189results about How to "Universal" patented technology

The invention relates to the technical field of underground water simulation, in particular to an underground water numerical simulation method coupled with vegetation ecology. The method realizes bidirectional coupling between groundwater and vegetation ecology through iteration, and specifically comprises the following steps: inverting vegetation coverage based on groundwater burial depth; inversion of actual evapotranspiration is carried out based on underground water burial depth and vegetation coverage; and finally, updating the net supply amount of the groundwater model based on evapotranspiration until convergence. According to the method, a statistical function relation is established to replace a complex physical model, and drainage and overflow cell water levels are corrected in iteration to ensure calculation stability.

The application provides an AM-PM distortion calibration method applied to an UWB transmitter and belongs to the field of UWB communication. The method adds a sampling resistor between a linear voltage stabilizing power supply LDO and a digital power amplifier DPA driving stage of the UWB transmitter using a digital power amplifier, so as to simulate the instantaneous change of the power supply voltage of the DPA driving stage when the UWB pulse is transmitted; an adjustable delay unit is added between a carrier input port LO and the DPA driving stage; the continuous sine wave is transmitted, the phase information under each digital baseband amplitude control word is collected to form original data of the AM-PM distortion of the UWB transmitter, the digital baseband output AM-PM control word is used to control the adjustable delay unit to output the phase which is opposite to the original data and has the same size, so that the phase predistortion of the transmitted UWB pulse is realized, and the AM-PM distortion calibration is completed. The application has the advantages of simple implementation and strong compensation capacity.

The application discloses a kind of satellite radiation product-based remote sensing image geometric calibration method, electronic equipment and medium.The method can include: determining reference image, inputting image to be calibrated;For the same name point matching of image to be calibrated and reference image, obtain the same name point coordinates;The third polynomial distortion model about CCD probe element number is constructed;Based on the same name point coordinates, curve fitting is carried out on the distortion model, and the distortion coefficient is obtained;The resampling of image to be calibrated is carried out by distortion coefficient, and the correction of internal distortion of image is realized.The application can quickly and accurately carry out geometric calibration processing to satellite image, greatly improve the efficiency and quality of image processing.

This invention discloses a method for improving expansive soil based on its clay mineral composition and a method for predicting its performance. The method for improving expansive soil based on its clay mineral composition includes the following steps: obtaining the optimal admixtures for montmorillonite, illite, and kaolinite clay minerals in expansive soil under different moisture contents through molecular dynamics simulations; after determining the optimal admixtures for the three clay minerals, adding the corresponding admixtures to the corresponding minerals, preparing soil test blocks for testing, and determining the optimal dosage based on the test results; and configuring admixtures to improve the properties of the expansive soil based on its moisture content and mineral composition. This invention constructs a coarse-grained model of real soil particles and corresponding admixtures, tests various properties of the model, and combines machine learning to predict the improvement effect of admixtures on expansive soil under different working conditions. The method of this invention is applicable to the improvement and performance prediction of different expansive soils in different regions and has universality.

The invention relates to the technical field of biological medicines, and discloses hyaluronic acid modified metal coordination albumin nanoparticles as well as a preparation method and application thereof. The hyaluronic acid modified metal coordination albumin nanoparticle comprises a core and a hyaluronic acid shell layer, wherein the core is formed by self-assembly of an albumin-drug compound, poly-L-aspartic acid and ferric ions through coordination, and the hyaluronic acid shell layer is connected to the surface of the core through coordination or adsorption. According to the hyaluronic acid modified metal coordination albumin nanoparticles as well as the preparation method and the application thereof, the preparation method is simple, convenient and rapid, does not need complex covalent modification, is mild in condition and is easy for large-scale production, and the prepared nanoparticles are uniform in particle size, good in stability and high in stability. In addition, due to the fact that the hyaluronic acid is modified on the surface, the active targeting capacity on CD44 receptor high-expression tumor cells is achieved, the enrichment and treatment effects of the medicine on the tumor site are remarkably improved, and the application prospect in preparation of the anti-tumor medicine is wide.

