732results about "Material weighing" patented technology

The invention belongs to the technical field of TG-DSC testing of metal powder materials, and particularly relates to an anti-oxidation high-precision TG-DSC testing method of high-temperature alloy powder, which comprises the following steps: placing the high-temperature alloy powder in a furnace body of a TG-DSC instrument, carrying out high-purity argon replacement on the atmosphere in the furnace body by taking high-purity argon as furnace body purging gas, and carrying out high-purity argon replacement on the atmosphere in the furnace body; the initial oxygen content in the furnace body is reduced to 0.1 ppm or below; continuously introducing hydrogen-argon mixed gas as flowing gas into the furnace body, controlling the temperature of the furnace body to be increased to a target temperature, and ending the test to obtain a TG curve and a DSC curve of the to-be-tested high-temperature alloy powder; according to the invention, through physical cleaning of oxygen in the furnace body by circulating vacuumizing before testing and chemical cleaning of oxygen permeating into the furnace body by hydrogen-argon mixed gas in the whole process in the testing process, a dual anti-oxidation barrier is constructed, so that oxidation weight increment and oxidation heat release interference of a powder sample are eliminated fundamentally; therefore, the real mass change and the heat flow signal change of the alloy powder sample in the temperature programming process can be accurately measured.

The invention belongs to the field of dust production characteristic research of coal mining machines in coal mines, and relates to a device and method for researching coal breaking dust production characteristics of cutting picks, the device comprises a dustproof shell, a coal sample restraint device, the cutting picks, a counterweight and lifting system, a pressurization system and the like, and the dust production amount and particle size distribution are accurately measured by simulating the coal breaking process of the cutting picks under different working conditions. The experiment method comprises the steps of sample preparation, device arrangement, experiment operation, data acquisition and processing and the like, and the experiment accuracy is ensured by utilizing the secondary impact prevention lock. According to the method, dust production influence factors can be effectively analyzed, a dust generation mechanism is disclosed, a basis is provided for coal cutter design and operation parameter optimization, an effective dust control strategy is formulated, and an operation environment is improved.

The invention discloses a dry-method electrode film rolling compounding method and dry-method electrode film rolling equipment. The method comprises the following steps: leading out a current collector film from an unpowered unreeling shaft, forming a suspension arc by virtue of self weight, and penetrating through a first roller gap; synchronously unrolling the two dry-method electrode films in an unpowered manner, so that the two dry-method electrode films enter the first roller gap in a self-weight overhanging state and are attached to the two surfaces of the current collector film to form an initial complex; coating the outer side of the initial complex with an isolating membrane to obtain a to-be-heated complex, and enabling the to-be-heated complex to enter a second roller gap after the to-be-heated complex is overhung by self weight; the to-be-heated composite body is subjected to hot-pressing compounding through compounding rollers on the two sides of the second roller gap; and then stripping the isolating membrane and rolling the double-sided dry-method pole piece. According to the method, near-zero tension conveying is achieved through natural suspension, and by matching with isolation film wrapping and one-time double-face pressing of the hot-pressing roller, edge micro-cracking and whole belt breakage of the dry-method electrode film can be effectively avoided, and the interface density and the roll-to-roll production yield are improved.

The invention provides a bituminous coal caking index full-process detection system based on a mechanical arm and a use method thereof, which can realize the operation of the whole bituminous coal caking index detection process from blanking weighing to crucible testing and then cleaning and recycling through the mechanical arm, and can liberate laboratory technicians from a tedious, monotonous and harmful working environment. And intelligent, unmanned, specialized, technical and standardized caking index detection and inspection service is realized. The system comprises a blanking weighing module used for placing quantitative samples into a crucible; the bonding pre-treatment and post-treatment module is used for treating samples before and after coking; the high-temperature furnace module is used for performing high-temperature coking treatment on the sample; the mechanical arm is used for clamping a crucible or a crucible holder and circulating among the blanking weighing module, the bonding pretreatment and aftertreatment module, the high-temperature furnace module, the bonding rotary drum tester module, the cooling module and the cleaning module.

