48results about How to "Improve assay efficiency" patented technology

The invention discloses a coal sampling method based on near infrared spectroscopy, and belongs to the field of coal quality detection.The coal sampling method comprises the steps that a near infrared spectrogram and coal quality parameters of a coal sample are obtained, a data set S1 is constructed, preprocessing is carried out, and a data set S2 is obtained; a U-Net network model is constructed; training a U-Net network model by using the data set S2; the method comprises the following steps: acquiring coal samples initially collected on a sampling site, crushing and grouping to obtain multiple groups of subsamples; adopting a near infrared spectrometer to measure the near infrared spectrogram of each subsample as input, and utilizing the trained U-Net network model to predict corresponding coal quality parameters; performing cross grouping, pairing and weighing on each group of subsamples, and calculating the relative deviation of the weight difference of each pair of coal samples; calculating the sampling precision according to the relative deviation of the weight difference and the predicted coal quality parameters; and comparing the calculated sampling precision with the target precision, and adjusting the sampling scheme to obtain a coal sampling result. Aiming at the low coal sampling efficiency in the prior art, the sampling efficiency is improved.

The invention provides a high-throughput fruit fly food intake measuring method and application thereof, and belongs to the field of animal food intake research. The method comprises the following steps: correspondingly transferring each of a plurality of fruit flies to be detected into each hole of a feeding plate of a high-throughput fruit fly feeding platform; respectively adding liquid food with set chemical components into each hole of a food bottom plate of the high-flux fruit fly feeding platform; enabling a plurality of to-be-detected fruit flies to freely ingest at a set time; measuring the content of protein in the residual liquid food after free ingestion to obtain the content of residual protein in each hole; and obtaining the food intake of each corresponding fruit fly to be detected according to the residual protein content in each hole. Based on the combination of a high-throughput fruit fly feeding platform and protein concentration measurement, the change of the liquid volume is calculated by tracking the change of the content of protein in liquid food, so that the fruit fly food intake measurement efficiency and accuracy are improved while the fruit fly food intake measurement is performed in a high-throughput manner.

The invention provides a feature reduction and generalized inverse technology-based phenotype prediction method and system for self-adaptive fusion of linear and nonlinear effects, and constructs a new model for self-adaptive fusion of linear and nonlinear effects of prediction factors for crop phenotype prediction. And the importance degree of different effects on the phenotype is evaluated through a self-adaptive weight adjustment method, so that the function of comprehensively considering the influence of the linear main effect and the nonlinear relationship in crop phenotype prediction is realized. When the method is used for solving the model, the training data set is subjected to feature reduction, and the model is rapidly and effectively solved by using the generalized inverse, so that the determination efficiency of the phenotype value of the biological material is improved. According to the invention, model learning is carried out through the learning set and the test set obtained by multiple times of random division of the experimental data set, the system error of the model is reduced, and the stability of the phenotype prediction result is improved. The effectiveness of phenotype prediction is verified on genotype data based on DNA molecular markers and intermediate omics data based on metabolites.

The utility model discloses highway engineering roadbed compactness detection equipment which comprises a stable mounting plate and a liquid crystal display, the liquid crystal display is located in the middle of the front end of a sand filling cylinder, a valve mounting plate is slidably connected to the interior of a limiting cavity, and a rotating rod is movably connected to the right side of the valve mounting plate. A sand guide groove is welded to the lower portion of the sand filling cylinder, a gravity detector is fixedly connected to the lower portion of the cylindrical pipe, a fixing groove is formed in the stable mounting plate, a fastening column is movably connected to the middle of the upper portion of the stable mounting plate, and the sand filling cylinder is movably connected to the interior of a fastening mounting ring. The limiting pin prevents the stable mounting plate from deviating, the protective base plate on the outer surface of the valve mounting plate is in contact with the limiting cavity to form a closed space, so that sand above the valve mounting plate cannot flow into the sand filling cylinder, the amount of sand flowing out can be automatically controlled by controlling the transmission motor, and the amount of sand in a pit hole can be monitored in real time.

