50 results about "Rapid assay" patented technology

The application discloses a cherry freshness detection device based on volatile substance concentration proportion time sequence model, which comprises a handheld detection instrument main body and a sampling bottle. The detection instrument main body comprises a micro air pump, a micro air chamber and a micro processing unit. The micro processing unit is integrated with a data acquisition module, an algorithm module and a calculation detection module. The algorithm module is integrated with concentration proportion time sequence models of various volatile substances. The calculation detection module compares the concentration data of various volatile substances and the concentration proportion time sequence models to determine the picking time and freshness of cherries. Compared with the traditional method, the application has the advantages of rapid determination, and the single test time is 4 min. Compared with artificial and single alcohol detection instrument, the application uses multiple characteristic volatile substance contents as test objects, and has higher precision and repeatability.

The application relates to the technical field of intelligent agriculture and plant protection, and particularly discloses a broccoli black spot early diagnosis system and method based on multi-modal machine learning fusion, which comprises a portable collection platform, a mobile experiment terminal and a server. The portable collection platform is integrated with a hyperspectral imaging camera, a chlorophyll fluorescence imager, a dark-adapted leaf clamp and a camera for sample barcode recognition, and is provided with an adjustable height support and a controllable light source to ensure the consistency of data collection conditions. The mobile experiment terminal is internally provided with a physicochemical index rapid detection module, including a portable PCR instrument for on-site nucleic acid rapid extraction and amplification and a miniature ultraviolet spectrophotometer for rapid determination of pigment content. The broccoli black spot early diagnosis system and method based on multi-modal machine learning fusion are highly integrated, portable and automated, are suitable for a field environment and provide an efficient disease diagnosis tool for non-expert users.

The application discloses an automatic analyzer for detecting aniline compounds in liquid and a determination method, and realizes automatic and rapid determination of aniline compounds in liquid samples through the design, connection and control of flow paths and structures, and the analysis processes such as automatic sampling, reagent adding, mixing reaction and spectrophotometric detection, so that reagent consumption and waste liquid discharge are reduced, and the analysis detection sensitivity, accuracy and precision are improved.

The invention provides a method for detecting the content of zinc in a lithium-zinc binary alloy strip based on ICP-OES, and belongs to the technical field of metal material component analysis. According to the method, the lithium matrix is separated by adopting a nitric acid-perchloric acid digestion system, and the stock solution is diluted by 500 times, so that the concentration of the lithium matrix can be efficiently reduced, meanwhile, the signal inhibition effect is effectively eliminated by combining lithium salt matching, and the detection precision is greatly improved. According to the method, Zn 213.856 nm analysis spectral lines are carefully selected, RF power is optimized, spectral interference of other elements can be avoided, the linear range can be expanded, and the method is suitable for rapid determination of the zinc content of 1%-20%. According to the method, the detection limit can reach 0.01%, the relative standard deviation is smaller than or equal to 1.0%, the recovery rate is 98.5%-101.2%, and high-precision detection is achieved.

The present application relates to the technical field of oilfield water detection, and is a rapid detection method for metal ions contained in fracturing water, which is performed according to the following steps: measuring total conductivity of a fracturing water sample at T1, T2 and T3 temperatures, continuously adding a precipitant NaOH to the fracturing water sample, and measuring turbidity value changes of the fracturing water; when the turbidity value is stable, a turbid fracturing water liquid is obtained, and a turbidity detection value NTU of the turbid fracturing water liquid is recorded 测 , and the amount of the precipitant NaOH, while measuring conductivity of the turbid fracturing water liquid at T1, T2 and T3 temperatures; according to a series of correlation equation groups, concentrations of Na + , K + , Ca 2+ , Mg 2+ and Ba 2+ in the fracturing water sample are obtained. The present application adopts a fitting correlation equation group and a step-by-step rapid detection method, and has the advantages of rapid detection, accuracy, low cost, environmental protection, non-toxicity, simple operation, wide application range and the like.

