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652results about How to "Easy to manage" patented technology

Charging pile fault-oriented vehicle charging dynamic scheduling method and system

The invention belongs to the related technical field of vehicle charging scheduling, and provides a vehicle charging dynamic scheduling method and system for a charging pile fault in order to solve the problem that a charging device cannot respond in time after a fault occurs, and the method comprises the following steps: monitoring the operation state of each charging pile in the execution of an initial charging scheduling scheme in real time; identifying a target vehicle set influenced by the charging pile fault; calculating an emergency priority score of each target vehicle according to the residual electric quantity and the planned departure time of the target vehicle; constructing a dynamic resource profile of the available charging pile based on the residual available power of the available charging pile, and screening a feasible candidate pile set; and according to the vehicle priority queue, reallocating available charging piles to each target vehicle in sequence by taking the minimum cost as a target, and generating a rescheduling scheme. According to the invention, charging of the vehicle at the valley point of the electricity price can be guaranteed to the greatest extent, and the reliability, economy and adaptive capability of charging are remarkably improved.
Owner:SHANDONG UNIV

Method, device and system for controlling train operation through near-far field communication cooperation and self-discipline dispersion

PendingCN121849210Aachieve autonomous operationGuaranteed uptimeRailway traffic control systemsControl systemTrackway
The invention discloses a near-far field communication cooperation and self-discipline decentralized train operation control method, device and system, and belongs to the field of rail transit, near-field communication and middle-far field communication are used for providing train-to-ground, ground-to-train and train data transmission channels, all the transmission channels are fused and work cooperatively, the advantages of two communication modes are reserved, mutual cooperation and redundancy are achieved, and the reliability of the system is improved. According to the invention, trackside equipment is simplified, fine management of track resources is realized, mobile block or virtual coupling is realized, a backup mode for automatic block control can be provided, multiple redundancy of key functions such as train positioning, train position tracking and train-ground communication is improved, intelligent control functions such as automatic driving are easy to realize, and the environment adaptability is strong; train operation control of different rail systems is supported, and reliable, efficient and economical train operation control can be achieved; and meanwhile, a self-discipline decentralized control idea is adopted, global efficient planning operation of the center is utilized, and small-range adjustment of stations and individual trains is utilized, so that efficient operation of the train control system is realized.
Owner:陈建明

Anti-inclination scaffold

ActiveCN224092935UNo rotation occursAvoid unpluggingBuilding material handlingScaffold accessoriesSteel frameCross bracing
The utility model discloses an anti-tilt scaffold which comprises a steel frame and two crossed supporting rods arranged on the two sides of the steel frame, the outer sides of the four corners are respectively provided with a pair of fixing pieces, an inner rod is arranged between the fixing pieces, a plurality of limiting holes are formed in the inner rod, a sleeve rod is arranged on the outer side of the inner rod, and the sleeve rod is connected with the steel frame. An adjusting knob is arranged on the sleeve rod, through holes are formed in the two sides of the lower portion of the sleeve rod respectively, an inserting rod is arranged at the bottom of the sleeve rod, a spring is arranged on the outer side of the inserting rod, a base is arranged at the bottom of the inserting rod, rotating pieces are arranged on the two sides of the base respectively, and a bottom plate is arranged below the rotating pieces. According to the scaffold, the two sides of the steel frame can be supported, the steel frame is prevented from inclining towards the two sides, the safety risk of workers is reduced, and through friction between the inserting rods and the sleeve rods and the buffering effect of the springs, shaking of the scaffold can be reduced, and the scaffold is stabilized.
Owner:JIANGSU XIANGFEI CONSTR MASCH CO LTD

PDF (Portable Document Format) document structured analysis method based on weighted overlap ratio

The invention discloses a PDF (Portable Document Format) document structured analysis method based on weighted overlap ratio, which comprises the following steps of: performing layout analysis, standardization and sorting processing on an original PDF document to obtain a layout frame of the original PDF document and a corresponding category label data set; carrying out content object extraction on the original PDF document and constructing to obtain a content object box set of the original PDF document; based on a weighted coincidence degree scoring method, obtaining an optimal attribution layout of the original PDF document content object, and identifying an abnormal scene; based on a configurable rule engine, performing cross validation and deviation correction on the layout frame and the content object frame, and dynamically updating the layout-document content object tree; and based on the dynamically updated layout-document content object tree, outputting an analysis result, and converting and storing the analysis result. According to the method, the problems of inaccurate layout identification, wrong content classification, document content missing and the like are solved, and high-precision, high-robustness and high-flexibility structured analysis of the complex PDF document is realized.
Owner:IOL WUHAN INFORMATION TECH CO LTD

