Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

74results about How to "Easy to determine" patented technology

A deep hole drilling apparatus for elbow crank rods

The application relates to the technical field of machining equipment, in particular to a deep drilling device for elbow curved rods, which comprises an assembling shell, a hydraulic cylinder is embedded at the top end of the assembling shell, a pressing mechanism is connected to the power output end of the hydraulic cylinder, and a sliding groove is arranged on the abutting surface of the assembling shell and the pressing mechanism. The winding equipment body winds and unwinds the cable, so that the electromagnet connected with the connector through the thread is penetrated into the rod piece. When the hydraulic rod drives the inclined block to press and bend the rod piece, the bearing capacity is improved through the support of the electromagnet, so that the excessive pressing and bending of the rod piece is avoided, the deformation of the rod piece is avoided, the product quality is affected, the electromagnet is connected with the connector through the thread, the electromagnet is convenient to disassemble and assemble, the electromagnet with the diameter size suitable for the rod piece is replaced, the applicability is improved, the rod piece is conveniently attracted after the electromagnet is electrified through the cable, the sliding condition is avoided, the pressing and bending quality is affected, when the electromagnet is not worked, the connector is tightened in the connecting hole through the winding equipment body, and the rod piece is conveniently placed and corresponds to the electromagnet.
Owner:厦门礼田兴机械有限公司

A building engineering wall body punching device

This utility model relates to the field of building engineering technology and discloses a wall drilling device for building engineering. It includes an electric hammer body, a drill bit for drilling is provided at the left end of the electric hammer body, and a sleeve is provided on the outside of the right end of the electric hammer body. Connecting rods are fixedly connected to both the front and rear ends of the sleeve. A U-shaped plate is fixedly connected to the upper left side of the connecting rods. The lower side of the U-shaped plate fits tightly against the upper left side of the electric hammer body. An elastic component is provided in the middle of the U-shaped plate, and a movable rod is movably provided inside the left end of the connecting rods. In this utility model, during drilling, the protective cover and support strip can be pushed tightly against the wall by a spring. The protective cover covers the drilling area, and the support strip increases the contact area with the wall, making it easier for operators to determine whether the drill bit is perpendicular to the wall, thus ensuring consistent verticality. Simultaneously, it can block most of the flying dust during drilling, avoiding dust pollution.
Owner:HEBEI DAOCAI CONSTRUCTION ENGINEERING CO LTD

Ice making device control method, ice making device, and refrigerator

This application provides an ice-making device control method, an ice-making device, and a refrigerator. The ice-making device includes an ice scraper with a reference position and a position sensor at that position. The ice-making device control method includes: controlling the ice scraper to rotate in a first direction in response to an initialization signal from the ice scraper; monitoring the state of the position sensor during the rotation of the ice scraper; and if the position sensor is detected to be triggered, controlling the ice scraper to stop rotating from the reference position for a set time, and marking the current position of the ice scraper as the initial position. The technical solution of this application can generate the initial position of the ice scraper, so as to accurately position the ice scraper after initializing the refrigeration device, thereby improving the reliability of the ice-making device.
Owner:HISENSE RONSHEN GUANGDONG REFRIGERATOR

Auxiliary system and method for accurate alignment of vehicle at lifting appliance end of quay crane

The invention belongs to the technical field of port equipment, and discloses a quay crane sling end vehicle accurate alignment auxiliary system and method.The quay crane sling end vehicle accurate alignment auxiliary system comprises an end corner light source projection unit, a center light source projection unit and a distance measurement recognition unit which are arranged at the bottom of a quay crane sling; wherein the end corner light source projection unit is used for projecting four end corner marks identified by the unmanned vehicle on the ground, and the four end corner marks are used as four corners to form a rectangular parking space; the central light source projection unit is used for projecting a cross-shaped reference mark for unmanned vehicle identification on the ground, and the center of the cross-shaped reference mark coincides with the center of the rectangular parking space; the distance measurement recognition unit is used for detecting and obtaining deviation information of the unmanned vehicle relative to the center reference of the quay crane lifting appliance in the process that the unmanned vehicle gets close to the end corner mark and stops, and sending the deviation information to the unmanned vehicle. The alignment precision and the alignment efficiency of the unmanned vehicle and the quay crane lifting appliance can be improved.
Owner:SHANGHAI ZPMC ELECTRIC +1

