testing, the radial deformation distribution of the sample in the height direction can be worked out only by testing all resistances of the sensitive material array. The method can meet the requirement of high pressure and conventional triaxial testing and has the practical value.
Owner:CHINA UNIV OF MINING & TECH

Device and method used for testing light favor behavior of poultry

The embodiment of the invention provides a device and a method for testing the light favor behavior of poultry. The device comprises a first sleeve, a second sleeve, a bottom cover, a top cover, a plurality of isolating plates, video acquisition modules and light sources, wherein the plurality of isolating plates are arranged between the first sleeve and the second sleeve and are used for dividing the space between the first sleeve and the second sleeve into a plurality of feeding chambers; one of a pair of opposite sides of each isolating plate is connected with the outer wall of the first sleeve, and the other one of the pair of opposite sides of each isolating plate is connected with the inner wall of the second sleeve; shuttling holes allowing poultry to shuttle are formed among adjacent feeding chambers; shuttling holes allowing the poultry to shuttle are formed among the first sleeve and each feeding chamber; the video acquisition modules are arranged in each feeding chamber and are used for acquiring poultry activity video images; and the light sources are arranged in the feeding chambers and the lighting intensity and / or the wavelengths of the light sources in the feeding chambers are different. By utilizing the device and the method provided by the embodiment of the invention, the testing result in poultry optics biologics research can be more accurate.
Owner:HANGZHOU LANGTUO BIOTECH

High-density resistivity method laboratory pool analog device

The invention discloses a high-density resistivity method laboratory pool analog device. The device includes a telescoping device, electrodes, a large transmission cable, a high-density host and a floating device, and is characterized in that the telescoping device is erected on the floating device, a floating position control device is arranged on the floating device, a plurality of linearly distributed electrode installation holes are arranged in the telescoping device, the electrodes are installed in the electrode installation holes, the bottoms of the electrodes are conical, the tops of the electrode are cable subcore connectors, the large transmission cable contains a plurality of cable subcores, the cable subcores in one end of the large transmission cable are connected with the electrode cable subcore connectors in one-to-one correspondence, and the other end of the large transmission cable is connected with the high-density host through an electrode converter. The high-density resistivity method laboratory pool analog device provided by the invention can well control a contact area of the bottoms of the electrodes and a water surface, can guarantee accuracy of experimental data, and can meet objectives and requirements of a physical model experiment in scientific research and professional teaching.
Owner:EAST CHINA UNIV OF TECH

Coastal multiple habitat simulation test field

The invention discloses a coastal multiple habitat simulation test field. The test field is characterized in that the test field is provided with a posterior coastal zone test area and a coastal saltmarsh wetland test area, wherein an intertidal zone test area is arranged in the posterior coastal zone test area, the intertidal zone test area is arranged at one side, close to the coastal salt marsh wetland test area, of the posterior coastal zone test area, the intertidal zone test area is equipped with two water outlet pipes towards the coastal salt marsh wetland test zone, and the two wateroutlet pipes are respectively arranged parallel to the bottoms of the test areas. The multiple habitat simulation test field designed in this way aims at realizing that a test field simulates a plurality of different coastal habitats at the same time, has obvious advantages such as simple structure, reusability and low cost, makes test results be not affected due to changes of the groundwater level and salinity, and be more accurate, ensures that saline groundwater is circulated in the test field, and does not affect the environment outside the field.
Owner:THIRD INST OF OCEANOGRAPHY MINIST OF NATURAL RESOURCES