An overhead agricultural three-dimensional irrigation system

ActiveCN224597198Ucausing trampling injuriescause other harm
The utility model relates to overhead agricultural three -dimensional irrigation system can effectively solve the prior art will step on a lot of crops, and still cost time, the method of laying drip irrigation can only be used once a year, cannot be used repeatedly, cause the problem of cost rise and resource waste, its solution technical scheme is that the main pipeline is buried in the field plot long side underground, and the plot long side is provided with a plurality of rows of corresponding support frames every interval distance, the main pipeline is communicated with a plurality of support pipelines, a plurality of support pipelines are communicated with a plurality of rows of corresponding branch pipelines on the top of support frame, the branch pipeline peripheral wall is evenly provided with a plurality of water outlets or sprayers, the main pipeline is provided with a total valve, every branch pipeline is provided with a first branch valve, and the support pipeline is provided with a second branch valve, the utility model is built once, can be used for many years repeatedly, and will not cause the bruise and other harm of crops, not only has facilitated the cultivation, but also has improved the irrigation efficiency, has saved the water resource, manpower resource.
Owner:王琦

Ore crushing and grinding process capable of preventing over-grinding of easily-argillized ore

PendingCN121797470AWidely used valuesimple processGrain treatmentsMining engineeringSlurry
The invention discloses an anti-over-grinding crushing and grinding process for easy-to-argillization ore, which mainly comprises the following steps of: crushing raw ore and transferring the crushed raw ore into a surge bin; ore in the surge bin is transferred to a first double-layer vibrating screen for wet type pre-screening, oversize and intermediate products enter the semi-autogenous mill, and undersize products are pumped to the ore discharge end of the semi-autogenous mill. Ore discharged by the semi-autogenous mill and undersize products enter a second double-layer vibrating screen to be classified, oversize products are subjected to hard rock crushing and then return to an ore feeding belt of the semi-autogenous mill, intermediate products enter a lattice type ball mill, and ore grinding products and undersize products of the second double-layer vibrating screen are combined and pumped into a cyclone to be classified. And underflow of the cyclone is classified by a high-frequency sieve, oversize return to a ball mill for regrinding, and overflow and undersize products of the high-frequency sieve are combined into finished ore pulp to be fed into a sorting process. The process flow is simple, one-stage crushing and ore washing and screening before grinding are adopted, and forced discharging equipment such as a semi-autogenous mill is matched, so that over-grinding can be effectively prevented, and the ore grinding energy consumption is reduced.
Owner:CITIC HEAVY INDUSTRIES CO LTD

Urban resident lifestyle identification method based on Wi-Fi handshake data

The invention relates to the technical field of mobile communication, in particular to an urban resident lifestyle identification method based on Wi-Fi handshake data. Wi-Fi handshake data of the mobile terminal are collected; based on the Wi-Fi handshake data, identifying visit events of an individual at different points of interest (POI), and forming a continuous visit sequence according to a time sequence; compressing the visited sequence, and extracting a long-term repeated high-frequency sequence mode; calculating the similarity between the users based on a high-frequency sequence mode, and obtaining a user group cluster with similar lifestyles through clustering; and performing feature analysis on each user group cluster, extracting a core visit sequence, and generating a lifestyle group portrait. Through the technical combination of Wi-Fi handshake data acquisition, sequence compression clustering and sample representativeness correction, comprehensive optimization of urban resident lifestyle identification on coverage integrity, result accuracy, implementation efficiency and cost control is realized, and high-quality data support is provided for urban related decisions.
Owner:SHENZHEN UNIV