The application discloses a method for determining the content of chromium in a mixture of iron and chromium, and comprises the following steps: S1, oxidizing the divalent iron ions in the mixture of iron and chromium into trivalent iron ions under an acidic condition; S2, adding sodium hydroxide solution and hydrogen peroxide under stirring, so that the trivalent iron ions form iron hydroxide precipitate, and the trivalent chromium ions are oxidized into hexavalent chromium ions; S3, adding an acidic solution, so that the iron hydroxide precipitate is dissolved, and the wrapped trivalent chromium ions are released; adding sodium hydroxide solution and hydrogen peroxide under stirring, so that the trivalent iron ions form iron hydroxide precipitate, and the released trivalent chromium ions are oxidized into hexavalent chromium ions; S4, repeating the step S3 X times; X is an integer greater than 0; and S5, determining the content of chromium in the mixture. The method for determining the content of chromium in the mixture of iron and chromium has the advantages of accurate measurement, high precision, simple operation and improved efficiency of the determination of the content of chromium.

The utility model discloses a kind of visual calibration device of astigmatism eye focal line, comprising: axial position scale board, board face is printed with E-type visual target for distant visual detection;Cross visual target disc, coaxially rotatably embedded in through-hole;Several groups of pinholes, each group is arranged along visual target line two sides straight line, pinhole center connecting line is parallel with corresponding visual target line;Fixed shaft is through cross visual target disc center, and is mechanically connected with transmission device;LED light source, set in axial position scale board back surface.The utility model has beneficial effect: the utility model can provide clear and visible and invariable measured astigmatism eye objective existence astigmatism focal line of the person being examined, and can accurately determine the clear criterion that cross visual target line coincides with the focal line, so as to maximumly improve the accuracy of astigmatism eye astigmatism axial calibration, reduce the deviation of calibration astigmatism axial direction and actual astigmatism axial direction, improve determination accuracy and determination work efficiency.

The present application relates to the technical field of plant science, and particularly relates to a device and method for measuring the anatomical structure of plant fine roots without thin sectioning. By directly staining, stably positioning and microscopically observing the cross section of fine roots, clear and complete anatomical images of the cross section of fine roots can be obtained without dehydration, embedding and ultrathin sectioning, and reliable measurement of anatomical parameters can be realized. The steps of fixing, dehydrating, embedding and ultrathin sectioning are omitted, the sample preparation process is significantly simplified, the time from processing to imaging is shortened, the overall measurement efficiency is improved, and the device is suitable for multi-sample and batch analysis scenarios. Under the premise of ensuring the reliability of the identifiable and measurable anatomical structure, the process is simplified, the efficiency is improved and the cost is reduced, and the device has good technical value and application prospect.

The invention belongs to the technical field of spectral analysis, and particularly relates to an XRF (X-Ray Fluorescence) testing method for measuring all components in coal ash and coal gangue extracts-Al / Si oxides, and the testing method comprises the following steps: S1, preparing a standard sample; s2, preparing a standard sample wafer; s3, measuring a standard sample wafer; s4, establishing an application method; and S5, testing the to-be-tested sample. According to the present invention, the Al / Si oxide component test application method is developed and established by using the XRF fluorescence spectrometer, and the application method completely meets the component analysis of various products in the existing fly ash and coal gangue extract-Al / Si oxide production process, and has characteristics of simple operation, accuracy, excellent accuracy and excellent precision, and great feasibility is reserved for the test range of a subsequent extension method.

