124 results about "Sample temperature" patented technology

The invention discloses an infrared temperature measurement calibration method and device for a CMAS high-temperature corrosion thermal barrier coating. The method comprises the following steps: preparing a thermal barrier coating sample coated with CMAS and provided with holes in the side surface; placing the sample in a high-temperature furnace, and inserting a high-temperature thermocouple into the sample temperature measuring hole; adjusting the high-temperature infrared thermometer to align a temperature measuring light path of the high-temperature infrared thermometer with a to-be-measured area on the surface of the sample; heating the high-temperature furnace to a preset temperature and preserving heat; and comparing thermocouple and infrared temperature measurement data in real time, adjusting the infrared emissivity to enable the difference between the thermocouple and the infrared temperature measurement data to be within a preset error range, and determining the infrared emissivity parameter of the sample at the temperature. According to the method provided by the invention, the infrared temperature measurement parameters of the thermal barrier coating under different CMAS corrosion conditions can be accurately calibrated, so that the corresponding infrared emissivity is obtained, and a key technical support is provided for checking and evaluating the high-temperature CMAS corrosion service life of the thermal barrier coating and testing the reliability of the service life. Meanwhile, the device adopted by the invention is simple in structure, simple and convenient to operate, accurate and effective in test result and good in application value.

The present invention relates to the field of infrared spectroscopy. In order to solve the problem that the interval difference of temperature and humidity is nonlinearly correlated with the mean of spectral data under the joint action of temperature and humidity, the conventional linear correction method cannot correct the sample spectral data under the joint action of temperature and humidity. The present invention provides a method for coordinating near-infrared spectral data with temperature and humidity, the core idea of ​​which is: using a near-infrared spectrometer to collect spectral data of samples with different temperatures and humidity, and calculating the mean of the spectral data of samples with different temperatures and humidity, and then calculating the temperature and humidity spectral correction coefficient in combination with the sample temperature and humidity values ​​and the corresponding spectral mean, and calculating the temperature and humidity spectral correction formula in combination with the coefficient, and finally correcting the sample spectral data to be corrected in combination with the temperature and humidity spectral correction formula to complete the correction of the spectral data. The method for coordinating near-infrared spectral data with temperature and humidity proposed by the present invention is mainly used to correct portable infrared spectral data.

The invention relates to the field of heating characteristics of samples, and particularly provides a macro sample temperature jump type in-situ thermal analysis system and a macro sample temperature jump type in-situ thermal analysis method. The system is characterized in that a driving unit is arranged on a guide rail and is suitable for doing vertical movement along the guide rail; the guide rail is perpendicular to the ground; the tubular electric heating reaction unit is connected with the driving unit, and after the tubular electric heating reaction unit is heated to a target temperature, the driving unit drives the tubular electric heating reaction unit to move to the periphery of the sample placing unit, so that a macro sample in the sample placing unit is instantly heated; the accuracy of analyzing the thermogravimetry of macroscopic samples and the precipitation characteristics of volatile matters in simulated industrial application can be improved; the balance measuring unit is connected above the sample placing unit, and the initial position of the tubular electric heating reaction unit is located at the lower end of the guide rail, so that the sample placing unit and the balance measuring unit are kept stable in the process of placing a macroscopic sample into the sample placing unit, and the weighing error during sample weighing and sample reaction is reduced.

The utility model discloses a cell identification pipettor with a heat preservation structure, and relates to the technical field of cell identification pipettors, the cell identification pipettor comprises a heat preservation shell and a pipettor body, the heat preservation shell comprises a shell I and a shell II, and a heat preservation sleeve is movably sleeved between the shell I and the shell II; the heat preservation sleeve is movably connected to the outer end of the pipettor body in a sleeving mode, bottom supports are fixedly connected to the positions, close to the inner wall of the lower end face, between the first shell and the second shell, the heat preservation sleeve is arranged above the bottom supports, a rectangular opening is formed in the outer wall of the heat preservation sleeve, and a window is fixedly arranged on the outer wall of the first shell. A sleeve block and a fixing block are fixedly connected to the outer walls of the two sides of the first shell and the second shell correspondingly, by arranging the heat preservation shell and the heat preservation sleeve structure, the effect of fixing the pipettor body is achieved, and the problem that due to the fact that a traditional pipettor is not provided with a heat preservation shell structure, the sample temperature may change when the transfer time is long is solved.

