2172 results about "Moisture" patented technology

The present invention relates to a humidity sensor, and more particularly, to a resistance film-type real-time chromogenic humidity sensor produced with a polyelectrolyte thin film. The humidity sensor according to the present invention is a chromogenic hygrometer in which a polyelectrolyte nano thin film that absorbs moisture is formed on a reflective layer, and the nano thin film varies terms of color and electrical resistance as moisture is absorbed and the thickness varies. The hygrometer according to the present invention is a dual-function hygrometer, the color and resistance of which vary. Provided is the chromogenic hygrometer in which the sensor made using a PSS-b-PMB thin film varies in color between purple, blue, green, yellow, orange, and red according to humidity at a very high response speed of within one minute.

A container for collecting liquid for transport, includes a shell having a port adapted for receiving tubing and configured to define a chamber that has a window in an exterior surface of the shell. The window is so positioned that when a wicking material, which is adapted to be applied against a particular source of moisture and which is so dimensioned that when the wicking material is received within the shell and applied through the window to the particular source of moisture, the shell is at least partially closed so that when tubing is inserted through the port into the shell chamber and the shell is otherwise closed a partial vacuum can be created within the shell chamber to draw moisture into the shell chamber through the wicking material for collection as a liquid within the shell chamber for transport from the shell chamber via the tubing. A wicking material applicator includes a material having openings and formed to define an extended hollow framework about which the wicking material can be, or is, disposed.

The invention discloses a muck water content prediction method and system suitable for shield tunnel construction, and the method comprises the steps: obtaining first data corresponding to to-be-measured muck in the shield tunnel construction in real time based on a self-adaptive window; in combination with a triangle cumulative sectional area method and an AE-FPFH-ICP algorithm, performing parallel processing to generate second data and third data corresponding to the to-be-measured muck; constructing a PLS-SVR combined model, and according to the PLS-SVR combined model, respectively combining the first data, the second data and the third data, and generating fourth data corresponding to the to-be-measured muck in real time; according to the method, the system and the platform corresponding to the method, high precision and robustness are shown in muck water content detection, the constructed PLS-SVR combined model is excellent in performance when processing a complex nonlinear relation, the water content of muck can be accurately predicted in real time, adaptability is high, and the high-precision requirement of tunnel construction for water content detection is met.

The invention relates to the technical field of process adjustment, in particular to an automatic adjustment method and system for the drying process of traditional Chinese medicinal materials, and the method comprises the following steps: monitoring the moisture evaporation condition of the traditional Chinese medicinal materials in the drying process in real time through a weight sensor, calculating the moisture evaporation speed of the traditional Chinese medicinal materials; and analyzing the relationship between the moisture evaporation speed and the environmental condition, dynamically adjusting the temperature and humidity condition to match the moisture evaporation speed requirement, and generating dry environment basic data. According to the method, the moisture evaporation rate and temperature and humidity conditions are monitored in real time, the drying environment is dynamically adjusted, uniform removal of moisture is ensured, heat and humidity distribution analysis is combined, the temperature and humidity in the drying chamber can be accurately adjusted, uneven local drying is avoided, the moisture evaporation rate and temperature and humidity changes in the drying process are dynamically adjusted and optimized, and the drying efficiency is improved. And the risk of excessive drying or moisture residue is avoided, control parameters are adjusted according to the difference between water evaporation and the target drying process, and the drying effect stability is improved.

The invention discloses a method for calculating the insulation field intensity of a transformer under the influence of moisture and temperature distribution, and relates to the technical field of electric power engineering, and the method comprises the steps: constructing a multi-physical field coupling simulation platform for monitoring and analyzing the temperature, humidity and electric field distribution in the transformer; setting a humidity sensitive element array, collecting humidity data, and transmitting the humidity data to a central processing unit for processing; constructing an insulation prediction model through a deep neural network algorithm, inputting the insulation prediction model based on historical humidity, historical temperature and insulation state data to complete training, and predicting a change trend of insulation field intensity under a specific working condition; processing the real-time data, inputting the processed real-time data into the insulation prediction model to obtain a real-time insulation state prediction value, and dynamically adjusting parameters of the insulation prediction model; an abnormity early warning mechanism is established based on a real-time insulation state prediction value, and once an insulation state abnormity is detected, the system immediately starts early warning to inform operation and maintenance personnel to check and maintain.

