43 results about "Soil classification" patented technology

The invention relates to the satellite remote sensing technology field and especially relates to a global land cover broadband emissivity inversion method and a system. The method comprises the following steps: S1. acquiring a surface reflectivity with a plurality of resolutions and an albedo and acquiring matched soil classification graph data; S2. carrying out pretreatment respectively to the surface reflectivity with a plurality of resolutions and the albedo; S3. carrying out spatial resample to the soil classification graph data, carrying out spatial matching to the pretreated surface reflectivity with a plurality of resolutions and the albedo and identifying each pixel of the spatial matched surface albedo; S4. determining a surface type of the land pixel; S5. establishing a conversion relation between the narrowband emissivity and the broadband emissivity so as to obtain the broadband emissivity of the water body pixel and the ice and snow pixel; S6. calculating the broadband emissivity of the pixel. In the invention, precision of broadband emissivity inversion can be improved through processing reflectivity data and albedo data.

The invention belongs to the technical filed of agriculture, particularly relates to a sampling device for soil detection based on agriculture. The method aims at solving problems that soil sampling need manpower to perform; sampling operations of multiple soil layers cannot be performed at the same time, which causes cumbersome sampling; the instability of a device during the sampling causes thesoil to sprinkle, so that it is impossible to sample more soil at one time; and the sampling cannot penetrate into the soil layer when the soil is hard. The invention proposes the following scheme. The sampling device comprises a supporting base. A supporting seat is provided at each corner of the outer walls of the bottom of the supporting base, wherein the number of the supporting seat is four.A supporting disk is provided at the bottom outer wall of each supporting seat. The bottom outer wall of each supporting disk is provided with a rubber pad. One end of the bottom outer wall of the supporting base is provided with a first U-shaped frame. The sampling device for the soil detection based on agriculture ensures the stability of the device during the sampling, prevents soil from sprinkling during the sampling, can simultaneously perform sampling operations on different soil layers, and facilitates convenient and rapid soil classification and storage.

The invention provides a soil stratified sampling device for hydrogeological survey which comprises a supporting fixing plate and a motor, the center of the supporting fixing plate is hollow, a motor positioning clamp is integrally mounted in the supporting fixing plate, the motor is fixedly mounted in the motor positioning clamp in a limiting manner, and a sampling mounting pipe is mounted at the output end of the lower end of the motor through a connecting ring; a plurality of sampling assemblies are mounted in the sampling mounting pipe in a penetrating manner. According to the sampling device, soil of different layers can be sampled in a classified mode through the sampling assemblies, and simultaneous collection is achieved. Compared with the prior art, the situation that multiple times of repeated treatment are needed due to the fact that only one kind of soil can be sampled at a time is avoided; and the position of the supporting fixing plate can be slid through a movable assembly, so that personnel can drill soil conveniently, and compared with the prior art, the problem that deviation is caused by position deviation due to the fact that no supports are arranged on the two sides is effectively solved.

The invention provides a technical method for high-spectrum identification of a soil property and relates to the technical field of soil exploration. The method comprises the steps: S1, acquiring soil high-spectrum images at different time based on remote sensing satellite data; S2, pre-treating the images, supervising and classifying to obtain naked soil, extracting surface reflectance of the naked soil and establishing a surface reflectance inversion model for the naked soil according to the surface reflectance of the naked soil; S3, designing an indoor soil corrosion test and acquiring soil erodibility data corresponding to the acquisition time of the soil high-spectrum images; S4, acquiring soil classification and calculating a soil K value according to the soil erodibility data acquired in the step S3; and S5, establishing a high-spectrum model for influencing the soil property of the erodibility K according to the soil K value and the spectral data in the surface reflectance inversion model. The technical method solves the problem that the high-spectrum remote sensing technique is capable of measuring soil erodibility.

