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24results about How to "Efficient exclusion" patented technology

Waterproof diversion blind ditch structure of diaphragm wall joint

The utility model relates to a waterproof flow guide blind ditch structure at the connecting place of diaphragm wall, it includes flow guide blind ditch main part, flow guide blind ditch main part sets up at the connecting place of diaphragm wall, is used for guiding the ground water flow, prevents the ground water and accumulates at the connecting place, the utility model discloses a flow guide blind ditch is established, effectively guides the ground water flow, prevents the ground water and accumulates at the connecting place, reduces the seepage risk, improves the overall waterproof performance of diaphragm wall, guarantees the engineering quality. The application still has the advantages such as convenient construction, low cost, can satisfy the efficient and economic demand of modern underground engineering construction.
Owner:SHANGHAI BAOYE GRP CORP +1

Solid-liquid separation device of filter residue system

The utility model provides a kind of solid-liquid separation device of filter residue system, including rack, rotary filter drum and spiral extruder, the rotary filter drum is installed in the inside of the rack, the spiral extruder is installed in the bottom of the rack, the inner wall of the rotary filter drum is equipped with spiral propeller blade, the propelling direction of the spiral propeller blade is opposite with the propelling direction of the spiral extruder, the discharge port of the rotary filter drum is located above the feed inlet of the spiral extruder, the feed inlet of the rotary filter drum is located above the tail end of the spiral extruder.The device makes rotary filter drum and spiral extruder as the hierarchical structure of upper and lower two layers install on rack, avoid because two vertical intersection setup and occupy too much three-dimensional space, while having rotary filter drum primary screening function and the depth solid-liquid separation structure of spiral extruder, still can reduce the overall space occupation of the device.
Owner:郑州世峰节能科技有限公司

Cooking equipment

The utility model discloses a cooking device, which comprises a cooking cavity and a recovery device; the recovery device is detachably connected to the outer side surface of the cooking cavity; a groove is arranged at the bottom of the cooking cavity; the shape of the groove matches the shape of a heating plate; the heating plate is clamped with the bottom of the cooking cavity through the groove; an opening is arranged at the bottom of the heating plate; the recovery device comprises a water conveying device, a water storage tank and a recovery box; the water conveying device and the water storage tank are arranged side by side; the recovery box is arranged close to the bottom of the water storage tank; a first conveying port is arranged on one side of the water conveying device; a first pipeline is arranged between the first conveying port and the opening; one end of the first pipeline is fixedly connected to the opening, and the other end of the first pipeline is detachably connected to the first conveying port; a water inlet and a water outlet are arranged on the other side of the water conveying device; the water inlet of the water conveying device is connected to the water storage tank; the water outlet of the water conveying device is connected to the recovery box. The utility model improves the internal environment of the cooking cavity.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

A high-resolution satellite image urban area shadow-removed ARD production method and device

ActiveCN121981921BHigh precisionImprove robustnessAtmospheric correctionFalse detection
The application discloses a high-resolution satellite image urban area shadow-removed ARD production method and device, and belongs to the technical field of remote sensing image processing. The method comprises the following steps: firstly, screening out images covering urban areas; performing radiation calibration on high-resolution satellite images covering urban areas to obtain apparent radiance images; based on the apparent radiance images, performing preliminary shadow detection by using a pre-trained deep learning model; using a near-infrared band of an atmospheric-corrected ground reflectivity image, performing false detection elimination on the preliminary detection result by adaptive threshold segmentation to obtain a final shadow mask; performing histogram matching processing on the shadow area based on the shadow mask on the atmospheric-corrected ground reflectivity image to realize shadow removal; and finally, outputting the shadow-removed ARD product. The application significantly improves the shadow detection precision and the quantitative reliability of the ARD product, and is suitable for large-scale ARD production of high-resolution satellite images in urban areas.
Owner:AEROSPACE INFORMATION RES INST CAS

A kind of all-weather fast recovery high viscosity crude oil fiber felt, preparation method and application thereof