Methods and apparatuses for drying electronic devices are disclosed. An exemplary method comprises: placing a portable electronic device into a drying chamber; providing a first air channel, wherein the first air channel connects the drying chamber, a pressure-generating device, and a moisture-reducing device; generating a first air flow through the first air channel using the pressure-generating device; removing a first moisture from an interior of the portable electronic device to an exterior of the portable electronic device; detecting moisture removed from the portable electronic device; pausing the generating the first air flow through the first air channel based on the amount of moisture; providing a second air channel, wherein the second air channel connects the moisture-reducing device, the pressure-generating device, a valve, and an evacuation channel; generating a second air flow through the second air channel using the pressure-generating device; and removing a second moisture from the moisture-reducing device.

The invention relates to a soil dry density and moisture content calibration and measurement method and device based on an active heating optical fiber, computer equipment and a computer readable storage medium. The method comprises the following steps: configuring first test soil samples with specified dry densities and different mass moisture contents; obtaining temperature characteristic values of the first test soil samples under the conditions of specified dry density and different mass moisture contents; fitting a temperature characteristic value-mass moisture content calibration formula; respectively heating and testing the second test soil samples with different mass moisture contents under different dry density conditions to obtain a temperature characteristic value-mass moisture content calibration formula under different dry density conditions; establishing a calibration correction model which simultaneously considers two parameters of dry density and mass moisture content; and obtaining the dry density or the mass moisture content of the to-be-detected soil body. By adopting the method, the limitation that a traditional model is only suitable for a single dry density condition can be broken through, and accurate measurement on the in-situ soil body under different dry density and mass moisture content conditions is realized.

The invention relates to the field of vacuum bag materials, in particular to an anti-freezing vacuum bag capable of keeping freshness of fresh food and a preparation method of the anti-freezing vacuum bag. The anti-freezing vacuum bag capable of keeping the freshness of the fresh food comprises the following raw materials: matrix resin, a solid filler, a polymerization compound additive, an antioxidant, a reinforcing agent, a toughening agent and the like. The vacuum bag material not only has good mechanical properties, but also can keep good strength stability in a low-temperature use environment, the probability of embrittlement, damage, softening and mechanical property reduction is greatly reduced, meanwhile, the barrier property of the vacuum bag material to molecules such as moisture and oxygen can be guaranteed, and the service life of the vacuum bag material is prolonged. The vacuum bag has excellent environmental moisture and temperature resistance in the long-term use process, the effective ice crystal resisting effect is achieved, the performance requirements of existing consumers for high-performance vacuum fresh-keeping materials are fully met, and very excellent application prospects are achieved.

The invention discloses a method and a device for testing moisture migration characteristics of frozen soil under low-temperature nuclear magnetic triaxial seepage, and relates to the technical field of frozen soil testing. In order to solve the problems that in the prior art, compatibility control of freezing and seepage cannot be achieved, and whole-process evolution of frozen soil moisture migration characteristics is difficult to dynamically capture, the scheme comprises the following steps that the real confining pressure, axial pressure and seepage speed of the environment where a soil sample is located are simulated; collecting a nuclear magnetic resonance image and an overall and layered T2 spectrum of the soil sample before freezing under the action of seepage; gradually freezing the soil sample based on different temperature gradients, and collecting a nuclear magnetic resonance image and an overall and layered T2 spectrum of the soil sample under the seepage and freezing coupling action in real time; data are collected according to the whole soil sample freezing process, and the evolution law of water migration characteristics in the soil body freezing process is analyzed. According to the invention, the whole-process, visual and nondestructive detection is realized, and the whole-process evolution rule of water migration characteristics such as unfrozen water content and pore cracks in the frozen soil under the seepage and freezing coupling action can be accurately captured.

Methods and apparatuses for drying electronic devices are disclosed. An exemplary method comprises: placing a portable electronic device into a drying chamber; providing a first air channel, wherein the first air channel connects the drying chamber, a pressure-generating device, and a moisture-reducing device; generating a first air flow through the first air channel using the pressure-generating device; removing a first moisture from an interior of the portable electronic device to an exterior of the portable electronic device; detecting moisture removed from the portable electronic device; pausing the generating the first air flow through the first air channel based on the amount of moisture; providing a second air channel, wherein the second air channel connects the moisture-reducing device, the pressure-generating device, a valve, and an evacuation channel; generating a second air flow through the second air channel using the pressure-generating device; and removing a second moisture from the moisture-reducing device.

