1072results about "Material weighing" patented technology

The invention relates to the technical field of automatic sorting of agricultural products, in particular to an egg quality intelligent sorting system and method based on multi-modal sensing. The system comprises a multi-mode sensing module, a data processing module and a sorting execution module. The multi-mode sensing module integrates a hyperspectral imaging unit, a voiceprint vibration detection unit and a weight sensing unit, and comprehensively collects egg surface images, vibration frequency and weight data; the data processing module analyzes the image data through deep learning and a data fusion algorithm to detect cracks and blood spots, and fuses multi-modal data to generate features to adapt to characteristic changes of different batches of eggs; the sorting execution module determines the sorting priority according to the fusion features and executes accurate sorting; the system utilizes the synergistic effect of the multi-mode sensing technology to comprehensively evaluate the internal and external quality of eggs, the detection precision is remarkably improved, efficient and intelligent egg sorting is realized, and the automatic sorting technology level of agricultural products is improved.

The invention provides a grain impurity rate and breakage rate monitoring system and method for a combine harvester. The grain impurity rate and breakage rate monitoring system comprises a grain sampling device, an image acquisition device and a control device, the grain sampling device is installed on the side wall of the vertical grain conveying barrel, a grain inlet of the grain sampling device is connected with a grain outlet hole in the side wall of the vertical grain conveying barrel through a hose, and a grain outlet of the grain sampling device is connected with a feeding port of the image acquisition device through a connecting pipe; the image acquisition device is connected with the control device, an image acquisition module of the control device controls the image acquisition device to acquire a grain image, and online calculation of the impurity rate and the breakage rate of the grain is realized on the grain image through a YOLOv8-Seg instance segmentation model of the image processing module in combination with an impurity rate and breakage rate mathematical model; finally, a detection result is displayed on a display screen in real time, visual numerical values can be provided for an operator of the combine harvester, and the operator is helped to adjust working parameters of the harvester. The method can be used for harvesting rice, wheat, oilseed rape and soybeans, and has wide applicability.

The invention provides a method and a system for evaluating the biological health condition of cultivated land soil based on exploratory factor analysis, and relates to the technical field of evaluation of the biological health condition of soil. The precise analysis of the complex interaction relationship between the soil microorganism function and the environmental factor is realized; through multi-dimensional index fusion and deep mining of a factor model, key biological function factors are effectively discriminated and quantified, and the scientific evaluation capability of soil ecological functions is improved; in combination with causal path analysis, the scheme can reveal the influence of environmental pressure on a microbial regulation and control mechanism, and intelligent attribution and traceability of abnormal health conditions are realized; based on dynamic fusion and grading judgment of function and environment scores, the scheme supports accurate health condition evaluation and hierarchical intervention, the early warning capability and decision scientificity of soil management are enhanced, and the agricultural sustainable development guarantee level is remarkably improved.

The invention discloses a real-time monitoring device and method for soil disintegration air escape amount and cement dissolution rate. The real-time monitoring device comprises a disintegration tank, the disintegration tank is arranged on a base, a water injection pipe with a valve is arranged at the top of the disintegration tank, a water drainage pipe with a valve is arranged at the bottom of the disintegration tank, and a support is arranged above the disintegration tank. The mechanical sensing unit comprises a lifting rope, a lifting hook, a gas collector, a grid plate, a first tension sensor and a second tension sensor, and the electrochemical monitoring unit comprises an anode electrode plate, a galvanometer, a switch, a direct-current power supply and a cathode electrode plate which are sequentially connected in series through wires to form a closed monitoring loop. Quantifying the dissolution rate of the cement by monitoring a current signal corresponding to the ion concentration change in the solution; the high-definition camera collects disintegration images in real time and synchronously transmits the disintegration images and sensor data to the server. According to the device, through the combined action of the mechanical sensing unit and the electrochemical monitoring unit, the limitation of single-parameter monitoring is solved, and key data support is provided for stability evaluation of geotechnical engineering.