The application discloses a kind of fibrous felt that can be all-weather fast recovery high viscosity crude oil, preparation method and its application.The fibrous felt includes the fibrous substrate formed by profiled cross-section fiber, and the binder layer, functional layer and hydrophobic coating sequentially loaded on its surface;Functional layer is used to generate Joule heat when energized and generate photo-thermal effect under light;The water contact angle of fibrous felt is greater than 140°.The application also provides its preparation method and application.The application integrates photo-thermal and Joule heat effect in the same felt, realizes all-weather operation ability;Use C-shaped or Y-shaped profiled cross-section fiber, accelerate the penetration and absorption of high viscosity crude oil;Through the synergistic effect of polypyrrole layer and MXene layer, the resistance is significantly reduced and the oil absorption time is shortened.The fibrous felt of the application has simple preparation process, and is suitable for all-weather oil spill recovery in complex environment such as ocean oil spill.
Owner:Hangzhou Gongshu District University of Technology Future Technology Research Institute

Power distribution network fault identification method and system based on adaptive visual view and multi-source fusion

This invention discloses a method and system for distribution network fault identification based on adaptive visual graphs and multi-source fusion. The method includes the following steps: S1: Acquire multi-source electrical analog data of the distribution network and preprocess it to obtain preprocessed multi-source signals; S2: Dynamically weight and fuse the preprocessed multi-source signals using a correlation variance contribution algorithm to obtain a fused signal; S3: Map the fused signal into a graph structure using an adaptive convergent visual graph algorithm; S4: Input the graph structure into a pre-constructed graph neural network model to obtain a global graph feature vector; S5: Input the global graph feature vector into a fully connected layer and output the fault probability distribution through a Softmax classifier. This invention constructs a feature space that can objectively characterize the essential differences between normal operating conditions and fault states in terms of physical correlation and topological structure, thereby achieving accurate identification of known faults and effective identification and elimination of unknown benign disturbances.
Owner:STATE GRID HUNAN ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST +2

A distributed power storage device

ActiveCN121416670BScientific and reasonable structureeasy to useSecondary cellsCell component detailsElectrical batteryPower grid
The application discloses a kind of distributed power energy storage devices, it is related to secondary battery technical field, including box, several hollow supports are evenly installed equidistantly in the box, several partition seats are evenly installed equidistantly in the side end surface of hollow support, cabinet is slidably installed in the top of partition seat, limit valve is embedded and installed in the bottom of cabinet side end surface, the end of limit valve is installed with spout, sliding plate is slidably installed in the inside of partition seat, the heat emitted in the process of the present application is driving force, forcibly realizes internal and external interactive heat exchange and internal circulation heat exchange, can effectively remove the heat generated in the process of device operation in time, realize the recycling of energy conversion and utilization, while realizing the efficiency of the base, improve the synchronism and high efficiency of heat exchange work, while prolonging the effective service life of battery, improve the popularization of device, flexible meet the multiple needs of user side cost reduction, power grid side stability and energy side low carbon.
Owner:ZHEJIANG BONA ENERGY DEV CO LTD

A flame-retardant, heat-insulating, waterproof and moisture-permeable fabric

ActiveCN224408664UGood moisture permeabilityImprove breathabilityFiberPolymer science
The utility model discloses a flame -retardant heat -insulation waterproof moisture -permeable fabric, including polytetrafluoroethylene moisture -permeable membrane, first flame -retardant fiber water -jet felt and second flame -retardant fiber water -jet felt, polytetrafluoroethylene moisture -permeable membrane with first flame -retardant fiber water -jet felt between, through first point shape flame -retardant adhesive and stick together, first flame -retardant fiber water -jet felt with second flame -retardant fiber water -jet felt between, through second point shape flame -retardant adhesive and stick together, wherein, second flame -retardant fiber water -jet felt has multiple pinholes of array, to increase the moisture -permeability of fabric. The utility model discloses a flame -retardant heat -insulation waterproof moisture -permeable fabric, polytetrafluoroethylene moisture -permeable membrane, first flame -retardant fiber water -jet felt and second flame -retardant fiber water -jet felt three layer materials and stick together, second flame -retardant fiber water -jet felt has multiple pinholes of array, and the whole fabric heat protection performance (TPP) is good, and the moisture -permeability is high, and has the function of moisture absorption and sweat -releasing.
Owner:BEIJING INTELLITE TECH CO LTD