Automatic calorimeter for caloric analysis of sample

The invention discloses an automatic calorimeter for caloric analysis of a sample, comprising an outer barrel, an inner barrel and an oxygen bomb; the oxygen bomb is disposed in the inner barrel which is arranged in the outer barrel, a water supply stirring mechanism is arranged outside the outer barrel for supplying water to the inner barrel and stirring, the water supply stirring mechanism comprises a water supply chamber and a magnetic stirring assembly, one end of the water supply chamber is provided with a water inlet for communication with an external water supply apparatus, and the other end of the water supply chamber is provided with a water outlet for communicating with the inner barrel to supply water; the magnetic stirring assembly comprises stirring blades arranged in the inner barrel, a magnetic transmission part arranged in the water supply chamber and a magnetic drive part arranged outside the water supply chamber, the magnetic drive part cooperates with the magnetic transmission part to drive the magnetic transmission part to rotate, and the magnetic transmission part cooperates with the stirring blades to drive the stirring blades to move in sync for stirring. The calorimeter of the invention has the advantages of simple and compact structure, good stirring effect, high volume fixing precision and high test and analysis precision.
Owner:HUNAN SUNDY SCI & TECH DEV

Conveniently-used examination device for ophthalmology department

The invention relates to an ophthalmic examination device, in particular to a conveniently-used examination device for an ophthalmology department. The to-be-solved technical problem is to provide a conveniently-used examination device for the ophthalmology department which can reduce the burden on a doctor and facilitate examination and treatment of a patient. According to the technical scheme, the conveniently-used examination device for the ophthalmology department comprises a base, a first bracket, a second bracket, a bed board, a first large guiding rod, a first lifting plate, a first large spring, a first large threaded rod, a small rubber block, a first small guiding rod and the like; the first bracket is connected to the right side of the top of the base, the second bracket is connected to the left side of the top of the base, and the bed board is located on the upper portions of the first bracket and second bracket. The conveniently-used examination device for the ophthalmology department has the advantages that the doctor does not need to hold an illumination lamp for a long time, thereby not causing fatigue of the doctor's hand, reducing the burden on the doctor, being beneficial to the examination and treatment of the patient, the performance is safe and reliable, the structure is simple, and the use is convenient.
Owner:九江爱尔眼科医院有限公司

Sand adding and mixing device

The invention discloses a sand adding and mixing device which comprises a suction pump and at least one hydrocyclones. The suction pump comprises a first shell, a liquid inlet cavity, a nozzle, a sand suction cavity, a gullet and a pressurization cavity, wherein the liquid inlet cavity, the nozzle, the sand suction cavity, the gullet and the pressurization cavity are formed in the first shell and communicated in sequence; the projected area of sections, facing the direction perpendicular to the horizontal axis, of the liquid inlet cavity and the pressurization cavity is larger than the projected area of sections, facing the direction perpendicular to the horizontal axis, of the nozzle and the gullet; an opening communicated with the sand suction cavity is formed in the wall of the first shell; each hydrocyclones comprises a second shell and one or more rib plates which are formed on the inner wall of the second shell and extend along the horizontal axis spirally; a sand stirring channel is formed between each second shell and the corresponding rib plate, the second shell and the first shell are sealed, and each sand stirring channel is communicated with the pressurization cavity of the suction pump. According to the sand adding and mixing device, sand mixing liquid can be output continuously and evenly, and the effect of gravel filling simulation test is guaranteed.
Owner:PETROCHINA CO LTD

Constant temperature water tank for triple-connected independent temperature control anaerobic digestion methane-producing test and control method

PendingCN106754285ASave energyThe results obtained by the test operation are accurate and reliableBioreactor/fermenter combinationsBiological substance pretreatmentsTemperature controlProcess engineering
The invention discloses a constant temperature water tank for the triple-connected independent temperature control anaerobic digestion methane-producing test and a control method, and belongs to the technical field of test devices. The constant temperature water tank comprises three independent stainless steel tank bodies connected together, and a lockable cover body which is hinged to the top ends of the tank bodies and is provided with supporting rods; a stainless steel bracket capable of enabling an anaerobic digestion tank to be located below the liquid level is arranged in each tank body; electric heating wires and stainless steel pipes are arranged at the bottoms of the tank bodies; a temperature sensor is sealed in each steel pipe; the electric heating wires and the temperature sensors are connected to a digital display temperature controller on the outer walls of the tank bodies. According to the constant temperature water tank disclosed by the invention, the three independent constant temperature water tanks connected together are used for researching the influence of temperature on the anaerobic digestion methane-producing efficiency, and the digital display temperature controller is used for controlling temperature changes in the three water tanks; three groups of tests can be carried out at the same time, so that the energy and the test time are saved; the constant temperature water tank can be further used for parameter comparison and analysis of the parallel tests. A test result of the constant temperature water tank is more precise and credible.
Owner:HUAIYIN TEACHERS COLLEGE