The invention belongs to the technical field of drug detection, and particularly relates to a method for detecting lycium barbarum glycopeptide metabolites in rat plasma and tissues based on non-targeted metabonomics. According to the method, after rat lycium barbarum glycopeptides are administered through intragastric administration, blood, liver, intestine, lung and brain tissue samples after administration are collected. A UPLC-Q-TOF-MS (Ultra Performance Liquid Chromatography-Quadrupole Time of Flight Mass Spectrometry) analysis method is combined with a statistical analysis method comprising principal component analysis (PCA) and orthogonal-partial least squares discriminant analysis (OPLS-DA) to carry out in-vivo metabonomics analysis on the wolfberry glycopeptide. Then, based on a human metabolome database (HMDB), lycium barbarum glycopeptide differential metabolite is searched, so that the pharmacological action mechanism of the lycium barbarum glycopeptide is clarified from the perspective of metabolism, and a foundation is laid for deep research and development of the medicinal value of the lycium barbarum glycopeptide in future.

The invention provides a control method and device for a network-forming type grid-connected converter. According to the output voltage stable value of the grid-connected converter under the two-phase rotating coordinate system and the current reference value of the filter inductor under the two-phase static coordinate system, the voltage and current inner loop control of the grid-connected converter is realized, the control performance of the grid-connected converter can be improved, and the stable operation of the grid-connected converter is ensured. According to the invention, the actual value of the output voltage of the grid-connected converter under the two-phase static coordinate system is calculated according to the actual value of the current of the filter inductor and the actual value of the voltage of the primary winding, so that the state feedback control of the grid-connected converter is realized, and the dynamic characteristics of the grid-connected converter can be improved. And the control dimension of the network construction type grid-connected converter can be effectively increased.

This invention provides the preparation and application of a strain of *Lactiplantibacillus plantarum* INM3104 that reduces raffinose in whole grain dough. This strain, *Lactiplantibacillus plantarum* INM3104, which degrades raffinose, was deposited at the Guangdong Provincial Microbial Culture Collection Center on April 11, 2024, with accession number GDMCC NO:64512. The advantages are: it only reduces the raffinose content in whole grain products, while also improving the flavor and quality of the whole grain products; the whole grain products produced using this preparation do not affect the overall processing of the whole grain products after fermentation, not only improving the taste of the whole grain products but also reducing the adverse factors associated with whole grain products.

The invention discloses a determination method for acquiring a denitrification rate based on river dissolved oxygen high-frequency monitoring. The determination method comprises the following steps: S1, constructing a dynamic response model of the river denitrification rate to heterotrophic respiration; s11, carrying out in-situ high-frequency DO observation on different types of rivers, collecting a water sample, and measuring the concentrations of dissolved N2 and O2 in the collected water sample by adopting an MIMS technology; s12, on the basis of the O2 concentration data, the river heterotrophic oxygen respiration rate is calculated through an O2 mass balance model; s13, based on the N2 concentration data, calculating the river denitrification rate through an N2 mass balance model; s14, fitting the obtained series of heterotrophic respiration rates with the denitrification rate to obtain a dynamic response model between the denitrification rate and heterotrophic respiration; and S2, based on field real-time high-frequency monitoring dissolved oxygen observation data, simulating the river denitrification rate through the constructed dynamic response model. According to the invention, the problems that the traditional denitrification rate measurement cost is high and real-time continuous monitoring cannot be realized are solved, and in-situ, real-time and high-frequency monitoring of the denitrification rate is realized.

This invention discloses a method for preparing and applying a sodium borohydride-modified self-supporting anode for AEM water electrolyzers. Firstly, an amorphous ternary metal hydroxyl oxide precursor is grown in situ on a nickel substrate via room temperature liquid phase deposition. The process involves the presence of Co in solution. 2+ Fe 3+ Ni ions are introduced through slight corrosion of the nickel foam matrix. 2+ The ions, the three, and the OH- produced by hydrolysis ⁻ Co-deposition occurs under the influence of dissolved oxygen, leading to the self-assembly of amorphous nanosheet structures on the substrate surface. Subsequently, a mild chemical reduction treatment with sodium borohydride solution is used to obtain a structurally stable and high-performance self-supporting electrode. The method described in this embodiment is mild, simple, low-cost, and has good versatility.

The application provides a kind of deep learning optical imaging system design method based on complex function neural network, comprising the following steps: step one, object distance, system focal length, F number as input, according to the ideal optical system imaging relationship, determine image distance, imaging scale ratio;Step two, according to the imaging scale ratio and the object image of ideal optical system, the image of ideal optical system is calculated;Step three, construct complex function generator network model, step four, construct discriminator network model, step five, after the establishment, training of the above-mentioned complex function neural network deep learning model, step six, use phase.The deep learning optical imaging system design method based on complex function neural network provided by the application solves the correlation between the advantages and disadvantages of the design result and the experience value of the designer, without the designer providing initial structure parameters;Greatly improve the computing ability and optimization speed.