The invention discloses a device for monitoring the moisture content of soil at different depths and application of the device. The device comprises a main rod, a driving structure and a sensor, a cavity is formed in the main rod, a plurality of detection windows are formed in one side of the main rod, and the detection windows are sealed by elastic bodies; the driving structure comprises a driving belt, and the sensor is driven to be close to or far away from the detection window, so that the probe penetrates through the elastic body or retracts. According to the device for monitoring the moisture content of the soil at the different depths, the driving belt is used for driving the sensors to move in the radial direction of the main rod in series, so that the sensors penetrate through the elastic body arranged at the detection window to achieve moisture content detection, a gap between two times of detection can retract into the main rod, long-term erosion to the sensors is avoided, and the detection accuracy is improved. The service life of the sensor is obviously prolonged; the detection precision of the sensor is maintained; in addition, the driving mode of the driving belt avoids failure caused by entrainment of a small amount of soil particles, and the long-term stable monitoring capability of the device is further improved.

The invention discloses a method and device for detecting the moisture content of an insulating material, and relates to the field of insulating material detection.The method comprises the steps that a to-be-detected transmission terahertz time-domain signal is obtained; the to-be-detected transmission terahertz time-domain signal is a time-domain signal obtained after terahertz waves are emitted to the to-be-detected insulating material and penetrate through the to-be-detected insulating material; converting the to-be-measured transmission terahertz time domain signal into a frequency domain signal to obtain a to-be-measured transmission terahertz frequency domain signal; performing feature extraction on the to-be-measured transmission terahertz time domain signal and the to-be-measured transmission terahertz frequency domain signal to obtain terahertz frequency spectrum features of the to-be-measured insulating material; the terahertz frequency spectrum characteristics comprise a time domain signal peak value difference value and an absorption coefficient integral value; and determining the moisture content of the to-be-detected insulating material according to the terahertz frequency spectrum characteristics of the to-be-detected insulating material and the quantitative curve of the terahertz frequency spectrum characteristics and the moisture, and realizing nondestructive detection of the moisture content of the to-be-detected insulating material.

The invention provides a material drying control method and device, equipment and a storage medium, relates to the technical field of drying treatment, solves the technical problem that the material drying effect is poor due to the fact that control and adjustment in the drying process are not matched with the material moisture evaporation condition in the related art, and can more accurately judge the environment parameters in the drying process and improve the drying efficiency. Therefore, the operation parameters of the equipment are adjusted to be matched with the material moisture evaporation condition, and the material drying effect of the equipment is improved.

The invention discloses a power distribution overhead conductor tree touch fault fire moment determination method and system, and the method comprises the following steps: building an experiment environment, and collecting whole-process data according to a preset sampling frequency in the experiment environment; obtaining the initial moisture content of the experimental tree, calculating the moisture evaporation heat absorption amount and the moisture evaporation mass of the tree model, updating the moisture content of the tree, and performing aligned storage according to time; fitting the relation of the conductivity, the moisture content and the temperature of the tree in the whole process to obtain a conductivity function; constructing a resistance simulation curve by using a conductivity function according to the moisture content and the temperature of the tree, and constructing a resistance actual measurement curve by using voltage and current data collected in an experimental environment; and comparing the resistance simulation curve with the resistance actual measurement curve, and judging the moment when the resistance simulation curve and the resistance actual measurement curve are obviously bifurcated as the moment when the open fire appears. The method is wide in application range and low in cost and maintenance difficulty, and high accuracy is guaranteed.

The invention discloses a saturated seepage zone and unsaturated moisture zone identification method based on an active heating optical fiber, and the method comprises the steps: carrying out the thermal response test of a to-be-tested soil body through the power supply of an AH-UWFBG optical cable, and obtaining a response curve of a temperature rise value [delta] T of the to-be-tested soil body along with time t; the AH-UWFBG optical cable is placed in the saturated soil body, and the temperature rising value delta Tsat of the saturated soil body and the time t0 when the slope of a delta T-lnt curve of the saturated soil body reaches the stable state are measured; judging a boundary line of a saturated seepage zone and an unsaturated water zone in the to-be-detected soil body by judging the slope of the delta T-lnt curve and the size relationship between delta T and delta Tsat, and calculating the water content under the condition of no seepage and the seepage speed under the condition of seepage; the invention provides a new method for monitoring the hydrological process, and more accurate and comprehensive soil moisture and seepage data can be provided for the fields of environmental science, water resource management, agricultural production and the like.

