139 results about "Field conditions" patented technology

The invention belongs to the field of rapid detection of environment-friendly water quality, and particularly relates to a kit for rapidly detecting the concentration of fluorine ions in water and a use method thereof. The invention discloses a rapid detection kit for the concentration of fluorine ions in water. The rapid detection kit comprises a fluorine ion rapid detection reagent, a fluorine ion rapid detection color card, a detection accessory and a use method of the rapid detection kit. According to the invention, tedious operations such as solid powder, dangerous organic solvent and multi-step pipetting addition are not needed, the device is convenient to carry, and rapid, simple, high-precision and high-interference-resistance fluorine ion detection of non-specialized personnel under field conditions is realized.

The invention provides a fault detection semi-supervised learning method for a three-dimensional seismic data sparse labeling scene. The fault detection semi-supervised learning method is used for realizing stable and continuous three-dimensional fault identification under the condition that only a small number of two-dimensional slices are labeled and a large number of voxels are not labeled. According to the method, firstly, a supervision mask is generated in a three-dimensional space based on two-dimensional marking, and supervision learning is executed only in an effective area to adapt to marking scarcity characteristics; and then, constructing a double-student model, keeping prediction coordination in an unlabeled area through mutual generation of pseudo labels, probability consistency and confidence constraint, and applying consistency constraint to overlapped areas of adjacent three-dimensional sub-blocks in combination with a teacher model so as to maintain spatial continuity of a fault structure. Through joint optimization of synthetic data pre-training and field data migration training, the model can still obtain reliable fault structure expression under the field conditions of strong noise, weak reflection and obvious cross-work-area difference.

The utility model discloses an isolation belt device for blocking and treating acid mine wastewater, and belongs to the technical field of mine wastewater isolation. The device comprises a buoy, an isolation belt fixing frame is arranged at the bottom of the buoy, a weight settling box is arranged at the bottom of the isolation belt fixing frame, and filler is filled in the weight settling box; biomass filler is arranged in the isolation belt fixing frame, and three-dimensional elastic brush filler is arranged on the front side and the rear side of the isolation belt fixing frame in a binding mode. The device disclosed by the utility model is simple in structure, can be effectively assembled according to site conditions, can be in contact with the bottom, realizes multi-depth treatment, can effectively reduce the concentration of dissolved oxygen converged into AMD, gradually improve the bottom layer environment, promote the growth of anaerobic microorganisms, perform biofilm formation synergistic treatment by using indigenous microorganisms and avoid the problem of adaptability of exogenous microbial agents, and can be effective for a long time; the cost and the risk of additionally adding nutrient sources and microorganisms are reduced.

The invention relates to the field of construction quality management, and provides a tunnel lining construction quality management and control method and system.The method comprises the steps that first information and second information are obtained, and the first information comprises geological survey parameters of a tunnel target section, a lining design BIM model, concrete material parameters and construction equipment parameters; the second information comprises field condition information after the tunnel target section is demoulded; discrete element-finite element coupling simulation and multi-parameter space traversal analysis processing are carried out according to the first information, and a process parameter sensitivity map and a defect risk early warning database of lining construction are obtained; according to the process parameter sensitivity map, the defect risk early warning database and the second information, performing fusion to obtain a multi-physics field fusion feature tensor; performing traceability processing according to the multi-physical field fusion feature tensor to obtain a defect cause diagnosis report; and the construction parameters of the next target section are adjusted according to the defect cause diagnosis report. According to the invention, active early warning of the tunnel lining construction quality is realized.

The invention relates to the technical field of agricultural machinery, and discloses an intelligent dynamic regulation and control method for cleaning operation of a rice and wheat combine harvester, which comprises the following steps: setting an operation parameter initial value of a cleaning device according to operation condition information; the cleaning loss rate, the cleaning impurity rate and operation parameters are monitored in real time; the data obtained through real-time monitoring are compared with a preset threshold value, and the cleaning operation state is evaluated; the regulation and control priority is judged based on the combination of the cleaning loss rate state and the cleaning impurity rate state obtained through evaluation; a corresponding rule set is matched according to the judged priority and the cleaning operation state, and a parameter regulation and control decision is generated; calculating and executing parameter adjustment based on a parameter regulation and control decision, and performing loop iteration control after evaluating a regulation and control effect; automatic optimization of cleaning operation of the rice and wheat combine harvester is achieved through the intelligent dynamic regulation and control technology, manual intervention is not needed in the whole regulation and control process, cleaning parameters can be automatically adjusted according to field condition changes, and it is guaranteed that the cleaning loss rate and the impurity rate are stabilized within the ideal range.