Test system for filter screen life and testing method thereof

PendingCN109100277ASimplify the installation processMeet the requirements of single person disassembly and assemblyPermeability/surface area analysisEngineeringLife testing
The invention provides a test system for filter screen life and a testing method thereof, and relates to the field of filter screen life testing. The device comprises an air inlet drive pipe, a clamping device connected with the air inlet drive pipe and an air outlet drive pipe connected with one side of the clamping device remote from the air inlet drive pipe, the clamping device comprises a first clamping pipe in threaded connection with the air inlet drive pipe, a second clamping pipe in threaded connection with the air outlet drive pipe, and a clamping part arranged on the first clamping pipe for fixing with the second clamping pipe, the filter screen is arranged between the first clamping pipe and the second clamping pipe; a static pressure test point 1, a static pressure test point 2and a static pressure test point 3 are respectively arranged on inner walls of the air inlet drive pipe, the first clamping pipe and the second clamping pipe; and pressure testing devices are arranged at each of the static pressure test point 1, the static pressure test point 2 and the static pressure test point 3. The system has the advantages that disassembly and installation process of test assemblies can be effectively simplified in the life testing process of the filter screen, the disassembly and the assembly of the single person can be realized, and working efficiency is improved.
Owner:SHANGHAI JIAO TONG UNIV

Human body rotating table for examination in hospital radiology department

The invention discloses a human body rotating table for examination in the hospital radiology department. The human body rotating table comprises fixed castors and a bottom plate, and the fixed castors are respectively arranged on four corners of the bottom end of the bottom plate. According to the human body rotating table for examination in the radiology department of the hospital, by arranging a servo motor, a rotating shaft, a connecting shaft and a limiting rod, the servo motor is started, the servo motor can drive a driving gear to rotate through the connecting shaft, the driving gear can drive a driven gear and the connecting shaft in the driven gear to rotate, and when the connecting shaft rotates, a main bed plate can rotate along with the connecting shaft; limiting blocks are arranged in limiting grooves, so that not only can a main bed board be supported and limited, but also the connecting shaft can be assisted in sharing the weight, the connecting shaft is prevented from being bent due to the weight of the main bed board and the weight of a patient; rolling grooves are formed in the two sides inside a reserved groove, and friction between the connecting shaft and the reserved groove can be reduced through balls in the rolling grooves; and the problem that the human body rotating table for examination in the radiology department cannot accurately adjust the angle of the patient and is poor in stability is solved.
Owner:TAIZHOU MUNICIPAL HOSPITAL

Sample preparation and test integrated shearing device and method suitable for self-expanding medium

The invention discloses a sample preparation and test integrated shearing device and method suitable for a self-expanding medium. The shearing device comprises an upper box body and a lower box body, the upper box body and the lower box body can be in transverse sliding fit and vertically locked, and the upper box body is provided with a pressure bearing table for providing normal pressure for a sample. In addition, the invention further discloses a corresponding shear experiment method. Aiming at the expansion characteristics of expansion soft rocks and self-expansion materials in engineering, the stress-water-heat multi-field coupling working conditions during non-unloading are considered, so that a test target accords with engineering practice, and a means is provided for researching the non-unloading shear characteristics of engineering rock-soil bodies and reinforcing media.
Owner:CHINA THREE GORGES UNIV

