7399results about How to "Solve efficiency problems" patented technology

The invention discloses a water-based cutting fluid used in slice machining of a hard brittle crystal material, comprising the following compositions: base oil, organic amine, organic acid, synthetic ester, emulsifier, rust and corrosion inhibitor, dispersion flocculation and hard-water resisting agent, antiseptic bactericide, antifoaming agent, coupling agent, adjuvant and a proper amount of water. Aiming at the machining techniques of inner circle slicing and outer circle slicing, the water-based cutting fluid has good generality, lubricity, strong antirust property and a long service life; when the cutting fluid is used, the machining situation can be observed easily, the cooling property is good, the cleaning and the permeability are strong, cuttings subside easily, and the machining problems of machining error, crack and the like caused by cutter blocking, abrasion and the like are solved; according to the invention, the problems that cuttings are easy to adhere and suspend, a cutter is seriously abraded, a machined product cracks easily, the accuracy is not high, the machining efficiency is low, the later period cleaning is complex and the like existing in the current slice machining of the hard brittle crystal material are solved, and further, a machine bed is protected, and the cost is reduced.

The invention discloses a hybrid machine learning credit scoring model building method. The method comprises the steps of 1, determining client risk classification standards based on a loan client historical data set; 2, based on the loan client historical data set, obtaining a loan client data feature set through feature extraction; 3, selecting at least two model algorithms from an alternative model library, building corresponding models based on the selected algorithms, performing model performance check on the built models by adopting a K-fold cross check method, performing standard check on the models about to pass the model performance check based on model check standards, obtaining evaluation index statistical quantity values, and selecting a model type used by final modeling according to the evaluation index statistical quantity values returned by the standard check of the models; and 4, based on the algorithm corresponding to the selected model type, building a credit scoring model. The technical effect of efficiently and accurately finishing user credit evaluation through the built hybrid machine learning credit scoring model is achieved.

The invention relates to a power transmission tower climbing robot and a power transmission tower routing inspection mode thereof and belongs to the technical field of robots. The robot is formed by a telescopic module, a clamping module and traction modules. The clamping module is divided into an upper clamping module and a lower clamping module, the upper clamping module and the lower clamping module are connected through the telescopic module, and the traction modules are installed on the two sides of the upper clamping module. According to the power transmission tower routing inspection mode of the power transmission tower climbing robot, robots with the corresponding number are installed on corresponding tower piece main materials of a power transmission tower according to routing inspection power transmission tower pieces, the robots of the tower pieces are connected to the corresponding traction modules through traction ropes with detection and maintenance devices, the clamping module and the telescopic module are in linkage to complete climbing and barrier crossing, and thus the detection and maintenance working of the power transmission tower is achieved.

The invention relates to an umbrella-shaped electrostatic spinning sprayer and an electrostatic spinning method. The sprayer comprises an umbrella-shaped spinning nozzle, a numerical control type infusion device and a solution collecting groove, wherein the numerical control type infusion device mainly comprises a solution propeller and a controller; the middle of the umbrella-shaped spinning nozzle is provided with a cylindrical hollow portion, and an output end of the solution propeller is placed into the cylindrical hollow portion of the umbrella-shaped spinning nozzle; the controller controls flow velocity and flow of spinning solutions; and the solution collecting groove is placed in the bottom of the umbrella-shaped spinning nozzle. The electrostatic spinning method comprises that a binding post on the umbrella-shaped spinning nozzle is connected with a high-voltage positive electrode, conducting polymer solutions are continuously added to the umbrella-shaped spinning nozzle which is horizontally placed through the numerical control type infusion device, electrostatic spinning is started, collection is achieved through a collecting device, and nano-fibers are formed. The sprayer avoids blocking phenomena, and is easy to clean and good in stability; and the electrostatic spinning method improves production efficiency and the yield of electrostatic spinning.

The invention provides a network access control method and system based on IP access behaviors. The method includes: after a Web request sent by a client is acquired through a router, the Web request is sent to a behavior analyzing server; data in the Web request are extracted by the behavior analyzing server and a corresponding user IP and a behavior record of the user IP are generated and whether the Web request is a normal request is judged according to the behavior record; if the Web request is a normal request, then the Web request is forwarded to a corresponding service server and if not, then a response refusing the Web request is sent to the client so that access control on unknown IPs can be carried out dynamically and problems such as low efficiency, tedious configuration and poor dynamic instantaneity and the like in traditional IP access control are solved. At the same time, the network access control method and system also aim at restraining network attacks, regulating crawler behaviors, improving website or API service qualities and enhancing website stability and usability.