The utility model discloses an extracorporeal circulation blood vessel connecting structure under a field operation condition, and relates to the technical field of medical instruments. The connecting structure comprises a connecting assembly I and a connecting assembly II; the two ends are respectively inserted into blood vessels on the left and right sides of the broken blood vessel; the first connecting assembly and the second connecting assembly are of the same structure and are symmetrically arranged, and each connecting assembly comprises a puncture assembly, a drainage tube and a connecting base arranged at the end of the drainage tube. The switching structure is connected between the first connecting assembly and the second connecting assembly. According to the extracorporeal circulation blood vessel connecting structure under the field operation condition, rapid and stable connection of broken blood vessels is achieved by designing the connecting structure and the switching structure, and therefore the treatment efficiency and the survival rate of wounded personnel in the field operation environment are remarkably improved.

The invention relates to the technical field of machine learning, and particularly discloses a remote intelligent control method for a gas pipeline multi-branch safety valve based on an AI model, and the method comprises the following steps: obtaining original flow data and pipeline inner wall image data of a plurality of branches of a gas pipeline; inputting the original flow data and the pipeline inner wall image data into a pre-trained flow correction model to obtain corrected flow data of each branch; based on the corrected flow data, a control instruction of each branch safety valve is calculated through a control algorithm, and the control instruction comprises the specific adjustment amount of the opening degree of the safety valve; and sending the control instruction to a safety valve execution device of a corresponding branch through a communication network. The negative influence of the corrosion form on the stability of the flow field is effectively eliminated, precise control over gas conveying under the non-uniform flow field condition is achieved, and the safety of a gas pipeline system and the gas supply stability are guaranteed.

System and method for determining at least one first measurement region for carrying out at least one measurement with a crop nutrient measurement device for providing a fertilizer recommendation based on position dependent yield data. Different embodiments for determination of the measurement regions regarding specific locations and field conditions are disclosed.

This invention discloses a hydrophobicity rating system for superhydrophobic surfaces of energy equipment, relating to the field of hydrophobicity rating technology. The system includes a data acquisition module, an optimal parameter combination module, a sample preparation module, a hydrophobicity quantification and evaluation module, a test closed-loop calibration module, and a hydrophobicity rating classification and output module. These modules are interconnected, and through their collaborative operation, the system quantifies, performs closed-loop calibration, and classifies the hydrophobicity index of superhydrophobic samples of energy equipment with different microstructures. The closed-loop calibration process fully considers both anti-icing and weather resistance, significantly improving the accuracy and generalization ability of the hydrophobicity rating results. This solves the problems of inaccurate evaluation results and inability to adapt to extreme field conditions caused by traditional evaluation systems relying solely on conventional laboratory environments, single physical tests, and empirical thresholds for rating. This enhances the intelligence level of hydrophobicity rating evaluation for superhydrophobic surfaces of energy equipment.

The invention belongs to the technical field of molecular breeding, and particularly relates to application of an E1-SOC1 gene model in cultivation of wide-adaptability soybean varieties. Research finds that three genes (E1 and homologous genes E1La and E1Lb) of an E1 family and two genes (SOC1a and SOC1b) of an SOC1 family are knocked out from soybeans at the same time by utilizing a gene editing technology, and the obtained homozygous five mutants show wide adaptability when planted under field conditions of different latitude regions; and the method has certain wide adaptability in the aspects of plant height, section number, flowering period, mature period and yield. It is indicated that the E1-SOC1 gene module (E1, E1La, E1Lb, SOC1a and SOC1b genes) is expected to be applied to molecular design breeding for breeding wide-adaptability soybean models, and has important application prospects in soybean molecular breeding research.