Radio frequency activation method and device of indoor distributed antenna, electronic equipment and medium

This invention discloses a radio frequency (RF) activation method, apparatus, electronic device, and medium for an indoor distributed antenna. The method includes: performing three-dimensional local peak detection on target wall nodes of a target building to obtain target anchor points; projecting a two-dimensional continuous probability map, determined by superimposing parameter information of the target cores of all target anchor points, onto the target beam angular domain of each distributed antenna element to determine the coverage occupancy rate of each beam element in the target beam angular domain; allocating transmit power vectors to the target beam angular domain based on the coverage occupancy rate; determining the target RF chain for each beam element in the target beam angular domain based on the angular difference between two adjacent beam elements in the target beam angular domain; and transmitting the transmit power vector of the target beam angular domain and at least one target RF chain to the corresponding distributed antenna element in the target beam angular domain. This invention enables an indoor distributed antenna system to significantly reduce RF link power consumption while ensuring RF link quality.
Owner:中国移动通信集团云南有限公司 +1

Railway line length measuring device

The utility model discloses a railway line mileage measuring device, include: first upper and lower strand mid -distance positioning unit, including the straight ruler of measuring upper and lower strand spacing and showing spacing midpoint, and the straight ruler positioning unit of straight ruler one end leaning against the working edge of steel rail and the abutting face with straight ruler vertical, second upper and lower strand mid -distance positioning unit, including the straight ruler of measuring upper and lower strand spacing and showing spacing midpoint, and the straight ruler positioning unit of straight ruler one end leaning against the working edge of steel rail and the abutting face with straight ruler vertical, measuring point marking unit is used for marking the measurement position of second upper and lower strand mid -distance positioning unit on railway line, ranging unit is used for measuring the distance between first spacing midpoint position and second spacing midpoint position. Utilize the device of the utility model to measure railway curve line mileage, has reduced the work load and has improved the work efficiency, and the railway line mileage measuring device of the utility model is especially suitable in mountainous area is not suitable with the use under the environment of GPS measurement.
Owner:中国铁路北京局集团有限公司承德工务段

Multi-mode resonator and filter

The utility model relates to the field of communication, and provides a multimode resonator and a filter. The multi-mode resonator at least has two resonant modes of an HE mode, the multi-mode resonator comprises a resonator shell, a dielectric resonance piece and a grounding plate piece, and the dielectric resonance piece comprises a dielectric main body and at least three dielectric pins connected to the peripheral side of the dielectric main body; the grounding plates are in one-to-one correspondence with the dielectric pins and are connected to the ends, away from the dielectric main body, of the dielectric pins; the dielectric resonance part and the grounding plate parts are arranged in the resonator shell, and the grounding plate parts are connected to the inner wall of the resonator shell in a grounding mode. Based on the structure, the multi-mode resonator can be used for coupling at least two orthogonal high-Q-value resonance modes of the HE mode in a single cavity, and the performance, the space utilization rate, the usability, the applicability and the practicability of the multi-mode resonator can be improved; moreover, compared with the prior art, the installation convenience and the installation reliability of the dielectric resonance piece can be optimized, and the overall assembly convenience and the assembly reliability of the multimode resonator can be improved.
Owner:ANHUI TATFOOK TECH CO LTD

Quick-change cutter for embossing splitting machine

The utility model discloses a quick-change type cutter for an embossing splitting machine, and particularly relates to the field of embossing splitting machines, the quick-change type cutter comprises a cutting roller, a limiting groove is formed in the side wall of the cutting roller, a fixing block is arranged in the limiting groove in a sliding mode, the fixing block is fixedly arranged on the inner side wall of the cutter, and the cutter is arranged in the limiting groove. An operating rod is arranged in the middle of the cutting roller, a plurality of mounting discs are arranged on the operating rod, a plurality of first push blocks are fixedly arranged on each mounting disc, a second push block is arranged at each first push block, a limiting rod is fixedly arranged on each second push block, and a limiting block is arranged on each limiting rod. The ends, away from the second push blocks, of the limiting rods penetrate through the cutting roller, limiting holes are formed in the inner side walls of the cutters and the inner side walls of the fixing blocks correspondingly, and positioning blocks are arranged at the positions, located at the two ends of the fixing blocks, of the inner side walls of the limiting grooves correspondingly. Mounting and dismounting of cutting can be achieved without the help of other tools, and different products can be machined conveniently.
Owner:长春吉龙专用材料有限公司

