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11results about How to "Efficient development" patented technology

A flood disaster assessment method based on the fusion of remote sensing imagery and GIS data

This invention relates to a flood disaster assessment method based on the fusion of remote sensing imagery and GIS data, belonging to the field of flood disaster monitoring and assessment technology. This method solves the problems of insufficient timeliness, limited coverage, and the inability of a single data source to comprehensively reflect the disaster situation in traditional assessment methods. Its technical solution mainly includes utilizing GIS data to provide spatial semantic background support, employing an improved UMNet++ model to accurately extract water body information before and after the flood from Sentinel-2 remote sensing imagery, and achieving quantitative assessment and hierarchical visualization of disaster severity through multi-source data fusion and spatial overlay analysis. The beneficial effects of this invention are that it significantly improves the accuracy and comprehensiveness of flood disaster assessment, enabling rapid and scientific disaster response and decision support.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

A specialized cleaning machine for raw materials

This utility model relates to the field of raw material cleaning technology and discloses a special cleaning machine for raw materials, including a base plate and a cleaning tank. A protective shell is fixedly connected to the left outer wall of the cleaning tank. A motor is mounted on the outer wall of the protective shell. A rotating shaft is fixedly connected to the drive end of the motor. A gear is fixedly connected to the outer wall of the rotating shaft. A toothed plate is meshed with the upper end of the gear, and a toothed plate is meshed with the bottom end of the gear. A cleaning screen is fixedly connected to the right outer wall of both toothed plates. In this utility model, the motor, rotating shaft, gear, toothed plate, and cleaning screen are sequentially connected and work together to achieve the alternating movement of the cleaning screen in and out of the cleaning tank, realizing the function of cleaning and removing cleaned materials simultaneously. By utilizing the meshing transmission of the gear and toothed plate, the guiding support of the inner wall of the cleaning tank, and the unique design of the double-layer cleaning screen, the working efficiency and effect of a special cleaning machine for raw materials are improved.
Owner:ZHEJIANG UNIVERSITY OF TRADITIONAL CHINESE MEDICINE (QUZHOU QUJIANG) RESEARCH INSTITUTE CO LTD +1

Coal reservoir permeability test optimization method and system

PendingCN122087492AGuaranteed representationImprove the scientific nature of sample preparationEnsemble learningPermeability/surface area analysisOutlierRandom forest
The invention discloses a coal reservoir permeability test optimization method and system, and the method comprises the steps: carrying out the clustering analysis of coal samples of different coal orders through a K-means clustering and random forest algorithm, and constructing a permeability test database containing the permeability of different coal orders, the fracture pressure, the pore characteristics and other parameters; on the basis of a CT scanning result of the coal sample, physical characteristics such as a pore structure and fracture distribution of the lump coal are analyzed, a representative position is selected for sample preparation, and a fracture pressure interval of the sample is pre-judged according to a database; intelligently adjusting a pressurization strategy according to the pre-judgment interval, and switching to slow gradient pressurization when the pressure is close to the fracture pressure of the coal sample; and according to the measured data points, abnormal points and invalid data points in a fracture area are automatically identified and eliminated based on a random forest algorithm, representative data points are optimally selected in a permeability test stable section and a characteristic inflection point interval, and finally data constraint and fitting correction are performed through a P50 probability method. The method can improve the efficiency and accuracy of the laboratory coal permeability test.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

A soil condition sampling device for highway construction

This utility model relates to the field of highway testing technology, and more particularly to a soil sampling device for highway construction. It includes a mounting frame with symmetrically arranged hydraulic cylinders connected to its center. The telescopic ends of the hydraulic cylinders are oriented upwards, and each telescopic end is connected to a mounting block. A servo motor is connected between the mounting blocks, with its telescopic end oriented downwards. A sampling component is connected to the telescopic end of the servo motor. The sampling component includes a rotating tube connected to the telescopic end of the servo motor, a sampling tube threadedly connected to the bottom of the rotating tube, and a drill bit threadedly connected to the bottom of the sampling tube. Both the sampling tube and the drill bit are hollow structures. A horizontal mechanism is provided on the mounting frame for balancing the device and facilitating better sampling. This utility model improves the adaptability and stability of the device under various terrain conditions through the horizontal mechanism, and also enhances the safety, accuracy, and convenience of operation, providing a strong guarantee for the efficient implementation of soil sampling work in highway construction.
Owner:JIANGXI HUASHENG ENGINEERING INSPECTION & CONSULTING CO LTD