The invention discloses a high-temperature oil quenching immersion heat treatment experimental device and an experimental method, and belongs to the technical field of quenching devices. According to the high-temperature oil quenching immersion heat treatment experimental device, a clamp is arranged in an oil quenching experimental box, a lifting element for driving the clamp to ascend and descend in the oil quenching experimental box is arranged on the oil quenching experimental box, and a heating furnace is arranged on one side of the oil quenching experimental box; the other side of the oil quenching experiment box is provided with a temperature data collector used for detecting the temperature of the sample and displaying the real-time temperature of the sample, an image system used for shooting and recording the oil quenching experiment phenomenon is arranged outside the oil quenching experiment box, and a cooling medium system is arranged outside the oil quenching experiment box; the cooling medium system is used for conveying quenching oil into the oil quenching experiment box and discharging the quenching oil out of the oil quenching experiment box, and an induced draft fan for discharging high-temperature mist in the oil quenching experiment box is arranged outside the oil quenching experiment box. With the adoption of the high-temperature oil quenching immersion heat treatment experimental device and the experimental method, the sample quenching state under different sample states can be observed and analyzed, and accurate data guidance is provided for industrial production of samples; the operation efficiency and the research accuracy of a quenching experiment are improved.

The present application discloses a material emissivity measurement system and a material emissivity determination method, which relates to the emissivity measurement and radiation temperature measurement technology field, and solves the problem that the material emissivity obtained based on the measured temperature has low accuracy because the temperature of the sample surface will be changed by using a thermocouple to measure the sample temperature. The measurement system includes: a host computer, a temperature control device and a thermometer, the host computer is connected to the temperature control device and the thermometer, the temperature control device is controlled to heat the sample to be tested and the black body furnace to the set temperature, the thermometer is controlled to measure the first temperature, the second temperature, the third temperature and the fourth temperature of the surface of the sample to be tested when the shielding tube reaches different positions, and the host computer determines the target material emissivity of the sample to be tested according to the first temperature, the second temperature, the third temperature and the fourth temperature.

The disclosure relates to a device and method of using the device for performing biological and chemical assays that require an easy sample manipulation and / or a rapid change or a rapid thermal cycling of a sample temperature (e.g., Polymerase Chain Reaction (PCR) for amplifying nucleic acids). The device includes a first plate, a second plate, a plurality of spacers, and at least one clamp. The method includes obtaining the device, depositing a sample onto a sample contact area of at least one of the first and second plates of the device in an open configuration, closing the two plates into a closed configuration and placing the clamp in the active mode, and rapidly changing the temperature of the sample portion encircled by rings.

The present invention discloses a temperature and humidity monitoring and early warning system for a station equipment room, which relates to the technical field of data processing. The system includes: collecting the geographical environment characteristics of the target station equipment room, and obtaining a monitoring background feature set according to the collection results; obtaining a set of abnormal temperature and humidity monitoring information of the sample station equipment room; obtaining a set of screened sample abnormal information; obtaining a set of screened sample temperature and humidity feature groups; fusing the newly added sample abnormal information set with the screened sample abnormal information set to obtain a fused sample abnormal information set; obtaining the trained monitoring and early warning network layer; using the monitoring and early warning network layer to perform abnormal analysis on the target temperature and humidity monitoring data for temperature and humidity monitoring and early warning. It solves the technical problems in the prior art of ignoring background features and having a slow abnormal recognition, which leads to low accuracy of temperature and humidity monitoring and a lag in monitoring results, and achieves the technical effect of improving the accuracy and timeliness of temperature and humidity monitoring and early warning.