A mycophenolic acid chemiluminescence immunoassay reagent and its preparation and detection method

PendingCN122361803AStrong immunogen specificityStrong specificityAntiendomysial antibodiesMycophenolic acid
The present application relates to a kind of mycophenolic acid detection reagent and its preparation and detection method, specifically a kind of mycophenolic acid chemiluminescence immunoassay reagent and its preparation and detection method, comprising: anti mycophenolic acid specific antibody, for detecting the indicating reagent of anti mycophenolic acid specific antibody-mycophenolic acid combination;The above anti mycophenolic acid specific antibody is obtained by mycophenolic acid immunogen immunization animal.The present application has the advantages that: the mycophenolic acid immunogen of the present application is specific, and immunogenicity is high, and the prepared anti mycophenolic acid specific antibody is specific, and titer is high;Chemiluminescence immunoassay reagent containing the above anti mycophenolic acid specific antibody can determine the mycophenolic acid content in sample conveniently, quickly and accurately, and multiple samples can be simultaneously determined on full-automatic chemiluminescence immunoassay analyzer, realize the high-throughput rapid determination of mycophenolic acid, and the accuracy is high, and the specificity is strong, and accuracy and detection efficiency have been greatly improved.
Owner:SUZHOU EVERMED BIOMEDICAL CO LTD

Rudder angle indicating tool

PendingCN122009461AGuaranteed normal drivingConvenient and precise turning angleSteering ruddersClassical mechanicsMechanical engineering
The invention belongs to the technical field of ships, and particularly relates to a rudder angle indicating tool. The rudder angle indicating tool comprises a dial plate which is fixed on a ship body and is provided with angle scales; the indicating structure comprises a connecting assembly and a pointer, the connecting assembly is detachably connected with the rudder shaft, and the pointer is connected with the connecting assembly; wherein in the axial direction of the rudder shaft, at least part of the projection of the pointer falls on the dial plate and is used for indicating angle scales. The rudder angle indicating tool can guarantee the indicating precision.
Owner:WUCHANG SHIPBUILDING INDUSTRY GROUP CO LTD

Drilling positioning device for stope

The drilling positioning device for the stope comprises an outer lantern ring and a hanging ring, the surface of one side of the outer lantern ring is connected with a jacking screw rod in a penetrating and threaded mode, one end of the jacking screw rod is rotationally connected with a fixing groove through a rotary connecting base, and the other end of the jacking screw rod is fixedly connected with a handle. A hanging ring is fixedly installed on the bottom face of the outer lantern ring through a hanging rod, and a fixing ring is fixedly connected into the hanging ring through a fixing rod. The drilling positioning device has the advantages that the outer lantern ring and the laser alignment lamp are arranged, the outer lantern ring can be arranged on the outer side of the drill bit from bottom to top in a sleeving mode during drilling positioning of a stope, then the jacking screw is driven to rotate by rotating the handle, the fixing groove is driven to jack the drill bit shaft rod, fixing can be completed, and a worker can move the drill bit to the position above the drilling position, so that drilling positioning is completed. And a point punched by the laser alignment lamp is aligned with a marked drilling point, so that the positioning work of the drill bit can be completed, the positioning is accurate and convenient, and the use convenience is improved.
Owner:JIANGXI COPPER IND EXPLOSIVE MINES CO LTD

Method for determining the rotor position in a permanent magnet synchronous machine