A baler implement includes a main frame, a baling chamber, a compressing member, a first input assembly, a second input assembly, a weight sensor, and a baler controller. The compressing member compresses the bale within the baling chamber. The first input assembly senses data related to variable dimension of the bale. The second input assembly senses data correlated to a dry matter density of the bale. The weight sensor sense data related to a total weight of the bale in the baling chamber. The baler controller receives the signal indicative of the total weight of the bale from the weight sensor, calculates a moisture weight of the bale based on a numerical difference between the total weight of the bale and a dry matter weight of the bale, and communicates the moisture weight of the bale to a communicator.

The invention discloses soil component detection equipment for digital intelligent forestry planting, and relates to the technical field of soil component detection, the soil component detection equipment comprises a lower shell and a mounting block, one side of the lower shell is rotatably connected with an upper shell, the other side of the lower shell and the top of the upper shell are respectively provided with a first handle, and the lower shell is internally provided with a printer and a plurality of detection holes; and a detection box is inserted into the detection hole. According to the soil component detection equipment for digital intelligent forestry planting disclosed by the invention, a fixed plate and a mounting seat are rotated clockwise, a sampling rod is driven by a thread to drill into soil, the mounting seat is rotated clockwise, a scraping plate is rotated through a linkage rod, and the mounting seat is rotated to drive the sampling rod to rotate anticlockwise for three circles; a soil sample is scraped into a rotating cylinder through a scraping plate, then a mounting seat and a sampling rod are rotated anticlockwise, so that an abutting block slides into a sliding groove, the interior and the exterior of the rotating cylinder are isolated, the sampling rod is pulled out of soil, and the effect of extracting multiple layers of soil samples at a time is achieved.

The invention discloses a Mars soil simulant performance evaluation method based on spectrum-mechanics combined characterization, which comprises the following steps: acquiring surface soil chemical components and physical and mechanical reference data of a target Mars area, taking basalt, magnetite and hematite as raw materials, solving the optimal mass ratio by adopting an optimization algorithm, and preparing a sample. Then, systematic spectrum characterization is carried out on the sample, and components and spectrum characteristic data of the sample are obtained; and meanwhile, carrying out physical and mechanical property test on the sample to obtain mechanical property data. Further, spectrum and component data serve as independent variables, mechanical data serve as dependent variables, an associated data set is constructed, the influence weight is analyzed, and a component-structure-performance quantitative relation is established. And finally, based on all the data and the internal association thereof, calculating the comprehensive similarity between the simulant and the real Mars soil, and generating a comprehensive performance evaluation report. According to the method, multi-dimensional and standardized quantitative evaluation of chemical, mineral and mechanical properties of the Mars soil simulants is realized.

The invention relates to the technical field of gas analysis, in particular to a determination method for detecting impurity elements in chlorine-nitrogen mixed gas by an ICP-MS (Inductively Coupled Plasma Mass Spectrometry) method. The invention establishes an analysis method for determining the contents of eight elements including iron (Fe), chromium (Cr), copper (Cu), zinc (Zn), nickel (Ni), sodium (Na), cadmium (Cd) and phosphorus (P) in chlorine-nitrogen mixed gas by an ICP-MS (Inductively Coupled Plasma Mass Spectrometry) method. By optimizing ICP-MS analysis conditions and a sample pretreatment process and adopting an electronic-grade solvent to leach elements, rapid and accurate detection and high reproducibility of the impurity content in the chlorine-nitrogen mixed gas are realized. The method can be applied to quality control and analysis in the production process of a chlorine-nitrogen mixed gas product, and lays a foundation for establishing a standard of a chlorine-nitrogen mixed gas analysis method.