The invention relates to the field of temperature control, particularly provides a temperature control method, equipment, a medium and a system, and aims to solve the technical problem that the temperature control range is small due to the fact that an existing chemical adsorption instrument carries out temperature adjustment in a single temperature control mode. The temperature control method comprises the following steps: acquiring a set temperature, a sample temperature and a preset temperature threshold; determining a temperature control mode according to the set temperature, the sample temperature and a preset temperature threshold; and controlling the temperature of the sample in the chemical adsorption instrument according to the temperature control mode.

The invention discloses a thermal barrier coating temperature and thickness coupling measurement method, system and device and a storage medium, and relates to the technical field of aeronautical material testing. The method comprises the following steps: calibrating a mapping relation among parameters: preparing a series of standard samples with different thicknesses, collecting phosphorescence spectrums of the samples with the standard thicknesses at different temperatures, and calibrating the mapping relation among the parameters; the phosphorescence spectrum of the to-be-detected sample is collected, the phosphorescence intensity ratio of 457 nm to 483 nm is calculated, and the phosphorescence intensity of 586 nm is read; calculating the temperature of the to-be-measured sample: calculating the temperature of the to-be-measured sample according to the measured phosphorescence intensity ratio and the intensity ratio-temperature mapping relation; and calculating the thickness of the to-be-measured sample: determining a change curve of the phosphorescence intensity along with the thickness according to the calculated temperature of the to-be-measured sample, and calculating the thickness of the phosphorescence coating in combination with the measured phosphorescence intensity. The method and the system can realize non-contact synchronous online measurement of the temperature and the thickness of the thermal barrier coating.

The utility model provides a novel constant-temperature automatic continuous ambient air sampler which comprises a sampler main body, a detection cavity arranged on the sampler main body, a constant-temperature assembly arranged in the detection cavity, an air inlet assembly arranged at one end of the sampler main body and an air outlet assembly arranged at the other end of the sampler main body. A gas sample enters the detection cavity through the gas inlet assembly to be detected and analyzed, and is discharged through the gas outlet assembly after being detected and analyzed, the constant temperature assembly is arranged in the detection cavity, and when the environment temperature is too low, the constant temperature assembly can heat the detection cavity, so that the temperature of the gas sample is in a temperature interval suitable for detection; the influence of the environment temperature on the accuracy of a detection analysis result is reduced, the accuracy of air quality evaluation is improved, and the device has the advantages of simple structure, high automation degree, simple operation mode and convenience in popularization and implementation.

The invention discloses a pretreatment method for measuring the chemical oxygen demand of landfill leachate, which comprises the following steps of: selecting the landfill leachate generated by a refuse landfill or an incineration plant, accurately measuring 100-500mL of sample, and directly transferring the sample into a clean and dry container special for a wall breaking machine; the sample is not added with any chemical reagent, dispersing agent or stabilizing agent, the original physical state and chemical composition are kept, and interference of foreign substances on subsequent COD determination is avoided; according to the method, the treatment time (less than or equal to 2 minutes, and the upper limit is not more than 5 minutes) and the rotating speed range (18000-25000rpm) are strictly controlled, so that organic matter decomposition or property change caused by too high sample temperature is avoided; and the homogenized sample is subjected to room temperature standing (20-25 DEG C) and capping sealing, so that the loss of volatile organic compounds and the introduction of pollutants in air are prevented, the original chemical composition of the sample is further guaranteed, and the authenticity of the subsequent COD measurement result is ensured.

The utility model provides a sample temperature control assembly, which comprises a variable temperature cavity and a moving assembly, the upper side of the variable temperature cavity is provided with an opening for a measured object to enter and exit, the moving assembly drives the variable temperature cavity to move at different heights, and the height of the variable temperature cavity is adjusted through the moving assembly, so that the measured object can be conveniently switched between the inner side and the outer side of a cavity body of the variable temperature cavity. The environment of the tested object is convenient to adjust, and the tested object is convenient to replace. The utility model further provides a vibration sample magnetometer which comprises an excitation assembly, a sample bearing assembly, an induction assembly and the sample temperature control assembly, the environment where a detected object is located can be conveniently adjusted, the detected object can be rapidly switched among the high-temperature environment, the low-temperature environment and the room-temperature environment so as to meet corresponding detection requirements, the detected object can be conveniently replaced, and the detection efficiency is improved. The use difficulty is reduced, and the use efficiency is improved.