A bellows forming detection tool

ActiveCN224416359Ueasy to operateNot easy to polluteBristleHand held
The utility model relates to corrugated pipe detection technical field discloses a kind of corrugated pipe forming detection tools, including detection component, the detection component includes: vertical cylinder, the bottom end of the vertical cylinder is fixedly connected with cavity block, multiple micropores are evenly provided in the inside bottom end of the cavity block, the lower surface of the cavity block is uniformly fixedly connected with multiple bristles, the top end of the vertical cylinder is threadedly connected with screw cap.The corrugated pipe forming detection tool, by the cooperation between the components of detection component, detection personnel hand holds vertical cylinder, with bristle brush, the part of corrugated pipe to be detected for air tightness is brushed, whether bubble appears is observed, the detection of the air tightness of corrugated pipe can be completed, in this process, detection personnel can control whether soap solution flows out in vertical cylinder by whether pressing pressure rod, without needing to dip soap solution for multiple times during detection operation, operation is more simple, and pollution is not easy to drop and cause, subsequent cleaning operation intensity can be reduced, and practicality is enhanced.
Owner:SHENYANG JINGCHEN JUHUI TECH DEV CO LTD

Viscosifier and method for its preparation, composite plug oil displacement agent, enhanced recovery method

PendingCN122255341AImprove surface activityStrong salt toleranceFluid removalDrilling compositionPolymer solutionTackifier
The application discloses a tackifier, a preparation method of the tackifier, a composite plug oil displacement agent and an enhanced oil recovery method. The tackifier contains structural unit A, structural unit B, structural unit C and structural unit D, and the mass ratio of the structural unit A, the structural unit B, the structural unit C and the structural unit D is (2000-20000):(2000-40000):(4000-60000):(6000-100000), n is 1-15, m is 1-20, and the viscosity average molecular weight of the tackifier is 45-50 million. The tackifier has the following advantages: under the condition of a temperature of 60-70 DEG C and a salinity of 10000 mg / L, the viscosity of a polymer solution is greater than 100 mPa s; when the concentration of the polymer solution is 1000 mg / L, the surface tension is less than 40 mN / m, the tackifier has the function of emulsifying and dispersing crude oil, and the oil displacement efficiency of a physical model is increased by more than 12%.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A floating water pump for channel excavation engineering

ActiveCN224380119UReduce flood riskFlexible pumping and drainage
The utility model discloses a floating type water pump for channel excavation engineering, including diesel engine body, pump body, float body, the float body is assembled by a plurality of plastic buoy, and the periphery of float body is equipped with steel framework, and the upper side of steel framework is equipped with slide, diesel engine body and pump body are fixed on same base, and the base sets up on slide, and diesel engine body and pump body are connected drive through the belt pulley, the device utilizes the buoyancy of float in the condition of water rise or heavy rainfall, and makes diesel engine and water pump float on the water surface, reduces the risk of being flooded by water, and ensures that the water pumping and draining are flexible and efficient under the complex environmental conditions.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD

Artificial intelligence prediction method and system for self-assembly behavior of traditional chinese medicine monomer components

The present invention provides an artificial intelligence prediction method and system for the self-assembly behavior of traditional Chinese medicine monomer components. The method includes: acquiring multidimensional feature data of a target traditional Chinese medicine monomer; inputting the multidimensional feature data into a trained prediction model; obtaining a molecular structure embedding vector, an environmental feature vector, and an image feature vector of the target traditional Chinese medicine monomer based on the multidimensional feature data; fusing the molecular structure embedding vector, the environmental feature vector, and the image feature vector to obtain a fused feature vector; performing multi-task prediction based on the fused feature vector; and outputting the self-assembly behavior prediction result. This method employs a three-modal feature fusion strategy of molecular structure features, environmental parameter features, and characterizing image features to achieve simultaneous multi-task prediction of traditional Chinese medicine monomers. It overcomes the limitations of traditional experimental trial-and-error methods, significantly shortens the R&D cycle of self-assembled traditional Chinese medicine formulations, reduces R&D costs, and realizes the efficient development of self-assembled drugs from traditional Chinese medicine monomers.
Owner:SHENZHEN UNIV GENERAL HOSPITAL