This invention relates to a modified zero-valent iron / biochar composite material with oxygen-rich vacancies and its application. The modified zero-valent iron / biochar composite material comprises a biochar carrier and zero-valent iron loaded on the biochar carrier. The surface of the zero-valent iron is coated with sulfur-containing iron compounds and / or boron-containing iron compounds, and the surface of the zero-valent iron contains abundant oxygen vacancies. The modified zero-valent iron / biochar composite material is specifically prepared by the following method: dispersing the biochar carrier and zero-valent iron in oxygen-free water and grinding; adding a sulfur source or boron source to the ground suspension, stirring and grinding thoroughly, and drying; subsequently soaking in a reducing solution, followed by high-temperature calcination and cooling to obtain the modified zero-valent iron / biochar composite material. Compared with the prior art, the modified zero-valent iron / biochar composite material prepared by this invention can be used synergistically with compound oxidants to achieve effective remediation of organically contaminated soil.

This application discloses a crystal, a rare-earth-doped crystal, its preparation method, and its applications, belonging to the field of crystal materials. The chemical formula of the crystal is [Gd(L)]. 1.5 (DMA)] n Formula I; in Formula I, L is a ligand formed by deprotonated benzene polycarboxylic acid; benzene polycarboxylic acid is selected from any one of terephthalic acid, phthalic acid, and isophthalic acid; DMA is N , N -Dimethylacetamide; n ∞ represents continuous repetition and infinite extension. The crystal is rare-earth doped, and the chemical formula of the rare-earth doped crystal is [Gd]. 1‑x% (L) 1.5 (DMA)] n :x% Ln 3+ Equation II; in Equation II, x = 0.1~10; Ln 3+ Selected from Tb 3+ Or Eu 3+ Any one of the following. It has potential application value in fields such as fluorescent materials, multicolor display materials, long afterglow materials, X-ray detection and imaging materials, radiation detection dosimeters, and optical information encryption. The preparation method used in this application can be easily achieved through solution reaction under relatively mild conditions, with low cost and strong industrial feasibility.

This invention discloses a method for optimizing the configuration of a polarizer and analyzer, as well as a polarizer-analyzer system. The method includes the following steps: adjusting the instrument matrix W of the polarizer and the instrument matrix A of the analyzer to minimize the equal-weighted variance EWV of the instrument matrices, thereby optimizing for Gaussian noise; and ensuring that the sum of each row of the instrument matrix W and the instrument matrix A is zero, so that the estimation variance caused by Poisson noise is independent of the sample and reaches a minimum. This invention can suppress noise to the greatest extent and make the noise pattern independent of the sample; the noise distribution pattern is the same regardless of the sample being measured.

The invention provides a graphene / activated carbon composite material and a preparation method and application thereof, and belongs to the technical field of nano materials, the graphene / activated carbon composite material comprises a carbon matrix and a two-dimensional sheet material covering the carbon matrix; the carbon matrix is an activated carbon material and is a carbon material prepared by performing high-temperature pyrolysis on magnesium citrate in a high-temperature self-propagating reaction process; the two-dimensional sheet material is a graphene material and is a few-layer carbon material which is prepared by converting CO2 through a high-temperature self-propagating reaction and is formed by arranging carbon atoms according to a honeycomb-shaped two-dimensional lattice. According to the invention, graphene is used as a conductive and structural dual skeleton; and a hierarchical pore structure is constructed by utilizing gas production and template effect in the reaction process, so that the electrochemical performance of the active carbon positive electrode is improved. And a proper amount of graphene can provide more active sites and maintain the structural stability at the same time, so that the specific capacity and the cycle life are remarkably improved and prolonged, and the material has a wide application prospect and is particularly suitable for preparing a high-performance lithium ion capacitor positive electrode material.