The invention provides a screen screenshot method and system and relates to the technical field of computer. A screen screenshot system comprises an image dividing storage module for activating a repeated screenshot mode, continuously dividing at least two screenshot areas in a background image and temporarily storing images in the divided screenshot area every time to an image storage area, a splitting module for splitting and editing each image in the image storage area according to user requirements after screenshot is finished and a storage module for storing the image after completion of the editing. The screen screenshot method and system can cut out a plurality of images in a same background image for storage once, then split and edit the images according to user requirements, solve the problem that repeated cutting is carried out on the same background image and the whole data processing process of splitting is complex in operation and low in efficiency, and enable operation of the user who has requirements for a plurality of screenshot images on the same background image to be convenient and rapid.

The embodiment of the invention provides a method and a client for searching an answer to a test question. The method comprises the following steps: after acquiring a picture shot by a user and containing the test question of which the answer is to be searched, recognizing the test question content from the picture and searching a test question database; and when the answer matched with the test question is searched in the test question database, displaying the answer to the user. On one hand, by the way that the user shoots the picture containing the test question and the test question content is recognized from the picture, the convenience and quickness and the accuracy for the user to input the test question to be searched are improved; on the other hand, the accuracy of the input test question content is ensured, the test question is searched and matched in the test question database, and the answer matched with the test question is searched and returned to the user, so that the professional property and the accuracy of a searched answer are improved.

The invention provides a double-workbench drive laser processing machine and a processing method thereof, and relates to the technical field of laser precision processing equipment. The double-workbench drive laser processing machine is provided with a first workbench, a second workbench, a laser beam transfer device (LBDS), a vacuum adsorption chuck and an image acquisition device. The processing method comprises the following steps: carrying out P1 non-contraposition and P2 contraposition on the basis of a unified affine transformation model; mapping a workpiece coordinate space to a processing coordinate space, i.e. a first workbench processing coordinate and a second workbench processing coordinate; and transferring a CAD data pattern to the workpiece, thereby controlling a feature position error of the processed pattern within an ideal accuracy range. By using the invention, the working efficiency of the P1 procedure can be effectively enhanced and the problem of automatic visual contraposition accuracy caused by workpiece deformation in the P2 procedure can be effectively solved, thereby reducing the cost and enhancing the productive capacity. The invention has the advantages of simple structure, and unique principle and method. The invention is especially suitable to be used on a large-scale LTCC/HTCC production line of processing technology.

Embodiments of the present application provide a method and an apparatus for labeling image data, wherein the method comprises the following steps: obtaining image data to be labeled; determining a target region in the image data to be labeled by using a preset detection network model, and marking a position of the target region; using the preset classification network model to recognize the imagedata at the position of the target area, and labeling the recognition result. The pre-trained detection network model is adopted to find and label the target area, and then the classification networkmodel trained in advance is used to identify and label whether the image data in the target area is the target object or not, thus solving the technical problems of poor accuracy and low efficiency in the existing data labeling methods, and achieving the technical effect of automatically labeling a large amount of image data efficiently and accurately.

The invention discloses a non-complementary flyback active clamp converter. The non-complementary flyback active clamp converter comprises a transformer, a main switching tube, a clamp switching tube, a clamp capacitor and a drive module. The drive module outputs main drive signals to the drive end of the main switching tube, and the driving signals are used for controlling the main switching tube to be alternately switched on and switched off. The drive module outputs clamp drive signals to the drive end of the clamp switching tube. The clamp drive signals and the main drive signals have the same period. Each period comprises a first pulse signal which is generated when the switching-on state of the main switching tube is converted to the switching-off state, a second pulse signal which is generated when the main switching tube is in the switching-off state, and a signal which is generated at the remaining time and used for controlling the switching-on and the switching-off of the clamp switching tube, wherein the first pulse signal and the second pulse signal are independent of each other and both used for controlling the switching-on and the switching-off of the clamp switching tube. By the adoption of the non-complementary flyback active clamp converter, it is guaranteed that a high-frequency current generated when the clamp capacitor is charged fully flows through the clamp switching tube and avoids a backward diode of the clamp switching tube.