Precise single-crystal corundum resin bond grinding wheel

ActiveCN224544277UEfficient exclusionreduce adverse effectsSingle crystalGrinding wheel
The utility model belongs to abrasive disc technical field especially relates to a kind of precision single-crystal corundum resin bond abrasive disc, including annular matrix, transition ring, positioning ring and mounting ring, transition ring, positioning ring and mounting ring are sequentially arranged from outside to inside at the center position of annular matrix, and the annular matrix is adhesively fixed with transition ring, the transition ring is adhesively fixed with positioning ring, the positioning ring is adhesively fixed with mounting ring;By setting chip removal groove and grinding groove, the chip generated during the grinding process of annular matrix to object can be effectively excluded, avoid the adverse effect of chip on grinding process, by setting multiple heat dissipation holes, the large amount of heat generated during the grinding process of annular matrix to object can be quickly dissipated, reduce the heating degree of the device during use, improve the service life of the device.
Owner:DALIAN FAR EAST SUPER PRECISION GRINDING TOOL CO LTD

An xgboost-based cell microdroplet identification method

ActiveCN117316296BEfficient exclusionRobust identificationData setCells/microL
The application discloses a cell microdroplet identification method based on XGBoost, and relates to the technical field of single-cell RNA sequencing, wherein step one is to search for the boundary of cells and empty droplets by using a RankMSE index and to construct a training set, and to solve the class imbalance problem in the training data by using multiple rounds of downsampling; step two is to combine the gene expression of cells and the cell quality control features calculated in advance such as cell entropy, and to use a machine learning method XGBoost to construct a cell-empty droplet binary classification model suitable for the current data; and step three is to iterate the cell-empty droplet binary classification model, add newly predicted empty droplet data to the model for retraining, and obtain an optimized prediction model. The cell microdroplet identification method based on XGBoost has the advantages that cells can be robustly identified in different data sets, and empty droplets and low-quality cells or cell fragments in the data can be effectively excluded, and the method has higher accuracy and stability compared with the prior art.
Owner:张浩

An intelligent regulation and control method for flood resourceization and water transfer in an inland river basin in an arid region

This invention discloses an intelligent water transfer and regulation method for flood resource utilization in inland river basins in arid regions. The method includes: collecting basic watershed data; constructing a flood forecasting model integrating multiple runoff generation mechanisms (rainfall, snowmelt, and glacial meltwater) for forecasting; determining flood types based on the forecast results, according to the proportion of water source contribution and meteorological and hydrological characteristics; estimating flood sediment concentration levels based on flood types and forecast results; and finally, formulating matching resource utilization decision rules based on flood types and sediment concentration levels to achieve intelligent water transfer and regulation. This invention achieves accurate simulation, type identification, and classified policy implementation for floods with complex sources in arid regions, improving the efficiency of flood resource utilization and the security of watershed water resource allocation.
Owner:XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI

A traffic network optimization method based on a weighted graph for a graph sequence problem

The application relates to the technical field of traffic network topology optimization and graph sequence technology, and particularly relates to a traffic network optimization method based on a graph sequence problem of a weighted graph, which comprises the following steps: S1: acquiring a network topology structure and a degree sequence of a target traffic network and a preset weighted graph type; S2: selecting a corresponding weighted graph solving algorithm based on the preset weighted graph type; S3: judging whether the degree sequence of the target traffic network is a graph sequence based on the weighted graph solving algorithm; if yes, executing step S4; S4: generating a weighted graph of a corresponding type based on the selected weighted graph solving algorithm and the degree sequence of the target traffic network; and S5: optimizing the network topology structure of the target traffic network based on the weighted graph of the target traffic network, and generating an optimized traffic network. The application can improve the accuracy and reliability of traffic network topology optimization.
Owner:CHONGQING JIAOTONG UNIV