The application discloses a speech recognition adversarial sample defense method and system based on spectral features. White-box attacks and black-box attacks are used to attack known clean samples to generate adversarial samples, and the clean samples and the generated adversarial samples are subjected to a variety of speech de-disturbance methods to obtain simulated clean samples. The samples are simultaneously converted into a frequency domain, a feature vector is obtained by using the similarity of each frame of a spectrum diagram, a classifier is trained by marking a label on the similarity feature vector. When unknown adversarial samples from the outside world arrive, the samples are first subjected to a variety of speech de-disturbance methods to generate simulated clean samples, and the adversarial samples and the generated clean samples are also subjected to pretreatment and converted into a frequency domain. The spectrum diagram similarity feature vector is input into the classifier. If the classifier detects the adversarial samples, the adversarial samples are directly discarded. If the classifier detects normal samples, the normal samples enter a speech recognition system to complete the defense. The application can be applied to various types of speech adversarial sample attack modes and improve the defense success rate.

The application discloses a speed bump recognition method and system, real-time vehicle information is acquired, the vehicle information at least includes the vertical acceleration signal of the vehicle body, the vertical acceleration signal of the vehicle body is filtered through a pre-designed filter set, the filtering result of the effective speed bump candidate identification is obtained, if the filtering result of the effective speed bump candidate identification meets the speed bump recognition condition, the target speed bump identification is obtained from the filtering result of the effective speed bump candidate identification, and the target speed bump identification is determined as the speed bump area, so as to ensure the accuracy of the acquired speed bump area, improve the vehicle auxiliary control, and the speed bump recognition mechanism is used for preventing the same speed bump from being repeatedly identified when the left and right wheels of the vehicle do not cross the speed bump at the same time.

This invention discloses a method for preparing an electrically pulsed perovskite oxygen evolution reaction (OER) catalyst. The method involves overlapping electrodes on both sides of an SRIO thin film prepared from strontium nitrate, ruthenium oxide, and iridium oxide. Under an argon atmosphere, the SRIO thin film is subjected to a 2-second electrical pulse treatment via an external voltage source, with an electric field strength of 40 V / cm. This invention utilizes ruthenium oxide and iridium oxide powders as ruthenium and iridium sources, making it easier to obtain high-purity SRIO@E catalysts. This provides significant guidance for the synthesis of noble metal-based perovskite materials. Through a simple and easy-to-implement electrical pulse treatment strategy, this invention can remove some oxygen atoms from the catalyst, increasing the number of unpaired electrons available for the catalytic reaction and improving reaction activity. Furthermore, this electrical pulse treatment strategy is simple and controllable, has universal applicability, and is expected to meet the needs of industrial production.

This invention discloses a method for preparing cell-derived exosome subsets, as well as products and applications, belonging to the field of biomedical technology. The preparation method includes: filtering cell culture medium to obtain a cell culture supernatant; concentrating the supernatant 5-30 times using a tangential flow system with a 300-500 kDa hollow fiber filter, followed by 10-20 times washing to obtain a concentrated solution; and performing Sephacryl S-400 HR gel filtration column chromatography, collecting the eluent from two 280 nm UV absorption peaks to obtain exosome subsets S1 and S2; the protein concentration of the concentrated solution is 20-50 mg / mL. This invention achieves, for the first time, precise separation of functional exosome subsets. Subset S1 exhibits strong immunomodulatory activity, and subset S2 demonstrates excellent cell regeneration promotion effects. Furthermore, the process is highly versatile and suitable for large-scale production. These subsets can be used to prepare immunomodulatory or cell regeneration-promoting drugs, providing precise technical solutions for the treatment of related diseases.

The utility model belongs to photovoltaic support technical field, concretely is a kind of centralized fixed grid-connected photovoltaic support, including pedestal, first support rod, second support rod, fixed inclined shaft, fixed cross shaft, reinforcing rod, connecting piece, circular clamp, single-side pressing block and double-side pressing block, support rod is embedded in the upper portion of pedestal, wherein the lower portion of first support rod is connected with the lower portion of reinforcing rod by circular clamp, the upper portion of support rod and the upper portion of reinforcing rod are connected with fixed inclined shaft by connecting piece, four fixed cross shafts of equidistance are installed on the upper portion of fixed inclined shaft.The utility model structure design is simple and reasonable, and it is universally applicable for large-scale centralized grid-connected photovoltaic power station construction in different terrain, can bear the weight of photovoltaic module, wind load and snow load and other external force in actual application, ensure that photovoltaic module keeps safe and stable operation under various environmental conditions, convenient for later operation and maintenance, save artificial cost.

