37 results about "Mixing ratio" patented technology

The invention discloses a high-arsenic hot spring replenishment surface water resource quantity determination method, device and equipment, a medium and a product, and relates to the technical field of water resource evaluation and ecological environment protection. The method comprises the following steps: acquiring information data of a target research area; screening symbolic characteristic parameters of the information data by adopting a statistical analysis method and geochemical diagrams to obtain screened information; based on the law of conservation of mass and the end member mixing theory, a multivariate mixing model is constructed according to the screening information; solving the multivariate mixed model by adopting a least square method to obtain a mixing ratio; the mixing ratio is used for analyzing spatial distribution characteristics of the mixing process of the high-arsenic hot spring and the surface water in combination with water flow path survey information; and determining the replenishment resource quantity of the high-arsenic hot spring according to the mixing proportion. The method aims at improving the accuracy and efficiency of determining the surface water resource quantity supplied by the high-arsenic hot spring.

A method for separating a fluorocarbon gas, the method including feeding a mixed gas that includes two or more kinds of fluorocarbon gases having different molecular diameters from each other to a porous membrane and separating a gas composition in which a mixing ratio of one kind of a fluorocarbon gas selected from the two or more kinds of fluorocarbon gases is increased or a single gas, where the porous membrane includes a zeolite.

The application relates to the field of concrete mixing ratio experiments, in particular to a mixing ratio experiment device and method for ultra-high performance concrete, which comprises a round mold, a feeding cylinder, a limiting assembly, a baffle, a driving assembly, a mounting plate, a knocking hammer, a knocking assembly and a bottom plate. The limiting assembly is used for quickly locking the feeding cylinder and the round mold through cooperation of a pull rod, a spring, a rotating disc, a driving groove, a driving rod and a limiting block; the driving assembly is used for driving the baffle to be synchronously opened and closed through transmission of a knob, a first rotating rod, a cone wheel set and a threaded rod, so that mechanical scraping is realized; and the knocking assembly is used for realizing alternate knocking of the round mold through linkage of a rotating handle, a third rotating rod, a push block, a connecting rod and the knocking hammer. The application has the advantages of convenient assembly and disassembly, reliable sealing, accurate scraping, high efficiency and the like, effectively eliminates bubble interference and human errors, and improves the accuracy, reliability and operation efficiency of the slump experiment of the ultra-high performance concrete.

The utility model discloses a gas state monitor for displaying the mixing ratio of mixed gas, which relates to the technical field of electric power and comprises a body and a connector, the body comprises a shell, a gas state detection component and an intelligent processing unit, the gas state detection component and the intelligent processing unit are mounted in the shell, and the connection direction of the connector is the side wall or the rear part of the shell. One end of the connector is connected with the gas state detection assembly, the gas state detection assembly is electrically connected with the intelligent processing unit, and the intelligent processing unit is used for carrying out data processing on the gas characteristics of the mixed gas detected by the gas state detection assembly and obtaining the mixing ratio of the mixed gas; and the intelligent processing unit can output the obtained mixing ratio data of the mixed gas. According to the utility model, the mixed gas density and the mixed gas mixing ratio can be monitored, and the safe operation of a power grid is ensured.

The invention provides a performance adjusting method and system for a mixing ratio continuously adjustable steam generator, and belongs to the technical field of liquid rocket engine tests. According to the method, a mapping model of the mixing ratio, flow and steam parameters is established, a reference working medium is selected to be kept constant, and non-reference working medium flow is calculated to achieve mixing ratio stepless adjustment; the mixing ratio is kept stable through differential pressure closed-loop control; independently adjusting the water working medium to correct the steam temperature; and the optimal mixing ratio is searched in a steady state. Stepless continuous adjustment of the mixing ratio and decoupling control of the total flow of a working medium are achieved, and the problem that traditional grading adjustment is insufficient in precision is solved. The influence of pipeline resistance fluctuation is eliminated through a pressure difference closed loop, and the stability of the adjusting process is guaranteed; independent temperature adjustment of the water working medium avoids mutual interference with the mixing ratio, and the steam quality is improved; and the combustion efficiency and the system performance are remarkably improved through the steady-state optimization function.