The invention is suitable for the application field of electrolyte acidity determination, and provides a method for determining the acidity of an all-vanadium electrolyte based on a complexing mass difference method, and the method comprises the following steps: taking the all-vanadium electrolyte, and diluting the all-vanadium electrolyte into a pretreated all-vanadium electrolyte with the concentration of 0.05-0.1 mol / L; adding 1.5-2mL of a complexing masking reagent with the molar concentration of 1.5-2mol / L, weighing, and recording as M1; stirring and titrating, weighing and recording as M2; a quantitative determination method of mass difference is used for calculation, and the formula is {(M2-M1)-0.05} / A * C. In conclusion, a mass difference quantitative determination method is adopted, the vanadium complexing masking reagent is added, the adding amount and the pH value of the vanadium complexing masking reagent are controlled, a stable complex is formed through the complexing masking reagent, vanadium ions and impurity ions, the oxidation-reduction reaction and the precipitation reaction of the complex and sodium hydroxide are inhibited, and the accuracy of the acidity value of the all-vanadium electrolyte is improved.

The invention provides a debris flow geological disaster prevention and control device, system and method. The debris flow geological disaster prevention and control device comprises a base, a connecting base and a supporting beam, a fixed interception dam and an interception dam located on one side of the fixed interception dam are connected through the supporting beam, and the end face, away from a hydraulic cylinder, of a movable interception dam is fixedly installed on the end face of the fixed interception dam; the movable interception dam is made of a flexible material, and a double-layer prevention and treatment net is fixedly mounted on the movable interception dam; the inlet end of the overflow assembly is located between the movable interception dam and the prevention and control net. The outlet end of the overflow assembly penetrates through the fixed intercepting dam, and a spray head of the overflow assembly extends out of the fixed intercepting dam. The debris flow solid weight is obtained, the specific numerical value of the debris flow solid weight is obtained, the debris flow property is judged according to the debris flow solid weight content, then the prevention and treatment device is designed according to the debris flow property, and the overall protection and interception capacity of the prevention and treatment device is improved.

The invention discloses an ice crystal field uniformity measuring device and method, and belongs to the technical field of ice crystal tests. The problem that in the prior art, the uniformity and stability effects of an ice crystal field are poor is solved. According to the technical scheme, the ice crystal field uniformity measuring device is calibrated; the side face of a frame of the ice crystal field uniformity measuring device is tightly attached to one side of the test section area, an external weighing sensor is used for measuring the mass of collecting bags on the two sides of the tested ice crystal nozzles, and the effective covering diameter of the single tested ice crystal nozzle is solved through drawing; according to the axial distance of the tested ice crystal nozzles, the width X of the ice crystal field test area and the height Y of the ice crystal field test area, the tested ice crystal nozzles are arranged, and ice crystal distribution of the test section area is guaranteed. The device is used for measuring the effective coverage diameter of the ice crystal jetted by the single ice crystal nozzle in the test area and the uniformity of the ice crystal field, the arrangement mode and the arrangement distance of the ice crystal nozzles can be adjusted according to the effective coverage diameter of the single ice crystal nozzle, and the coverage area of the ice crystal field in the test area is increased.

The invention discloses an indoor test device and a test method for simulating soil-structure interface seepage erosion, and belongs to the field of hydraulic structure and interface seepage damage simulation. The device comprises a seepage chamber, a structural interface module, a test soil body, a graduated scale, a pressure measuring pipe, a particle filter sieve, a drainage funnel, a water receiving container, a weighing device, a water supply tank, a water storage tank 19, a variable-height bracket and a water pump. The device adopts a double-outlet design to respectively measure the seepage flow at the soil body and the interface, and is matched with the four pressure measuring pipes to monitor the water pressure change at different positions in real time, so that the interface seepage characteristics can be accurately obtained, and the test error is effectively reduced. The three side faces of the seepage chamber are covered with the flexible rubber films and coated with vaseline, it is ensured that the seepage channel is only formed in the preset structural face, interference of the boundary effect on the test result is avoided, and the test precision is improved.