ActiveCN115250082BIncrease duty cycleEasy to determine
The invention relates to a method for determining a rotor position (RP2) of a three-phase permanent magnet synchronous machine (1). Each phase (u, v, w) of the permanent magnet synchronous machine (1) here corresponds to an inductance which changes as a function of the rotor position (RP2). In the method, a voltage (u(t)) is applied across the phases (u, v, w), wherein the applied voltage (u(t)) respectively causes a ripple current (i(t)) for each phase (u, v, w). The ripple current (i(t)) is determined for at least two of the three phases, and the inductance of the respective phase is determined on the basis of the determined ripple current (i(t)) for the respective phase. The rotor position (RP2) is then determined from the changing inductance. The method is also used here in a method for field-oriented regulation of the permanent magnet synchronous machine (1). Furthermore, the invention relates to a control unit (2) for carrying out such a method, and to a steering system having a steering regulator which comprises a permanent magnet synchronous machine (1) having such a control unit (2).
Owner:THYSSENKRUPP PRESTA AG +1

Rigid overhead line measurement auxiliary device

The application belongs to the technical field of overhead line laying auxiliary, and particularly relates to a rigid overhead line trackless measurement auxiliary device, which comprises a mounting plate, one side of the mounting plate is connected with a positioning mechanism, one side of the positioning mechanism is provided with a spraying mechanism for marking lines, the spraying mechanism is clamped in the middle of the mounting plate, both sides of the mounting plate are further connected with a movement mechanism, one side of the mounting plate is connected with a connecting strip, the positioning mechanism comprises a positioning box fixedly connected with the mounting plate, one side of the positioning box is provided with a motor fixedly connected with the mounting plate, an output end of the motor is drivingly connected with a speed changer, an output end of the speed changer is drivingly connected with a rotating ring, through cooperation of the above structure, the positioner can be placed at a specified position, so that the determination of the position of the subsequent overhead line support is facilitated, the construction can be carried out in advance, and through the work of the belt conveyor, one-time movement can be carried out to position multiple positions, so that the need of laying is facilitated.
Owner:CSCEC STRAIT CONSTR & DEV

Method for constructing relationship triple, knowledge enhancement method and related device thereof

The application provides a relationship triple construction method, a knowledge enhancement method and related devices, which can fine-tune a pre-training model using knowledge corpus of an application scenario of a knowledge graph to obtain a language model. The language model learns the knowledge of the application scenario and can distinguish whether a target sentence meets the part-of-speech requirement of a relationship triple, whether it is a knowledge element meeting the knowledge of the application scenario of the knowledge graph, and then construct a relationship triple according to the target sentence meeting the above requirements. Manual annotation is not required, which avoids the problem that manual annotation may not cover all possible entities and relationships, resulting in low quality of the knowledge graph.
Owner:ANHUI IFLYHEALTH CO LTD

Measuring system for measuring a slope

This utility model relates to a measurement system for measuring slope, wherein the measurement system includes: a leveling instrument, the leveling instrument being disposed at a first position; and a distance measuring detector, the distance measuring detector being disposed at a second position and a third position on the slope to be measured, wherein when the distance measuring detector is at the second position, a first distance between the leveling instrument and the distance measuring detector and a first height of the distance measuring detector are determined, and wherein when the distance measuring detector is at the third position, a second distance between the leveling instrument and the distance measuring detector and a second height of the distance measuring detector are determined, wherein the slope of the slope to be measured is determined based on the height difference between the first height and the second height and the distance difference between the first distance and the second distance.
Owner:NORTHWEST TECHNOLOGIES (KUNSHAN) CO LTD

Fe / Cu-SAPO-11 adsorption carrier for adsorbing NH3 and resisting SO2 poisoning as well as preparation method and application of Fe / Cu-SAPO-11 adsorption carrier

PendingCN122076378Ashort exchange timeincrease the active siteOther chemical processesDispersed particle separationMolecular sieveWaste minimisation
The invention discloses a Fe / Cu-SAPO-11 adsorption carrier capable of adsorbing NH3 and resisting poisoning as well as a preparation method and application of the Fe / Cu-SAPO-11 adsorption carrier, and belongs to the field of environmental pollution control materials and technologies. The preparation method at least comprises the following steps: in the presence of a source containing aluminum, phosphorus and silicon, performing hydrothermal synthesis, calcining to obtain an SAPO-11 molecular sieve, and finally loading copper by an ion exchange method. And carrying out hydrothermal synthesis on iron oxide, and physically mixing the molecular sieve and the iron oxide to obtain the Fe / Cu-SAPO-11. The Fe / Cu-SAPO-11 prepared in the invention has a micron-scale spherical structure, and iron oxide loaded on the Fe / Cu-SAPO-11 has a regular hexagonal structure with a nano-scale size. Compared with the prior art, the method disclosed by the invention is simple to operate, easy for large-scale production, high in NH3 adsorption efficiency and good in sulfur resistance.
Owner:NANJING NORMAL UNIVERSITY