The invention discloses a dual heat-source heat-pump hot water device with an extremely simple refrigerating loop. The device is characterized by mainly comprising a compressor, a hot water condenser, a wind heat exchanger, a water heat exchanger, a four-way valve, a bidirectional throttle and the like, wherein a high pressure inlet of the four-way valve is connected with the outlet of the hot water condenser, and the other three ports thereof are connected with air inlets of the wind heat exchanger, the water heat exchanger and the compressor respectively; other ports of the wind heat exchanger and the water heat exchanger are connected with the bidirectional throttle; the exhaust port of the compressor is connected with the inlet of the hot water condenser, and is connected with high pressure air inlet of an electromagnetic pilot valve of the four-way valve; four functions of manufacturing hot water by utilizing water source or air energy and providing air-conditioning cool water by utilizing air-cooling or heating water can be realized by only switching the four-way valve, defrosting can be performed completely and quickly; and a water pre-heater is added to the device to reclaim the heat of waste hot water. The heat pump has the advantages of dual heat sources compensation and wide application range, has multiple functions, extremely simple structure, extremely convenient switching and over 5 of annual comprehensive energy efficiency ratio, and has great popularization value.

A method for fetching information of network resource station includes obtaining hash value by calculation and storing obtained hash valve into databank table, initializing hash pointer array, carrying out sequential fetching on databank table, setting a corresponding pointer array to be zero if hash array is not existed in a certain record and executing hash fetching step if hash array volume is on preset top limit or otherwise executing sequential fetching, carrying hash fetching on databank table and executing sequential fetching if fetching record of certain hash value is blank or otherwise executing hash fetching.

The invention relates to a soluble magnesium-base alloy material which comprises the following components in percentage by mass: 80-95% of Mg, 3-19% of Al, 0.5-3% of Zn, 0.1-1% of Mn and 0.1-1% of Co, totaling 100%. The preparation method comprises the following steps: evenly mixing magnesium powder, aluminum powder, zinc powder, manganese powder and cobalt powder, carrying out cold pressing and sintering. The soluble magnesium-base alloy material can be used for fracturing balls in a horizontal well staged fracturing technique; the dissolution rate of the soluble magnesium-base alloy material in a normal-temperature 3% KCl solution is 10-40 mg.cm<-2>.h<-1>; and the soluble magnesium-base alloy material can bear a pressure of 60-110 MPa, which exceeds the level in the prior art. The technique for preparing the soluble magnesium-base alloy material is simple, and solves the problems of high preparation cost and low working efficiency in the existing fracturing balls.

The invention provides a public information intelligent analysis platform based on big data analysis and mining. The public information intelligent analysis platform comprises a big data preprocessing module, an intelligent analysis module and an information presentation module. The big data preprocessing module is used for storing and preprocessing enterprise information via a clouded mode. The intelligent analysis module is used for performing event cause and effect analysis, assessment of the overall situation of the company and future trend prediction and returning analysis results to an upper layer by comprehensively utilizing the preprocessed data according to data analysis tasks transmitted by the upper layer. The information presentation module is used for generating the data analysis tasks to the intelligent business analysis module and receiving the returned results, presenting the analysis results of the intelligent analysis module and providing an operation interface to a user. Intelligent analysis is performed on mass data in enterprise operation by adopting a clustered computing method via flexibly establishing and configuring analysis models so that problems of poor real-time performance, high effectiveness and interactivity of a conventional data processing method are solved, the user is assisted to perceive the enterprise situation in real time and thus enterprise management efficiency and business processing level are enhanced.

The present invention belongs to the field of polymer material technology. Inorganic nano Sio2 partticle, organic olefin monomer and coupler as raw materials are subjected to emulsion polymerization or suspension polymerization in water as medium in the presence of various emulsifiers and initiator, so that the olefine polymer is grafted to the surface of inorganic nano SiO2 particle to form inorganic nano SiO2 particle core-organic olefin polymer shell structure. The composite particle is spherical, has homogeneous particle size smaller than 100 nm, and has high grafting rate and high grafting efficiency. The prepared compoisite olefin polymer/SiO2 particle material has wide application in the development of nano technology.

The invention provides a method for multimedia information sharing and belongs to the technical field of mobile communications. The method for the multimedia information sharing comprises the steps that a user' instruction for sharing multimedia information is received; private data in the multimedia information is detected; a shielding operation interface of the private data is displayed when the private data is detected, and the private data is shielded according to the user's operation on the shielding operation interface; and the multimedia information of which the private data is shielded can be shared. The invention also discloses a relevant mobile terminal. The method for the multimedia information sharing provided by the invention solves the problems in the prior art that efficiency of the multimedia information sharing is low, and the private data in the multimedia information cannot be protected comprehensively. Through automatic detection of the private data and provision of the rapid shielding interface, the efficiency for the multimedia information sharing is increased; and the method and the mobile terminal are applicable to different types of multimedia information and can comprehensively protect the private data in the multimedia information.