The invention relates to an apparatus for preventing clogging of screen holes of a soil sorting machine. The soil sorting machine is provided with drum screens with the screen holes and a driving source suitable for rotating the drum screens. Soil is precisely classified through the screen holes. The apparatus comprises at least one or multiple impacting induced protruding parts which protrude from outer peripheral surfaces of ends not provided with the screen holes of the drum screens or the outer peripheral surface at two ends of each drum screen, impacting rollers and scrapers. The impacting rollers are suitable for elastic movement so that the impacting rollers are capable of climbing over the impacting induced protruding parts while being in rolling contact with the outer peripheral surface at two ends of each drum screen. The scrapers are suitable for carrying out operation in cooperation with each impacting roller so that the screen holes of the drum screen are impacted and soil is scrapped via the screen holes.

The invention relates to an ectopic leaching and screening interlock control system of soil and a leaching and screening method of the system. The system comprises a leaching device, a screening device and a frequency-variable spray pipeline, wherein the leaching device comprises a leaching roller, a material transmission device and a speed adjustment driving device; the leaching roller is connected with the speed adjustment driving device; the material transmission device is arranged in the leaching roller; the screening device is connected with an outlet end of the leaching roller; and the frequency-variable spray pipeline is arranged in the leaching device. The leaching and screening method comprises the steps of: (1) scattering and feeding the soil, (2) leaching the soil, (3) performing screening, (4) reversely rotating the leaching roller to prolong stirring and leaching time of materials, and (5) starting chemical leaching via the frequency-variable spray pipeline, or performing the chemical leaching and clear water leaching alternately. The precise leaching is achieved; the energy is saved; screen hole blocking is effectively avoided; the leaching efficiency is improved; the leaching and separating of soil components in different particle sizes and with different heavy metal contents are achieved; and the purpose of soil sorting treatment is achieved.

A foot-type robot terrain perception method based on a virtual sensor belongs to the field of robot perception, and comprises the following steps: S1, establishing a ground contact detection neural network model and a soil classification machine learning model; S2, under the conditions of different terrains and different gaits, collecting the angle of a leg joint, the angular speed of the leg joint, the motor current and the contact force data of the leg and the ground of the foot-type robot as samples; S3, training a ground contact detection neural network model and a soil classification machine learning model by using the samples collected in the S2; and S4, taking the ground contact detection neural network model and the soil classification machine learning model trained in the S3 as aterrain perception system of the foot-type robot for terrain perception. According to the method, the walking stability and the movement capacity of the robot can be improved, and meanwhile the robustness of the robot and the reliability of behaviors of the robot are enhanced; in addition, hardware of the robot is simplified, and the design, machining and maintenance cost is reduced.

The invention discloses a ferrous sulfide acid soil improvement and bare land vegetation recovery method. The method comprises the following steps of 1, general survey of soil; 2, soil classification;3, determination of the usage amount of quicklime; 4, digging of pits in a to-be-improved land area; 5, screening of local territory plants, acid-resistance plants and accompanying plants; 6, soil improvement, wherein the pits are filled with organic matter, and then the quicklime with the usage amount specified in step 3 is uniformly scattered in the pits, drainage ditches and non-dug land; 7, soil compaction; 8, planting of the plants; 9, planting of the accompanying plants; 10, land fertility improvement; 11, secondary planting for densifying plants. By means of the ferrous sulfide acid soil improvement and bare land vegetation recovery method, re-acidification of soil can be prevented so that the improved soil can have multiple purposes.

The invention relates to a soil nutrient classification map generation method based on 3S technology and a precision evaluation method thereof, which solve the defect that it is difficult to realize the soil nutrient classification in a large space range compared with the prior art. The soil nutrient classification map generation method comprises the following steps: generating a spatial raster map of soil nutrient data; setting a classification map of soil nutrients; carrying out cultivated land extraction; generating a plot-scale soil nutrient classification map. The invention is based on 3Stechnology. Based on the field sampling points and RS extracted from cultivated land by GPS, the spatial distribution characteristics of soil nutrients at the plot scale are analyzed by using GIS spatial analysis and geostatistics, and the soil nutrient classification, spatial mapping and precision evaluation at the plot scale are realized in a large spatial range.