The invention discloses a laser freezing denudation device and method for a non-solid sample, and relates to the technical field of laser denudation-inductively coupled plasma mass spectrometry detection, the laser freezing denudation device comprises a sample cell main body, a heat dissipation end, a temperature sensing line, a liquid inlet liquid nitrogen pipeline, a silver objective table, a sample moving device and a multifunctional sample groove; wherein the heat dissipation end, the temperature sensing line and the liquid nitrogen inlet pipeline are sequentially arranged outside the sample cell main body side by side; the silver objective table and the multifunctional sample tank are arranged in the sample cell main body; a rotatable part of the sample moving device is arranged outside the sample cell main body; and the silver objective table is connected with the heat dissipation end, the temperature sensing line and the liquid nitrogen inlet pipeline. The device can effectively control the sample temperature, improve the data quality of fluid inclusion and biological sample test, provide an efficient and direct detection means without pretreatment for formation water and trace solution element-isotope analysis, and has the advantages of low instrument equipment and experiment cost, and strong economical efficiency and operability.

This invention relates to the field of measuring device technology and discloses an acrylate polymerization viscosity measuring device, including a rotor with a lower chamber and an upper chamber inside, the air pressure values ​​inside the lower and upper chambers being adjustable, and an elastic component disposed at the top of the rotor, the elastic component having an adjustable preload. This invention, by incorporating the elastic component, can buffer the instantaneous torque when the upper shell suddenly drives the rotor to rotate, allowing the rotor to start slowly and preventing the formation of a vacuum region inside the sample during rotor rotation, which would cause gas to precipitate and form bubbles. This ensures the accuracy of the data in the test results. Furthermore, the preload of the arc spring in the elastic component can be adjusted in real time by the increase in sample temperature, allowing the elastic component to be adjusted according to the sample temperature and adaptable to various operating environments.

The invention discloses a thermal flow oxygen salt five-field combined cross-sea-area high-speed flight simulation working condition experimental testing device and method, and belongs to the field of material testing. The device is used in cooperation with a universal testing machine, a fan, an electromagnetic induction heating module, an oxygen supply module, a salt mist generation module, a temperature / deformation field measurement module and an environmental parameter measurement module are arranged inside and outside a high-speed airflow circulation loop, and a sample is loaded through the universal testing machine and placed in an experiment section in the high-speed airflow circulation loop. Wide-temperature-range closed-loop control of the temperature of the sample, construction of a comprehensive stress state and construction of a controllable high-speed airflow, adjustable oxygen concentration and salt mist concentration gas environment are realized, so that a real material application environment is simulated, and acquisition of data of a temperature field, a deformation field and an oxidation corrosion field of the sample can be completed in a reaction process; the problem that a cross-sea-area high-speed aircraft service condition environment full-state simulation test cannot be realized in the prior art is solved.

The invention discloses a device for measuring the constant-pressure specific heat capacity of liquid. The device comprises a laser heating system, a temperature measuring system, a pneumatic suspension system, a sample operating system and a gas component regulation and control system. The laser heating system heats and melts a sample, and the temperature measuring system measures temperature data of the sample under a high-temperature condition. And the gas component regulation and control system is communicated with the pneumatic suspension system and the sample operating system. The pneumatic suspension system comprises a sealed cavity, and a suspension base, a nozzle and a storage table are arranged in the sealed cavity. The storage table can store samples, and the nozzle is installed on the suspension base and used for suspending the samples. The sample operating system includes an operating lever for operating the sample to move between the storage table and the nozzle. According to the measuring device, the spherical sample with the diameter of 2-4mm can be suspended by using the nozzle, the temperature of the sample is measured by using the infrared two-color thermometer, the measuring process is in a non-contact mode, and the reaction of measured liquid and a container material at high temperature can be avoided.