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 provides a method for testing breakage of a film covered wire. The method comprises the following steps of: 1, respectively sampling a section of a wire with the length of 1m and a section of a wire with the length of 10m; step 2, respectively measuring weight values and direct-current resistance values of the 1-meter sampling line and the 10-meter sampling line to obtain a weight value G1 of the 1-meter sampling line, a direct-current resistance value R1 of the 1-meter sampling line, a weight value G2 of the 10-meter sampling line and a direct-current resistance value R2 of the 10-meter sampling line; step 3, calculating the direct current resistance change rate according to a formula delta R = {R2 / [R1 * (G2 / G1)]-1} * 100%; 4, when the direct-current resistance change rate delta R is smaller than a set percentage, the wire is judged to be qualified; and when the direct-current resistance change rate delta R is greater than or equal to a set percentage, judging that the wire has the wire breakage defect. According to the invention, the resistance abnormity caused by broken line and non-broken line factors can be effectively distinguished, and the misjudgment rate is reduced; and meanwhile, quantitative line breakage degree evaluation can be realized, and a technical basis is provided for formulating an industrial line breakage detection standard.

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 relates to a device and a method for measuring concrete volume change caused by long-term neutron irradiation, the device comprises a neutron emitter and a neutron receiver which are arranged in a laboratory in a matching manner, a test concrete test piece is fixed between the neutron emitter and the neutron receiver, and the test concrete test piece measures the temperature through a temperature detector; a contrast concrete test piece is arranged in the test chamber, a collection mold wraps the outer side of the contrast concrete test piece, and a condensation pipe, a water vapor collector and a high-precision electronic scale are arranged. The method comprises the following steps: 1, measuring the overall expansion rate of a concrete test piece through a strain measurer; 2, testing the volume change of the concrete test piece in the environment; 3, calculating the volume change rate of the concrete caused by neutron radiation by combining the thermal expansion coefficient of the concrete and the drying shrinkage of the concrete; and 4, the relationship between the volume expansion rate of the concrete and the neutron irradiation dose is tested, and the relationship between the volume change rate of the shielding concrete of the engineering structure and the time is speculated, so that the safety of the nuclear engineering structure is ensured.

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 discloses a fire extinguishing water spraying intensity detection method for propellant fire in the field of propellant fire extinguishing. A superspeed deluge system, an ignition system, a charging device and a weighing device are included. The ultra-high-speed deluge system comprises a high-speed detector, a control system, a quick opening valve, a sprinkler head, a water supply pipe, a pressure water supply device and an air supply device; the ignition system comprises a resistance wire, an ignition circuit and an ignition device.The fire extinguishing water spraying intensity detection method for the propellant fire is provided for solving the problems that the propellant fire cannot be extinguished through the water spraying intensity of an existing deluge system, and an ultra-high-speed deluge system cannot be effectively applied to a propellant production site. The problem that an existing propellant powder production place does not have a key parameter of fire extinguishing water spraying intensity is solved, effective application of the ultra-high-speed rain extinguishing technology in the propellant powder production place is achieved, and safety of production personnel and equipment is protected.

The invention discloses a preparation and quality detection device and method for uniformly layered granular materials with different compactness, and belongs to the technical field of geotechnical test equipment.The device comprises a receiving container arranged on an inner supporting frame, the receiving container is connected with a diffuser through a control valve, and a miniature CPT device is arranged between the diffuser and the inner supporting frame; the top of the receiving container is connected with a hopper through a flexible hose, and the hopper is arranged on the top of the outer supporting frame. A porous plate structure in the diffuser is used for controlling the deposition strength, particle distribution is monitored through a micro pressure sensor and a high-speed camera, the aperture is adjusted, multi-dimensional characteristic in-situ detection is achieved by means of multiple sensors of a micro CPT device, and parameters are optimized and optimal deposition parameters are predicted through a controller. According to the preparation and quality detection device and detection method for the layered uniform granular materials with the different compactness, the deposition strength and particle distribution can be accurately controlled, multi-dimensional detection and automatic control are achieved, the test precision and efficiency are improved, and manual errors are reduced.