An adaptive cementing mud continuous mixing device

PendingCN122077807AGuaranteed throughputwell mixedCement mixing apparatusLiquid ingredients supply apparatusThermodynamicsVertical mixing
This invention discloses an adaptive continuous mixing device for cementing mud, relating to the field of cementing equipment technology. It includes a mixing tank and a mixer. The mixing tank has a mud outlet, and a vertical mixing shaft assembly is installed inside the tank. The mixing shaft assembly is hollow, with its lower end sealed and its upper end open. The mixing shaft assembly is equipped with adaptive blades and lower-level blades that automatically adjust their diameter according to the mixing flow rate. A mud passage hole is provided at the connection between the adaptive blades and the mixing shaft assembly. The mixing shaft assembly is connected to a motor via a transmission component. The upper end of the mixing shaft assembly is connected to the lower outlet of the mixer. The mixer is equipped with an ash inlet pipe and a water inlet pipe. In this invention, the adaptive blades can automatically adjust their diameter according to the mixing flow rate. With a fixed motor speed, it has a wide range of applications and low energy consumption.
Owner:SICHUAN VOCATIONAL & TECHN COLLEGE

Non-woven font pasting equipment for advertising lamp box

ActiveCN224277924UEfficient exclusionfit tightlyLabelling machinesSlide plateNonwoven fabric
The utility model discloses non-woven fabric font pasting equipment for an advertising lamp box, which comprises a pasting device, and the inner wall of the pasting device is symmetrically connected with clamping devices in a sliding manner; the font pasting device comprises a handheld plate, the font pasting device and the clamping device can effectively eliminate bubbles generated in the pasting process through the combination mode that the surface is flattened through a scraping plate and a film pasting roller conducts rolling and pressing pasting, and the elastic buffering and reset extrusion functions of an extension spring are matched, so that the font pasting efficiency is improved, and the font pasting quality is improved. By adjusting the threaded rod to drive the L-shaped clamping plate to be matched with the pulley block, the equipment can be quickly positioned and clamped on the lamp box, character deviation in the pasting process is avoided, meanwhile, the two-way threaded rod is matched to drive the sliding plate to adjust the distance between the sleeves, the film pasting rollers are detachable and replaceable, the film pasting rollers of different specifications can be replaced, and different lamp box sizes can be quickly adapted.
Owner:TIANTAI TIANYU OPTOELECTRONIC CO LTD

An information data operation processing system based on a secure isolation gateway

The application discloses an information data operation processing system based on a security isolation gateway, and relates to the technical field of data communication.The system comprises a security isolation gateway, a global side subsystem and N participant side subsystems, wherein N is a positive integer; the security isolation gateway is connected between the global side subsystem and each participant side subsystem and is configured to establish a controlled one-way data transfer channel between the two; the global side subsystem comprises a global coordination module, a trusted verification module and a security aggregation module; and each participant side subsystem comprises a trusted execution module.The application solves the technical problem that the privacy protection of the existing information data processing process depends on a complex cryptography protocol, is inefficient and is difficult to exclude malicious or low-quality updates, and affects the security and efficiency of cross-domain information processing, and achieves the technical effects of simplifying privacy protection, efficiently excluding malicious updates and improving the security and efficiency of cross-domain information processing by using the security isolation gateway.
Owner:TIANJIN XINSHITONG TECHNOLOGY CO LTD

UHPC concrete trench cover plate and preparation method thereof

The application discloses a UHPC concrete ditch cover plate and a preparation method thereof, and relates to the technical field of concrete ditch cover plates. The UHPC concrete ditch cover plate is prepared from the following raw materials in parts by mass: cement 350-380 parts, composite aggregate 450-470 parts, active mineral admixture 120-140 parts, composite fiber 8-12 parts, core-shell particle 3-5 parts, carbon nanotube dispersion liquid 0.5-1.5 parts, UHPC special polycarboxylic acid water reducing agent 5-8 parts, viscosity stabilizer 0.5-1.5 parts and water 130-145 parts. In the application, silica ash, S95 grade mineral powder and first-grade fly ash are compounded according to specific proportions to serve as the active mineral admixture, a cementing system with gradient hydration and microstructure optimization is constructed, the matrix has ultralow porosity and high toughness, meanwhile, the spherical micro-fine quartz sand and the broken basalt mechanism sand are compounded to serve as the composite aggregate, the viscosity of the mixture is reduced, the forming fluidity is improved, the bonding strength of the interface between the aggregate and the slurry is improved, and the interface is prevented from becoming a weak link.
Owner:SICHUAN QIHUI NEW MATERIALS CO LTD