The application discloses a grassland seed rain collecting device, belongs to the technical field of seed rain collecting, and can solve the problems of instability, easy aging and breaking, great influence of extreme weather conditions and terrain, and time-consuming and labor-consuming installation and sampling of the existing grassland seed rain collecting device under field conditions. The device comprises a capturing layer, a plurality of hollow lattices are arranged on the capturing layer, and a capturing structure is arranged on each hollow lattice; each hollow lattice is provided with a pore between the corresponding capturing structure, and the seeds captured by the capturing structure can fall from the capturing layer through the pore; a collecting layer is arranged below the capturing layer, is a water-permeable structure, and is used for collecting the seeds falling from the pore; an isolation layer is arranged below the collecting layer, is used for isolating the contact between the collecting layer and the ground, and is provided with a plurality of water leakage holes, the water leakage holes are used for discharging the water falling on the isolation layer; and a fixer is used for fixing the capturing layer, the collecting layer and the isolation layer on the ground. The application is used for seed rain collecting.

To enable the recommendation of more appropriate work settings compared to conventional methods, depending on the field conditions. [Solution] Based on the setting information entered by the worker and the field condition information, recommended setting information is generated, which is the recommended value for the setting information of the vehicle body (10) and implement (5) when performing work. This makes it possible to recommend more appropriate work settings than in the past, according to the field conditions.

The present application relates to a kind of plant protection machine wide spraying boom posture adjusting system and its posture control method, the system includes height adjusting component, horizontal adjusting component, side spraying boom component and hydraulic control system, horizontal adjusting component includes middle spraying boom support, leveling oil cylinder, middle spraying boom, spraying boom posture controller and inclination sensor, the upper portion of middle spraying boom support is hinged with the middle portion of crossbeam, the lower portion is hinged with one end of leveling oil cylinder, the other end of leveling oil cylinder is hinged with the end of crossbeam, middle spraying boom is fixed on middle spraying boom support by pipe clamp, spraying boom posture controller and inclination sensor are respectively arranged in middle spraying boom support or middle spraying boom, and spraying boom posture controller receives the detection information of inclination sensor, and controls hydraulic control system to drive leveling oil cylinder to extend or retract;The horizontal adjusting component of the present application is driven by leveling oil cylinder to carry out angle adjustment to spraying boom support;Face to the ups and downs of field conditions, spraying boom can be adjusted to left and right within a certain angle range, and relative ground level is guaranteed.

The utility model provides a drilling machine on-site monitoring platform device which comprises an arc-shaped arm, clamps used for being clamped on drilling machine supporting legs are fixed to the two ends of the arc-shaped arm respectively, the arc-shaped arm is sleeved with an arc-shaped sleeve capable of sliding in the length direction of the arc-shaped arm, and a mounting base is fixed to the lower end of the arc-shaped sleeve. A transparent dustproof cover is fixed to the bottom of the installation base in a sealed mode, and a monitoring camera is installed in the dustproof cover. According to the drilling machine on-site monitoring platform device, the monitoring camera is arranged in front of the drilling rod of the drilling machine through the arc-shaped arm, the front portion of the drilling rod is not shielded generally, and the drilling process of the drilling rod can be monitored more clearly. And the monitoring camera fixed on the arc-shaped sleeve through the mounting seat can slide along the arc-shaped arm, so that the position of the monitoring camera can be conveniently adjusted by sliding the arc-shaped sleeve according to field conditions, and the optimal monitoring angle can be conveniently found. In addition, the monitoring camera is arranged in the dustproof cover, and the purpose of dust prevention can be achieved while shooting is not affected through the transparent dustproof cover.

The invention relates to the field of building construction methods, and discloses an air film hoisting construction method capable of avoiding equipment occupation, which comprises the following steps: S1, performing protection treatment on field large equipment; s2, performing structural calculation according to field conditions and large-scale equipment parameters; s3, a steel pipe hanging beam and a distributed hanging point clamp are matched, membrane cable combination units are synchronously lifted according to the preset operation radius, and the membrane cable combination units span the large equipment; s4, the crane is controlled to synchronously descend the membrane cable combination unit, and membrane material falling is completed; and S5, the located membrane material is subjected to inflation debugging. The construction method has the beneficial effects that building forming is completed on the premise that equipment is covered, the existing inherent logic of first disassembly and then construction is replaced, high equipment disassembly and reassembly cost and production halt loss are omitted, the construction period occupied by disassembly is converted into efficient hoisting operation, and the cost and the construction period are greatly optimized.