The invention belongs to the technical field of tunnel engineering, and particularly relates to a cold region tunnel water thermal coupling numerical modeling method and system. The method comprises the following steps: establishing an equal-proportion tunnel geometric model; defining equation variables, and setting various parameters, boundaries and initial conditions of materials; performing grid division to obtain a tunnel numerical calculation model; based on the tunnel numerical calculation model, solving a pre-constructed tunnel hydrothermal-thermal coupling mathematical model to obtain tunnel temperature field, moisture field and stress field distribution data; the tunnel water thermal-mechanical coupling mathematical model comprises a temperature field control equation, a moisture field control equation and a stress field control equation; and visualizing the distribution data of the temperature field, the moisture field and the stress field of the tunnel to obtain the change conditions of the temperature field, the moisture field and the stress field of the tunnel in winter. The method can effectively simulate and analyze the distribution conditions of moisture, temperature and stress of the tunnel in the cold region under the multi-field coupling condition, and provides scientific basis for design and maintenance of tunnel engineering in the cold region.

The invention relates to the technical field of soil detection, in particular to a soil moisture detection device which comprises a shell, a sampling opening is formed in one side of the shell, a sampling mechanism is further arranged in the shell and comprises a vertical plate and a push plate which are fixed to the inner bottom face of the shell, and two movable plates are symmetrically installed on one side of the push plate in a sliding mode. Through holes are formed in the corresponding positions of one side of the vertical plate, the two movable plates penetrate through the through holes in the corresponding positions and are jointly connected with a sampler, the sampling mechanism and the auxiliary mechanism are arranged, so that the sampling procedure and the drying procedure are combined, and through a rotating shaft arranged in the material box and a crushing rod on the surface of the rotating shaft, the crushing efficiency is improved. The rotating shaft rotates to drive the crushing rod to rotate so as to crush the weighed soil sample, then the contact surface of the loose soil sample and air is enlarged, the heating device can accelerate evaporation of water in the soil and can enable the soil to reach a dry state, and after the reading of the weighing device does not change any more, the reading is read and the experimental result is calculated.

The invention discloses a quality inspection method for household boards, comprising the following steps: completing the preparation of inspection sample household boards, determining whether the size of each sample board meets the requirements; measuring the moisture content in the sample board by a moisture meter; completing formaldehyde emission detection; performing density detection; detecting various appearance states of each sample board; completing the detection of board color consistency; completing the bending resistance, compressive strength and hardness test of the sample instrument; detecting the flame retardant performance of the sample board; producing an inspection report, and recording the inspection process and results, taking the middle value of each board data, and completing the determination; the quality inspection method for household boards adopts a sampling inspection method to complete the inspection of at most ten groups of sample boards prepared by the same preparation method, and can effectively detect various data of the sample board. Compared with the existing quality inspection method, the inspection content is more comprehensive, and the sampling inspection can improve the accuracy of the inspection.

To provide a method for predicting a moisture content of dewatered cake in a belt press dehydrator capable of easily and accurately predicting a moisture content of dewatered cake.SOLUTION: A method for predicting a moisture content of dewatered cake from a belt press dehydrator of dehydrating sludge includes: measuring the amount of mud supplied to the belt press dehydrator (m3 / h), a concentration of suspended solids in the supplied mud (wt.%), filter cloth belt speed (m / h) and dewatered cake thickness (m); and predicting the moisture content of the dewatered cake using these measurements, the dewatered cake width (m), and the specific weight of the dewatered cake, based on the following equation. The moisture content of dewatered cake (wt.%)=[1-{mud feed rate (m3 / h)×concentration of suspended solids (wt.% / 100)}] / [filter cloth belt speed (m / h)×dewatered cake width (m)×dewatered cake thickness (m)×dewatered cake specific weight]×100.SELECTED DRAWING: Figure 1

The invention discloses a temperature and humidity adaptive control system for metal powder drying, relates to the technical field of temperature and humidity control, and solves the technical problem that accurate control of a drying environment is difficult to realize according to characteristics of different metal powder due to lack of an accurate environmental parameter monitoring and intelligent adjusting mechanism. A parameter adjusting signal can be deeply analyzed through the self-adaptive adjusting and analyzing module, the relation between the temperature and the humidity is comprehensively considered, adjustment is carried out with the temperature as the standard, and through a series of scientific calculation and analysis methods such as temperature adjusting information generation according to the temperature difference value and humidity change calculation through the moisture evaporation amount, the humidity can be accurately adjusted. The secondary comprehensive regulation and analysis module can accurately calculate the regulated humidity value and compare the regulated humidity value with a standard humidity value, and the secondary comprehensive regulation and analysis module can generate a high-humidity signal and a low-humidity signal aiming at the condition that the humidity value does not meet the standard and respectively analyze the high-humidity signal and the low-humidity signal to generate different control information.