The invention discloses a soil classification method through combination of multi-layer perceptron neural networks with spectral characteristic parameters and belongs to the technical field of soil classification. The method aims at solving the problem that the original physical significance of spectral characteristics cannot be reserved through utilization of the existing soil classification method which employs soil spectral reflectivity. The method comprises the steps of collecting soil samples and obtaining reference reflection spectral data of each soil sample; carrying out spectral resampling on the reference reflection spectral data of each soil sample by taking 10nm as an interval through utilization of a Gaussian model; carrying out envelope line removal on the spectral resampling data, thereby obtaining the envelope line removed data which highlights the absorption and reflection characteristics of reflection spectral curves; extracting m spectral characteristic parameters from the envelope line removed data; carrying out standard processing on the extracted m spectral characteristic parameters, thereby obtaining m soil classification indexes; and classifying the soil samples according to the soil classification indexes through utilization of the multi-layer perceptron neural networks. The method is used for soil classification.

The invention discloses a seedling cultivating soil classification roller screen. The seedling cultivating soil classification roller screen is composed of a roller frame, a blocking cover, a rotary roller device and a crushing roll shaft device. The roller frame comprises a bottom frame, a damping device, a front supporting base and a rear supporting base. The blocking cover is composed of a roller blocking cover, a feeding hopper, a blinding discharging port and a subsoil discharging port. The rotary roller device is composed of a roller speed reducer, a small gear, a large gear and a double-layer roller screen body. The crushing roll shaft device is composed of a crushing speed reducer, a small belt wheel, a large belt wheel, a center rotary shaft, a front roll shaft supporting frame, a rear roll shaft supporting frame, vibration roll shafts and elastic stirring rods. According to the seedling cultivating soil classification roller screen, crushing of soil blocks can be achieved through relative rotation of the vibration roll shafts and the double-layer roller screen body. Subsoil and blinding needed for machine-transplanted seedling cultivating can be directly obtained from crushed fine grained soil by means of the double-layer roller screen body, and manpower and material resources are saved. The seedling cultivating soil classification roller screen also has the beneficial effects of being stable in running, simple in structure, convenient to operate and the like.

The present invention includes a method for determining a soil classification comprising: obtaining a soil sample; conducting two or more of the following tests in the field, wherein the tests are selected from wash test, a feel test, a test tube particle graduation, or a jar test, to obtain raw data for each test; and calculating the soil classification from the raw data obtained in the field by applying a previously obtained validation dataset obtained from a training and validation soil classification calculation using known samples. The invention also includes compressed earth blocks made using the present invention.

The invention relates to the technical field of plant cultivation, in particular to a plantation method of gastrodia elata. The method comprises following steps: selecting saw dust, utilizing aqueous solutions of potassium permanganate and copper sulfate to prepare a mixed solution at the normal temperature, soaking saw dust into the mixed solution, taking out saw dust, stirring soil and soaked saw dust to properly stirred, placing halimasch branch lindens into the stirred basic categories of soil classification, padding branches under halimasch branch lindens, planting gastrodia elata tubers or seeds to the basic categories of soil classification, filling soil containing sawdust, watering once for every 3 to 5 days after plantation, spraying compound fertilizers of 10g / m2 every 1 to 2 months, harvesting after 6-8 months of spring transplanting and harvesting after 9-11 months of winter transplanting, packaging and adding preservatives for fresh storage.

The invention discloses a soil classification method based on a hyperspectral computing imaging system, thereby realizing rapid and accurate classification of different types of soil. According to theinvention, soil classification is carried out by using an LCTF-based hyperspectral computing imaging system; a compressed measurement value of a soil image is measured and reconstruction of an original spectral image is performed by using acompressed sensing theory, thereby improving the spectral resolution of the soil spectral image; on the basis of a spectral difference theory, differences between different soil types are enhanced by using spectral differences between all soil samples and all soil types as input features; and then classification is carried out by using a 3D-CNN, and advantages of the spectral images are utilized by using soil spectral image space and spectral information. According to a feature dimensionality reduction algorithm, the original spectral information is kept to the greatest extent, the spectral dimension is reduced, the training efficiency is improved, the type features of the soil are highlighted, and the classification accuracy is improved.