Mechanical gauge for detecting the wear of an elevator steel wire rope

ActiveCN224377397Uefficient developmentGuaranteed to workElevators
This utility model discloses a mechanical measuring tool for detecting the wear of elevator wire ropes, relating to the field of wear detection technology. The utility model includes a wire rope detector, and further includes: a handheld part mounted on the top of the wire rope detector; an adjustment part mounted on the handheld part; the handheld part includes a handheld assembly mounted on the top of the wire rope detector; and a drive assembly mounted on the handheld assembly; the handheld assembly includes a rectangular bracket fixedly connected to the top of the wire rope detector, two rectangular plates fixedly connected to the rectangular bracket, and two fixing plates disposed between the two rectangular plates. This utility model, by designing a handheld part, solves the problem that existing mechanical measuring tools for detecting wear are inconvenient to adjust the grip spacing according to the actual needs of the inspector, reducing the inspector's comfort and adaptability, and affecting the inspector's work efficiency.
Owner:ZHEJIANG WANQUAN SPECIAL EQUIPMENT TESTING CO LTD

A low-spin Fe 3+ Preparation method of iron-rich NiFe-LDHs electrocatalyst

This invention relates to a low-spin Fe 3+ The preparation method of the iron-rich NiFe-LDHs electrocatalyst includes the following steps: (1) dissolving amino acids in an aqueous solution containing triethylamine to obtain solution A; (2) dissolving nickel salt and iron salt in a methanol solution to obtain solution B; (3) dissolving an organic base in a methanol solution to obtain solution C; (4) adding solution A to solution B and mixing to obtain solution D; then adding solution C to solution D to carry out a co-precipitation reaction, and finally centrifuging and vacuum drying to obtain the electrocatalyst. This invention uses amino acid pre-complexation and organic base micro-regulation to achieve an amino acid anion intercalation strategy. By utilizing the strong interaction between amino acids and the metal center of the layer, it not only suppresses the generation of impurity phases under high Fe content, but also expands the interlayer spacing and introduces lattice defects, inducing Fe in NiFe-LDHs. 3+ The spin configuration partially changes.
Owner:DONGHUA UNIV

Method for evaluating the solid solubility of chromium in copper-chromium-zirconium alloys

ActiveCN115616064Befficient developmentThe method mechanism is simple and clear
The application provides an evaluation method of the solid solubility of chromium in copper-chromium-zirconium alloy, the element proportion range of the copper-chromium-zirconium alloy is 0.3%-1.4% of chromium, 0.02%-0.20% of zirconium, less than 0.2% of impurities, and the rest is Cu, and the method comprises the following steps: shearing a standard sample block of the copper-chromium-zirconium alloy, and cleaning the standard sample block; heat treating the standard sample block to obtain a standard sample block to be tested; testing the magnetization curve of the standard sample block to be tested, and analyzing the solid solubility of chromium in the copper-chromium-zirconium alloy according to the magnetization curve. The evaluation method of the solid solubility of chromium in the copper-chromium-zirconium alloy provided by the application can be used for magnetically testing the standard sample of the alloy after heat treatment, the solid solubility of chromium can be determined according to the obtained magnetization curve, the mechanism of the method is simple and clear, and the copper-chromium-zirconium alloy with different degrees of solid solubility of chromium can be distinguished significantly, a feasible standard for testing the solid solubility of different elements in the copper alloy is provided, and thus the efficient development of high-performance copper alloys with high strength is facilitated.
Owner:CHINALCO DAYE COPPER PLATE & STRIP CO LTD