The utility model belongs to the field of sulfur content measurement in mining industry, and relates to a sampling and lofting tool in a vulcanization process, which comprises a rod body, a rod head and a rod tail, the rod head is perpendicular to the rod body; the rod head is provided with a ring or a hook head matched with the porcelain boat; the total length of the rod body, the rod head and the rod tail is larger than the pipeline length of the tubular electric furnace. A mark is arranged at the position, consistent with the center length of a pipeline of the tubular electric furnace, of the rod body. The porcelain boat can be accurately placed in the center of an electric furnace tube.

The present application specifically relates to a device and method for measuring the surface flatness and angle of a concrete test block. The device includes five laser groups: upper, lower, left, right, and front. The upper and lower laser groups include four laser sensors, and the remaining groups include three laser sensors. The laser points of the upper and lower laser groups are rectangular, and the remaining groups are L-shaped. The method in the present application can measure the angle and flatness between each surface by combining the spacing measured by the laser sensor with trigonometric function operations. The present application can efficiently and concisely measure the flatness and angle of the other five surfaces except the rough surface at the same time, effectively improving the credibility of the test block measurement data.

The invention belongs to the technical field of expansive soil shear strength detection, discloses an expansive soil in-situ shear strength parameter determination method, and aims to solve the problem that the difference between the shear strength and the actual shear strength is large when the shear strength is calculated after c and phi in a reconnaissance stage are adopted for reduction during retaining design. The method comprises the following steps: (1) obtaining shear strength parameters c and phi of the undisturbed expansive soil under different water contents omega, and obtaining functional relational expressions c = f1 (omega) and phi = f2 (omega) between c and phi and the water contents omega; (2) acquiring the water content omega of the expansive soil by using an in-situ measurement mechanism; (3) substituting the obtained water content omega into the function relation in the step (1): c = f1 (omega); and phi = f2 (omega), so that the shear strength parameters c and phi can be obtained, the actual shear strength of the expansive soil can be obtained, and the designed support is safer and more reliable.

The invention belongs to the technical field of leather cultural relic protection, and discloses an efficient and lossless leather cultural relic tanning strength determination method. According to the method, a synchronous radiation light source is adopted to obtain a wide-angle X-ray one-dimensional diffraction pattern of a leather cultural relic sample (the moisture content is 5%-10%), the transverse stacking distance between collagen molecules is calculated through the pattern, the tanning strength is calculated according to the transverse stacking distance, and rapid, lossless and accurate quantification of the tanning strength of the leather cultural relic is achieved. The method effectively solves the problems of scarcity of samples, irregular shapes and the like, and provides reliable scientific data support for evaluating the stability of leather cultural relics and developing preventive protection.

The invention discloses a method for rapid detection of multiple polybrominated biphenyls in water quality. The method comprises the following steps: collecting a first water sample, performing a dechlorination treatment on the first water sample to obtain a sample to be extracted; filtering the sample to be extracted; performing a pH adjustment treatment on the sample to be extracted after the filtering treatment to obtain a sample to be enriched; enriching the sample to be enriched to obtain a liquid to be tested; configuring a standard solution, setting a first chromatographic condition, and confirming a calibration curve according to the standard solution and the first chromatographic condition; detecting the content of polybrominated biphenyls in the sample according to the liquid to be tested, the first chromatographic condition and the calibration curve; the method can establish a fully automatic solid phase extraction-gas chromatography method for determining 20 polybrominated biphenyls in water quality, and focuses on optimizing and exploring gas chromatography conditions and solid phase extraction conditions. The method has high automation degree in sample pretreatment, low organic solvent dosage, simple operation, good analytical sensitivity, and high recovery rate and precision.