The invention provides a method and a system for automatically and rapidly measuring trace aluminum in cold water in a high-voltage direct-current converter valve. The system comprises a masking reagent bottle, a chromogenic reagent bottle, a buffer reagent bottle, a current-carrying reagent bottle, a water sample bottle, a flow injection analyzer, a multi-channel combination module, a first reaction coil, a second reaction coil, a third reaction coil, a temperature control module and a light splitting detector, the flow injection analyzer comprises a pump A, a pump B, a sampling valve and a sampling ring; the multi-channel combination module is provided with channels A, B and C which are not communicated with one another, and the channels A, B and C are respectively provided with sampling ports a, b and c; the sampling valve is provided with channels f, g, h and i which are not communicated with one another, and the channels f, g, h and i are provided with sampling ports d and e respectively. According to the method and the system provided by the invention, the trace aluminum ions in the cold water in the high-voltage direct-current converter valve can be automatically, quickly, accurately and reliably measured, and the detection limit is 1.0 mu g / L.

This application relates to the field of environmental monitoring and indoor air quality control technology, and particularly to a device, system, and method for rapidly determining the emission characteristics of semi-volatile organic compounds (SVCs). The device includes a test chamber and a test sample. The test chamber has a sandwich structure, during which the test sample is embedded, forming a cavity with the chamber. The main body of the test chamber is equipped with an air inlet, an air outlet, and a sampling port. Air is supplied to the cavity through the air inlet, and the airflow is discharged through the air outlet. This solves the problems of long steady-state times due to large adsorption areas in other test chambers, leading to long testing cycles, and large errors in emission characteristics due to convective mass transfer coefficient errors, when determining the emission characteristics of SVCs.

This application relates to a method, apparatus, and computer equipment for rapid determination of cavitation damage in a turbine runner. The method includes: acquiring point cloud data collected by a 3D laser scanner on the surface of the turbine runner; determining the cavitation erosion region based on the geometric features of the point cloud data; determining the cavitation damage area, cavitation damage depth, and cavitation damage volume based on the point cloud data corresponding to the cavitation erosion region; and determining the cavitation damage measurement result of the turbine runner based on the cavitation erosion region, cavitation damage area, cavitation damage depth, and cavitation damage volume. This method leverages the high precision and anti-interference characteristics of the 3D laser scanner to identify cavitation erosion areas using the collected point cloud data, calculate the area, depth, and volume of the cavitation erosion region, and generate accurate cavitation damage measurement results for the turbine runner. This avoids the limitations imposed by the detection environment and operating conditions on cavitation damage detection, achieving efficient cavitation damage detection and thus improving the safety of hydroelectric equipment.

The present application relates to the field of fluid machinery, especially to a full-flow extreme power point rapid determination method and system for diesel engine fire pump set. According to the industry standard and pump set parameters, the method presets the reference parameters and solidifies the Q-N-H three-dimensional working condition mapping table to build a standardized test reference. Four test intervals are divided according to the flow, and exclusive control algorithm and safety protection logic are matched. After the equipment is preheated and stabilized, multi-source working condition data is collected through high-frequency sampling and time stamp calibration, and the real-time input power of the diesel engine is accurately calculated through sliding filter denoising, parameter normalization and multi-dimensional loss correction. Through the least square method five polynomial fitting P-Q characteristic curve, combined with the first and second derivative joint criterion, the only power maximum point in the effective flow interval is accurately calibrated. The method is accurate, fast and highly standardized, effectively improves the determination accuracy and efficiency of the extreme power point, and meets the combined rule detection requirements of the diesel engine fire pump set.

The application discloses a method for rapidly separating Re and PGE from an organic matter-rich geological sample. After the sample is dissolved and converted into a sample solution dissolved in 0.2M HCl, first, a cation exchange column is used to realize rapid separation of Re-PGE from a sample matrix and interfering elements (such as Cd, Zr and Hf); second, an LN resin column is used to further remove interfering elements (such as Zr and Hf) and realize mutual separation of Re and PGE. Compared with a traditional separation method, the method can obtain high-purity Re and PGE, and the mutual separation of Re and PGE enables high-precision determination of Re by using MC-ICP-MS for Re-Os dating research, and rapid determination of PGE by using Q-ICP-MS or Element-XR ICP-MS for PGE content analysis.