A pressing device for aluminum phosphide production

ActiveCN224447003UAchieve simultaneous moldingRealize detectionPhysical chemistryMechanical engineering
This utility model belongs to the field of aluminum phosphide tablet production technology, specifically relating to a pressing device for aluminum phosphide production. It includes a base, a storage box, and a telescopic pressure plate, as well as a forming disc and a storage cylinder. The forming disc is located inside the protective cylinder. A top plate, which mates with a groove on the top surface of the forming disc, is installed inside the forming disc via an electric telescopic rod. A pressure plate, which mates with the forming disc, is installed on the bottom plate of the telescopic pressure plate via a spring telescopic rod. The storage cylinder, which communicates with the bottom opening of the protective cylinder, is located on the base. By setting up the forming disc, pressure plate, and multiple feeding pipes, multiple aluminum phosphide tablets can be formed simultaneously, improving the production efficiency of aluminum phosphide tablets. By setting two fans on the protective cylinder, one fan, connected to a collection box, is used to collect the powder inside the protective cylinder, and the other fan is used to blow the formed aluminum phosphide tablets, enabling the simultaneous discharge of multiple tablets.
Owner:JINING HIGH TECH DEV ZONE YONGFENG CHEM PLANT

Text evolution information extraction method and device, electronic equipment and storage medium

The present disclosure provides a character evolution information extraction method and device, electronic equipment and storage medium. The method comprises: determining a target character and a starting era and a terminal era of an evolution period corresponding to the target character; obtaining p candidate characters from a target component vector of the target character, a target radical vector of the target character and a preset component-radical vector library, wherein the p candidate characters are all characters of the starting era; determining an origin character from the p candidate characters according to a first text set and a second text set; extracting character evolution information from the origin character to the target character from a cross-era text set corresponding to the origin character, wherein the character evolution information comprises: an associated character set that has an influence on the evolution of the origin character to the target character, and an influence degree parameter corresponding to each associated character in the associated character set. It can be seen that the present embodiment provides a character evolution process research technology with high feasibility.
Owner:MASHANG CONSUMER FINANCE CO LTD

A sampling device and sampling method for simulating the sampling of a raw gas gathering and transportation system

PendingCN122084336AEasy to determine the sampling point locationEasy to determine sampling parametersWithdrawing sample devicesSoil scienceProcess engineering
This invention discloses a sampling device and method for simulating sampling in a raw gas gathering and transportation system, relating to the technical field of gas field gathering and transportation systems. The sampling device includes: a multiphase fluid blending component for blending gas, liquid, and solid three-phase fluids to output a sample medium; a simulated sampling pipeline including a circulating pipeline with a closed polygonal layout, wherein each flow section of the circulating pipeline is connected in series with a sampling pipeline, and each sampling pipeline has multiple sampling points; and a sample collection and processing component for collecting and processing the medium taken from the sampling points of the sampling pipeline, capable of simulating the influence of different gas-liquid-solid contents, different pipeline characteristics, different sampling depths, sampling times, and other parameters of the raw gas gathering and transportation system on the representativeness of the sample. The sampling method is based on the aforementioned sampling device for simulating sampling in a raw gas gathering and transportation system.
Owner:PETROCHINA CO LTD

Game information page refreshing method and device, medium and program product

The invention provides a game information page refreshing method and device, a medium and a program product, which can relate to the computer technology, and the method comprises the following steps: responding to a refreshing operation aiming at a game information page, and based on an identifier of original game information data and an identifier of new game information data, updating the game information page; determining deletion information of the to-be-deleted game information data and insertion information of the to-be-inserted game information data; based on the identification and position information of the original game information data and the identification and position information of the new game information data, position movement information of the to-be-moved game information data is determined; determining content change information of the to-be-changed game information data by adopting a content detection algorithm for other original game information data in the original game information data block and the corresponding new game information data; and updating the original game information data block based on the information so as to display an updated game information page. Therefore, the data updating speed can be increased, and the refreshing efficiency of the game information page can be improved.
Owner:SHENZHEN TENCENT TIANYOU TECH CO LTD