Flywheel disc expansion core tool

The invention discloses a flywheel disc expansion core tool and relates to the technical field of flywheel disc testing. The flywheel disc expansion core tool comprises a base, a transmission base anda transmission mechanism, wherein placement sliding rails are arranged at two sides of the upper end of the base; a limiting stop block is fixed at the rear end of each placement sliding rail; a placement sliding block is connected to the upper end of each placement sliding rail; fastening knobs are arranged at two sides of the upper end of each placement sliding block in a penetrating manner; the transmission base is arranged in the centers of the upper ends of the placement sliding blocks; and a limiting sliding groove is formed in the inner side of the upper end of the transmission base. According to the flywheel disc expansion core tool, a driven gear fixed at the outer side of a rotary drum is matched with a driving gear arranged at the upper end of a servo motor, so that the rotarydrum achieves a rotating effect through the rotation between the gears, a bearing plate fixed at the upper end is driven to rotate, dynamic balance testing of a flywheel disc main body arranged at theupper end of the bearing plate is realized, the rotating stability and smoothness of the bearing plate can be ensured through gear transmission, and the situation that the bearing plate is stuck in the actual testing process and the test result is influenced is avoided.
Owner:CHANGSHA FEISITE MACHINERY MANFUACTURING

A fabric sewing strength measuring device

The invention discloses a fabric seam strength measuring device which comprises a case (1). A telescopic cylinder (2) is embedded into the case (1), a gravity induction device (3) is mounted at a piston shaft end of the telescopic cylinder (2), a positioning seat (4) is mounted on the gravity induction device (3), driving rods (5) are mounted at two ends of the positioning seat (4) and rotatably connected and matched with the positioning seat (4), and the ends of the driving rod (5) are rotatably connected and matched with the middle of a connecting rod (6). The fabric seam strength measuring device is simple in structure, the whole test action is characterized in that a joint between two fabrics is torn, final test results cannot be affected by the length of joints of samples, and the mode is obviously different from an existing cracking test mode.
Owner:ZHEJIANG IND POLYTECHNIC COLLEGE

Bolt corrosion test fixing device

The invention discloses a bolt corrosion test fixing device which comprises a first bearing plate, a second bearing plate, a rotating shaft and a protractor, and the first bearing plate and the second bearing plate are each provided with a plurality of bolt fixing holes; the rotating shaft is fixed to one end of the first bearing plate, the second bearing plate is hinged to the rotating shaft, and relative rotation of the first bearing plate and the second bearing plate 2 is achieved; and the protractor is fixed to the front side of the second bearing plate and the center of the protractor is coaxial with the axis of the rotating shaft. According to the invention, the angle of the bolt corrosion test can be adjusted, the bolt can be fixed, the accuracy and singleness of the test are ensured, the test result is not influenced by the preparation of the corrosion-resistant material, and the test equipment is not damaged by the preparation of the light material.
Owner:CHINA FIRST AUTOMOBILE

A special sampling box for medical health monitoring and storage method thereof

The invention discloses a special sampling box for medical health monitoring, which includes a heat preservation box, a water bag is arranged in the heat preservation box, a storage box, an arc-shaped hollow pipe, a clamping mechanism, and a collection pipe are arranged in the heat preservation box. The arc-shaped hollow pipe is fixed with an internal threaded pipe, and the internal threaded pipe is threadedly connected with the external threaded pipe. The external threaded pipe is fixed with a three-way valve, and the three-way valve is connected with the first connecting pipe. The heat preservation box is fixed with a lifting mechanism, a disinfection mechanism, a recovery box, and a tool box. Through the heat preservation box, water bag, and arc-shaped hollow tube, not only the storage box can be fixed, but also the shock absorption effect can be achieved to ensure the collection inside the storage box. The tube will not be damaged due to excessive shaking, and by injecting cooling liquid into the water bag, the internal environment of the insulation box and storage box can be kept at a low temperature, which further protects the organisms in the sample and prevents the sample from dying due to high temperature, resulting in collection failure ,waste time.
Owner:黑龙江省医院