The present invention discloses an unpowered automatic runoff and sediment monitor, comprising a weighing hopper and a weighing sensor. The monitor also includes a housing, one end of the weighing sensor being fixed to one side of the housing, and the weighing hopper being suspended below the other end of the weighing sensor via a hanger. An overflow port is provided on one side of the weighing hopper. A water tank is fixed to the top of the housing, an inlet communicating with the water tank is provided on the upper cover of the housing, and a water outlet is provided on the bottom of the water tank, located above the weighing hopper. A flip bracket and a double-trough hopper are hingedly connected to the housing, a reversing chute is fixed to the upper end of the support arm in the middle of the flip bracket, and a first water trough and a second water trough are fixed to either side of the flip bracket. The double-trough hopper has two triangular water troughs, each of which automatically rotates after receiving a certain amount of runoff, thereby switching to the other water trough to receive the runoff. The monitor can automatically measure sediment volume without the need for external power supply, making it suitable for field environments without a power grid.

The invention provides a dry-wet cycle test device and method for sandy loess, and belongs to the technical field of dry-wet cycle test of loess. The sandy loess dry-wet cycle test device comprises a base and a rack, the rack is fixedly installed on the surface of the base, a test mechanism is installed on the surface of the base and used for detecting the moisture content of loess, the test mechanism comprises a base, a sample barrel, a first motor and a support, the base is fixedly installed on the surface of the base, and a test table is rotatably installed in an inner cavity of the base and used for detecting the moisture content of the loess. The sample cylinders are symmetrically installed in an inner cavity of the test board and used for storing loess samples. By arranging the testing mechanism, a loess sample is put into the two sample cylinders, the sample cylinders are sequentially put into the testing table, the testing table can be driven to rotate through the first motor, so that the two sample cylinders are converted, and when the sample cylinders rotate to the bottom of the support, the moisture tester can be driven to descend through the telescopic rod and is inserted into the loess sample, so that the loess sample can be detected. The water content of the loess samples is detected, alternate detection of the loess samples is achieved, and the detection efficiency is improved.

The invention relates to the technical field of battery diaphragm detection, and discloses a battery diaphragm performance detection all-in-one machine and a detection method thereof.The battery diaphragm performance detection all-in-one machine comprises a main machine shell, a main supporting plate and a supporting frame are arranged in the main machine shell, the supporting frame is located below the main supporting plate, and an adsorption positioning platform for supporting and positioning a diaphragm is arranged on the main supporting plate; a vacuum negative pressure pump set is further arranged in the main machine shell. A transplanting mechanism is arranged on the supporting frame and comprises a first transverse linear module arranged on the supporting frame, a transplanting disc capable of being driven by the first transverse linear module to linearly move left and right is arranged on the first transverse linear module, and a vacuum pump set and an electric lifting push rod set are arranged on the transplanting disc. According to the invention, the cutting mechanism, the surface density detection module and the air permeability detection module can be integrated together, and through special adaptation to the battery cell diaphragm, the diaphragm sample can smoothly and stably operate in each device and is not easy to wrinkle, so that the detected data has reliability.

A method for inverting true mass content of water ice in lunar soil using a lunar soil water molecule analyzer (LSWMA) includes: obtaining weight data of a lunar soil sample, temperature data of a sample receiving container that receives the lunar soil sample, and duration of a transfer process of the lunar soil sample; obtaining measurement data of total pressure of the water vapor; calculating a sublimation loss based on a sublimation rate and the duration of the transfer process, and estimating a relative sublimation loss rate; correcting the measurement data of the total pressure of the water and obtaining true pressure data of the water vapor; and calculating, based on the true pressure data of the water vapor, mass of the water vapor, and further calculating mass content of water ice in lunar soil.

The utility model discloses a weighing lysimeter which comprises a weighing lysimeter main body, a lysimeter data acquisition control device and a drainage device, and the weighing lysimeter main body and the drainage device are respectively connected with the lysimeter data acquisition control device; the drainage device comprises a box body, a water collecting groove is formed in the bottom of the box body, a water suction pump is arranged on one side of the water collecting groove, an inlet of the water suction pump is communicated with the water collecting groove, an outlet of the water suction pump is connected with a liquid conveying pipe, and the liquid conveying pipe extends out from the upper end of the box body. Water permeating out of the weighing lysimeter body is received through the liquid collecting box, and a one-way valve is arranged at the upper end of the liquid collecting box. According to the utility model, the seepage water in the soil is monitored, so that the water seepage data of the soil can be measured, and the measurement of the evapotranspiration of the soil is improved; and when the collected water in the drainage device reaches a certain value or is manually involved, the accumulated water can be automatically pumped out, and the change of the underground water level is accurately controlled.