Cutting device for extrusion cylinder production

ActiveCN224642472Ueasy accessavoid approaching
The utility model discloses a cutting device for extrusion cylinder production convenient to unload belongs to extrusion cylinder production technical field, it includes work table, the support frame is connected to work table top, is set with the chute on work table, the hollow board is connected to work table below, the backing plate is connected to work table top. This cutting device for extrusion cylinder production convenient to unload, through the rotation screw rod of starting drive motor, utilize the thread cooperation of cooperation sleeve and screw rod, make the connecting frame along the chute and move, and then drive the vice clamping plate, make and workpiece cutting section relative clamping vice clamping plate drive workpiece and move, the connecting rod will slide along the guide groove and gradually slide into the inclined end of guide groove in the process, utilize the pushing of guide groove inclined groove wall and make vice clamping plate compression telescopic rod complete loosening, to facilitate staff to take down material, and avoid the worker close cutting area, improve the efficiency and safety.
Owner:DALIAN VICTOR MASCH MFG CO LTD

Connecting structure of bimetallic strip

ActiveCN224134931Uquick connectionReduce connection gapsSheet joiningMetal sheetBimetallic strip
The utility model discloses a connecting structure of bimetallic strips, which relates to the technical field of bimetallic strips, and comprises an outer sleeve metal sheet, the front side and the rear side of the outer sleeve metal sheet are respectively provided with a front positioning groove and a rear positioning groove, the top of the outer sleeve metal sheet is provided with a middle groove, the inner side of the middle groove is connected with an assembling plate in a clamping manner, and the assembling plate is provided with a clamping groove. The bottom of the assembly plate is fixedly connected with an embedded metal sheet through a first screw, and a third through groove is formed in the middle of the side face of the outer sleeve metal sheet. And the side surface of the embedded metal sheet is fixedly connected with the connecting column II on the inner side of the outer sleeve metal sheet through the screw II, so that the outer sleeve metal sheet and the embedded metal sheet can be quickly assembled and connected, the connecting gap between the assemblies is small, and meanwhile, the influence on the triggering accuracy when the temperature is too high is also avoided.
Owner:ZHEJIANG TIANSHENG SHUANGJIN TECH

Method for detecting the quality of a protein polymer

ActiveCN121347719Bachieve separationOptimize detection results
The application belongs to the field of biological drugs, and discloses a quality detection method of protein polymer, which comprises at least one of reverse phase HPLC detection, SDS-PAGE analysis, mass spectrometry detection, particle size detection, exosome surface marker detection, sterility detection and endotoxin detection. The quality detection method of some examples of the application can effectively realize the separation of components in the protein polymer sample by optimizing the HPLC condition, achieve better detection results, and establish the quality control standard of the protein polymer.
Owner:DARWIN BIOTECHNOLOGY (HUBEI) CO LTD

Method, device and equipment for processing memory access request

The invention relates to the technical field of computers, and provides a memory access request processing method, device and equipment, which are used for solving the problem of security isolation in a multi-user sharing scenario, and the method comprises the following steps: obtaining a sideband signal in a preset access request to determine an identity label of a requester corresponding to the preset access request; determining a target register domain from a plurality of register domains according to an identity category to which the identity identifier belongs; wherein the plurality of register domains correspond to a plurality of identity categories, and the plurality of register domains are used for performing configuration management on the plurality of virtual DMA channels; and determining an accessible area corresponding to the identity identifier from the target register domain, and processing the preset access request according to the accessible area. According to the embodiment of the invention, by pre-configuring a plurality of identity categories and a plurality of register domains, different access permissions can be allocated for users with different identities, so that security requirements among multiple users can be met at the same time, and the problem of security isolation in a multi-user sharing scene is solved.
Owner:MOORE THREADS TECH CO LTD

Methods, apparatus, equipment, and storage media for determining oil film regions in images.