The invention discloses grain quality management and detection equipment for humidity detection for grain storage, and relates to the technical field of humidity detection, the grain quality management and detection equipment for humidity detection for grain storage comprises a machine body, and also comprises a material turning device, a dehumidification device and a moisture-proof device; wherein the material turning device comprises a detection device, a motor, a transmission shaft, a first rotating plate, a first rotating rod, a circular ring, a long rod, a supporting rod, a first sliding block, a reciprocating lead screw, a first belt, a support, a vertical rod and a second rotating plate, the detection device is fixedly connected to the top of the interior of the machine body, the motor is fixedly connected to the left side of the machine body, and the transmission shaft is fixedly connected to the output end of the motor; according to the grain quality management detection equipment for humidity detection in grain storage, when the first rotating plate rotates, the first rotating plate can turn over grains on the lower half portion in the machine body upwards, and the grains on the lower half portion of the machine body can be effectively prevented from being in a humid state for a long time.

The invention discloses a moisture content measuring system and method based on a flexible conformal antenna sensor. Amplitude attenuation and phase deviation can occur when a microwave signal is propagated in a fluid to be measured, amplitude attenuation and phase deviation values are related to the dielectric constant of the fluid to be measured, and the dielectric constant of water at normal temperature is about 78 and is greatly different from the dielectric constant of oil or air. According to the invention, the moisture content information can be obtained by detecting the amplitude attenuation and the phase deviation value under the fixed frequency point. According to the invention, 0-100% full-scale moisture content measurement can be realized. The flexible conformal antenna sensor breaks through the fixed mode that the convex surface of a traditional conformal antenna radiates outwards, the design that the circular patch is embedded in the concave surface is adopted, the direction of a main wave beam is centripetally focused in the radial direction of a pipeline, directional radiation of electromagnetic waves to a to-be-detected fluid pipeline area is achieved, and the energy coupling efficiency between the electromagnetic waves and fluid is improved; and the dielectric property change of the whole watershed of the fluid is detected.

The invention discloses a numerical simulation and characterization method for thermal processing characteristics of a tobacco strip moisture regaining process under a complex working condition, and aims to solve the problem that changes of temperature and moisture content of tobacco strips in the moisture regaining process are difficult to accurately characterize. The method comprises the following steps: firstly, acquiring a three-dimensional model and related size parameters of drum-type damping machine equipment through a three-dimensional space sensing technology, carrying out geometric modeling in combination with field measurement data, then, constructing a multi-field coupling numerical model of flexible particles of the tobacco lamina and a flow field in a drum based on CFD (computational fluid dynamics) and DEM (discrete element method) theories, and finally, constructing a multi-field coupling numerical model of the flexible particles of the tobacco lamina and the flow field in the drum. Movement, temperature change and moisture content change rules of the tobacco lamina in the moisture regaining process are simulated. According to the method, through extraction of sensitive process parameters and equipment operation parameters, multi-working-condition numerical simulation analysis is carried out, the accuracy of a numerical model is verified, and finally visual and digital representation of the flue-cured tobacco strip hot processing characteristics is achieved. Experimental results show that the method can accurately simulate the temperature distribution and moisture content change of the tobacco lamina in the moisture regaining process, theoretical support is provided for moisture regaining process parameter optimization, and the inherent quality stability of the tobacco lamina in the moisture regaining process is ensured.

The invention relates to the field of meat product processing equipment, in particular to a meat cutting device. The device comprises a support, an advancing mechanism for conveying products is arranged on the support, and a traction low-temperature freezing mechanism for pulling the products towards the two sides and freezing the surfaces of the products at low temperature is arranged on a conveying route of the advancing mechanism. The meat cutting device is mainly characterized in that the traction low-temperature freezing mechanism is arranged, products can be pulled towards the two sides during cutting, the products are not wrinkled or stacked any more, the cut products are neater, and the product value is improved; meanwhile, low-temperature freezing can freeze water on the surface layer of the product and harden the meat surface, the state is beneficial to subsequent cutting, the cutting process is smoother, the temperature of the cutter can be reduced, damage to the meat is avoided, and the product value is further improved.