The invention provides a method and equipment for determining the proportion of multiple fused salt components, a medium and a product, and relates to the technical field of fused salt materials. The method comprises the following steps: determining a plurality of pure components forming the multi-element molten salt, and determining an interaction coefficient between any two pure components; determining a plurality of mixing ratios of the multi-element molten salt based on the plurality of pure components; and based on the multiple mixing ratios and the interaction coefficient between any two pure components, respectively determining melting enthalpies corresponding to the multiple mixing ratios, and determining the mixing ratio with the maximum melting enthalpy in the multiple mixing ratios as the component ratio of the multi-element molten salt. According to the method, the melting enthalpy error caused by the interaction of anions in the molten salt system is corrected through the interaction of different pure components, rapid prediction of the melting enthalpy of the multi-element mixed molten salt is achieved, the prediction precision of the melting enthalpy is remarkably improved, and the method is suitable for the complex multi-element mixed molten salt system.

This utility model relates to the field of mining engineering equipment technology, and in particular to an intelligent control device for mine filling. It includes a base, a main control box fixedly connected to the top of the base, and two conveying barrels mirror-distributed around the main control box. Flange pipes communicating with the inner walls of the two conveying barrels are fixedly connected to the tops of the two conveying barrels. Flow meters are fixedly connected to the inner walls of the flange pipes. A mixing tank is installed on the outer wall of the base, and a stirring rod is rotatably connected to the inner wall of the mixing tank. A liquid level sensor is fixedly connected to the inner wall of the mixing tank. The flow meter collects the material conveying volume of the main material bin and the auxiliary material bin in real time. The controller automatically compares the actual conveying ratio with the set value, avoiding the mixing ratio error caused by manual observation of material level and manual speed adjustment, ensuring that the ratio of main material to auxiliary material remains stable within a reasonable range. A concentration sensor monitors the mixing state of the filling slurry in the mixing tank, ensuring the basic quality of the filling slurry and improving the strength stability of the filling material.

The invention discloses a method and a system for calculating the mixing proportion of multi-end-member water mass mixed particles. The method comprises the following steps: calculating the contribution proportion of each water mass end member of a mixing area by adopting an isotope mixing model; generating initialization information of a multi-end-member water mass mixed particle model by using the delta < 18 > O and salinity of each end member and derivative information; based on the contribution proportion and the initialization information, constructing a multi-end-member water mass mixed particle model; simulating a simulated delta < 18 > O-salinity linear relation of a mixing area under all iterative mixing proportion combinations based on a multi-end-member water mass mixed particle model; and calculating the mixing ratio of each end member by comparing the simulated delta 18O-salinity linear relationship with the actual delta 18O-salinity linear relationship. According to the method, the multi-end-member water mass mixed particle model is constructed, and iterative calculation and fluctuation simulation are combined, so that accurate quantification of a water mass mixing ratio and quantitative analysis of mixing sufficiency are realized.

This application relates to a method, system, terminal, and medium for producing lightweight aggregates based on hazardous waste, belonging to the field of hazardous waste treatment technology. The method includes: obtaining information on the type of hazardous waste; pre-treating the hazardous waste according to the type information to obtain waste to be processed; collecting the chemical composition and elemental content of the waste to be processed; generating a mixing ratio and an auxiliary material ratio based on the chemical composition and elemental content, using a preset processing standard as a reference; mixing the waste to be processed according to the mixing ratio, and adding auxiliary materials according to the auxiliary material ratio to form a mixed waste; and sintering the mixed waste to obtain lightweight aggregates. This application has the effect of improving the sintering effect of lightweight aggregates.

The application relates to the technical field of industrial control, and discloses a control method for hydrogen production from natural gas, which comprises the following steps: obtaining historical correlation information and real-time process parameters of raw material natural gas; determining a load prediction result of the raw material natural gas based on the historical correlation information; determining a target mixing ratio of steam and carbon and an actual mixing ratio of steam and carbon according to the real-time process parameters and the load prediction result; generating a feedforward control signal according to the load prediction result; generating a feedback control signal according to the deviation between the target mixing ratio and the actual mixing ratio; superimposing the feedforward control signal and the feedback control signal into a target control signal, and adjusting a steam pipeline and a fuel gas pipeline according to the target control signal. Through the technical scheme, the problems of control lag of the mixing ratio of steam and carbon and low hydrogen production efficiency in the related art are solved, the timeliness of the control of the mixing ratio of steam and carbon is improved, and the hydrogen production efficiency is improved.