The invention belongs to the technical field of detection methods, and provides a method for rapidly determining the content of index components in formula granules, and the method comprises the following steps: detecting the content of the index components in formula granules to be detected by adopting a thin-layer scanning method, and calibrating the measured content of the index components; the calibration comprises the following steps: substituting the measured index component content as an independent variable into a linear regression equation to calculate a dependent variable, and taking the calculated dependent variable as the calibrated content; wherein the establishment mode of the linear regression equation comprises the following steps: carrying out linear regression by taking the content of the index component in the formula granules detected by a thin-layer scanning method as a horizontal coordinate and taking the content of the index component in the same formula granules detected by a high-performance liquid chromatography method as a vertical coordinate. According to the method, the content of the index components in the formula granules can be rapidly determined, the operation is simple and convenient, the result accuracy is high, and the method has a good application prospect.

The invention relates to the technical field of material thermal performance detection, and discloses a heat transfer coefficient determination and dynamic monitoring system of a thermal insulation material. According to the system, through integration of a composite working condition heat source module, a multi-dimensional coupling sensor array, a real-time interference compensation unit and an LSTM intelligent prediction system, the bottlenecks of long steady-state measurement time consumption, low non-steady-state precision, lack of dynamic monitoring and incapability of predicting the trend in the prior art are broken through; self-adaptive switching between non-steady-state rapid monitoring and steady-state high-precision calibration is achieved on hardware, a coupling model of heat transfer coefficients, environmental parameters and material performance is constructed on software, rapid measurement, dynamic monitoring and long-term trend prediction of the K value of the thermal insulation material are achieved in combination with cloud data interaction, and the method is suitable for multiple scenes such as buildings, pipelines and cold chains and has a wide application prospect. And a technical support is provided for full-life-cycle energy efficiency management of the thermal insulation material.

The application provides a kind of geological sample low content Re fast and accurate analysis method, comprising: collecting sample to be determined and carrying out sample crushing;Weighing sample to be determined in plastic centrifuge tube;HCl, HNO3 and Re diluent are sequentially added to the plastic centrifuge tube;The plastic centrifuge tube is covered with a bottle cap and ultrasonic oscillation is carried out, the plastic centrifuge tube is placed in an oven at 105 DEG C to 110 DEG C and heated, and low-temperature sample dissolution is carried out;After heating is completed, the plastic centrifuge tube is placed in a centrifuge for centrifugation;The supernatant is diluted and then MC-ICP-MS is used for rapid determination of Re content.The method only uses low-cost plastic centrifuge tubes for sample dissolution, reduces the detection cost by 70% under the premise of ensuring the analysis accuracy;The Re content determination method only needs one day to complete the whole Re content process, significantly improving the single sample analysis efficiency;The Re content determination method is simple, short in determination period and cost-saving.

This invention proposes a method for rapid determination of the content of Phellodendron amurense charcoal slices processed at different temperatures using near-infrared spectroscopy. Near-infrared spectroscopy is used to collect spectral information of Phellodendron amurense charcoal slices processed at different temperatures. Background interference is eliminated through preprocessing methods such as baseline correction, standard normal variable transformation, multivariate scattering correction, and first derivative. Combined with competitive adaptive reweighted sampling, CARS combined with iterative retention of information variables, and iterative combination optimization, a partial least squares regression quantitative prediction model is established. This model achieves accurate prediction of the content of five key components: 5-O-FQA, 3-O-FQA, berberine, berberine, and berberine, with prediction correlation coefficients all exceeding 0.90. This invention combines spectral information with chemometric methods to establish a digital content prediction model based on near-infrared spectroscopy for online monitoring of the Phellodendron amurense charcoal slice processing process. It has the advantages of objectivity, speed, non-destructive nature, and reliability, effectively solving the technical problem of lack of objectivity in existing technologies based on human judgment.

The utility model discloses a full-automatic moisture content rapid determinator which comprises a machine table and a microwave scanning equipment body, a shell is fixed on the inner wall of the machine table, a first electric sliding block and a second electric sliding block are arranged on the upper portion of the inner wall of the shell, a sliding groove matched with the first electric sliding block and the second electric sliding block is formed in the upper portion of the inner wall of the shell, and the first electric sliding block and the second electric sliding block are arranged in the sliding groove. The microwave scanning equipment body is fixed to the bottom of a second electric sliding block, a first sleeve is fixed to the bottom of the first electric sliding block, a second sleeve is slidably connected to the inner wall of the first sleeve, a movable rod is slidably connected to the inner wall of the second sleeve, a storage shell is fixed to the bottom of the movable rod, and a trowelling device is fixed to the bottom of the storage shell. The microwave scanning equipment is matched with the data processing controller to quickly measure the moisture content, so that the drying time of a drying oven is effectively shortened, and the time efficiency is improved; the compaction quality result can be quickly judged conveniently and lightly, and the construction progress on site is greatly accelerated.