The invention belongs to the technical field of edible vegetable oil quality analysis, and discloses a construction method of a step-by-step temperature compensation model for thermal oxidation rapeseed oil quality detection based on an ultrasonic diagnosis technology. The invention aims to solve the problem that the environment temperature change can influence the sound wave pulse signal when the rapeseed oil quality is detected by utilizing an ultrasonic diagnosis technology. According to the method, a plurality of partial least squares (PLSR) or random forest method (RF) models are respectively established by adopting each integer temperature in a temperature range of 22-32 DEG C and correspondingly acquired ultrasonic data parameters in combination with physical and chemical data parameters acquired at the temperature; the prediction pertinence and accuracy of the temperature compensation model are improved in a mode of constructing a plurality of sub-models, and meanwhile, a training set, an internal verification set and an external verification set are introduced to perform multiple verification evaluation on the model, so that the prediction performance and stability of the model are ensured, and a quality index prediction value output by the model is closer to an actual quality index; and the accuracy and effectiveness of detection data are ensured.

The invention provides a seed detection method, system and device based on a multi-modal intelligent algorithm. The method comprises the following steps: acquiring a raster image of a to-be-detected seed; rGB-D modal information of the raster image is collected; cutting an edge part in the raster image, and matching the cut image with the RGB-D modal information; performing target detection on the image by adopting a detection algorithm to determine a detection area of the seed in the image; establishing three-dimensional point cloud data according to the RGB-D modal information of the pixel points in the detection area; segmenting the three-dimensional point cloud data into point cloud data corresponding to each seed by adopting an adaptive density clustering algorithm; calculating volume data of each seed by using a point cloud convex hull algorithm according to the point cloud data; and clustering all volume data into real grain data and shriveled grain data by adopting a K-means clustering algorithm. According to the method disclosed by the invention, nondestructive seed test detection of the seeds is realized by adopting a multi-modal detection technology, and detection with higher precision is realized.

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.

The invention provides a method and device for measuring the photosynthetic rate of plant leaves based on C13 isotope labeling, and belongs to the technical field of biology. The method comprises the following steps: putting a to-be-detected leaf into an assimilation leaf chamber, marking the to-be-detected leaf with 13CO2, measuring the change of 13C content of a specific leaf part before and after marking through an element analyzer and a stable isotope proportion mass spectrometer, and calculating the assimilation 13C amount of the leaf part in unit area and unit time, namely the photosynthetic rate. According to the method and the device, the photosynthetic rates of a plurality of parts on the blade can be measured at the same time, and the measurement efficiency is greatly improved.

The invention discloses a device and method for simulating the freezing and thawing cycle process of collapsible loess in the natural environment, and belongs to the technical field of geotechnical engineering.The device comprises a test box provided with a sample groove, a rainfall simulation system is arranged on the upper portion in the test box, an underground water seepage simulation system is arranged on the lower portion in the test box, and the sample groove is connected with a loading system; a weighing system is arranged at the bottom in the test box, the weighing system is connected with an underground water seepage simulation system, a settlement and internal damage monitoring system is arranged between the weighing system and the rainfall simulation system, and a freezing and thawing circulation system is arranged on the inner side wall of the test box. According to the invention, the natural environment of the loess plateau area can be simulated, and the strength change of the strong salinized soil in the dry-wet process can be tested and researched under the combined action of various factors such as rainfall, load, underground water seepage and freeze-thaw cycle.

The invention belongs to the technical field of pharmaceutical analysis, and particularly relates to a method for detecting the content of carbomer in eye drops. The method comprises the following steps: by adopting a two-time washing and centrifugal separation mode, controlling the washing and centrifugal times, centrifugal conditions and washing volume, separating carbomer and brinzolamide from other auxiliary materials in the brinzolamide eye drops, obtaining the weights of carbomer and brinzolamide by adopting a drying and weighing mode, subtracting the weight of brinzolamide, and calculating the content of the auxiliary materials in the brinzolamide eye drops. And calculating to obtain the carbomer content in the sample. The method is suitable for detecting the carbomer content in the carbomer-containing brinzolamide eye drops, and is simple and convenient to operate, efficient, accurate and low in cost.