A device and operation method for measuring the distribution of sludge beds by combining sonar with a remotely operated vehicle (ROV), comprising a remotely operated vehicle (ROV) body, a GPS positioning module, a sonar module, a data transmission module and a hull stabilizer. The remotely operated vehicle (ROV) is equipped with a GPS positioning module and a sonar module, and the bottom sludge bed structure is measured and recorded by sonar; after the movement trajectory of the remotely operated vehicle (ROV) is preset, the movement of the remotely operated vehicle (ROV) is controlled by the GPS positioning module to ensure that the sonar can automatically measure all the sludge beds to be measured. An operation method for measuring the distribution of sludge beds by combining sonar with a remotely operated vehicle (ROV) is provided. The present invention can effectively measure the bottom sludge bed structure of sewage treatment units such as stabilization ponds, surface flow artificial wetlands and sewage secondary sedimentation tanks, has good economy and practicality, and is simple, fast and low-cost to implement.

The present invention discloses a cement stabilized soil laboratory strength determination device and method, and relates to the field of cement stabilized soil testing, the device comprises: a movable platform, which comprises mutually spliced guide rail frames, the guide rail frames are provided with a driving motor and a base, and a screw rod is arranged between the driving motor and the base; the bearing table is arranged on the guide rail frame in a sliding mode, and the bearing table is matched with the screw rod through a nut; the feeding assembly is arranged on the side of the movable platform; the maintenance assembly is arranged on the bearing table, and the maintenance assembly is connected with the water supply assembly; and the test assembly is arranged in the bearing cylinder, and a plurality of test piece bodies are arranged in the test assembly. According to the device, materials for cement stabilized soil tests are prepared in batches, test pieces are efficiently prepared according to different proportions, meanwhile, maintenance conditions under the same environment are adopted, errors are reduced, testing assemblies are integrated for determination, and the whole device integrates test piece preparation, maintenance and determination into a whole.

The invention relates to the technical field of chemical analysis, and discloses a dry powder extinguishing agent dihydrogen phosphate rapid determination method which comprises the following steps: a) taking 0.5-1.0 g of a dry powder extinguishing agent sample, accurately weighing the dry powder extinguishing agent sample to 0.001 g, and placing the dry powder extinguishing agent sample in a reaction container with a magnetic stirrer and a temperature control system; b) adding 50 milliliters of ultrapure water into the reaction container, and stirring for 5 minutes at the speed of 300 revolutions per minute at room temperature to fully dissolve the sample; c) filtering the dissolved sample solution through a 0.22 micron polytetrafluoroethylene filter membrane to remove insoluble impurities so as to obtain a clear filtrate; and d) adding a color developing reagent A (formed by mixing ammonium molybdate and nitric acid and with the concentration of 0.25 M) into the filtered filtrate. By accurately weighing to 0.001 g, the accuracy of the sample amount is ensured, the error in the measurement process is reduced, and the reliability of the measurement result is improved; the measurement accuracy is improved; the dissolving efficiency is obviously improved, the dissolving time is shortened, and the sample is fully dissolved.

The invention relates to the technical field of lean meat percentage measurement, in particular to a lean meat percentage measurement method and system.The lean meat percentage measurement method comprises the steps that geometric correction is conducted on an obtained image of a meat product to be measured, distortion of the image of the meat product to be measured is automatically recognized and corrected, and a first image is obtained; performing semantic segmentation on the first image by adopting a preset semantic segmentation network to obtain a second image with lean meat pixels and fat meat pixels, and accurately distinguishing a lean meat area and a fat meat area in the meat product to be detected; and the lean meat percentage of the meat product to be detected is obtained by calculating the percentage of the total number of the lean meat pixels accounting for the sum of the total number of the lean meat pixels and the total number of the fat meat pixels, so that the accuracy of lean meat percentage detection is improved, the detection efficiency is higher, a physical separation process is not needed, and the integrity and sanitary state of the meat product are protected.