The application discloses a mixed layer thickness identification method based on a carrier coordinate system, and the identification method comprises the following steps: importing flow field data; uniformly processing the flow field data, and marking fluid domains and non-fluid domains; identifying active flow and passive flow, and respectively tracking characteristic flow lines of the active flow and the passive flow to determine the boundary of a mixed area; establishing a carrier coordinate system, and determining an integral path set of the mixed area; integrating all the integral paths to obtain the mixed layer thickness of each integral path, i.e., to obtain the mixed layer thickness along the flow direction of the mixed area; screening out integral path discrete points with abnormal growth or reduction of the mixed layer thickness before and after the mixed layer thickness, and removing the integral path discrete points; drawing a curve graph of the mixed layer thickness along the flow direction, and completing the identification of the mixed layer thickness. The application is applied to the field of flow field mixing, can meet the calculation requirements of the mixed layer thickness under more general flow field conditions, and provides more accurate data for flow field analysis, mixed supercharging evaluation and other applications.

The application provides a kind of metrological traceability device for hollow axle ultrasonic detection system of rolling stock, and belongs to the technical field of rolling stock ultrasonic detection.The metrological traceability device includes: ultrasonic unit detection device, used for calibrating performance parameters of ultrasonic unit in hollow axle ultrasonic detection system; ultrasonic probe detection device, used for calibrating performance parameters of ultrasonic probe in hollow axle ultrasonic detection system; calibration test block, having a guide hole and at least one reflection structure; the calibration test block cooperates with the ultrasonic probe detection device to complete the calibration of performance parameters of the ultrasonic probe.The application significantly reduces calibration cost and improves equipment utilization, avoids assembly error introduced by disassembly, and stabilizes long-term precision and detection reliability of the detection system, realizes direct migration of laboratory-level metrological capability to field conditions, and ensures that the detection result has reliable metrological traceability and consistency.

This invention provides a handheld method and device for detecting vegetation index of crop leaves, relating to the field of plant phenotyping technology. The method includes: controlling a contact linear array image sensor to scan the leaf of the crop to be tested line by line in the shaded leaf channel to obtain multi-channel reflectance grayscale digital quantities corresponding to each band; sequentially performing radiation baseline drift suppression, fluorescence cross-channel crosstalk compensation, and crosstalk bias correction on the multi-channel reflectance grayscale digital quantities to obtain multi-channel response data; determining the vegetation index of the leaf of the crop to be tested based on the multi-channel response data, and extracting the leaf phenotypic parameters of the leaf of the crop to be tested; determining the growth status of the leaf of the crop to be tested based on the vegetation index and leaf phenotypic parameters. This method can suppress the influence of ambient light interference, fluorescence crosstalk, and multi-band crosstalk on the measurement results, improve the accuracy of the vegetation index and the reliability of the leaf phenotypic parameters, and is beneficial for high-frequency, continuous, single-person handheld operation under field conditions.

The invention discloses a stirring anti-blocking type seeding machine which comprises a rack, a seeding mechanism, a walking mechanism and an adjusting mechanism, the seeding mechanism comprises a seed box, a cover plate, a motor, a transmission belt, a transmission wheel, a poked sheet, a poke rod, a stirring rod, a limiting groove, a butt-joint blanking pipe and a discharge port spring; the walking mechanism comprises a guide rod, a fixing plate, a two-way screw rod, supporting legs, idler wheels and gears. The adjusting mechanism comprises a traction rope, a lifting rack, an ejector rod, a handheld rotating rod, a shaft seat, a vertical rod and a reset spring. The seeder adopts a stirring anti-blocking structure, so that bridging, caking and blocking of seeds can be inhibited, the risk of miss-seeding and seeding interruption is reduced, and the seeding is stable and uniform; the roller spacing and operation parameters can be conveniently adjusted to adapt to different crop row spacing and plot conditions; the whole structure is compact, portable and easy to maintain, the seeding consistency and the operation efficiency are improved, and the manual labor intensity is reduced.