A real-time detection device for a slit of a continuous casting billet

The present application relates to continuous casting billet slit detection technical field, specifically to a kind of continuous casting billet slit real-time detection device, including rack, the rack is rotatably connected with multiple conveying rollers by roller shaft, the top of the rack is fixedly connected with fixed frame, and the fixed frame is equipped with detection mechanism;Lift base, mounting plate and stepped insert by rack drive, when stepped insert is contacted with slit, stepped insert no longer moves downward, until pressure sensor reaches the threshold value set, signal is transmitted to system by pressure sensor, and second motor is closed by system control, so that the transmission of tooth column and rack is stopped, then the width of slit is judged according to the depth of stepped insert insertion, if width is less than the threshold value set, it is determined that normal value, if width is greater than the threshold value set, it is determined that replacement value, if width is in threshold range, it is determined that warning value, then according to actual measurement situation, timely early warning, method is simple, management is convenient.
Owner:JIANGSU SHAGANG STEEL CO LTD +2

A power strip and adapter, associated electrical components, and electric vehicles

This invention discloses a plug-in board and adapter, associated electrical components, and an electric vehicle. The plug-in board includes an MCU circuit I, an adapter communication circuit, and a controller circuit. Some models also include a BMS battery management circuit, a vehicle electrical and electronic fuse circuit, a taillight control circuit, a communication line starting power supply circuit, a human-machine interaction circuit, and a battery communication circuit. The plug-in board is soldered to the controller's PCB circuit board via pins, or connected to the pins on the controller's PCB board via a socket. The plug-in board and the controller are housed in a single housing, saving space, material costs, and labor costs. The original controller's MCU chip can be improved to enhance controller performance and enable the application of bus control systems without modification, greatly simplifying the wiring harness and connectors throughout the vehicle.
Owner:天津九九电子有限公司

Cooperative control system for regional power grid

The embodiment of the invention provides a cooperative control system for a regional power grid. The regional power grid comprises a new energy electric field, a control center and n monitoring points. The cooperative control system provided by the embodiment of the invention is used for solving the problems of complex harmonic pollution, low efficiency of energy routing and other characteristics of the regional power transmission grid after the new energy is accessed to the power grid in a high proportion. The cooperative control system comprises a cooperative scheduling center and n cooperative scheduling groups in communication connection with the cooperative scheduling center, each monitoring point is connected to one cooperative scheduling group, the cooperative scheduling center is in communication connection with the control center, and each cooperative scheduling group comprises an energy router and a distributed power flow controller. The distributed power flow controller and the energy router are connected with the monitoring point. According to the cooperative control system provided by the embodiment of the invention, based on the cooperative control strategy of the energy router and the distributed power flow controller, harmonic waves in the power grid can be better treated, and the stability of the power grid is improved.
Owner:STATE GRID JIANGSU ECONOMIC RES INST

Full-automatic intelligent moxibustion cabin with smoke purification function

The invention belongs to the technical field of moxibustion cabins, and discloses a full-automatic intelligent moxibustion cabin with a smoke purifying function, which comprises a moxibustion cabin body, a box body is fixedly mounted in the moxibustion cabin body, a supporting round block is fixedly mounted at the top of the box body, a threaded sleeve I is fixedly mounted at the bottom of the supporting round block, and a smoke purifying device is fixedly mounted at the bottom of the threaded sleeve I; a first threaded rod is movably mounted in the first threaded sleeve. Compared with a traditional moxibustion cabin, the moxibustion cabin has the advantages that the first teeth and the second teeth are matched, the height of the moxibustion box and the height of the moxibustion plate can be reasonably adjusted according to the internal temperature of the moxibustion cabin body, in this way, it can be ensured that the moxibustion temperature is appropriate, and irritation or discomfort caused by too high or too low temperature to the skin is avoided; by accurately adjusting the heights of the moxibustion box and the moxibustion plate, the moxibustion device can be better aligned to acupuncture points or treatment parts, the treatment effect is improved, and meanwhile the moxibustion box and the moxibustion plate can be flexibly adjusted in a matched mode.
Owner:HAINAN JIGANG HUANYU INVESTMENT CO LTD

Hierarchical cryptographic service platform and service method fusing qkd technology

This invention discloses a hierarchical cryptographic service platform and method integrating QKD technology. The hierarchical cryptographic service platform includes a cryptographic service platform and at least one level of sub-cryptographic service platforms. At least one level of QKD network is built around the cryptographic service platform. Each level of the QKD network accesses an application system and / or connects to the corresponding level of the sub-cryptographic service platform. In this invention, the QKD network is built around the cryptographic service platform, which means that the QKD network can be built specifically according to application needs, giving full play to the ability of the cryptographic service platform to provide services for business applications. It is also easy to adapt and tailor according to business needs, and can be expanded on demand.
Owner:QUANTUMCTEK CO LTD +1