The invention belongs to the technical field of testing, particularly relates to a device for rapidly measuring soil erosion in the field, and provides the following scheme aiming at the problem of inaccurate measured data caused by the fact that effective measurement work cannot be performed on a soil sample in the existing rapid soil erosion measurement. The lifting device is arranged on one side of the shell; the sampling and drilling device is arranged at the bottom of the lifting device; the stopping device is arranged at the bottom of the sampling device; the crushing device is arranged on the shell; the suction device is arranged at the bottom of the crushing device; the belt transmission mechanism is arranged on one side of the suction device; the detection device is arranged on one side of the belt transmission mechanism; the soil sample can be effectively measured, so that the purpose of improving the accuracy of measured data is achieved.

1. Name of the product in this design: Rapid moisture analyzer for grains and oils. 2. Purpose of this design: For the determination of moisture content in grains and oilseeds. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides an oil kinematic viscosity rapid determination device based on ultrasonic waves, and relates to the technical field of flow characteristic testing, the oil kinematic viscosity rapid determination device comprises a defoaming tank, a driving mechanism, a dispersion mechanism and a detection assembly, the bottom end of a shell of the defoaming tank is welded with a base, the lower part of the defoaming tank is connected with an injection channel, the top end of the defoaming tank is provided with the dispersion mechanism, and the driving mechanism is connected with the injection channel. An inner cavity of the defoaming tank is communicated with the interior of the dispersing mechanism, supporting plates are arranged on the two sides of the top end of the defoaming tank, the whole detection assembly is driven by the driving mechanism to move, to-be-detected oil flowing in different dispersing plates can be rapidly detected, and the detection efficiency is improved. Therefore, a large amount of effective data of different positions can be quickly obtained, and the influence of other interference factors possibly generated by a fixed position on a final result is avoided. And the ultrasonic module part can periodically move, so that the ultrasonic module part can be kept in a fixed static state in a detection stage, and enough reliability of a detection result is ensured.

The invention discloses a tight reservoir target parameter determination method, device and equipment and a storage medium, and relates to the field of oil and gas field exploration, and the tight reservoir target parameter determination method comprises the steps that target liquid is injected into a target reservoir, and the target liquid injection amount and first wellhead pressure data before the target reservoir is fractured are measured to determine a wellbore reservoir coefficient; closing the target wellhead based on the first well shut-in time, determining first bottom hole pressure data according to the measured second wellhead pressure data, and determining a target friction resistance coefficient; the target wellhead is opened for liquid flowback, the target wellhead is closed based on the second well shut-in time, and third wellhead pressure data and liquid flow data during well opening and fourth wellhead pressure data within the second well shut-in time are obtained; and determining second bottom hole pressure data based on the target friction resistance coefficient, the third wellhead pressure data and the liquid flow data, and determining third bottom hole pressure data based on the fourth wellhead pressure data so as to determine target parameters. According to the method, the target parameters of the tight reservoir can be rapidly measured.

The present disclosure provides a device for testing an analyte in a fluid sample and a receiving device for treating the fluid sample, wherein the receiving device is used for receiving an absorbing element; the receiving device comprises a accommodating chamber and the chamber comprises a piercing element that is movable in the chamber, wherein the piercing element has a first position and a second position in the accommodating chamber, and configured to pierce the first sealed chamber; the accommodating chamber comprises a treatment solution for treating a fluid sample. The assay device and receiving device of the present disclosure treats a sample and quickly obtain the assay result, which is especially suitable for quick assay of a roadside drug.

The invention relates to the technical field of ink testing, in particular to a method for rapidly measuring the stability of ink, which comprises the following steps: performing temperature gradient centrifugal treatment on the ink to be measured, namely centrifuging for 1-10 hours at 2000-6000 rpm in a continuously changing temperature field of-10 DEG C to 60 DEG C, and measuring the stability of the ink by adopting a low-field nuclear magnetic resonance and multi-heavy light scattering combined technology. S2, synchronously analyzing the ink sample treated in the step S1, respectively obtaining a water molecule relaxation time spectrum and a back scattering light intensity space distribution curve, comparing parameters obtained in the step S2 with a standard ink database subjected to same treatment, and judging the long-term stability of the ink to be detected through a preset threshold value. Through physical intervention means such as temperature centrifugation and multi-section circulation temperature change, the test period is compressed to be completed within several days and even several hours, the research and development verification period is greatly shortened, and especially for ink product development scenes needing frequent formula adjustment, the technical iteration speed can be directly increased.