The application discloses a kind of detection methods of the temperature resistance of filler for organic silicon sealant, belong to material detection technical field;Including determining the initial fineness value of filler sample, record as L0;Filler sample is baked at 150~180 ℃ condition 2~4 hours;Determine the fineness value of filler sample after baking, record as L1;If L1-L0≥5 μm, determine this filler sample after high temperature will have the phenomenon of return coarse, poor temperature resistance;If L1-L0<5 μm, then determine this filler sample temperature resistance is good;The method described in the application is simple, fast detection, low equipment requirement and accurate and reliable result;Solve the existing problems, such as operation complex, detection efficiency low and poor correlation with actual application of temperature resistance detection method of filler for organic silicon sealant.

The utility model belongs to the technical field of synchrotron X -ray absorption spectrum test, concretely is a kind of synchrotron X -ray absorption spectrum liquid sample temperature control test cell, including the upper layer heating pool body, upper layer gasket, upper layer cover plate, film, lower layer cover plate, lower layer gasket, lower layer heating pool body that are sealed connection in turn, the utility model can accurately control the thickness and temperature of liquid sample;Conical frustum's observation window is set in the both ends of test cell, supports transmission mode and fluorescence mode test;Different temperature liquid medium is realized to the accurate temperature control of sample by annular flow channel circulation;Diamond window is embedded in the center of cover plate, liquid sample is directly dropped on diamond surface, diamond window can guarantee the controllable thickness of sample liquid layer in the temperature change / heating process being tested.The utility model has important significance to the structure change of liquid sample under different temperature conditions, reaction kinetics and catalytic mechanism.

The utility model relates to the field of food detection, and provides a food production detection device which comprises an equipment main body, a heating structure, a detection box, a second motor, a mounting disc, an electric push rod, a temperature detector and a heating rod. Wherein two groups of electric push rods are started to drive a temperature detector to enter the container so as to detect the temperature of the sample, the electric push rods drive the temperature detector to reset after detection is completed, and if the detected temperature is lower than a threshold range set in advance, the temperature detector controls a second motor to start; when a sample is detected, the electric push rods drive the mounting disc and the electric push rods to rotate, the heating rods are positioned right above the container, and the other two electric push rods drive the heating rods to enter the container to heat the sample, so that the temperature of the sample can be ensured, and the detection result is prevented from being influenced by too low temperature of the sample.

The utility model relates to the technical field of engineering tests, and particularly provides a granular test sample temperature adjusting device. The heating box comprises a box body, a containing space is formed in the box body, a heating assembly is arranged on the side wall of the box body, and an air outlet is formed in the top of the box body; the tray is detachably mounted in the box body, and the containing space is divided into an adjusting cavity and a connecting cavity by the tray; a conical groove is formed in the tray, an air inlet is formed in the tray, and the center line of the air inlet coincides with the center line of the conical groove; the outlet end of the connecting pipe is connected with the air inlet, and the other end of the connecting pipe is used for being connected with an external air source. According to the invention, the temperature of a powdery or granular test sample in the tray can be quickly adjusted to the test temperature.

The invention belongs to the field of surface chemistry, and particularly relates to a sample table device for temperature programmed desorption spectrum measurement of various samples, which comprises a linear heating module, a cooling module, an oxygen-free copper conductive bracket, a thermocouple, a mass spectrometer, a temperature display, a direct-current power supply and a computer, the oxygen-free copper conductive bracket is connected with a direct-current power supply; a linear heating module and a cooling module are arranged on the oxygen-free copper conductive bracket, and a sample is placed on the linear heating module to realize heating of the linear heating module; meanwhile, the cooling module is connected with a liquid nitrogen or liquid helium cooling system so as to cool the sample; a mass spectrometer is arranged in the direction right opposite to the sample, and the mass spectrometer is connected with a computer so as to send a detected mass spectrum signal to the computer in real time; and a thermocouple connected with a computer is arranged on the linear heating module so as to feed back the temperature of the sample to the computer, and the computer controls and adjusts the magnitude of the current through PID so as to control the heating rate. The device is simple in structure, low in cost and suitable for temperature programming desorption spectrum research of various samples.