The utility model relates to the technical field of grinding, and provides a grinding fixing mechanism and a grinding machine provided with the grinding fixing mechanism. The grinding fixing mechanism comprises an angle adjusting assembly, a rotating assembly and a supporting table. The angle adjusting assembly comprises an assembling table and a movable table slidably connected to the assembling table, the assembling table is provided with an arc-shaped sliding way with a first axis, and the movable table can swing on the arc-shaped sliding way around the first axis relative to the assembling table. The rotary assembly is mounted on the movable table and can synchronously move along with the movable table; the rotary assembly is provided with a second axis, and the second axis and the first axis are arranged at an angle. The supporting table is installed on the rotating assembly and can rotate around the second axis under the action of the rotating assembly, and the supporting table can swing around the first axis along with the rotating assembly. The supporting table is used for fixing a to-be-machined workpiece. According to the grinding fixing mechanism, the pitching angle and the horizontal angle of the workpiece to be machined can be accurately adjusted, and then the measuring precision is improved; and the whole operation is simple and convenient, and the measurement efficiency is improved.

The invention discloses a method for measuring the content of 1-propyl cyclic phosphoric anhydride in lithium ion battery electrolyte, which comprises the following steps: 1, preparing a sample solution to be measured, 2, preparing a standard solution, 3, adopting an anion chromatograph under the following conditions: an acetonitrile water system with Na2CO3 and NaHCO3 contents of 2.4 mmol / L to 3.6 mmol / L is adopted as a leacheate, and the volume ratio of water to acetonitrile is 3: 1; concentrated sulfuric acid is adopted as regeneration liquid; respectively measuring the sample solution to be measured and the standard solution, and obtaining the content of the 1-propyl cyclic phosphoric anhydride in the electrolyte of the lithium ion battery to be measured through a formula and a single standard correction mode according to the peak appearance time and the peak appearance area. The method has the advantages of simple steps, convenience, rapidness, high accuracy and good stability. The efficiency of measuring the 1-propyl cyclic phosphoric anhydride in the electrolyte of the lithium ion battery is greatly improved, and reliable guarantee is provided for the quality of the lithium ion battery.

The invention discloses a sulfur component multi-parameter measuring system, which comprises a weighing unit, a heating unit and a control unit, the control unit controls the heating unit to heat to a set temperature according to a set heating rate; the weighing unit is used for weighing the mass of the sulfur sample in the heating unit. The control unit controls the heating unit to heat to a set temperature according to a set heating rate; the weighing unit is used for weighing the mass of a sulfur sample in the heating unit, the mass of the sulfur sample can be weighed by the weighing unit without taking out the heating unit, meanwhile, the condition that the sample can be taken out after being cooled is also omitted, the steps of taking out the sample and cooling the sample are reduced, the determination time of the components of the sulfur sample is shortened, and the detection efficiency is improved. The sulfur sample determination efficiency is improved, the step of taking out the sample is reduced, the risk that the taken-out sample is polluted is also avoided, and the sulfur sample component determination accuracy is improved.

This invention relates to the field of environmental monitoring technology, specifically a mobile chlorophyll extraction and acidification magnesium removal device and its usage method. The device includes a movable housing made of aluminum composite material, providing light-shielding properties. A horizontal rotating shaft is located at the top, connecting to a light-shielding cover plate, allowing the cover plate to open and close 180° above the movable housing. The light-shielding cover plate is equipped with an automatic opening mechanism. This mechanism includes a first sliding motor module installed near the bottom of the light-shielding cover plate, connected to the sliding cover plate. The sliding cover plate has a semi-open J-shaped structure, with its end bend located at the bottom of the light-shielding cover plate, and is equipped with an angled opening device. This invention enables chlorophyll extraction, acidification magnesium removal, and rapid measurement, improving the efficiency and accuracy of chlorophyll index detection in eutrophication water bodies.

The present invention discloses an insect toxicity determination device and method, which relates to the technical field of insect toxicity determination. The device comprises a leaf preservation and drying cover, a spray leaf immersion chamber and a drug storage bin; the leaf preservation and drying cover is connected to the spray leaf immersion chamber via a matching piece directly above the spray leaf immersion chamber; the drug storage bin is connected to the spray leaf immersion chamber via a matching piece directly below the spray leaf immersion chamber. The present invention dries the immersed leaves through the leaf preservation and drying cover, avoids the disadvantage of having to carry a large amount of filter paper when working in the field by using the leaf immersion method, and improves the efficiency of insect toxicity determination.