The present application relates to a kind of verification method and device of mixed gas density relay with humidity detection function, belong to density relay verification technical field, solve the problem that humidity and gas mixing ratio cannot be detected simultaneously when carrying out density relay verification in existing.The method comprises: in the verification chamber, fill mixed gas to pressure balance;The verification chamber is cooled by refrigeration, the actual pressure in the verification chamber, actual temperature, the light energy value of light after the action of the verification chamber, and the measured pressure read by the pressure sensor of density relay;During the cooling process, the pressure sensor of density relay is verified by comparing actual pressure and measured pressure;The humidity detection and mixing ratio detection of mixed gas in the verification chamber are carried out in turn by monitoring the multiple change rates of light energy value.Various tasks are integrated, and the comprehensive operation and maintenance efficiency is improved.

The utility model provides an acid mixing system for improving DHF concentration stability, which comprises a mixing tank used for mixing a first solution and a second solution; one end of the first supply pipeline is connected with a first solution source, the other end of the first supply pipeline is connected to the mixing tank, a first valve and a first flow meter are arranged on the first supply pipeline, and the first solution flows through the first flow meter and then flows through the first valve; one end of the second supply pipeline is connected with a second solution source, the other end of the second supply pipeline is connected to the mixing tank, and a second valve and a second flow meter are arranged on the second supply pipeline; and the feedback control module is used for receiving a flow signal monitored by the first flow meter and controlling the opening degree of the first valve according to the flow signal. The feedback control module receives a flow signal of the first flow meter and controls the opening degree of the first valve, so that the flow of the first solution is accurately regulated and controlled, the mixing proportion change is reduced, and the DHF concentration stability is remarkably improved.

The invention relates to a quantitative evaluation method for in-source pyrolysis gas and out-of-source pyrolysis gas, which comprises the following steps: firstly, respectively establishing mathematical models for describing changes of two gas products along with geological evolution; secondly, an analysis chart of gas composition under different mixing ratios is constructed based on the mathematical model result; and finally, projecting actually measured gas sample data onto the analysis chart, namely determining the proportion of the two types of source gases, and completing quantitative evaluation of the in-source pyrolysis gas and the out-source pyrolysis gas. According to the method, a dynamic evolution model reflecting geological history is constructed to replace a traditional static model, and a gas source contribution proportion identification chart is generated based on the model. Quantitative analysis can be completed through actual measurement data plumbing, the limitation of a traditional method is overcome, and the accuracy and reliability of identification are improved.

The application discloses a component-controllable simulated moon soil preparation method based on thermal phase change and belongs to the technical field of moon soil simulation material preparation.The application realizes controllable adjustment of the content of main mineral phases (plagioclase, pyroxene, olivine and amorphous phase) through thermal melting and crystallization processes, and determines the mixing ratio in combination with a nonlinear programming model, so that the simulated moon soil is highly similar to the target moon soil in terms of mineral phase composition, microstructure, optical performance and thermal performance.The method provides a high-fidelity simulation material with adjustable components for the ground experiment of ISRU technology (such as sintering, metallurgy and in-situ 3D printing), and solves the problem that the traditional simulation material preparation method cannot perform fine component factor test design in the related technical research process.

This invention belongs to the field of mineral processing and chemical technology. It provides an economic prediction method and related equipment for the co-production of hydrofluoric acid from multiple grades of fluorite. The method includes: determining a benchmark model between the production cost and yield of hydrofluoric acid from each grade of fluorite concentrate based on CaF2 content and impurity content; constructing an interaction effect model for the co-production of hydrofluoric acid from multiple grades of fluorite concentrate based on the mixing ratio of the multiple grades and the benchmark model; constructing an objective function for maximizing the economic benefits of hydrofluoric acid based on the selling price of hydrofluoric acid and the interaction effect model; and solving the objective function using a nonlinear programming algorithm to obtain the mixing ratio of the multiple grades of fluorite concentrate when the economic benefits of hydrofluoric acid are maximized. This invention provides a systematic method for quantifying the relationship between fluorite concentrate grade and the production cost and product value of hydrofluoric acid, thereby improving the economic efficiency of the co-production of hydrofluoric acid from multiple grades of fluorite.