Method for detecting methyl tert-butyl ether content in soil

The application belongs to the technical field of environmental monitoring and analytical chemistry, and discloses a detection method for the content of methyl tert-butyl ether in soil. The method uses surface functionalized mesoporous silica adsorbent for solid phase extraction, combines ultrasonic assisted extraction with gas chromatography-mass spectrometry analysis, the adsorbent has a pore size of 2.5-4.0 nm, and a surface grafted with bifunctional ligands containing tertiary amine groups and short chain alkyl groups, and has high selectivity and adsorption capacity for methyl tert-butyl ether; the mass spectrometry detection adopts double ion confirmation and intensity ratio criterion, effectively eliminating the interference of structural analogues. Through the design of special adsorption materials, the optimization of the pretreatment process and the construction of the mass spectrometry confirmation logic, the application realizes high sensitivity, high selectivity and high reproducibility detection of trace methyl tert-butyl ether, and can be widely applied to industrial pollution site investigation, farmland soil safety evaluation, groundwater pollution tracing and emergency monitoring of environmental incidents.
Owner:天津市地质矿产测试中心

Single-phase intelligent electric energy meter with double-source clock maintaining function

The present application relates to the technical field of intelligent electric energy meter, in particular to a single-phase intelligent electric energy meter with double-source clock maintaining function, which comprises a main shell, a sealing cover, a backup battery, an internal PCBA and an RTC module, the main shell is provided with a battery accommodating cavity recessed inward, the battery accommodating cavity is provided with a conductive spring, the battery accommodating cavity is provided with a labyrinth water-blocking annular groove, and the battery accommodating cavity is provided with a capillary flow guiding micro groove; the middle part of the conductive spring is provided with a pressure relief bending arm, the conductive spring is branched into a plurality of finger-shaped cantilever arms; the contact surface of each finger-shaped cantilever arm is provided with a micro boss; and the conductive spring is provided with a variable cross-section drainage section with gradually reduced width. The capillary flow guiding micro groove is introduced into the battery compartment to dehumidify the structure, and the multi-frequency anti-vibration conductive spring with S-shaped pressure relief arm and micro boss is used to maintain electrical connection; the rusting condition is destroyed and the risk of disconnection is eliminated, the reliability of battery power supply is ensured, and continuous and accurate metering of electric energy meter data is realized.
Owner:NANJING SIYU ELECTRIC TECH CO LTD

A front-end pipeline layout structure for online discharge of brine mud from raw brine tanks

This utility model discloses a front-end pipeline arrangement structure for online sludge removal from raw brine tanks, belonging to the field of heat pump salt production technology. Its features include: a raw brine tank body, sludge removal pipes, and auxiliary pipes connected to the sludge removal pipes at the front end; at least two sludge removal pipes and a corresponding number of auxiliary pipes form a sludge removal pipe group. The sludge removal pipes and auxiliary pipes of the sludge removal pipe group penetrate the tank wall from the outside of the raw brine tank body and form a Y-shaped distribution on the inside of the raw brine tank body. The sludge removal pipe groups are evenly distributed circumferentially on the raw brine tank body, and the inner openings of all the sludge removal pipes of the sludge removal pipe groups are evenly distributed circumferentially on the inside of the raw brine tank body. This front-end pipeline arrangement structure exhibits excellent performance in terms of structural rationality, sludge removal effect, system maintainability, and operational safety, and is a key technical support for achieving efficient online sludge removal from raw brine tanks.
Owner:SHANDONG FEICHENG HAIJING SALT CHEM CO LTD

Method and apparatus for characterizing seismic geology of coal bed methane reservoirs with external water supply