The utility model relates to cement detection technical field. A kind of cement specific surface area detection device, different orientation of workbench is different working position, and working position includes test sample cylinder assembly position, cement weighing position, cement compaction position and determination position, and the determination box corresponding with determination position is equipped in the middle part of workbench, and determination device is equipped in determination box, and regulating and control device for ensuring that determination environment is stable is further equipped in determination box.The utility model provides a kind of cement specific surface area detection device, which can avoid the influence of external environment on test accuracy, ensure test result accuracy, effectively increase determination efficiency, can satisfy higher detection demand;Solve the technical problems in the prior art, the current cement specific surface area determination mode is relatively single, the detection efficiency is low, and the test result is susceptible to environmental influence, and cannot satisfy higher detection demand.

The invention discloses a rapid determination device and method for formaldehyde in indoor air, and relates to the technical field of indoor formaldehyde detection, including a mobile component and a dust filter collection component, wherein the mobile component includes a directional rail and a mounting seat, and the dust filter collection component includes a dust filter cylinder. The rapid determination device of the invention can accelerate the falling of dust attached to a fine filter screen, and the fallen dust is collected by a sticky net, thereby preventing dust from blocking the passage of air, accelerating the passage of air while realizing the operation of air dust filtration, and improving the effect of formaldehyde determination efficiency.

The present invention relates to the field of construction engineering technology, and specifically to a device for measuring the verticality of a building formwork frame, including a center seat, a telescopic assembly, an adjustment seat, a push rod, an upper clamping seat, a swing rod and a lower clamping seat; multiple groups of telescopic assemblies are arranged around the center seat, the adjustment seat is correspondingly fixed to the telescopic end of the telescopic assembly, a horizontal bubble meter is arranged on the telescopic assembly or the adjustment seat, the adjustment seat is fixed with a push rod, the end of the push rod is hinged to the upper clamping seat; the swing rod is hinged to the adjustment seat, and the end of the push rod is hinged to the lower clamping seat; corresponding slots are arranged on the upper clamping seat and the lower clamping seat, so that the line connecting the hinge points of the upper clamping seat and the lower clamping seat can represent the tilt state of the measured column. The present invention is aimed at a formwork frame structure with multiple columns, and by adjusting the telescopic assembly and the triangulation structure, it can realize rapid adaptation to different column spacings and diameters, and uses angle sensors or laser calibration technology to quickly evaluate the column inclination, thereby improving measurement efficiency and accuracy.

The application relates to the technical field of mines, and provides a multi-section type water injection hole sealing device for measuring mine rock stratum fissures, which is arranged in a closed drill hole at one end of a mine rock stratum and comprises N bag hole sealers arranged along the length direction of the drill hole, each bag hole sealer is provided with a grouting pipe and a water injection pipe, the grouting pipe and the water injection pipe of two adjacent bag hole sealers are connected in communication through a medium slurry pipe and a medium water pipe respectively, N is a positive integer, the grouting pipe is used for injecting expansion medium into the bag hole sealer, a plurality of bag hole sealers are sequentially injected with expansion medium from inside to outside along the length direction of the drill hole to expand and seal the drill hole, and the water injection pipe is used for injecting water into one end of the corresponding bag hole sealer close to the closed end of the drill hole. The multi-section type water injection hole sealing device for measuring mine rock stratum fissures has the advantages that the drill hole fissures between the two ends can be simultaneously measured, repeated operation is not needed, and the measurement efficiency is improved.