The invention discloses a production management method and device based on weight control, equipment and a storage medium. The method comprises the steps of obtaining a target weight interval of a product based on a preset process capability index; acquiring the actual weight of the current product; and comparing the actual weight of the current product with the target weight interval corresponding to the current product to obtain a test result. By utilizing the method, the target weight interval of the product is accurately determined through the preset process capability index, the final test result is determined by comparing the target weight interval with the target weight interval, the product can be timely found to be a box A and a goods B according to the test result, and the risk of mixed loading can be effectively solved.

The invention discloses a chemical fiber anti-droplet detection method, which comprises the following steps: igniting a fiber, recording the generation time of a first droplet, the number of droplets and the total mass of the droplets, testing the change rate of fiber heating bending strength and the change rate of sound wave transmission speed, and carrying out scoring and grading by combining data obtained by testing. Through combination of ignition performance external analysis and heating performance internal analysis, fibers can be comprehensively analyzed under the ignition condition and the heating condition, the molten drop ignition and heating structure change direction is comprehensively evaluated, and the defect that performance evaluation is inconsistent due to test condition difference in a chemical fiber molten drop resistance detection method is overcome; according to the method, indexes such as first droplet generation time, droplet number, total droplet mass, bending strength change rate, sound wave transmission speed change rate and the like are subjected to score assignment and comprehensive evaluation, so that the anti-droplet performance of chemical fibers can be reflected more comprehensively and objectively, and misjudgment on the anti-droplet performance of the fibers due to one-sidedness of a certain index is avoided.

The invention discloses a ceramic defect multi-detection device and method based on deep learning. The ceramic defect multi-detection device comprises a wooden shell, a conveying belt, a visual detection module, a sound detection module, a mechanical arm module, a weight detection module and a control module. The wooden shell is of a hollow door-shaped structure, the conveying belt penetrates through the bottom of the hollow door-shaped structure of the wooden shell, the wooden partition plate is arranged above the conveying belt, the two ends of the wooden partition plate are connected with the two side walls of the wooden shell, the visual detection module is installed on a top plate of the wooden shell, and the sound detection module is connected to the top plate of the wooden shell. The mechanical arm module is installed on one side of the wooden shell, the weight detection module is installed on the mechanical arm module, and the visual detection module, the sound detection module, the mechanical arm module and the weight detection module are all in signal connection with the control module. According to the method, different technical means are combined, and the accuracy and comprehensiveness of detection are greatly improved. And meanwhile, the labor cost is saved, and the working efficiency is improved.

The invention provides equipment and a method for testing permeation filtration performance of a hollow fiber membrane. The equipment comprises a rack, a clamp assembly, a circulating detection system, a control panel, a raw material tank and a wastewater tank, the clamp assembly comprises an upper clamp, a lower clamp, a sealing ring and a driving device; wherein the upper clamp and the lower clamp are provided with cavities for accommodating hollow fiber membrane filaments, so that the upper clamp, the lower clamp and the sealing ring are spliced to form a closed space, and the lower clamp is also provided with two hole channels communicated with the cavities; quick connectors are arranged on two sides of the sealing ring, inlet ends of the hollow fiber membrane filaments are connected with the raw material tank through the quick connectors, and outlet ends of the hollow fiber membrane filaments are connected with the wastewater tank through the quick connectors; the circulating detection system comprises an adsorption separation device, a circulating pump and a detection unit; the adsorption separation device is connected with one hole channel, and the adsorption separation device is sequentially connected with the circulating pump and the detection unit. According to the invention, accurate measurement of the penetration amount of the single hollow fiber membrane silk can be realized.

The invention belongs to the technical field of oil and gas field development, and particularly relates to a comprehensive evaluation method for the gel breaking degree of gel fracturing fluid. According to the method, a calculation model of the integrity psi after gel breaking of the gel fracturing fluid is established on the basis of the mass of the residual gel separated after gel breaking or the mass of the gel breaking clear liquid in combination with the viscosity of the gel breaking clear liquid, and the gel breaking degree is quantified. According to the method, through weighted calculation of the residual colloid mass or the colloid breaking clear liquid mass and the colloid breaking clear liquid viscosity, a calculation model of the integrity psi after gel breaking of the gel fracturing fluid in different gel breaking stages is established, the gel breaking degree is quantified, and the problem that a traditional single viscosity index cannot be measured or measurement interferes is solved; the problems that the amount of dried solid residues is small, weighing is extremely inconvenient, and large errors are easily caused are solved. The method can adapt to the characteristic difference of different gel breaking stages, the evaluation reliability is remarkably improved, and data support is provided for optimizing the performance of the controlled-release gel breaker.