The present application relates to a kind of verification and calibration method of gas concentration, comprising the following steps: trace gas is mixed with diluent gas according to predetermined proportion, and the mixed gas is sampled;The concentration of trace gas in the sampled mixed gas is measured by gas chromatograph calibrated by standard curve;The predetermined proportion of the mixture is modified, and the concentration of trace gas in the modified mixed gas is repeatedly measured;The measured concentration of trace gas before and after modification is linearly fitted with the corresponding mixing ratio, to calculate the concentration of trace gas when the diluent gas in the mixed gas is zero;The calculated concentration of trace gas is compared with the concentration of trace gas given by the manufacturer, to calculate correction factor, and the present application also relates to a kind of verification and calibration device of gas concentration, using a kind of verification and calibration method and device of gas concentration can verify and calibrate the concentration of trace gas given by the manufacturer.

The present application relates to the technical field of frost heaving data analysis, in particular to a method for testing the performance of sodium lignosulfonate solution modified soil in inhibiting frost heaving deformation, comprising: obtaining the combined form of the admixture and the mixing ratio of each component of each group of proportioned soil samples during soil modification, and constructing a proportioning data set; setting a frost heaving amount change curve and the trend characteristics of the frost heaving amount change curve according to the composition and mixing ratio of the admixture combination in the proportioning data set. Based on the set admixture combination form and mixing ratio, the correlation between each group of admixtures and the frost heaving amount is obtained, and the effective mixing amount interval during the adjustment of each admixture is demarcated. Based on the obtained effective mixing amount interval, cross analysis is performed on each admixture combination according to the frost heaving amount and trend characteristics of each admixture, and the target combination with the optimal frost heaving inhibition effect is demarcated; based on the obtained target combination, the output admixture proportioning scheme is adjusted according to the corresponding scene of the freezing condition; the pertinence and treatment effect of the frost heaving analysis are realized.

The utility model relates to gas mixing equipment technical field, and disclose a kind of adjustable and controllable mixing device of co2 and air, including mixing cavity: the one end upside of the mixing cavity is fixedly connected with air inlet pipeline, the middle position of the mixing cavity is provided with main shaft, the outer surface of the main shaft is rotatably connected with the inside of mixing cavity, the one end downside of the mixing cavity is rotatably connected with rotating shaft, the outer surface of the rotating shaft is fixedly connected with gear two, the one end outer surface of the main shaft is fixedly connected with gear one. This kind of adjustable and controllable mixing device of co2 and air, through the flowmeter and regulating valve being set on branch pipe one and branch pipe two, the input amount of co2 and air can be effectively monitored, and then the mixing ratio of subsequent is controlled, satisfy the diversification requirement of mixed gas concentration in different fields, while co2 and air inside the mixing cavity are fully mixed, the uniformity of mixed gas is improved, and the quality of mixed gas is guaranteed.

The application discloses an optimization method and device for determining a mixing ratio of target crude oil, and the method is as follows: macroscopic physical property data of the target crude oil is acquired; a plurality of crude oil samples similar to the target crude oil are searched in a crude oil database; a mixed integer nonlinear programming method is used to determine the mixing ratio of the plurality of crude oil samples; the plurality of crude oil samples are mixed into blending crude oil according to the mixing ratio, and molecular composition data of the blending crude oil is determined; the macroscopic physical property data of the blending crude oil is determined according to the mixing ratio and the molecular composition data of the blending crude oil; the mixing ratio is adjusted according to the difference between the macroscopic physical property data of the blending crude oil and the macroscopic physical property data of the target crude oil until the difference reaches the minimum; and the mixing ratio of the plurality of crude oil samples in the adjusted blending crude oil is acquired as the mixing ratio of the target crude oil. The method can quickly and accurately determine the mixing ratio of each molecule of the target crude oil, and provides technical support for subsequent production processes.

The utility model relates to the technical field of flexibilizer production, and discloses a flexibilizer producing and manufacturing storage device which comprises a mixing box and supporting legs fixedly installed at the positions, close to the four corners, of the bottom of the mixing box respectively, and a fixing frame is fixedly installed in the middle of the top of the mixing box. Storage boxes are fixedly installed on the left side and the right side of the top of the fixing frame correspondingly, and rectangular discharging pipes are fixedly installed at the positions, close to the rear sides, of the bottoms of the storage boxes in a penetrating mode correspondingly. According to the feeding device, the material baffle can be driven to move back and forth, so that the material baffle indirectly moves back and forth in the inner cavity of the rectangular discharging pipe, raw materials in the storage boxes on the two sides can be indirectly discharged, the discharging amount can be controlled, the situation that the matching effect is affected due to one-time adding is avoided, and meanwhile the effect and efficiency of follow-up mixing production are improved.