The present application discloses a cement-stabilized soil laboratory strength determination device and method, which relates to the field of cement-stabilized soil testing, and the device includes: a movable platform, including mutually spliced ​​guide rail frames, and the guide rail frames are provided with a drive motor and a base, and a screw is provided between the drive motor and the base; a support table, slidably arranged on the guide rail frame, and the support table cooperates with the screw through a nut; a feeding assembly, arranged on the side of the movable platform; a maintenance assembly, arranged on the support table, and the maintenance assembly is connected to the water supply assembly; a test assembly, arranged in the bearing tube, and a plurality of specimen bodies are placed in the test assembly. The present application prepares materials for cement-stabilized soil testing in batches, adopts different proportions to efficiently prepare specimens, and adopts maintenance conditions under the same environment to reduce errors, and integrates the test assembly for measurement. The entire device integrates specimen preparation, maintenance and measurement into one.

The utility model discloses a tablet hardness measuring device for medicine research and development, which comprises a base, the top of the base is fixedly communicated with two pairs of vertical plates, the two pairs of vertical plates are jointly and fixedly connected with a top plate, a tablet tube fixedly connected with the top plate is arranged on the top plate in a penetrating manner, a plurality of tablet bodies are stacked in the tablet tube, and the tablet bodies are fixedly connected with the top plate. An electric telescopic rod is fixedly connected to the bottom of the top plate, a hardness measuring block is fixedly connected to the bottom of the electric telescopic rod, a motor is fixedly connected to the rear end of the vertical plate on the left rear side, each pair of vertical plates are jointly and rotationally connected with a rotating rod, and the rotating rod on the left side is fixedly connected with the output end of the motor. Tablets can be conveyed through the conveyor belt, so that the measuring efficiency is improved; and a brush roller drives a brush to rotate, so that the conveying belt can be cleaned, residual tablet chippings are cleaned, cleanliness of the surface of the conveying belt is guaranteed, follow-up tablets are stably placed, and the follow-up tablet detection effect is good.

The invention relates to a method, a device and equipment for measuring the water content of a salinized soil body, a storage medium and a computer program, and the method comprises the following steps: generating the electric flux density and the volume fraction of component substances in a natural soil body one by one, and generating the apparent dielectric constant of the natural soil body according to the electric flux density and the volume fraction; generating a dielectric shape factor of the component substance, establishing an association relationship between the apparent dielectric constant and the relative dielectric constant according to the dielectric shape factor and the apparent dielectric constant, determining a soil conductivity theoretical model of the natural soil according to the association relationship, and generating the conductivity of the component substance, establishing a relation model of the volume conductivity and the water content of the natural soil body according to the soil body conductivity theoretical model and the conductivity, and generating the water content of the to-be-measured soil body by utilizing the pre-acquired apparent dielectric constant of the to-be-measured soil body, the pre-acquired conductivity of the to-be-measured soil body and the relation model. The method can improve the efficiency of measuring the water content of the salinized soil body.

The invention discloses a reading device for accurately measuring the volume of a specific tissue by a drainage method, the reading device comprises a placing box, a quantitative cap bottle and an automatic measurer, a plurality of placing tables are vertically and horizontally arranged in a box bin of the placing box, and the quantitative cap bottle can be inversely mounted on the upper parts of the placing tables to form a quantitative measurement chamber; a substrate bin is arranged on the lower portion of the box bin, a plurality of matching assemblies in one-to-one correspondence with the containing tables are installed in the substrate bin, vertical through rods are installed on the upper surfaces of the containing tables, the bottom ends of the vertical through rods communicate with the inner space of the vertical through rods and the inner space of the quantitative measuring cavity, and the vertical through rods are hollow and provided with floating blocks; the automatic measurer comprises a main machine barrel, a control panel, a liquid injection head and a liquid supply butt joint, a storage battery, a metering pump and a control mainboard are installed in the main machine barrel, a liquid level detection head electrically connected with the control mainboard is installed at the bottom end of the liquid injection head, tedious liquid changing operation is not needed during large-scale detection, and efficient measurement can be conducted.