This invention relates to a method for verifying the accuracy of artillery, comprising the following steps: North-pointing calibration of the artillery is performed, and the artillery after north-pointing calibration is taken as the initial state. If automatic gun-adjustment accuracy verification is performed, the azimuth and elevation angles measured by the artillery's inertial navigation system in the initial state are recorded, as well as the azimuth and elevation angles of the artillery barrel's central axis measured by the north-pointing total station in the initial state are recorded. If aiming line offset verification is performed, the azimuth and elevation angles measured by the artillery's inertial navigation system in the initial state, as well as the reading of the gun sight, are recorded. A first marker point and a second marker point are respectively affixed to the breech and muzzle on one side of the artillery barrel. A first total station and a second total station are respectively set up on the rear and front sides of the artillery barrel. This invention can solve problems such as inconsistent north-pointing among various types of equipment, lack of artillery inertial navigation detection methods, low efficiency of traditional aiming system detection methods, and lack of detection methods under field conditions.

The application provides a calculation method of passive earth pressure of a foundation pit rock-socketed support pile. The calculation of the passive earth pressure comprises the following steps: setting an angle between a passive sliding surface and a horizontal plane as θ, dividing the earth pressure calculation model into three cases according to the relative position relationship between the sliding surface and a reserved rock shoulder in the pit, and establishing equations according to the static equilibrium condition on the sliding body by using the limit equilibrium method to obtain the passive earth pressure expression of the three cases; deriving the earth pressure expression with respect to θ, setting the equation as 0 to obtain θ' of different cases, comparing θ' with limit angles θ1 and θ2 of the three cases, selecting a suitable θ value to be substituted into the corresponding passive earth pressure equation, respectively obtaining the passive earth pressure of the three cases, and taking the minimum value as the actual passive earth pressure. The application fully considers the passive earth pressure provided by the reserved rock shoulder in the soil-rock combined foundation pit, so that the calculated passive earth pressure is more in line with the field conditions, and the calculation formula is simple and practical.

This invention relates to a new machine component that allows the tightening level to be observed by the person tightening the component through a color change, linked to the increasing torque level during assembly. With our invention, technical problems related to assembly difficulties and extended duration experienced during the production phase are solved. Technical problems that may occur during the period between the assembly process of the machine element and its use are solved. Most importantly, it is easily controlled whether the machine element is tightened at a level appropriate for the tightening calibration in every field condition. As well as being controlled by the person tightening the machine element, it functions without losing its function in the subsequent checks.

This invention provides a route creation method, a work vehicle, and a route creation system that can create a travel route that allows for efficient and stable harvesting, taking into account the field conditions and the condition of the machine. [Solution] The combine harvester 1, a work vehicle that performs harvesting along a travel path in a field, includes a lodging information setting unit 48 that sets lodging information related to lodging areas in the field where grain stalks have fallen over, and a route creation unit 49 that creates a travel path, including harvesting grain stalks within the lodging areas, based on the lodging information and the machine information of the combine harvester 1.

This invention provides an intelligent evaluation method for rockburst hazard at working faces based on principal component analysis-probabilistic neural networks, belonging to the field of rockburst hazard evaluation technology. An evaluation index system is established and data is collected by combining rockburst hazard influencing factors, drill cuttings monitoring, critical stress index monitoring, and actual field conditions. Principal component analysis (PCA) is used to simplify the original evaluation index data, resulting in comprehensive evaluation index data containing information from the original evaluation indicators. The comprehensive evaluation index data is divided into a training set and a test set. A probabilistic neural network (PNN) is used to train the evaluation model on the data in the training set, and then the performance of the evaluation model is tested using data from the test set, and its accuracy is calculated. If the accuracy is greater than or equal to 90%, the evaluation model is considered acceptable; if the accuracy is less than 90%, it is considered unacceptable, and the PNN's smoothing factor needs to be modified and retrained until the accuracy of the evaluation result meets the set value.

The present application relates to the technical field of machine learning, and specifically discloses a remote intelligent control method for a gas pipeline multi-branch safety valve based on an AI model, comprising the following steps: obtaining original flow data and pipeline inner wall image data of multiple branches of a gas pipeline; inputting the original flow data and pipeline inner wall image data into a pre-trained flow correction model to obtain corrected flow data of each branch; based on the corrected flow data, calculating control instructions for safety valves of each branch through a control algorithm, wherein the control instructions include specific adjustment amounts of safety valve opening degrees; and sending the control instructions to safety valve execution devices of corresponding branches through a communication network. The present application effectively eliminates the negative impact of corrosion patterns on the stability of the flow field, realizes accurate control of gas transportation under non-uniform flow field conditions, and ensures the safety and gas supply stability of the gas pipeline system.