Numerical control punching machine for connecting copper bars

ActiveCN224222470URealize centralized collectionAvoid random scatteringMetal-working feeding devicesStripping-off devicesNumerical controlPunching
The utility model discloses a connecting copper bar numerical control punching machine which comprises a working table, two sets of translation mechanisms and punching mechanisms, the translation mechanisms are installed at the top of the working table, the punching mechanisms are installed at the two moving ends of the translation mechanisms, a copper bar is arranged at the top of the working table, and the copper bar is arranged on the working table. Two clamping assemblies used for positioning a copper bar to be punched are arranged at the top of the workbench, a discharging groove is formed in the top of the workbench, and a collecting box is detachably installed at the bottom of the workbench, so that waste generated in the copper bar punching process can directly fall into the collecting box through the discharging groove; by means of the design, centralized collection of waste materials is achieved, the waste materials are prevented from scattering around equipment at will, the environmental sanitation of a production site is greatly improved, a workshop is neater and more orderly, management of the production site and activities of operators are facilitated, the cleanliness and safety of the production site are effectively improved, and convenience is brought to management of the production site.
Owner:DONGGUANSHI CHENGLIN ELECTRONICS CO LTD

A marine main engine auxiliary machine oil injector rack

The utility model discloses a kind of marine main auxiliary machine oil sprayer shelves, it is related to main auxiliary machine oil sprayer technical field, including mounting frame, multiple movable plate components are vertically and uniformly spaced on the mounting frame;Multiple movable plate components lower surface uniformly spaced multiple clamping barrels are provided, movable plate component upper surface is symmetrically provided with two slide plate components on the both sides of clamping barrel;Multiple spring clamping plate components are uniformly rotated and are provided in the inside of multiple clamping barrels around axis;The slide plate component lower surface is provided with presser plate component, and the slide plate component upper surface is provided with presser plate adjusting rod;The spring clamping plate component includes clamping plate;Clamping spring is fixedly connected with the clamping plate bottom end close to clamping barrel side, and rubber pad is fixedly connected with the clamping plate bottom end other side.The utility model, by the above structure, can clamp and fix different specifications, size oil sprayer, ensure that oil sprayer is safe, convenient to store, management, and obliquely arranged mounting plate, can be convenient for access oil sprayer.
Owner:CHENGXI SHIPYARD

A project budget management method and device

ActiveCN121052785BSolving the budget response lag problemDynamic managementBiological modelsOffice automationKnowledge graphAttention network
The application provides a project budget management method and device, relates to the technical field of budget management, and solves the technical problems of existing project budget management technology, such as static, budget response not timely, and lack of compliance traceability. The method specifically comprises the following steps: obtaining first information of a project; integrating project basic information into a project main node, integrating budget subject information into a budget subject node, integrating budget template information into a project edge between nodes, and constructing a knowledge graph; converting the project main node and the budget subject node into low-dimensional vectors through semantic embedding, generating a weight vector through relationship embedding of the project edge, and forming GNN model input data; iteratively training the GNN model input data by using a heterogeneous graph attention network architecture; predicting the knowledge graph with changed project basic information by using a trained model, outputting budget adjustment parameters, and updating the knowledge graph to complete project budget management. The application is used for project budget management.
Owner:ANHUI DINGXIN PROJECT MANAGEMENT LTD BY SHARE LTD

An automated bookmark production line and manufacturing process

This invention relates to the field of automated bookmark production line technology, and more particularly to an automated bookmark production line and production process, comprising: a first conveying device adapted to convey bookmark boards; a second conveying device adapted to convey bookmark sleeves with bookmark boxes inserted; an engraving device adapted to engrave patterns and identification codes on the bookmark boards and bookmark sleeves; a tassel-threading device adapted to thread tassels onto the bookmark boards; a boxing device placing the tassel-threaded bookmark boards into bookmark boxes; a box-inserting device inserting the bookmark boxes containing the bookmark boards into the bookmark sleeves, and transferring the bookmark sleeves with bookmark boxes inserted to the second conveying device; a feeding device transferring the bookmark boards to the first conveying device, and transferring the bookmark boxes and bookmark sleeves to the box-inserting device; and a unloading device sorting and unloading the bookmark sleeves with bookmark boxes inserted. The steps of feeding, threading tassels, engraving patterns, box-inserting, and unloading the bookmarks are all automated, significantly improving efficiency and reducing manual labor, while facilitating monitoring and management of the entire process, thus achieving intelligent production.
Owner:CHANGZHOU UNIV