The invention discloses a rapid soil classification method based on visible near infrared spectrum and multi-target fusion. The method comprises the following steps: firstly, rapidly acquiring spectral data of air-dried and ground soil samples in different soil horizons of the soil profile by a visible near infrared spectrometer, and dividing a data set into a modeling set and an independent verification set after smooth denoising; next, establishing a binary-class support vector machine model based on radial basis function for correlation between soil system classification results of the soilprofile and spectra of the soil profile in the modeling set; then, predicting an independent verification set by the binary-class support vector machine model, extracting votes of all soil type binary-class combinations in each horizon from the binary-class support vector machine model, and summing up the total votes of all the horizons in the same profile; finally, taking the soil type with thehighest total vote as the predicted soil type of the soil profile. The soil type of the profile can be predicted quickly and accurately, and a new idea is provided for large-scale and high-precision soil mapping and land resource investigation.

The present invention relates to a mobile-terminal-based soil type identification apparatus, and aims to solve the problems of reducing errors of soil classification and improving the portability of field soil classification. The mobile-terminal-based soil type identification apparatus comprises a working compartment and a mobile terminal, the working compartment is internally provided with a soil sample box for containing a soil sample to be detected, and is used for shielding light outside the working compartment, and the mobile terminal is arranged outside the working compartment, and is used for collection of color information of the soil sample to be detected in the soil sample box in the working compartment, and determining the soil type of the soil sample to be detected in accordance with the color information. The soil sample box is placed in the working compartment, interference of the external light on color of the soil sample to be detected can be avoided, and the errors of soil classification can be reduced. The color information is acquired and analyzed by the mobile terminal, since the portability of the mobile terminal, the mobile-terminal-based soil type identification apparatus is suitable for use in the field, and the portability of the field soil classification is increased.

The invention relates to the technical field of data processing systems or methods, in particular to a southern soil sample point data cleaning system and method, and the system comprises: a data judgment subsystem which is used for comparing sample data with standard data and marking the sample data as wrong soil classification data when the sample data does not accord with the standard data; anda data cleaning subsystem which is used for correcting wrong soil classification data according to the standard data.The data judgment subsystem which is further used for comparing the sample data with a standard threshold value and marking the sample data as error data when the sample data exceeds the standard threshold value, marking the sample data as abnormal data when the sample data does not exceed the standard threshold value and exceeds the expected threshold value. The data cleaning subsystem is also used for acquiring associated data and correcting error data and / or abnormal data. By adopting the scheme, sampling data can be cleaned, and wrong soil classification data, abnormal data and wrong data can be corrected.

Aiming at the problems of poor representativeness of soil attribute investigation sample points, spatial variability of sample point density and soil attribute, unclear relationship with investigation granularity and precision requirements and the like in the existing method, the invention provides a county soil attribute investigation sample point arrangement method based on a composite type unit, and belongs to the field of soil resource investigation and research. According to the method, a soil composite type landscape unit vector diagram is constructed in real time according to the granularity requirement of soil classification investigation to obtain a characteristic landscape index value, so that the spatial variability of soil attributes to be inspected in each composite type landscape unit and the number of investigation sample points meeting the precision requirement are calculated; and soil survey sample points are randomly and uniformly distributed by utilizing the spatial distribution pattern of the composite type landscape units, so that geographic and attribute space full coverage of the soil survey sample points is realized, the requirements of preset soil survey granularity and precision are met, and the quality and efficiency of soil survey are improved.

The invention discloses a movable sorting apparatus for radioactive soil. The movable sorting apparatus is characterized by comprising a drying and screening device, an online detecting device, a cleaning and drying device, a separator plate mechanism, a soil sorting device and a packaging device. The drying and screening device is used for drying soil and separating stone from soil. The on-line detecting device detects the radioactivity degree of soil and sends a command signal to the separator plate mechanism and the soil sorting device. The separator plate mechanism separates soil with different radioactivity degrees through four different separator plates. The soil sorting device uses four different funnels and corresponding containers for collecting and buffering soil, and then the containers full of soil are pushed onto a conveyor belt by rack push rods, then transported to the packaging device by the conveyor belt for packaging work and finally transported out by the conveyor belt. The movable sorting apparatus of the invention sorts soil according to the radioactivity degree of contaminated soil, and performs targeted treatment on soil with different radioactivity degrees,so treatment efficiency is greatly improved and treatment cost is effectively reduced. At the same time, the apparatus can be disassembled and assembled, and can be fixedly connected with a containerthrough the rack and then be transported to a desired place via the container, is applicable to emergency treatment of radioactive pollutants, and has the advantages of flexibility, convenience and great economic value and strategic significance.