The utility model provides a lake water replenishing scheme experimental device, which relates to the technical field of ecological research experiments and comprises a reservoir, four groups of support columns are fixedly arranged in the reservoir, and an experimental bin is fixedly arranged at the tops of the support columns; an experiment pool for simulating a lake is slidably arranged in the experiment bin, and a weighing sensor is arranged at the bottom of the experiment pool; an electric cylinder B is fixedly arranged above the rear side of the reservoir, a top frame is fixedly arranged at the telescopic end of the electric cylinder B, and a transverse column is fixedly arranged in the middle of the front side of the top frame; the experiment pool is arranged, an experiment function capable of adjusting simulation is provided, only input water can be selected to simulate an inland lake, and input and output water can also be input and output to simulate a huff and puff lake, flexible adjustment according to actual needs is facilitated, the water inlet and outlet amount is convenient to control, water outlet is achieved through the principle of communicating vessels, and the driving cost can be saved. Water flow can be monitored in the circulation process, experiments are conducted according to the actual proportion, and the problem that an existing experiment device lacks the simulation adjusting function is solved.

The invention aims to provide a model and a method for identifying the cold resistance of alfalfa in the bud stage, the identification model relates to the relationship between four cold-resistant indexes and cold-resistant grade (Y) of alfalfa at 6 + / -0.1 DEG C, the four cold-resistant indexes are alfalfa germination rate (X1), alfalfa simplified vigor index (X2), alfalfa root length (X3) and alfalfa germination index (X4), and the relational expression is Y =-2.771 + 0.016 X1 + 0.061 X2 + 0.900 X3 + 0.054 X4, when Y is more than or equal to 0.70 and less than or equal to 1.00, the alfalfa variety is a strong cold-resistant variety; when Y is more than 0.40 and less than 0.70, the alfalfa variety is a medium cold-resistant variety; when Y is more than or equal to 0.00 and less than or equal to 0.40, the alfalfa variety is a non-cold-resistant variety. Experiments prove that the model has the characteristics of high accuracy, rapidness and high efficiency when being used for identifying alfalfa cold-resistant germplasm resources.

The application relates to a powder scraping device, a powder scraping treatment system and an adhesive floating degree detection method. The powder scraping device comprises a roller body and a scraper device. The roller body is rotatably arranged around a preset axis, and the roller body is provided with a fitting surface around the preset axis. The scraper device is located on one side in the circumferential direction of the roller body. In the technical scheme of the embodiment of the application, at least a part of the circumferential roller surface of the roller body is used as the fitting surface to lay the workpiece. The fitting surface is not easy to deform and has good flatness, so that the flatness of the workpiece laid on the fitting surface is good. When the scraper device performs the powder scraping operation, the powder scraping thickness is relatively uniform, thereby helping to improve the powder scraping precision of the powder scraping device.

The present application relates to a kind of bubble method tritium sampler sampling efficiency determination method, gas generated by water vapor generator is passed into tritium sampler, sampling flow in gas path is controlled by flowmeter, after sampling, sampling efficiency is the ratio of the mass of tritium sampler and the mass of water vapor generator.The present application realizes using water vapor generator to generate water vapor as sampling gas source to replace non-radioactive method of tritium water vapor gas source, while using weighing method to measure and calculate bubble method tritium sampler, sampler sampling efficiency, effectively avoids the problem of tritium water vapor activity concentration traceability, avoids the risk of contamination of tritium sampler, sampler and tritiated water vapor leakage in the process of efficiency determination using tritiated water vapor gas source.The present application provides a convenient, fast, non-polluting, no need to operate radioactive source and safe determination method for bubble method tritium sampler, sampler sampling efficiency determination.