A modular portable fatty alcohol synthesis reactor

PendingCN122558393AImplement modular layouteasy to manage
This invention relates to the field of fatty alcohol synthesis, and more particularly to a modular portable fatty alcohol synthesis reaction apparatus, comprising a housing and several wheels, doors, a synthesis module, cylinders, and rods connected to the housing. Several doors are rotatably connected to the housing; the synthesis module is connected to the inner side of the housing; several cylinders are fixed to one side of the housing, with their inner surfaces serving as friction surfaces; several rods are connected to the other side of the housing, with their outer surfaces serving as friction surfaces; the cylinders engage with their corresponding rods; the engagement of the cylinders and rods positions and limits the housing, ensuring stable alignment of adjacent housings, achieving modular arrangement, facilitating management, avoiding the difficulty of manual alignment, and also buffering the inertial kinetic energy of the housing, preventing impacts due to excessive inertia and reducing the risk of equipment damage.
Owner:GUANGZHOU LONGQI TECHNOLOGY DEVELOPMENT CO LTD

Soilless planting equipment

The utility model relates to the technical field of agricultural planting, in particular to soilless planting equipment. The water storage barrel is arranged in an open shape, a barrel cover is arranged at the opening of the water storage barrel, a center hole is formed in the barrel cover, a box body is arranged in the middle of the upper end of the barrel cover, the lower end face of the box body abuts against the surface, around the center hole, of the barrel cover, a top cover is arranged on the upper end face of the box body, and a plurality of water inlet holes are formed in the top cover; a supporting plate is arranged at a center hole of the barrel cover and fixedly connected with the barrel cover, an electric water pump is arranged in the water storage barrel and communicated with a water inlet pipe and a water outlet pipe, and the water outlet pipe sequentially penetrates through the supporting plate and the top cover and extends out of the top cover. A plurality of planting grooves extending outwards are formed in the box body. According to the technical scheme, the problems that large-scale production cannot be achieved, the soilless planting cost is high, and the daily maintenance cost is high are solved.
Owner:KUNSHAN ZHONGJIE TECH CO LTD

Method and device for treating wastewater by combining a suspended filler floating bed with a soil infiltration system

The application provides a method and device for treating wastewater by combining a suspended filler floating bed and a soil infiltration system, and the method comprises the following steps: S1, breeding wastewater is treated by the suspended filler floating bed after passing through a hydrolysis tank, and effluent is treated in a sedimentation tank, and wastewater of the suspended filler floating bed is returned to the suspended filler floating bed for secondary treatment; S2, wastewater of the sedimentation tank is returned to the hydrolysis tank; and S3, effluent of the sedimentation tank is introduced into a soil underground infiltration system. The system provided by the application is beneficial to further strengthening the effects of denitrification, phosphorus removal and removal of suspended solids, and solves the problems of low dissolved oxygen content of influent and wastewater in the system, which is not conducive to the growth of nitrifying bacteria, and low effective volume utilization rate. In the use process, the filler does not need to be replaced, and mechanical aeration equipment does not need to be added, and the system has the advantages of low investment cost, no need to add chemical agents for treatment, obvious effect, not easy to breed mosquitoes, simple operation and management, and beautification of the environment, and has remarkable ecological and economic benefits for promoting deep purification of breeding wastewater.
Owner:BEIJING DABEINONG TECHNOLOGY GROUP CO LTD +1

Fire rescue communication backpack

The utility model belongs to the technical field of fire rescue equipment, and particularly relates to a fire rescue communication knapsack which comprises a knapsack body, the knapsack body is divided into a plurality of storage areas including a top bin and a front bin, and the top bin is located on the upper portion of the knapsack body, serves as an unmanned aerial vehicle storage area and is used for storing an unmanned aerial vehicle and unmanned aerial vehicle related accessories; the front bin is located in the front of the backpack body. The front bin is divided into a front bin middle area and front bin two-side areas; the middle area of the front bin is divided into an upper area and a lower area, and the upper area serves as a deploy and control ball storage area and is used for storing deploy and control balls and related accessories of the deploy and control balls; the lower area serves as an individual soldier equipment storage area and is used for storing individual soldier equipment and related accessories of the individual soldier equipment; the areas on the two sides of the front bin are used as sundry storage areas. The fire rescue communication backpack is compact in structure and convenient to carry, and the action efficiency of rescue workers can be effectively improved; various fire rescue communication devices can be stored in a centralized mode, and management and use are convenient.
Owner:四会市消防救援大队(四会市消防救援局)