The application discloses a kind of rapid detection device and detection method of microplastic number concentration based on on-chip imaging, the present application utilizes the digital image sensor chip of commercial small pixel size and high pixel quantity, constructs microplastic detection device, can directly load microplastic sample to image sensor chip photosensitive surface, quickly obtains the shadow image of microplastic projection on chip;On this basis, the microplastic in image is counted by artificial analysis method or machine learning method, and then the number concentration of microplastic is calculated according to the volume of microplastic sample, which overcomes the bottleneck problem that the existing analysis method of microplastic is difficult to directly and quickly collect sample wide field of view, high-resolution image.The microplastic detection device of the present application is portable, and the method is simple and easy to popularize, which provides a new technical support for environmental microplastic pollution site monitoring, and can also be applied to the rapid determination of the number concentration of microparticle other than microplastic.

This invention discloses a method for in-situ simultaneous and rapid determination of odor and greenhouse gases, belonging to the field of environmental monitoring technology. The method includes: acquiring multiple channels of target gases and simultaneously preprocessing them to generate homogeneous gas samples; using a main detection sensor group and an auxiliary compensation sensor group for parallel collaborative sensing processing to obtain current multi-source sensor data; establishing a dynamic compensation mapping model to characterize the measurement error of gas concentration; inputting the current multi-source sensor data and corresponding current environmental parameters into the dynamic compensation mapping model for calculation, and combining it with the current main detection raw reading to generate current target gas concentration data; associating and packaging multiple sets of current target gas concentration data to generate a synchronous data package and outputting it. By combining the collaborative sensing processing of main and auxiliary sensors with the dynamic compensation mapping model, the method can achieve simultaneous and accurate determination of odor and greenhouse gas concentrations under complex backgrounds.

The application relates to the technical field of coal mine safety, in particular to a device and method for rapidly determining the gas content of a coal seam, which comprises a base, the base is provided with a sample cabin for containing a coal sample, the sample cabin is provided with a sealed cabin door, the sample cabin is provided with a resolution acceleration structure for accelerating the resolution rate of gas in the coal sample, the resolution acceleration structure comprises a coal sample crushing structure, the sample cabin is connected with a vacuum pump and a negative pressure bottle, the sample cabin, the negative pressure bottle and the vacuum pump are sequentially communicated, a first valve is arranged between the negative pressure bottle and the sample cabin, a second valve is arranged between the negative pressure bottle and the vacuum pump, the sample cabin is provided with a first air pressure sensor for monitoring the air pressure change in the sample cabin, the negative pressure bottle is provided with a second air pressure sensor for monitoring the air pressure change in the negative pressure bottle, and the base is connected with a control structure for controlling the first valve, the second valve and the resolution acceleration structure, so that the rapid and accurate determination of the gas content of the coal seam is realized.

The present application relates to a kind of pig live backfat thickness intelligent evaluation method, comprising the following steps: collecting the multi-angle contour image of test pig;Based on simplified multi-task cascade convolutional neural network SMTCNN model, the image of each target site of test pig is quickly detected and positioned;Based on multi-objective optimization deep learning model MOCNN, the image of target site of test pig is estimated;The index value of target site of test pig is further input into random forest model, and the live backfat thickness estimation value of test pig is obtained.The present application can realize the automatic estimation of pig live backfat thickness and other indicators, reduce manual intervention, save manpower, realize the intelligent analysis and rapid determination of pig phenotype, and provide effective data support for genetic evaluation.