This invention provides a device for real-time detection of plant water and fertilizer status, belonging to the field of detection equipment technology. The device includes: a mounting frame with an opening at its upper end; a first weighing sensor mounted on the mounting frame for weighing the substrate; a soil temperature and humidity sensor for detecting the temperature and humidity of the substrate; a liquid inlet tank installed inside the opening at the upper end of the mounting frame; and a first EC sensor. The first weighing sensor allows for real-time weighing of the substrate, and the soil temperature and humidity sensor, inserted into the substrate, allows for real-time detection of substrate data changes. Because of the inclusion of a first pH sensor and a first EC sensor, the EC and pH values ​​of the liquid can be detected during liquid inlet. Therefore, this device can collect environmental parameters and water and fertilizer status of the plant in real-time during plant growth.

The application discloses a slag washing desulfurization calcium treatment process, which comprises the following steps: (1) detecting calcium wire for calcium treatment: the method comprises sample preparation, dissection and analysis; the filling of reduced iron powder and the bonding state of calcium particles, the pressure pit of internal iron sheet, the particle size of iron powder and the observation and data information comparison of the weight of the two kinds of powder should be observed from the cross section and the section; the metallurgical effect of calcium treatment is preliminarily judged according to the influencing factors; (2) strictly controlling the particle size of reduced iron powder and the suitable ratio of calcium particles and reduced iron powder, and selecting calcium wire meeting the requirements to be put into the slag washing desulfurization process; the calcium wire selected by the above detection method can make the wire feeding speed stable at 4-4.5 m / s, so that the wire feeding speed is not reduced due to flash explosion and spatter, and the stability of production is ensured.

The embodiment of the utility model provides a device for testing the anti-icing performance of a coating. The device comprises a supporting base, a bearing platform, a regulation and control assembly, a monitoring assembly and a weighing assembly, the bearing platform is arranged on the supporting base and comprises a center truss, a first horizontal bearing assembly and a second horizontal bearing assembly, wherein the first horizontal bearing assembly and the second horizontal bearing assembly are rotationally connected to the two sides of the center truss correspondingly. One end of the regulation and control assembly is connected to the supporting base, and the other end of the regulation and control assembly is movably supported on the corresponding first horizontal bearing assembly and second horizontal bearing assembly; the monitoring assembly is arranged on the bearing platform and used for synchronously collecting environment temperature and humidity and rainfall data. The weighing assemblies are correspondingly arranged on the first horizontal bearing assembly and the second horizontal bearing assembly and used for bearing the coating and conducting in-situ weighing on the coating. The whole device can realize icing simulation of a coating sample in multiple postures such as horizontal, inclined, vertical and the like, supports real-time in-situ weighing, and can synchronously collect related parameters of the environment for accurate simulation at the same time.

The utility model belongs to the technical field of corrosion resistance testing of low-voltage anode foils, and particularly relates to a corrosion resistance testing device of a low-voltage anode foil for a lead-free electrolytic capacitor, which comprises a reaction container, a discharge valve is mounted at the bottom of the reaction container, and a motor, a clamping frame, a copper rod and an exhaust valve are mounted at the top of the reaction container. The motor is in transmission connection with an outer sleeve through a belt transmission assembly, the outer sleeve is rotationally clamped on the reaction container, a foil rod is inserted in the inner side of the outer sleeve and is clamped on a clamping frame in a matched mode, the outer sleeve comprises a connecting pipe, the bottom end of the connecting pipe is connected with a lower pipe body, an overflow groove is formed in the top side of the lower pipe body, and the foil rod is clamped on the clamping frame in a matched mode. The lower side of the inner wall of the lower pipe body is connected with a connecting frame, and the connecting frame is connected with paddles through connecting rods. When the paddle in the outer sleeve rotates, the reaction liquid can flow from bottom to top to wash and remove an air pocket attached to the surface of the foil rod, so that the foil rod is in full and uniform contact with the reaction liquid, and the test accuracy is ensured.