The invention provides a food cooking method, a cooking drawer and a refrigerator. The food cooking method comprises the steps that the initial weight of food materials to be cooked is obtained, an electric air door is controlled to be opened, and cold air is conveyed to the cooking drawer so that the temperature in the cooking drawer can be reduced to a first temperature interval; controlling the variable-frequency fan to operate at a first rotating speed; obtaining the first weight of the to-be-cooked food material; according to the weight and the moisture evaporation rate of the to-be-ripened food materials, the temperature in the ripening drawer and the air speed of the frequency conversion fan are controlled, the air drying characteristic parameters are selected to adjust the cooling capacity on the basis of moisture evaporation and weight changes in the food material ripening process, appropriate air drying logics are matched for different stages, humidity does not need to be controlled, and the energy consumption is reduced. And the cooked food not only generates cheese fragrance, but also keeps the tenderness of meat.

In a first step, a pretreatment for measuring a moisture characteristic of soil is performed. The pretreatment can be removal of moisture from the soil of interest. For example, removing water that is a cause of a soil mass can be the pretreatment. Next, in a second step, the moisture characteristic of the soil subjected to the pretreatment is measured. The moisture characteristic is a water content of the soil. In addition, the moisture characteristic is a matrix potential value at a specified soil water content. Next, in a third step, the corrosion of the metal member buried in the soil is estimated from the measured moisture characteristic.

The invention belongs to the technical field of intelligent controlled-release antibacterial packaging, and particularly relates to a preparation method and application of a multi-response polymer fresh water absorption pad of a sandwich-like structure. The preparation method comprises the following steps: firstly, preparing a hydrophilic inner-layer spinning solution, a humidity response middle-layer spinning solution and a pH response outer-layer spinning solution; the hydrophilic inner layer spinning solution, the humidity response middle layer spinning solution and the pH response outer layer spinning solution are subjected to continuous electrostatic spinning to prepare a composite membrane of a three-layer nanofiber structure, namely the multi-response polymer fresh water absorption pad of a sandwich-like structure. Through the layered design, the water absorption pad integrates the functions of one-way moisture transmission, antibiosis and corrosion prevention, the preservation period of food is prolonged, self-adaptive adjustment can be achieved according to the humidity and pH change in the storage environment, the dynamic requirements of different food storage conditions are met, and the more accurate preservation effect is provided. And meanwhile, various food packaging requirements can be met, food loss is effectively reduced, economic benefits are improved, and the application prospect is wide.

Methods and apparatuses for drying electronic devices are disclosed. An exemplary method comprises: initiating a drying operation in a drying apparatus comprising: generating a first air flow through a first air channel, routing, a moisture from an electronic device to a moisture-absorbing apparatus, absorbing, using the moisture-absorbing apparatus, the moisture from the electronic device, determining a first humidity and a second humidity, executing, based on the first humidity and the second humidity, a first computing operation, exhausting the first air flow to an exterior of the drying apparatus, determining a third humidity, and executing, based on the third humidity, a second computing operation.

Systems and methods for measuring the content of an element in a soil comprises: a neutron source for irradiating the soil with neutrons; a detector assembly configured to detect an INS gamma spectrum of the soil; an instrument for measuring a moisture content of the soil; and a processor in communication with the detector assembly, the processor configured to: apply a moisture calibration coefficient to calculate a net peak area of a characteristic peak of the element in the INS gamma spectrum, the moisture calibration coefficient calculated to account for the moderation of fast neutrons by hydrogen atoms of water present in the irradiated soil at the location under analysis; and generate a concentration of the element in the soil. The instrument for measuring a moisture content of the soil may comprise the detector assembly. Systems and methods incorporating a temperature-controlled housing for the gamma detector assembly are also provided.

The application discloses a method for improving the quality and moisture content distribution of bean curd by soaking and using water for pulp grinding, and comprises the following steps: (1) pretreatment: accurately weighing CaCl2, MgCl2, KCl and cellulase according to different proportions, dissolving in deionized water, and preparing for use; (2) adjusting pH value: taking sodium bicarbonate, dissolving in the prepared deionized water, and adjusting the pH value; (3) raw material preparation: weighing 500g of yellow beans, pouring into the prepared deionized water in step (2), and soaking for about 8-10h; (4) bean curd preparation: preparing the bean curd product rich in various ions according to the process flow by using the soaked yellow beans. The application has the advantages of simple process, low production cost and suitability for industrial production, and solves the problem that the quality of bean products is different due to different water qualities in different regions for yellow bean processing enterprises.