This invention provides a physical simulation device and method for developing high-temperature and ultra-high-pressure fractured-vuggy oil and gas reservoirs. By setting an asymmetrical combination of a central hole and an eccentric hole on the end face of the first probe, combined with a closed rubber sleeve structure, it achieves a realistic simulation of the eccentric contact state between the wellbore and the fractured-vuggy body, avoiding the problem of artificially high recovery rates caused by traditional end-face opening methods. Simultaneously, the use of a rubber sleeve made of high-temperature and high-pressure resistant composite material and a multi-seal structure, along with independent control of axial pressure and confining pressure, ensures stable operation of the device under ultra-high temperature and ultra-high pressure conditions. Furthermore, by combining laser etching fractured-vuggy core fabrication technology with a multi-pore combination development scheme, it can flexibly simulate various development modes such as depletion development, huff-and-puff production, and displacement development, providing a reliable experimental platform for studying the development laws of fractured-vuggy oil and gas reservoirs. This significantly improves the matching degree between physical simulation results and actual field conditions, and has strong engineering application value.

An agricultural feed particle separator adapted for field use provides a portable unit with a fully sealable shaker box allowing viewing of the process through an upper window. Equal tare weights of the drawers of the shaker box and or the built-in load sensing system eliminates the loss of material in field conditions that can occur during transfer of feed material from drawers into separate containers for transport. In some embodiments each of the drawers may have a matching tare weight.

Projectile guiding assemblies, caps and methods of delivering power for testing and optionally data over spring-mounted fin(s) of the guiding assembly are provided. The guiding assemblies are configured to have continuous electrically conductive path(s) from the fin(s), through the respective spring(s) on which the fin(s) are mounted, and into the electronics module, which may receive power for testing and guiding data from external source(s) over the electrically conductive path(s). In the testing state, cap mechanically secures the fin(s) to contact(s) thereupon to assure continuous power and data transfer, sparing surface area that was previously dedicated to power and data transfer and simplifying these processes, especially under field conditions.

The utility model provides a pipeline protection device arranged under field operation conditions. The pipeline protection device comprises a line protection body, a hinge, a binding device and an installer. A wire passing cavity for a pipeline to penetrate through is formed in the wire protecting body, and wire penetrating openings penetrating into the wire passing cavity are formed in the two sides of the wire protecting body. During installation, the binding seat is fixed to the preset adjusting end of the ground, the multiple wire protection bodies are sequentially connected through the hinges to form a flexible pavement, one end of the pavement is fixed to the set fixing end of the ground, and then the wire protection body at the other end of the pavement is placed in the binding seat, so that the flexible pavement is formed. And then the pipeline sequentially penetrates through the side faces of the connecting hinges of the wire protectors, so that the pipeline penetrates through the wire passing cavities of the wire protectors and penetrates under the ground with complex road conditions, and normal driving of vehicles above the paved road is not affected. Therefore, the pipeline can be quickly laid by laying the pipeline protection device under the condition of not intervening the terrain, and the emergency time can be shortened.

This invention discloses a method for detecting the location of casing wells based on ultra-deep electromagnetic logging while drilling, belonging to the field of oil and gas field development. The method includes the following steps: s1, selecting and determining the use of ultra-deep harmonic anisotropic attenuation (UHAA) signals for casing well location detection; s2, creating a chart showing the relationship between the casing well location and the UHAA signal; s3, establishing the relationship between single-point response and casing well location; s4, selecting single-point or multi-point determination methods based on field conditions to obtain the UHAA signal, and then preliminarily determining the casing well location and its azimuth angle based on s2 and s3; s5, performing layered formation influence correction and wellbore non-parallelism influence correction on the casing well location and azimuth angle preliminarily determined in s4, ultimately determining the precise location and azimuth angle of the casing well. This invention can accurately determine the location of casing wells, providing important support for horizontal well neighbor well identification and collision prevention monitoring in oil and gas field development.