The invention discloses a control method and system for heating curing and heating auxiliary parallel enhancement of a sample, and the method comprises the steps: selecting a plurality of process nodes from a heating curing process, and obtaining a sample preset temperature and a sample standard index of each process node; under the condition that the sample preset temperature between the adjacent process nodes is in a steady state, controlling the electromagnetic heating device to heat through a general control method or a PID-based preset frequency control method, otherwise, controlling the electromagnetic heating device to heat through a linear control method or a refined energy consumption control method; in the heating and curing process, the stirring speed is controlled based on the sample moisture content, the ultrasonic power is controlled based on the sample characteristic functional group content, and the vibration frequency is controlled based on the aroma functional group content. Real-time heating control can be carried out according to the sample temperature, the heating auxiliary device is controlled to work according to the sample moisture content and other indexes, and therefore the standardization of the heating and curing process is achieved.

The application discloses a kind of high-speed centrifuge in-situ heating under high temperature of high speed effect temperature calibration test method.Determine the parameters of centrifuge and test sample, install a temperature calibration sample and multiple test samples in sample chuck and insert thermocouple;In the case of not starting centrifuge, keep still, vacuum control temperature system controls inductive heating system, circulating water cooling system work to test sample and temperature calibration sample to apply temperature load, after temperature reaches predetermined temperature and keeps temperature;Analysis and processing obtain the parameters of upper and lower induction coils when formal test measurement;Remove temperature calibration sample, replace test sample, start the main shaft rotation of centrifuge again and reach speed, control according to the parameters obtained in the fifth step until test sample is pulled off and broken.The application solves the deficiency that current high-speed radiation heating can only check ambient temperature but cannot accurately check sample temperature under high speed, and can directly check sample temperature under high speed, so that the temperature of test component is more accurate.

The application discloses a lunar soil water ice drilling process sample temperature rise simulation prediction method and system, belongs to the moon water ice detection and temperature field simulation technical field, wherein the method comprises the following steps: matching lunar soil characteristic parameters according to the polar lunar soil properties, and establishing a lunar soil water ice particle system according to the lunar soil characteristic parameters; acquiring the inner diameter, the outer diameter and the wall thickness of a drill rod, and the heat output and the heating power input of an instantaneous heat source, and inputting the EDEM simulation software to establish a drill theoretical temperature rise model; performing a single-tooth cutting simulation test based on the water ice particle system and the drill theoretical temperature rise model, and determining a heat source point and a heat generation energy distribution ratio; and integrating the lunar soil water ice particle system, the drill theoretical temperature rise model and the heat generation energy distribution ratio to establish a moon-land interaction discrete element temperature rise model. The method increases the simulation of heat transfer forms such as convection and thermal radiation, the established simulation model is closer to the actual situation, and then the simulation model can predict the temperature rise of the drill and the lunar soil water ice in the drilling process.

The utility model discloses a kind of biodegradable modified material heat resistance testing device, it includes base, the top of base is fixedly installed with box. The device is started by controller assembly starting device, cylinder starts operation, drives support plate to move downwards, so that mounting plate and its bottom heating lamp tube and infrared temperature sensor drop to appropriate position, according to the height adjustment heating lamp tube and the interval between biodegradable modified material of biodegradable modified material, avoid the phenomenon that heating lamp tube needs to spend more time for the smaller biodegradable modified material surface heating, reduce the influence of vibration on test, ensure that device stable operation, infrared temperature sensor real-time monitoring sample temperature, and temperature data is transmitted to controller assembly, can be real-time, accurate monitoring sample temperature, provide reliable data for test, transparent window can also intuitively observe sample state in test process, without frequently opening box, improve the convenience of test operation and control ability to test process.