An automated tire storage system and method for truck cranes

This invention discloses an automated tire warehousing system and method for truck cranes, belonging to the field of intelligent manufacturing and logistics automation technology. The system integrates a WMS (Wastewater Management System), MES (Manufacturing Execution System), a central control scheduling system, AGVs (Automated Guided Vehicles), a gantry robot, and a dual-mode vision system. The method is as follows: the MES issues orders, and the central control system breaks down tasks; the WMS schedules AGVs to return empty pallets and deliver tires to the production line; the gantry robot uses 2D vision to scan the tire's QR code for identity verification; if the verification is correct, the tire enters assembly; otherwise, it is returned and reassembled; after assembly, the central control system triggers the warehousing task, the WMS dynamically allocates the optimal storage location, the AGV transports the tire to the temporary storage area, and the gantry robot, guided by 3D vision, accurately grasps and places the tire into the storage location; the WMS updates the inventory. This invention achieves full-process automation and information closure of tires from production line to warehousing, significantly improving efficiency, accuracy, and warehouse utilization, while reducing costs and safety risks.
Owner:XUZHOU HEAVY MASCH CO LTD

A management platform based on Internet of Things (IoT) system integration

ActiveCN119728729BRealize centralized managementeasy to controlTransmissionInstruments
This invention relates to the field of IoT management platform technology, specifically to a management platform based on IoT system integration. It enables centralized management and control of various devices and sensors, improving device utilization and management efficiency. It provides a unified interface for user convenience and management, reducing the difficulty of use. By processing and analyzing data generated by devices and sensors, useful information is extracted to support decision-making. It provides security protection for connected devices and sensors, improving system security and reliability. Furthermore, in signal transmission, this invention uses a signal transmission stabilization auxiliary component on the side of the signal interface of the signal transceiver to work in conjunction with the connector plug, preventing loosening of the connection due to dragging or touching, ensuring connection stability, and thus guaranteeing the overall stable operation of the management platform.
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV

Adjustable agricultural planting frame

The utility model relates to a planting frame technical field, concretely is a kind of adjustable agricultural planting frame, including recovery base, recovery base is provided with driving motor, the both sides of recovery base are provided with support rod, cross support frame is provided between two support rods, the lower end surface of cross support frame is provided with second driving motor;The output of driving motor and the output of second driving motor are all connected with connecting rod, the surface of two connecting rods is all slidably provided with support ring, and a plurality of suspender is distributed on the surface of support ring, the lower end surface of suspender is provided with planting tray, the utility model not only can carry out corresponding height and position adjustment according to planting requirement, but also can recycle irrigation water source, improve the utilization of water resources.
Owner:GULANG HORTICULTURAL TECHN WORKING STATION

Inhibitor of prostate specific membrane antigen and pharmaceutical use thereof

An inhibitor of a prostate specific membrane antigen and a pharmaceutical use thereof. Specifically, the present solution belongs to the field of radiopharmaceuticals and relates to a compound represented by formula (IV) or a pharmaceutically acceptable salt thereof.
Owner:TIANJIN HENGRUI MEDICINE CO LTD +1

A fluid identification method and system using water-saturated hydrogen index contrast

The application discloses a kind of fluid identification method and system of water-saturated hydrogen index contrast method, calculate reservoir matrix porosity;Electric imaging and double lateral data are combined to calculate rock fracture porosity, and sum matrix porosity to total porosity;Assume that bedrock reservoir pore is water-saturated, select the dynamic skeleton neutron value of the dense layer section of lowest porosity, high resistivity dynamic skeleton as fixed skeleton value, calculate the dynamic skeleton neutron value of the purpose layer in combination with total porosity;According to dynamic skeleton neutron value, calculate water-saturated hydrogen index of research interval;Water-saturated hydrogen index is compared with neutron actual logging value to calculate neutron difference value;In combination with gas production test data, the relationship between acoustic time difference and neutron difference value and the change relationship between matrix porosity and neutron difference value are analyzed using neutron difference value, and the relationship chart of quantitative identification gas-water layer is obtained.The method eliminates the influence of anisotropy, fracture occurrence and the like of bedrock lithology, highlights the characteristics of reservoir gas layer, and can more accurately identify the properties of reservoir fluid.
Owner:PETROCHINA CO LTD +1