The invention discloses a forest resource carbon sink assessment and collection system based on multi-source spatial data, which comprises a collection box, four corners of the bottom end of the collection box are fixedly connected with fixed vertical rods, the bottom ends of the four fixed vertical rods are provided with moving wheels, one side of the collection box is provided with a soil extraction and collection mechanism, and the other side of the collection box is provided with a soil sampling and collection mechanism. Soil in a forest is taken out to serve as a detection sample by utilizing the sampling barrel, soil at different positions can be classified and placed in different storage cavities, and a driving motor and a lead screw can drive a moving block and an extending block to move, so that the sampling barrel can move to one side of the corresponding storage cavity; the hydraulic telescopic rod and the rotating motor can drive the sampling barrel to lift and rotate, so that the sampling barrel is gradually embedded into the soil of the forest to sample and collect the soil, the content of carbon in the soil of the forest can be conveniently compared and detected subsequently, and sampling can be carried out from different positions and placed in the storage cavities in a classified manner.

The invention discloses a method for planting arabica coffee in a pond. The method comprises the following steps of (1), planting and base fertilizer application, wherein a suitable plot is selected for digging the pond, a base fertilizer is applied at the bottom of the pond according to density of 85-100grams per plant, soil is mixed well with the base fertilizer, and coffee seedlings with 3-5 true leaves are planted in the pond; (2) soil sample detection, wherein after the coffee plant age is up to 1 year, a plurality of points are randomly selected at a coffee planting base to collect soilsamples for testing; (3) mixed fertilizer application, wherein according to a soil sample nutrient test result and a related soil classification standard, the soil quality of the planting plot is determined, then a mixed fertilizer is prepared by combing nutrients required for the growth of coffee plants, an arc-shaped ditch is dug in the ground away from the plants for 20-30 centimeters, the ditch depth is 8-15 centimeters, then the mixed fertilizer is spread evenly in the arc-shaped ditch according to the density of 130-180grams per plant, and finally the ditch is covered with soil, the fertilization is carried out once every 3 months, and the fertilizer amount of each time is same; and (4) foliar topdressing, wherein a boron fertilizer and a zinc fertilizer are prepared into a layer solution in a mass ratio to be sprayed on leaf surfaces.

The invention discloses a suitable soil and tree inlaying forestation method, which comprises the following steps: firstly, analyzing and surveying different soil distributions in a forestation area according to the forestation area and selecting more than one tree seeds with different features for collocating according to different soil distributions; and then, preparing soil in a slope-separating counter-slope form and digging holes in separating slopes; and lastly, respectively sowing the selected tree seeds in different tree holes according to the soil classification, thereby finishing forestation. In the suitable soil and tree forestation manner, the survival rate of trees is greatly increased; the growth and development of the trees are boosted; and the tree cover degree and ecological repairing effect are increased. The method is strong in pertinence, simple and practical, low in cost, free from damaging environment and influencing the normal growth of the trees and especially suitable for application and usage in a loess plateau area.

The invention relates to the technical field of soil quality detection. The invention further discloses a foundation soil quality classified detection sampling device before building engineering construction. The foundation soil texture classified detection sampling device comprises a sampler, wherein the interior of the sampler is movably connected with a fixed rod; the top part of the fixed rodis fixedly connected with a rotating wrench; fixed teeth are fixedly arranged in the sampler; a dragging handle is fixedly connected to the right side of the sampler; an air pressure chamber is movably connected to the lower portion of the fixed teeth; a sampling shovel is connected to the end, away from the rotating wrench, of the fixed rod in a specified mode; and a sample discharging plate is movably connected to the interior of the sampling shovel. When a movable sliding block moves to the outermost end of a movable rail, the movable sliding block is clamped into a clamping groove at the tail end of the movable rail, and supporting feet support the sampler due to the gravity action of the sampler, so that the sampler can be fixedly arranged in the sampling process, the sampler cannot be damaged in the sampling process and the waste of resources is reduced.