The invention relates to the technical field of medical instruments, and provides a sample cracking method and a sample cracking control device for a sample treatment device, and the sample cracking method comprises the following steps: controlling an action part to execute a cracking process on a sample by target power; recording a real-time energy value of the acting part during the execution period of the cracking process, and calculating an accumulated energy value of the acting part during the execution period of the cracking process based on the real-time energy value; when the accumulated energy value reaches the target energy value, the cracking process of the acting part is stopped; wherein when the real-time energy value is recorded at each moment, the calculation energy value is obtained according to the real-time power of the acting part at the moment; temperature information of the sample at the moment is obtained, the calculated energy value is corrected according to the temperature information, and a real-time energy value is obtained. The cracking process of the cracking action part can be corrected in real time according to the sample temperature, so that the phenomenon of insufficient cracking caused by temperature rise in the prior art is avoided.

The invention relates to a temperature-controllable super-hydrophobic coating water impact resistance tester, a temperature-controllable sample carrier and a test method, a temperature controller is mounted on the back of a support plate, and temperature control is performed on a sample by heat-conducting silica gel, so that the sample can be heated or cooled to a target temperature on the sample carrier, temperature change of the sample in a transfer process is eliminated, and the test accuracy is improved. Therefore, the water impact resistance of the super-hydrophobic coating on the surface of the sample at the specific temperature cannot be accurately detected. Meanwhile, the sample is loaded on the sample carrying table and then quickly translated to the position below the corresponding spray head for water impact resistance test by utilizing the sample carrying table which is arranged in a sliding manner, so that the detection error caused by manually and directly loading the sample on the sample carrying table below the spray head is eliminated, and the detection precision is improved. Through the improvement, the tester can be suitable for high-flow-rate and short-time water impact resistance tests and high-temperature sample water impact resistance tests, the application range of the tester is expanded, and the test precision is improved.

The present invention provides a method for measuring the temperature distribution of a diamond anvil cell in a cryostat. By adopting a new method for arranging thermoresistors and thermocouples on the cryostat and the diamond anvil cell, combining experimental temperature measurement with finite element analysis, the measurement of the sample temperature and temperature distribution under low temperature and high pressure can be ultimately realized, and the temperature difference between the sample cavity and the fixture can be accurately obtained. Compared with non-contact temperature measurement methods and traditional contact temperature measurement methods, the present invention is simple and efficient, improving the calibration rate and accuracy. The present invention is easy to implement and has good experimental repeatability; it solves problems such as the small size of the sample cavity, high requirements for the sealing of the cryostat, and difficult arrangement of thermocouples; it makes up for the experimental errors caused by using the temperature on the surface of the cryostat to replace the temperature of the anvil surface of the diamond anvil cell. And according to the corresponding model, it can be extended to the temperature difference between the temperature measurement points on the outer wall of other fixtures and the sample cavity.

The invention discloses a dynamic evaluation method and system for a UHPC hydration heat regulation effect, particularly relates to the technical field of material thermophysical property testing, and is used for solving the problem of temperature rise curve distortion caused by heat loss compensation delay in the process of measuring UHPC violent hydration heat release by an existing adiabatic calorimetric method. The method comprises the following steps: generating a time-temperature sequence by collecting sample temperature data, obtaining a wavelet energy spectrum entropy sequence through continuous wavelet transform, analyzing a dynamic response relationship of temperature signals at different positions in a high heat release time period to obtain time delay characteristics, and comprehensively judging a temperature rise rate mutation time period according to characteristic mutation and delay characteristic change. And calculating a heat loss compensation deviation based on an actually measured temperature difference, and finally dynamically correcting a temperature sequence to generate an accurate hydration temperature rise curve. The method can effectively identify the measurement deviation caused by the response lag of the instrument, and improves the accuracy and reliability of the hydration heat evaluation result.