The invention discloses a numerically-controlled processing method of a nozzle housing piece. According to the method, a numerically-controlled machining/milling combined processing center is adopted and comprises two main shafts and an on-line measurement device; the workblank of the nozzle housing piece is a die-forged part, and the die-forged part is made of a nickel-based high-temperature alloy. The method comprises the following steps: designing a nozzle housing processing path; performing polishing treatment on the die-forged part to remove burrs from the die-parting face and end-face die-drawing taper; coarsely machining the tail part of the work piece; performing numerically-controlled machining/milling on the whole work piece; performing numerically-controlled fine machining of the head part of the work piece; cleaning and marking the work piece; and inspecting. The method provides the reasonable designs of processing path and processing method of the work piece as well as the processing positioning reference of the work piece, and completes the processing of the inner cavity, the outer circle, the lateral adapter, the positioning pin and other parts of the nozzle housing piece within one-step loading process. The method solves the problem that the die-forged part has a complex structure and a thin wall and has strict requirements for dimensional precision and positional precision; and overcomes the defects of long processing period, low production efficiency and poor dimensional precision and positional precision.

The invention discloses a self-ballasted fluorescent lamp convenient in installation, comprising a T5 fluorescent lamp tube with plug pins at the two ends, a light-transmitting casing pipe sheathed outside the T5 fluorescent lamp tube, transformation heads arranged at two ends of the light-transmitting casing pipe and electronic ballasts arranged in the transformation heads, wherein lamp guide wires are arranged in a T5 fluorescent lamp. The self-ballasted fluorescent lamp is characterized in that the lamp guide wires penetrate out from the plug pins at the two ends of the T5 fluorescent lamptube and extend outwards to form an electrode connection pin; and the T5 fluorescent lamp tube is in contact with the electronic ballast through the electrode connection pin to realize electric connection. By adopting a structure which is characterized in that the electrode connection pin is formed by penetrating out the lamp guide wires in the T5 fluorescent lamp tube from the plug pins, thus when the self-ballasted fluorescent lamp provided by the invention is installed, as long as the T5 fluorescent lamp tube is sheathed on the two transformation heads, the electric connection can be realized directly by virtue of the contact of the electrode connection pin extending out from the two ends and the electronic ballast, thereby the connection is quite simple, easy and convenient, and the self-ballasted fluorescent lamp has a simple structure.

The invention discloses an adaptive code rate video transmission method and an adaptive code rate video transmission system based on reinforced learning. The method comprises the steps of inputting astate space corresponding to a video block needing to be downloaded into a code rate prediction neural network, and outputting a code rate strategy by the code rate prediction neural network; downloading the video block needing to be downloaded according to the code rate strategy output by the code rate prediction neural network; after each video block is completely downloaded, computing a video playing quality index corresponding to each video block and returning the video playing quality index back to the code rate prediction neural network; and performing training by the code rate prediction neural network according to the returned video playing quality index and the state space corresponding to the completely downloaded video block. According to the method and the system provided by the invention, the algorithm well adapts to multiple different network conditions while the quality of service is improved, the labor time cost of rule setting and parameter optimization is greatly reduced, the efficiency problem caused by artificial feature selection and rule setting is avoided, and the video quality experience is also greatly improved while the configuration and debug time is saved.

The invention relates to a laser rotary-cut drilling device. The output end of a laser is provided with a beam expander; the output end of the beam expander is provided with a 45-degree total reflection mirror; the output end of the 45-degree total reflection mirror is provided with an optical rotation system; the optical rotation system comprises a first wedge prisma, a second wedge prisma, a third wedge prisma and a fourth wedge prisma; the first wedge prisma and the second wedge prisma have the same wedge angles; the first wedge prisma or the second wedge prisma is connected with a vertical straight-line motion mechanism; the third wedge prisma and the fourth wedge prisma have the same wedge angles; the third wedge prisma or the fourth wedge prisma is connected with a rotation mechanism; the output end of the optical rotation system is provided with a focus lens; and the focus lens is just opposite to a processing platform. The device is used for performing laser rotary-cut drilling on a workpiece, and can process straight holes, variable taper holes and irregular taper holes, so a laser drilling effect of variable sizes, controllable taper and smooth edges is achieved.