Flow testing platform for testing high-precision ultrasonic flowmeter

The invention discloses a flow testing platform for testing a high-precision ultrasonic flowmeter, which comprises a main pipeline, a liquid storage tank, an ultrasonic flowmeter, an ultrasonic flowmeter, an ultrasonic flowmeter, a flow meter, a flow meter and an ultrasonic flowmeter, and is characterized in that the main pipeline is a closed pipeline for a medium to pass through and is fixedly connected with the liquid storage tank; a centrifugal pump is fixedly connected to the connecting position of the liquid storage tank and the main pipeline, so that liquid stored in the liquid storage tank can circulate in the main pipeline; the main pipeline is provided with a plurality of to-be-measured flowmeter connecting points and a pipe clamping assembly. An electromagnetic flow meter is fixedly connected to the main pipeline, and the electromagnetic flow meter is arranged between a plurality of to-be-detected flow meter connecting points and the pipe clamping assembly so that the electromagnetic flow meter can accurately detect the flow adjusted by the pipe clamping assembly; the main pipeline is further provided with a flow direction replacing assembly. And the main pipeline is also fixedly connected with a control variable module. Accurate flow testing can be carried out on the high-precision ultrasonic flow meter, meanwhile, the testing efficiency is high, and the measuring effect on the high-precision ultrasonic flow meter is improved in a variable control mode.
Owner:上海赛腾源研医疗科技有限公司

Overhauling line of water supply and drainage system

The invention relates to an overhauling line of a water supply and drainage system. The overhauling line of the water supply and drainage system comprises two overhauling lines, wherein one overhauling line comprises a to-be-overhauled buffer region, a water pumping device overhauling region, an electric drinking water boiler overhauling region and a storage region; the other overhauling line comprises a washing and drying region, a sewage box overhauling region, a toilet stool overhauling region and a storage region; the two overhauling lines share one to-be-overhauled buffer area; according to the requirements of an overhauling process of the water supply and drainage system, the convenience of overhauling and the sufficient utilization of space are simultaneously considered, so as to avoid repeatedly transporting devices, reduce repeated work and improve the overhauling efficiency; and the overhauling line is divided into the to-be-overhauled buffer region, a washing region, a working region and a repaired part storage region. Work station number for an overhauling test of the parts of the water supply and drainage system is small and the volumes of the parts are relatively large, so that an electric hoisting trolley is used for finishing the transportation of each part, ascending and descending a worktable and the like; corresponding equipment including the worktable, a test-bed, a control platform, a tool case and the like is arranged on each overhauling and assembling test region, thereby realizing the overhauling work of storing, decomposing, overhauling, assembling, testing and the like of the water supply and drainage system.
Owner:CRRC QINGDAO SIFANG ROLLING STOCK RES INST

High-rigid clamp of testing machine

The invention discloses a high-rigid clamp of a testing machine, which belongs to a clamp. The high-rigid clamp comprises a jaw seat, jaw clamp plates, jaws, a push plate, a piston and an oil cylinder, wherein the jaws include a left jaw and a right jaw; the jaw clamp plates include a left jaw clamp plate and a right jaw clamp plate; the jaw seat is in a half-opening type; the left jaw and the left jaw clamp plate are matched in a dovetailed mode, and the right jaw and the right jaw clamp plate are matched in a dovetailed mode; the push plate is respectively connected with the lower sides of the left and right jaw clamp plates through a connection plate; pressing plates are respectively arranged in the jaw seats at the front parts of the left and right jaw clamp plates; guide plates are arranged at the rear of the left jaw clamp plate and the right jaw clamp plate; and positioning plates are respectively arranged on the front end surfaces of the left jaw clamp plate and the left jaw and on the front end surfaces of the right jaw clamp plate and the right jaw. The high-rigid clamp of the testing machine has the characteristics that after being arranged in the jaw clamping plates, the jaws can be aligned to the jaw clamping plates, thus the axiality of a tested sample is guaranteed, and the test result cannot be influenced; and the jaw clamp plates are not easy to deform, so that the economic loss is reduced, and the like.
Owner:JINAN KEHUI TESTING INSTR