The invention relates to the technical field of geotechnical engineering investigation, discloses a portable sandy soil classification and identification device, and aims to solve the problem that theparticle size of sandy soil is difficult to accurately judge in a field environment. The device comprises a measuring cylinder, which is matched with screening cylinders of different specifications,wherein all the screening cylinders are detachably installed in the measuring cylinder in a using process, scales for metering are arranged on the lower end surface of the measuring cylinder, each screening cylinder comprises an inner pipe body, and screening holes corresponding to the screening cylinders in specification are formed in the pipe face of each inner pipe body. The device is suitablefor rock-soil particle size investigation.

A corrosion amount estimation apparatus includes a soil analysis unit adapted to acquire a particle diameter distribution in soil in each of plural soil samples; a corrosion measurement unit adapted to take electrochemical measurements at plural soil moisture percentage values on an electrode containing the metallic material buried in each of the soil samples; a soil classification unit adapted to classify the soil in each of the soil samples; a corrosion rate calculation unit adapted to calculate a corrosion rate regarding each of the soil samples at each of the soil moisture percentage values and identify a local maximum corrosion rate; a corrosion estimation curve generation unit adapted to generate a corrosion estimation curve; and a corrosion amount estimation unit adapted to acquire the class proportions of actual soil in which the metallic material is buried, acquire the local maximum corrosion rate corresponding to the class proportions from the corrosion estimation curve, and estimate the corrosion amount of the metallic material.

The invention discloses a Chinese and American geotechnical engineering soil classification criterion conversion device and method. The Chinese and American geotechnical engineering soil classification criterion conversion device comprises an information configuration module, an import interface module, a calculation module, a conversion module and an output interface module which are integrated through a human machine interaction interface system. The Chinese and American geotechnical engineering soil classification criterion conversion device and method can achieve free conversion between the Chinese criterion and the American criterion, and the conversion accuracy and efficiency are high. The Chinese and American geotechnical engineering soil classification criterion conversion device can effectively break through the obstacle formed by difference of the Chinese criterion and the American criterion.

The invention discloses a static sounding automatic soil layer division technology based on a pattern recognition technology, and relates to the technical field of soil layer division. The method comprises the following steps: sorting and analyzing static sounding data, and determining a training sample: collecting static sounding original data of an existing project, a corresponding layering result and comparable drilling data, and analyzing, screening, normalizing, standardizing and structurally sorting the static sounding original data, and sorting and normalizing and inputting the static sounding original data. According to the method, the model for automatically dividing the soil layer is trained based on the mode recognition technology, depiction and comparison of the static sounding curve form are fully grasped, the static sounding curve form serves as an important factor for dividing soil types, and the cone tip resistance, the side wall resistance and the friction resistance ratio in the static sounding data are combined, so that automatic soil layer division of the static sounding hole is achieved, and the accuracy of soil classification is improved. Therefore, the accuracy of automatic soil layer division through static sounding is greatly improved, the weighting coefficients of different types of data are added to improve the influence of important types, and the accuracy and reliability of stratum type recognition are further improved.

The invention belongs to the technical field of power transmission and transformation projects, and particularly relates to a geological classification management method for power transmission and transformation engineering soil and stones in the eastern area of inner mongolia, which can facilitate project bidding and settlement and improve the cost control accuracy and the cost management refinement level of the eastern area of inner mongolia. According to the invention, different geological descriptions in the geological exploration report are in one-to-one correspondence with soil classification in the line quota to form a unified standard of soil and stone classification, and the unified standard is divided into a line engineering part and a power transformation engineering part. According to the invention, the soil and stone conditions of an actual project are collected. The invention discloses a construction technology and method for actual earth-rock quality and foundation excavation earthwork on a construction site. The method corresponds to the description of the geotechnical engineering investigation report and the power transmission line budget quota of the power construction engineering. Geotechnical engineering investigation reports and budget quota soil and stone classification and comparison are made, a comprehensive, complete and practical engineering soil and stone geology classification and management method is established, engineering bidding and settlement are facilitated, cost control precision is improved, and the cost management refinement level is improved.