ActiveCN121878802BEfficient exclusionGuaranteed gas productionSeismic signal processingSoil scienceWater production
The application discloses a kind of coalbed gas reservoir exogenous water transmissive supply seismic geology's characterization method and equipment, it is related to coalbed gas development field, the method includes: using the poststack seismic data of research area to invert the aquifer thickness and aquifer proportion of research area;Based on OVT seismic data, the fracture density of research area is predicted;Equivalent conversion water level of research area is calculated;Further, the average water production of per 100m liquid level drop of research area is determined by the way of multiple regression analysis.The application considers static elements such as aquifer thickness, aquifer proportion, fracture density, and further considers dynamic elements such as equivalent conversion water level, determines exogenous water transmissive supply by multiple regression analysis, i.e.the average water production of per 100m liquid level drop, which can effectively exclude the water production of coalbed gas well caused by exogenous water, form effective pressure relief surface, and further ensure gas production, provide protection and technical support for high and stable production of coalbed gas well.
Owner:SHANXI SHANDI GEOPHYSICAL SURVEY TECH CO LTD

An AI vision-based static electricity release behavior monitoring method

This invention relates to an AI vision-based method for monitoring static electricity release behavior. It solves the technical problem of lacking a method for monitoring whether static electricity is being released and whether the release behavior is standardized in industrial safety production. The method includes the following steps: 1) Initializing parameters and starting the algorithm service; 2) Acquiring scene images; 3) Sending the scene images to the algorithm detector for detection; 4) Deleting personnel data information not in the static electricity release area; 5) Obtaining tracking numbers; 6) Binding hand detection boxes to corresponding human body detection boxes; 7) Performing minimum pixel filtering; 8) Determining whether the remaining personnel are entering or leaving the workshop; 9) Obtaining the determination result of whether the remaining personnel are releasing static electricity; 10) Obtaining the determination result of whether the remaining personnel have completed releasing static electricity; 11) Obtaining the determination result of whether the remaining personnel have left the static electricity release area; 12) Determining whether an alarm is triggered; 13) Repeating steps 2) to 12) until the monitoring period ends.
Owner:XIAN XIANGXUN TECH

hot-dip galvanized guardrail lifting device

This application discloses a hot-dip galvanizing lifting device for guardrails, including a lifting assembly, multiple traction ropes, multiple swing assemblies, and multiple clamping assemblies. The clamping assemblies are connected to the swing assemblies, and are connected to the lifting assembly via the traction ropes. Each swing assembly includes a base, a rotating shaft, and a swing drive mechanism. The rotating shaft is rotatably connected to the base, and the swing drive mechanism is housed within the base and connected to the rotating shaft. Each clamping assembly includes a support seat, a lifting mechanism, a bearing seat, and a clamping mechanism. The support seat is fixedly connected to the rotating shaft via a connecting frame. The lifting mechanism is mounted on the support seat, the bearing seat is fixedly connected to the movable end of the lifting mechanism, and the clamping mechanism is pivotally connected to the bearing seat. This effectively improves the stability of the guardrail during lifting and the efficiency of hot-dip galvanizing. It also effectively removes residual impurities and bubbles from the guardrail surface, thus ensuring a tight bond between the zinc layer and the substrate and improving the protective performance of the guardrail.
Owner:SHANDONG GUANXIAN HENGLIANG PIPE IND CO LTD

A model design method for efficiently manufacturing a dental implant

PendingCN122221332AResolve accuracy fluctuationsAvoid geometric driftGeometric CADImage enhancement
The application relates to the technical field of oral prosthetics, and discloses a model design method for efficiently manufacturing an implant tooth, which comprises the following steps: firstly, collecting an original point cloud containing a scanning rod feature and performing six-degree-of-freedom vector pose analysis; then, establishing a four-dimensional space-time contraction tensor field model based on material solidification dynamics, and performing nonlinear topological pre-compensation on a personalized abutment mating surface. A functionally gradient point lattice structure is constructed on an interface and is subjected to manifold Boolean fusion to generate an integrated digital twin model data. A photon energy density mapping matrix is used to drive a partition forming of an additive manufacturing equipment, and by adjusting local polymerization energy, the differential elastic modulus distribution of a replacement body and a base part is realized. The scheme eliminates the reset deviation of the metal replacement body, uses an algorithm to counteract physical shrinkage and release internal stress, and significantly improves the integrated forming precision and mechanical stability of the implant model.
Owner:CHONGQING XINLEMEI MEDICAL TECHNOLOGY CO LTD