The invention discloses a method, a device, equipment, a medium and a product for rapidly measuring chemical properties of larch wood, and relates to the field of forestry science and spectral analysis, the method comprises the following steps: collecting a near infrared spectrum of a larch sample in a preset wavelength range, and sequentially selecting an effective modeling spectrum region and pre-treating; determining the lignin content, the alpha-cellulose content and the holocellulose content of the larch sample as reference values; constructing a training set and a prediction set; establishing a near infrared spectrum prediction model of lignin, alpha-cellulose and holocellulose; verifying the prediction precision of the near infrared spectrum prediction model of lignin, alpha-cellulose and holocellulose by using the prediction set; inputting a larch sample to be detected into the model which is verified to be effective, and outputting the predicted content of lignin, alpha-cellulose or holocellulose. The method realizes nondestructive, rapid and high-precision detection of main chemical components of larch wood, and is suitable for forest tree genetic breeding and wood quality evaluation.

The invention provides a method for rapidly and accurately analyzing low-content Re in a geological sample. The method comprises the following steps: collecting a sample to be measured and crushing the sample; weighing a sample to be measured and putting the sample into a plastic centrifugal tube; sequentially adding HCl, HNO3 and a Re diluent into the plastic centrifugal tube; covering the plastic centrifugal tube with a bottle cap, carrying out ultrasonic oscillation, putting the plastic centrifugal tube into a drying oven at 105-110 DEG C, heating, and carrying out low-temperature sample dissolving; after heating is completed, the plastic centrifugal tube is put into a centrifugal machine to be centrifuged; and taking supernate and diluting, and rapidly determining the Re content by adopting MC-ICP-MS. According to the method, only a low-cost plastic centrifugal tube is used for sample dissolution, so that the detection cost is reduced by 70% on the premise of ensuring the analysis precision; according to the Re content determination method, the whole Re content process can be completed in only one day, and the analysis efficiency of a single sample is remarkably improved; the Re content determination method has the advantages of simple process, short determination period and cost saving.

The invention relates to the technical field of chemical measurement, in particular to a system and method for rapidly measuring gas solubility, and the system comprises a liquid conveying unit and a gas conveying unit; the mixing unit is respectively connected with the liquid conveying unit and the gas conveying unit, and the liquid conveyed by the liquid conveying unit and the gas conveyed by the gas conveying unit are dissolved or reach a gas-liquid balance state by utilizing the mass transfer and heat transfer characteristics of the mixing unit; and the pressure difference measuring unit is used for measuring the pressure difference value of the system, analyzing the correlation between the pressure difference value and the gas conveying flow of the gas conveying unit, and determining the gas solubility under the target pressure and the target temperature according to the critical gas conveying flow with the changed correlation and the liquid conveying flow of the liquid conveying unit. Therefore, the problem that a static balance method is long in period is solved; the instrument analysis method is expensive in equipment and limited in effect; the microfluidic structure is complex, the measurement is easily influenced by factors such as viscosity, and the stability is poor.

The invention belongs to the technical field of water quality monitoring, and particularly relates to a rapid determination kit for water hardness. Comprising a detection device and an input device, the detection device comprises a transparent shell, a detection cavity with a fixed volume inside, a tube head arranged at the front end and a silica gel piston arranged at the tail end, the silica gel piston is connected with an external push head, and a first spiral opening connected with the input device is formed in the rear end of the silica gel piston; the input device comprises a second spiral opening, the front end of the second spiral opening is connected with the detection device, a powder injection opening is formed in the second spiral opening, two filtering pieces fixed in an input device shell are arranged at the rear end of the powder injection opening, a baffle is arranged between the two filtering pieces, the baffle is connected with a tooth opening disc at the tail end, and a stainless steel baffle is arranged in the input device in the direction perpendicular to the filtering pieces. Scale marks are printed on the shell, and a spring pressing device is arranged at the tail end. The device is simple and small in structure, reliable in detection result, capable of completing mixing in a pipeline without a mixing chamber, capable of measuring trace water and reagents, green, environmentally friendly and rapid and convenient in detection process.

The invention relates to a detection device and method, in particular to a device and method for rapidly determining the content of volatile matters in a coating. The invention aims to provide the device and the method for rapidly measuring the content of the nonvolatile matter, so as to improve the consistency of a sampling process, reduce the temperature and time condition requirements for drying a sample and realize rapid and simple measurement of the content of the nonvolatile matter. According to the technical scheme, the rapid determination device for the nonvolatile matter content is characterized by comprising a disposable sampler and a film forming and shaping assembly, wherein the film forming and shaping assembly is used for driving the sampler to enable a sample dipped on the sampler to expand to form a film and standing and drying.