This invention provides a method and system for precise control of the mixing ratio of precursor gases in a vapor deposition furnace, relating to the field of vapor deposition technology. The method includes the following steps: S1: Pre-treatment and purity detection of precursor gases; S2: Establishment of a precursor gas property parameter database; S3: Real-time acquisition of vapor deposition furnace operating data; S4: Initial calculation of the mixing ratio based on multi-algorithm fusion; S5: Dynamic mixing of precursor gases; S6: Mixing ratio feedback correction based on PID-Kalman filtering; S7: Monitoring of anomalies in the mixing process; S8: Anomaly handling and recovery; S9: Closed-loop optimization of the deposition process. This invention achieves precise and stable control of the mixing ratio by dynamically correcting gas property parameters, multi-objective collaborative optimization of the mixing ratio, noise-suppressed feedback correction, and hierarchical anomaly handling, ensuring the consistency and reliability of thin film deposition quality.

This invention belongs to the technical field of fluidization characteristics research for particles in fluidized beds, and discloses a device and method for precisely controlling humidity in wet particle fluidization characteristics research. The device includes a blower mechanism, an air path structure, a fluidized bed, a humidification mechanism, a flow detection component, a flow control component, a data acquisition component, and a control mechanism. The air path structure divides the compressed air generated by the blower mechanism into two paths. One path is humidified by the humidification mechanism, and the two gas paths are mixed into one path before entering the fluidized bed. The flow detection component acquires the flow rates of the two gas paths, the data acquisition component acquires temperature, humidity, and pressure difference data within the fluidized bed, and the control mechanism adjusts the opening of the flow control component using positive feedback based on the data acquired by the data acquisition component to control the mixing ratio of the two gas paths. This invention achieves precise humidity control within the fluidized bed through positive feedback adjustment, enabling quantitative research on the impact of humidity on particle fluidization characteristics.

The present application relates to the technical field of material testing and engineering durability evaluation, and particularly relates to a method for predicting the service life of a aqueduct concrete. The method comprises the following steps: obtaining the mixing ratio, aggregate and environmental parameters, generating unified configuration parameters through test preparation, parameter solidification and terminology management; performing multi-field coupling loading and full-process recording to generate a time slice index table with spatial mapping relationship; performing synchronous measurement, extracting the correlation characteristics of micro-pore evolution and macro-permeability decay, and constructing a permeability and pore characteristic parameter set; finally, through model training and feature mapping and weight adjustment processing from the laboratory to the field, the laboratory model is migrated to the field scene and a durability evaluation report containing maintenance recommendations is generated. The present application solves the problems of disconnection between micro-pores and macro-performance, and large deviation between laboratory and field data, significantly improves the accuracy and engineering applicability of life prediction, and provides a reliable basis for aqueduct maintenance.

A method includes introducing a first material component having a first permittivity and a second material component having a second permittivity to a mixing unit. The first and second material components are advanced through the mixing unit at a mixing ratio to form a material component mixture that is dispensed from the mixing unit. A third permittivity of the material component mixture, which is related to the first permittivity, the second permittivity, and the mixing ratio, is determined. The third permittivity is compared to a predetermined permittivity, which is related to the first permittivity, the second permittivity, and a predetermined mixing ratio. If the third permittivity differs from the predetermined permittivity by a threshold limit or more than the threshold limit, a corrective response is generated.

The utility model discloses a kind of multi-liquid mixing devices, comprising: multi-channel selector valve group, gas source and several parallelly arranged liquid bottles, the liquid inlet of several liquid outlet pipes respectively embeds in corresponding liquid bottle, and the liquid outlet of liquid outlet pipe is located above measuring cup;Water drop counting sensor is located between the liquid outlet of liquid outlet pipe and measuring cup;A pressure sensor is located between the multi-channel selector valve group and gas source, and the gas outlet of the gas outlet pipe connected with liquid bottle is located above liquid level in liquid bottle, and the liquid inlet of liquid outlet pipe is located below liquid level in liquid bottle;The outlet of mixing cup located below measuring cup is connected with the inlet of a multi-way valve, and the outlet of the multi-way valve is connected with mixing cup by a liquid discharge pipe.The utility model multi-liquid mixing device can accurately mix multiple liquids, and the mixing ratio remains stable after long-term repeated use, avoids mutual contamination between multiple liquids, has no liquid interference, and has low cost and low failure.