This invention discloses a method for evaluating the storage lifetime of a missile-borne fiber optic inertial navigation system, comprising: determining the acceleration temperature value T of the test. k The acceleration temperature value T was obtained. k Under these conditions, the acceleration coefficient A of the fiber optic inertial navigation system F According to the acceleration coefficient A of the fiber optic inertial navigation system F Storage time t required for fiber optic inertial navigation systems 贮存时间 The acceleration temperature value T was obtained. k Under these conditions, the time t required to conduct accelerated testing 加速时间 According to t 加速时间 Determine several sampling times; at the accelerating temperature value T k Under certain conditions, accelerated testing was conducted on the fiber optic inertial navigation system (INS), and degradation-sensitive parameters of the INS were acquired at each sampling time. A relationship between these degradation-sensitive parameters and time was constructed. Based on the relationship between these parameters and time under storage temperature conditions, and the out-of-tolerance criterion for the degradation-sensitive parameters, the storage lifetime of the INS under storage temperature conditions was obtained. This invention achieves the assessment of the storage lifetime of fiber optic INS, with advantages such as short testing time, scientific evaluation method, and reasonable evaluation results.

The present application relates to the field of text semantic understanding, and more particularly to a text abnormal word recognition method and system based on a neural language model, which is used for recognizing network language, new words and wrong words, and the method comprises the following steps: step 1) collecting text to be recognized; step 2) determining the context word sequence of each word in the text to be recognized in a sliding window manner; step 3) inputting the context word sequence of each word into a pre-established and trained recognition model respectively to obtain the probability of occurrence of each word under the context word sequence; and step 4) comparing the probability of occurrence of each word with a set threshold value to determine whether the word is an abnormal word. The present application does not need to mark abnormal words and can be trained on a large amount of unsupervised data; the prediction probability threshold value of abnormal words and normal words determined by using a large number of positive and negative samples to predict probability statistics has universality; and the selection of negative samples is performed in a negative sampling manner, so that the training speed is accelerated.

This invention relates to a perovskite precursor solution remediation additive, regeneration method, and application. The remediation additive is a tetra(hydroxymethyl)phosphonium salt with the general chemical formula [P(CH2OH)4]. + ·X ‑ X represents a halogen; tetra(hydroxymethyl)phosphonium salt simultaneously acts as an organic cation source, a redox buffer for iodine species, and a coordination stabilizer for lead ions in the perovskite precursor solution. This invention demonstrates significant performance recovery: it can chemically repair aged solutions, enabling the film quality and device performance of the regenerated solution to reach over 95% of the level of a freshly prepared solution.

The present application relates to a kind of tobacco raw material tar release potential grading screening method and its application, the method includes the following steps: 1) construct sample library;2) the chemical parameters and physical parameters of sample are characterized;3) the pyrolysis characteristics and combustion performance of raw material are characterized;4) screen multi-source characteristics and identify key variables;5) measure the relative tar, nicotine release amount;6) construct prediction model;7) preliminary classification and label raw material tar release potential;8) accurate screening is suitable for ultra-low tar cigarette raw material.The present application extracts the multi-source characteristics such as chemical composition, physical parameters, pyrolysis characteristics and combustion performance of tobacco raw material, obtains key variables after screening, and constructs high-precision prediction model based on the screened key characteristics, so as to realize the systematic classification and accurate screening of tobacco raw material tar release potential, and provide reliable technical support for cigarette formula optimization and development of ultra-low tar cigarette product.

The application discloses an OPC correction sub-resolution auxiliary pattern layout method. A data acquisition module acquires a layout to be corrected by OPC; process windows of isolated patterns and dense patterns in the layout are calculated; SRAF initial rules are acquired, and SRAFs are inserted into the isolated patterns, and the SRAFs are exposed by a lithography model; SRAF widths are set according to SRAF exposure results; distances between the SRAFs and the isolated patterns are updated; and the SRAFs are inserted into the isolated patterns according to updated process parameters. According to a difference between a center position of a process window of the isolated patterns after the SRAFs are inserted and a center position of a process window of the dense patterns, adjustment of SRAF insertion parameters is realized, the SRAF insertion is suitable for isolated patterns of different sizes, is universal, can improve process windows of isolated patterns of various sizes, and finally improves product yield.