A lodging prevention and planting device for forage grass on slopes

PendingCN122074320Aeasy to manageImprove lodging resistancePlant supportsAgricultural engineeringEdaphic
This invention provides a lodging prevention and planting device for forage grasses on slopes, relating to the field of forage grass planting technology. The device includes multiple lodging prevention structures arranged along the slope direction. Each lodging prevention structure includes a horizontal frame and multiple evenly distributed planting protection mechanisms. Each planting protection mechanism includes a base plate, a central support component, and two outer ring protection components. The central support component can be screwed into the slope soil, and its top extends to the base plate and connects to the two outer ring protection components. One end of each outer ring protection component is rotatably connected to the base plate, and the other end can be joined to form a planting ring, which is fitted onto the outside of the forage grass stem. By screwing the central support component, it is fixed to the soil while simultaneously driving the two outer ring protection components to open and close synchronously, achieving the closure of the planting ring and supporting the plant. This invention adapts to slope terrain, is stably installed, effectively prevents forage grasses from lodging, provides continuous dynamic support, and promotes healthy growth of forage grasses on slopes.
Owner:天水市畜牧技术推广站

A socio-economic-ecological system water resource demand calculation and optimal allocation method and system

PendingCN122596484Aeasy to manageAccurate configuration
The present application belongs to the technical field of water resource measurement and management, and discloses a social economy-ecosystem water resource demand measurement and optimal allocation method and system, aiming to solve the problems of insufficient accuracy, weak dynamic response capability and lack of fine adaptation framework in existing water resource demand measurement. The present application builds a basic database covering historical basis and SSP-RCP future scenarios, completes multi-source heterogeneous data preprocessing and scale matching, selects key driving factors of life, agriculture, industry and ecological water demand by department, adopts multi-model set to select the optimal simulation model of each department and analyzes the driving mechanism combined with explainability analysis, realizes differentiated water resource demand measurement based on the optimal model, carries out supply and demand balance analysis and builds a multi-objective optimal allocation scheme. The present application has high prediction accuracy and strong dynamic response capability, is suitable for fine management of water resources at county scale, and can provide scientific basis and decision support for regional water resource optimal allocation and sustainable development.
Owner:LANZHOU UNIV

A tourist flow distribution device

ActiveCN224647508Upull out quicklyExpand quickly
The utility model discloses a tourist flow shunting device relates to the technical field of scenic spot device, including fixed frame and movable frame, one side of fixed frame is equipped with the vertical board no.
Owner:ANHUI BUSINESS COLLEGE

Water treatment method and system using electric field oxidation electrocoagulation and conventional magnetic separation

ActiveCN115594328BStrong complexing and flocculation performanceHave technical effectsDispersed particle separationTreatment with anaerobic digestion processesWater sourceTreated water
The present application belongs to the technical field of water treatment, and discloses a water treatment method and system adopting unidirectional pulse high-voltage electric field discharge oxidation, alternating current electric field fixed spiral wing fin static disturbance electric field microflocculation, conventional magnetic field separation, and anaerobic reduction reaction. A pressurizing water pump is installed in series at the outlet of a water source, and the treated water enters the unidirectional pulse high-voltage electric field discharge oxidation device, the alternating current electric field fixed spiral wing fin static disturbance microflocculation device, and the magnetic separation device in sequence through pressurization, and then enters the conical bottom anaerobic reduction reaction water tank, and is supplied to the user after pressurization by the outlet pressurizing pump; when the magnetic separation device is saturated, the backwashing process is started, the backwashing adopts steam-water backwashing, the backwashing sewage enters the conical bottom anaerobic reduction reaction water tank, a backflow submersible metering pump is arranged at the upper half of the water tank, the outlet of the metering pump is connected to the water inlet of the unidirectional pulse high-voltage electric field discharge oxidation device and is provided with an electromagnetic valve, and is used for strengthening the oxidation microflocculation again, thereby saving the cost of the traditional process by 50-80%.
Owner:孙作达