This disclosure relates to a method, apparatus, device, and storage medium for determining oil slick regions in an image. The method includes: acquiring a first image of an oil slick at sea; preprocessing the first image to obtain a second image; inputting the second image into a neural network to obtain a third image; updating the original contact points in the third image to obtain a fourth image; improving and optimizing the boundaries in the fourth image to obtain a fifth image; and processing the fifth image using a chaotic evolutionary optimization algorithm to obtain a sixth image showing the ternary representation of the oil slick. The oil slick region is then determined based on the sixth image. The technical solution of this application uses a chaotic algorithm to optimize the ternary algorithm and uses a chaotic evolutionary optimization algorithm to process the fifth image to obtain a ternary representation of the oil slick at sea; this improves the clarity of image region segmentation and facilitates more accurate determination of the oil slick region.
Owner:SHENZHEN INST OF GUANGDONG OCEAN UNIV +1

A URL determination method and apparatus, electronic device, and storage medium

The application provides a URL determination method and device, electronic equipment and a storage medium, relates to the technical field of networks, and solves the technical problem that all URLs corresponding to a web application cannot be accurately and completely determined in the related art. The method comprises the following steps: determining a physical position corresponding to each application in at least one application; obtaining a file name of an accessed file corresponding to each application based on the physical position corresponding to each application; and determining a URL corresponding to each application based on a position name of the physical position corresponding to each application and the file name of the accessed file corresponding to each application.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Mine microseismic monitoring instrument with environment-adaptive placement site

The utility model discloses a kind of mine microseismic monitoring instruments of adaptive environmental regulation placement position, the utility model relates to mine monitoring technical field, the alarm part includes alarm device, signal receiving chip and signal transmission chip are arranged in the alarm device, the signal receiving chip is electrically connected with signal transmission chip.This mine microseismic monitoring instrument of adaptive environmental regulation placement position is provided with alarm part, signal receiving chip and signal transmission chip are arranged in alarm part, when signal receiving chip in one of alarm part receives vibration signal, information is transmitted to signal transmission chip, signal transmission chip sends signal, after the signal sent by signal transmission chip is received by adjacent alarm part, signal can continue to be sent to adjacent alarm part, by layer by layer transmission, until signal is sent to ground, so that signal is transmitted to ground more stable, signal cannot be transmitted to ground without appearing situation.
Owner:WANGZHUANG COAL MINE SHANXI LUAN ENVIRONMENT PROTECTION ENERGY SOURCE SWITCH

A method and system for evaluating seismic damage of a sedimentary basin building group

The application discloses a sedimentary basin building group earthquake disaster evaluation method and an evaluation system, belongs to the technical field of engineering disaster prevention, and is characterized in that the sedimentary basin building group earthquake disaster evaluation method comprises the following steps: S1, determining a target site and characteristic input parameters; S2, establishing a three-dimensional sedimentary basin model and obtaining a seismic response; S3, establishing an improved data set; S4, optimizing an artificial neural network; S5, obtaining samples; S6, determining seismic motion parameters; S7, prediction and evaluation. The application improves the calculation efficiency of building the data set and evaluating the influence of site medium parameter uncertainty on basin seismic motion by means of a fast multipole algorithm and a surrogate model in sequence, can give statistical moment and probability information of peak acceleration of the basin ground surface at any position, and is applied to rapid prediction and evaluation of building group earthquake disaster, and serves a resilient city.
Owner:TIANJIN CHENGJIAN UNIV

Text recognition method and device, electronic equipment and readable storage medium

Embodiments of the present application provide a text recognition method and device, electronic equipment and readable storage medium. In the method, the text region features of the to-be-recognized image and the reference text features are obtained. According to the text region features of the to-be-recognized image and the reference text features, the region information of the text region of the to-be-recognized image is detected. The text region is corrected based on the region information to obtain the corrected target text region. According to the global features and the local features of the target text region, the context features of the target text region are generated, and the text recognition of the target text region is performed based on the context features. In this way, the text contained in the picture can be determined conveniently to some extent, and the accuracy of text recognition is improved.
Owner:CHINA TELECOM CORP LTD