This invention belongs to the field of ultrasonic elliptical vibration-assisted ultra-precision machining, and discloses a method for predicting the residual height of surfaces machined by ultrasonic elliptical vibration. Based on the principle of time-reversal symmetry in simple harmonic motion, and according to the principle that ultrasonic simple harmonic motion has displacement symmetry and time-reversal symmetry about the equilibrium position within a complete cycle, a numerical method is established to solve for the residual height introduced by ultrasonic elliptical vibration turning in the cutting direction. This method can be applied to the calculation of the theoretical residual height in the cutting direction for ordinary plane cutting and inclined plane cutting. This invention provides a new approach to calculating the theoretical residual height of surfaces machined by ultrasonic elliptical vibration, and can assist in judging the rationality of the selection of process parameters for ultrasonic elliptical vibration-assisted ultra-precision machining in actual production.

The application discloses an mRNA drug for enhancing T cell efficacy and application, and belongs to the technical field of biological medicine. The mRNA drug encodes a protein, which is a BH3 domain of pro-apoptotic protein Puma or Bim fused with an aptamer scaffold; and the administration mode is an intratumoral administration dosage form. The application provides an mRNA anti-tumor drug, which is locally administered intratumorally in the form of the mRNA drug, induces local cell apoptosis of a lesion, and can synergistically enhance T cell-mediated killing effect. Finally, the effect of synergistically inhibiting growth of a solid tumor in vivo is achieved. The novel mRNA drug provided by the application exhibits a strong and effective tumor inhibition effect in a solid tumor model.

The application discloses a kind of overheat fault gas quantitative analysis method and system of on-load tap-changer contact, the method of the present application includes constructing the multi-physics field coupling mathematical model of on-load tap-changer, define contact surface contact resistance;Solving multi-physics field coupling model obtains the time domain and spatial temperature distribution of on-load tap-changer contact surface, determine the highest temperature and the volume of overheated area;Calculate the local gas production rate of each fault characteristic gas;The local gas production rate of all fault characteristic gases in the volume of hot area is integrated to obtain the theoretical equilibrium concentration of each fault characteristic gas in oil, construct the mapping relationship between the overheating parameters of contact surface contact resistance and highest temperature and theoretical equilibrium concentration.The present application aims to solve the problem that the traditional oil dissolved gas analysis method relies on empirical criterion and has high hysteresis, break through the bottleneck that cannot simulate the whole process of "electric-thermal-flow-chemical" from mechanism level, realize the leap from qualitative diagnosis to quantitative prediction.

The application provides a damping type linear generator, a design method and a damping control method, and belongs to the field of rail transit. The damping type linear generator comprises a superconducting coil, an 8-shaped coil and a damping type current collection coil. The damping type current collection coil is arranged in the superconducting coil shell on both sides of the superconducting motorized magnetic suspension train bogie, is used for collecting the energy of the air gap harmonic magnetic field of the 8-shaped coil, and directly supplies power to the on-board electrical equipment and the battery after rectification and filtering, and generates electricity by using the harmonic magnetic field in the train system. The damping type current collection coil is also used for receiving the stable current injected from the on-board power converter converted from the battery. At this time, the damping type current collection coil simulates the superconducting coil magnetic field to generate additional electromagnetic damping force, so as to reduce the vibration amplitude of the bogie in high-speed operation and improve the stability of the superconducting motorized magnetic suspension train in operation. The application improves the stability of the bogie in the operation of the magnetic suspension train.

The utility model relates to the technical field of lycium barbarum planting, and discloses a lycium barbarum meteorological disaster occurrence and causing monitoring device. By arranging the drill rod cylinder, a plurality of clamping pieces can be arranged on the drill rod cylinder, and further, the clamping pieces can be provided with corresponding temperature and humidity sensors respectively, so that near-surface multi-angle and multi-point-position detection of the lycium barbarum land is realized. After the positioning cylinder reaches a proper height, the rotating ring is rotated to adjust the angle of the fixing assembly, so that the fastening limiting cylinder can be tightened upwards after the temperature and humidity sensor reaches a proper position, the rotating ring abuts against and presses the fastened limiting cylinder and the positioning cylinder, and at the moment, the positions of the fixing assembly and the humidity sensor are fixed. In conclusion, the position of each sensor can be flexibly adjusted according to the actual situation on site, so that the monitoring data is more comprehensive, and the method has universality.