The embodiment of the invention provides a system and method for testing the slow release performance and the paraffin control effect of a paraffin inhibitor in condensate gas, and belongs to the technical field of oil and gas well shaft plug removal. The system comprises a gas supply mechanism used for supplying condensate gas to a shaft flow simulation mechanism; the pressure adjusting mechanism is connected with the air supply mechanism and used for adjusting the air supply pressure of the air supply mechanism; the shaft flow simulation mechanism is used for containing a paraffin inhibitor, and an air inlet of the shaft flow simulation mechanism is connected with an air outlet of the air supply mechanism; the constant-temperature mechanism is provided with an internal containing space, the shaft flow simulation mechanism is located in the internal containing space of the constant-temperature mechanism, and the constant-temperature mechanism is used for enabling the paraffin inhibitor to be at a preset temperature; and the oil gas recovery mechanism is connected with the gas outlet of the shaft flow simulation mechanism and is used for recovering condensate gas passing through the paraffin inhibitor. The device has the advantages that the structure is simple, the real fluid state of a shaft can be restored, and the slow release performance and the paraffin control effect of the paraffin control agent in condensate gas can be accurately and efficiently tested.

The invention discloses a colla corii asini content detection device and a use method thereof, and relates to the technical field of colla corii asini detection.The colla corii asini content detection device comprises a base, a liquid chromatograph and an operation table, and the liquid chromatograph and the operation table are installed on the upper surface of the base; the donkey-hide gelatin cake processing device comprises an L-shaped support, one side of the outer surface of the L-shaped support is fixedly connected with a weighing and dissolving mechanism used for dissolving donkey-hide gelatin cakes, and one side of the top of the L-shaped support is provided with a crushing mechanism matched with the weighing and dissolving mechanism. According to the donkey-hide gelatin cake dissolving device, the donkey-hide gelatin cake can be heated when being dissolved, so that the dissolving speed is increased, by arranging the dust-raising-preventing water adding mechanism, water can be synchronously added when the donkey-hide gelatin cake is crushed, the dissolving speed of the donkey-hide gelatin cake is increased, the effects of preventing dust raising and facilitating washing can be achieved, residual donkey-hide gelatin is reduced, and then the detection precision is improved.

The invention provides a wet film surface density measuring method, a wet film surface density measuring system and coating equipment, and relates to the technical field of coating control, the method creatively establishes a relation between a specifically treated wet film and a dry film, and ingeniously realizes the calibration of the wet film surface density by using the weighable characteristic of the dry film. The requirement for accurate measurement of the surface density of the wet film in the production process can be met, and the problems of low production efficiency, large measurement error and the like caused by poor measurement effect of the surface density of the wet film in the prior art are solved.

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 utility model discloses an oil concentration detection device for a scroll compressor, and relates to the technical field of compressor lubricating oil concentration detection, in particular to a device for detecting the concentration of lubricating oil in an oil pool of the scroll compressor used for a heat pump air conditioning system. The device comprises a connecting device, a sampling device, a concentration testing and calculating device and a scroll compressor, the connecting device is welded at the bottom of the scroll compressor; the sampling device is of a detachable structure and is assembled on the connecting device to sample the lubricating oil in the scroll compressor during sampling; the concentration testing and calculating device is arranged outside the scroll compressor, is used for testing and calculating the lubricating oil collected by the sampling device, and is not connected with the scroll compressor. According to the technical scheme of the utility model, the problems that in the prior art, a viscometer is adopted for testing, so that a result cannot be measured in an over-range manner; the oil pool concentration is speculated by testing the temperature of the lower cover of the compressor and then through a Darnille curve, so that the test result is inaccurate.

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.