Device and method used for testing light favor behavior of poultry

The embodiment of the invention provides a device and a method for testing the light favor behavior of poultry. The device comprises a first sleeve, a second sleeve, a bottom cover, a top cover, a plurality of isolating plates, video acquisition modules and light sources, wherein the plurality of isolating plates are arranged between the first sleeve and the second sleeve and are used for dividing the space between the first sleeve and the second sleeve into a plurality of feeding chambers; one of a pair of opposite sides of each isolating plate is connected with the outer wall of the first sleeve, and the other one of the pair of opposite sides of each isolating plate is connected with the inner wall of the second sleeve; shuttling holes allowing poultry to shuttle are formed among adjacent feeding chambers; shuttling holes allowing the poultry to shuttle are formed among the first sleeve and each feeding chamber; the video acquisition modules are arranged in each feeding chamber and are used for acquiring poultry activity video images; and the light sources are arranged in the feeding chambers and the lighting intensity and / or the wavelengths of the light sources in the feeding chambers are different. By utilizing the device and the method provided by the embodiment of the invention, the testing result in poultry optics biologics research can be more accurate.
Owner:HANGZHOU LANGTUO BIOTECH

A Fuel Detection Device Based on Temperature Control

The invention discloses a fuel oil detection device based on temperature control, which comprises a standard metal gauge, the surface of the inner cavity of the standard metal gauge is provided with an oil-free coating, and the top of the standard metal gauge is fixedly connected with a metering neck. A liquid flowmeter is sleeved on the top of the metering neck, a first temperature sensor is installed through the front surface of the overflow cover, an oil gun fixing frame is provided on one side of the overflow cover, a liquid level sensor is provided on the top of the sensor placement tube, and the sensor is placed There is a second temperature sensor on one side of the tube. This device uses the internal amplifier A as a comparator through a high-precision temperature control circuit. It only needs to ensure that the current limiting resistor is relatively large, and its temperature control circuit has lower requirements, and can measure the standard The temperature of the fuel oil in the metal gauge can be compared with the temperature data of the oil outlet from the nozzle of the fuel gun measured by the first temperature sensor, and then more accurate temperature data can be calculated, data errors can be reduced, and the accuracy of the device can be improved.
Owner:萧县众科电磁检测有限公司

Device and method used for testing phototaxis behavior of aquatic products

The embodiment of the invention provides a device and a method used for testing the phototaxis behavior of aquatic products. The device comprises an inner shell, an outer shell, a bottom cover, a plurality of isolating plates, video acquisition modules, light sources and temperature sensors, wherein the bottom cover is arranged at the bottom end of the outer shell in a sealing manner; the plurality of isolating plates are arranged between the inner shell and the outer shell and are used for dividing the space between the inner shell and the outer shell into a plurality of feeding chambers; shuttling holes allowing the aquatic products to shuttle are formed between adjacent feeding chambers; shuttling holes allowing the aquatic products to shuttle are formed between the inner shell and each feeding chamber; the video acquisition modules are arranged in the feeding chambers or on the front walls of the feeding chambers and are used for acquiring aquatic product activity video images; the light sources are arranged in the feeding chambers, on the walls of the feeding chambers or above the feeding chambers; and the temperature sensors are arranged on the inner shell, the outer shell, the insolating plates and / or the bottom cover of the outer shell and are used for acquiring the temperature of the water. By utilizing the device and the method provided by the embodiment of the invention, the testing result in aquatic product optics biologics research can be more accurate.
Owner:HANGZHOU LANGTUO BIOTECH

Preparation method of diamond-metal high-temperature solid-state interface reaction sample

The invention discloses a preparation method of a diamond-metal high-temperature solid-state interface reaction sample. The preparation method comprises the steps of processing diamond and metal into flat blocks or sheets; processing the diamond and the metal to enable the parallelism of the diamond and the metal to meet preset requirements; grinding and polishing the diamond and metal contact surface which is about to be subjected to high-temperature solid interface reaction; performing ultrasonic cleaning on the diamond and the metal by adopting an acetone solution and drying; assembling the diamond and the metal, and guaranteeing that the contact surfaces of the diamond and the metal make full contact; placing the assembled diamond and metal in a vacuum heating furnace for aging or variable-temperature treatment to obtain a high-temperature solid interface reaction sample; and observing the morphology of the sample and analyzing the components of the sample. The device has the advantages that the method is suitable for a solid-solid reaction system in a diamond-metal reaction system, and the diamond-metal reaction test process is perfected.
Owner:HUAQIAO UNIVERSITY
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