The embodiment of the invention provides a method for determining the viscosity reduction effect of a thick oil viscosity reducer, a control device and a storage medium, and belongs to the technical field of oil development. The method comprises the following steps: measuring the viscosity of the thickened oil at the temperature T1; heating the sealed and stored thick oil in a constant temperature device with the temperature of T2; pouring the heated thick oil with the mass of m1 into a test tube, then pouring a to-be-detected thick oil viscosity reducer aqueous solution with the mass of m1 and the preset concentration, and sealing the test tube; standing the sealed test tube in a constant temperature device with the temperature of T3 at constant temperature; pouring and removing the flowing oil and water in the sealed test tube at room temperature, and controlling the included angle between the test tube and the horizontal plane, so that only the flowing oil and water in the test tube are poured in the pouring process; measuring the mass m2 of the test tube and the residual mixture thereof; and calculating the heavy oil static viscosity reduction rate of the to-be-detected heavy oil viscosity reducer. According to the embodiment of the invention, the static state between the viscosity reducer and the crude oil and the thick oil is adopted, and the viscosity reduction rate is measured so as to evaluate the effect of the viscosity reducer.

The invention belongs to the technical field of metallurgy, and relates to a method for testing gold in crude antimony crystal salt, which comprises the following steps: S1, roasting the crude antimony crystal salt at 280-320 DEG C for the first time, then heating to 550-650 DEG C, and roasting for the second time; and S2, after roasting is finished, a composite flux and a silver nitrate solution are added, heat preservation melting is conducted for 10-15 min at the temperature of 1150-1200 DEG C, a lead buckle is obtained, then the lead buckle is subjected to soot blowing, and the gold content in the crude antimony crystal salt is obtained through measurement. According to the method, the influence of sodium sulfide sulfate, sodium sulfide and sodium antimonate on gold content testing is solved through oxidizing roasting pretreatment; and the iron powder, the nickel powder and other composite fluxing agents are added in the subsequent melting process, and the gold content testing accuracy is remarkably improved.

The application provides a kind of grain moisture content detection method, device, combine harvester, equipment and medium, the method comprises: collecting the temperature of the environment where grain is located, the relative dielectric constant and bulk weight of grain in a preset period;Based on temperature, relative dielectric constant and bulk weight, train through grain moisture content detection model, obtain the moisture content of grain in a preset period;Through the grain moisture content detection model, periodically detect the moisture content of grain.The grain moisture content detection method provided by the application uses a nonlinear method of multiple influencing factors to regress and predict data, by considering multiple influencing factors, the fitting regression accuracy of the grain moisture content detection model is improved, and the moisture content of grain is periodically detected through the grain moisture content detection model, the moisture content of grain is stably detected for a long time, and the reliability is high, so as to improve the accuracy of grain moisture content detection as a whole.

The invention relates to the technical field of gold piece recovery devices, in particular to a gold piece recovery method which is implemented through a gold piece recovery device, and the gold piece recovery device comprises a placement opening, a spectrum detection device, a weighing device and a control device; the gold piece recycling method comprises the following steps that needed operation information is input, specifically, the needed operation information is input into the control device, and the needed operation information comprises information for selecting only gold content detection and information for selecting gold recycling; a step of placing a treated object, specifically, enabling the treated object to pass through a placing opening to enter the gold piece recovery device; and detecting the processed object, specifically, conveying the processed object to a spectrum detection device, performing spectrum detection on the processed object to obtain gold content information of the processed object, and conveying the processed object to a weighing device for weighing to obtain weight information of the processed object. The gold piece recycling device can achieve automatic recycling of gold pieces.

A sensing sensor module (S100) and a sensor module heat dissipation structure are provided. The sensing sensor module (S100) includes a piezoelectric oscillation portion (20) in which a reaction electrode (22) to which a target substance in a gas adheres and a reference electrode (23) to which the target substance does not adhere are disposed on a sensor substrate (21) as a piezoelectric resonator, a cooling element (72), and a supporting member (11). The cooling element (72) cools the piezoelectric oscillation portion (20). The supporting member (11) supports the cooling element (72). The supporting member (11) has a center portion (16) at which the cooling element (72) is arranged and a flange-shaped base portion (17) that has a circular ring shape and extends outward in a radial direction of the circular ring around the center portion (16). The base portion (17) dissipates heat from the center portion (16).