A method for separating a fluorocarbon gas including feeding a mixed gas that includes two or more kinds of fluorocarbon gases having different molecular diameters from each other to a porous membrane and separating a gas composition in which a mixing ratio of one kind of a fluorocarbon gas selected from the two or more kinds of fluorocarbon gases is increased or a single gas, where the porous membrane includes organosilica.

The invention relates to a system (1) for detecting molecular hydrogen in a gas, wherein the system (1) comprises the following components: - A gas inlet (10) for sampling gas, - A gas dryer (2), configured to remove water from the gas - A vacuum section (3) configured to maintain gas at a gas pressure at or below 100 mPa, - A mass spectrometer (4) configured to determine a volume mixing ratio of molecular hydrogen in the gas comprised in the vacuum section (3), - A first vacuum pump (5-1) configured to generate the gas pressure in the vacuum section (3), characterized in that the gas dryer (2) is arranged between the gas inlet (10) and the vacuum section (3), wherein the gas dryer (2) is configured to reduce a water mixing ratio in the gas below 3000 ppm.

The invention relates to the technical field of frost heaving data analysis, in particular to a sodium lignin sulfonate solution modified soil body frost heaving deformation inhibition performance experimental method, which comprises the following steps: obtaining an admixture combination form and an admixture ratio of each component of each group of proportioning soil body samples during soil body modification, and constructing a proportioning data set; and setting a frost heaving amount change curve and a trend characteristic of the frost heaving amount change curve according to the composition and the doping ratio of the doping agent combination in the proportion data set. Based on the set admixture combination form and the admixture ratio, the correlation between each group of admixtures and the frost heaving amount is obtained, and the effective admixture amount interval of each admixture during adjustment is delimited. On the basis of the obtained effective mixing amount interval, according to the frost heaving amount and trend characteristics of each mixing agent, cross analysis is carried out on each mixing agent combination, and a target combination with the optimal frost heaving inhibition effect is delimited; on the basis of the obtained target combination, according to a scene corresponding to the freezing condition, adjusting an output admixture proportioning scheme; the pertinence and the treatment effect of frost heaving analysis are realized.

The present invention relates to a method, a computing unit (R), and a mixing device (M) for calculating a set of result data (331) regarding the composition of a dialysis fluid (df) to be mixed with multiple components based on a calculation model (BM) for the conductivity of the dialysis fluid. The method comprises the following steps: - reading (51) a set of mixing ratio data (311) representing a mixing ratio of at least one component A, component B, and a third component; - detecting (52) component parameters, including a first substance concentration parameter, particularly representing the concentration of salts in component A, and a second substance concentration parameter, particularly representing the concentration of salts in component B; - calculating (53) the resulting set of result data (331) regarding the composition of the dialysis fluid, the result data set including a description of the substance concentrations in the dialysis fluid based on the calculation model (BM) and a description of the expected value of the conductivity of the dialysis fluid.

The invention provides a direct-current GIL gas multi-parameter coordinated regulation and control method at different temperatures, and the method comprises the following steps: obtaining direct-current gas insulated metal-enclosed transmission line gas multi-parameter performance indexes at different temperatures, and optimizing the indexes to obtain optimized indexes, each optimization index is converted into a score according to the SF6 / N2 mixing proportion and the air pressure range in the direct-current gas insulated metal-enclosed transmission line, the optimization indexes are endowed with weights, the comprehensive score of each optimization index is calculated, the optimal SF6 / N2 mixing proportion and the air pressure range are determined according to the comprehensive scores, and the optimal SF6 / N2 mixing proportion and the air pressure range are determined according to the optimal SF6 / N2 mixing proportion and the air pressure range. And multiple parameters of the direct-current GIL gas at different temperatures are cooperatively regulated and controlled. A gas configuration scheme in a wide temperature range is considered, the characteristics of the insulating gas are obtained in the wide temperature range from-40 DEG C to 80 DEG C, and the proposed gas configuration scheme is suitable for different temperature regions.