136results about How to "Solve complex technical problems" patented technology

The invention discloses an object processing method, an object processing device, a storage medium and an electronic device, wherein the method comprises the following steps: detecting a first targetgesture which is implemented within a first target area in a virtual scene displayed on a client side on the client side; in response to the first target gesture, displaying a second target area on the client side, wherein the second target area comprises a plurality of to-be-processed objects in the virtual object; detecting a second target gesture which is implemented on the first target objectin the plurality of to-be-processed objects on the client side; and in response to the second target gesture, using the first target gesture in the virtual scene, displaying the first target object ina third target area in the virtual scene, and hiding the second target area in the virtual scene. According to the invention, a technical problem in the related technologies that target objects are processed by complex processes can be solved.

The embodiment of the invention discloses a MySQL based SQL parser and a parsing method thereof.The technical problem that existing lexical and syntactic analysis tools do not support unique SQL statements of MySQL and cannot achieve the function of expanding the MySQL through annotations and accordingly the complexity of the data analysis process is caused is solved.The MySQL based SQL parser comprises a lexical analyzer, a syntactic analyzer and a syntactic tree analyzer, wherein the lexical analyzer conducts MySQL language lexical analysis on acquired character streams, outputs token flows corresponding to MySQL languages to the syntactic analyzer for syntactic segment analysis corresponding to the MySQL languages and outputs syntactic trees corresponding to syntactic segments to the syntactic tree analyzer for analysis.

The present invention discloses a processing method of interactive information, a device and a system. The method comprises the following steps that: a third-party authorization terminal is started to receive an authorization request provided by a data request terminal, the third-party authorization terminal generates an authorization information update command according to the authorization request, and the third-party authorization terminal updates the authorization information stored in a processing server to be that the data request terminal has an authorization request processing authorization according to the update command such that the data request terminal obtains a data request result corresponding to the data request information. According to the processing method, the device and the system, the technical problem of the complex process of the data processing request provided by an Internet terminal in the customized information prior art is solved.

The invention relates to a preparation method for high-purity boric acid and nuclear-grade high-purity boric acid, and belongs to the fine chemical engineering technology field. The method comprises the following technological steps: first, industrial boric acid is stirred with water, impurities of calcium, magnesium and sodium are removed, and high-purity boric acid precursors are obtained after solid-liquid separation; second, the high-purity boric acid precursors are dissolved in hot pure water and a boric acid solution containing H3BO3 with a concentration of 180g / L-280g / L is prepared, iron and heavy metal are subjected to depth removal by utilization of composite additives, then filtration, cooling crystallization, solid-liquid separation, washing and drying are carried out, and the high-purity boric acid product is obtained. The high-purity boric acid product is dissolved in pure water, recrystallization is carried out for 1-2 times, dehydration and drying are carried out, and the nuclear-grade high-purity boric acid product is obtained. Through the preparation method, the high-purity boric acid products with different grades can be obtained, and the preparation method is advantaged by simple technology, easy operation and control, good reappearance, low production cost, and environmental protection.

The invention relates to a cable accessory in the field of a power cable transmission system, in particular to an integral prefabricated joint for a power cable with 500kV and over 500kV. The integral prefabricated joint for the power cable with 500kV and over 500kV comprises an integral prefabricated insulator (1), a sealant (2), a metal protection cover (3) and a conductor connecting piece (4);the integral prefabricated insulator (1) is arranged outside the conductor connecting piece (4); the sealant (2) is arranged outside the integral prefabricated insulator (1); the metal protection cover (3) is arranged outside the sealant (2); the integral prefabricated insulator (1) comprises a stress cone (1-1), a shielding tube (1-2), an insulator (1-3) and an outer shield (1-4); and the integral prefabricated insulator (1) is made from liquid silicon rubber. The integral prefabricated joint has the advantages of stable and reliable performance, high yield, low integrated cost, simple manufacturing process, low manufacturing cost, and good product quality.

The invention belongs to the field of data processing, and discloses an SQL data real-time processing method and device based on Flink, computer equipment and a readable storage medium. The method comprises the steps of storing data input by a user in tidb through a client, then classifying SQL statements in an sql data table in an flink cluster to obtain classified SQL statements, and correspondingly packaging the classified SQL statements to generate a job operator; and the job operators are connected in series according to the logic of the SQL statement to generate an operator flow, and theoperator flow is submitted to a taskmanger for execution, so that real-time processing of SQL data is realized. By adopting the method to encapsulate the SQL statement, a user can replace writing ofa large number of Java codes with a small number of SQL codes, and the technical problem that in the prior art, implementation of SQL data processing through flink is complex is solved. The inventionfurther relates to a blockchain technology, and the data input by the user can be stored in the blockchain node.

The invention discloses an image rendering method and device, a storage medium and an electronic device. The method comprises the following steps of acquiring facial image data of a target object through an image acquisition device, and acquiring upper limb inertia data of the target object through an inertia sensor; determining a target action of the upper body of the target object in a real scene by using the facial image data and the upper limb inertia data, the real scene being a three-dimensional scene where the target object is actually located; and through an image rendering engine, rendering a picture, executing the target action, of the upper body of the virtual object in a virtual scene, the virtual scene being a three-dimensional scene rendered by the image rendering engine. According to the method and the device, the technical problem of relatively complex animation making operation in the related art is solved.

The invention discloses a method for measuring concentration of germanium or / and tin impurity in crystalline silicon, which comprises the following steps of: doping boron or phosphorus into a germanium or / and tin mother alloy; and determining the concentration of germanium or / and tin by measuring the resistivity of a silicon chip. According to the invention, the phosphorus or boron is doped into the germanium tin mother alloy, the relationship between the resistivity of mother alloy and the concentration of germanium tin impurity is established, and the concentration of the germanium tin impurity can be determined by measuring the resistivity of the mother alloy; and the method is simple and convenient to operate, solves the difficulty in detecting the concentration of current germanium tin mother alloy, reduces the production cost and improves the production efficiency.

The invention discloses a classification method and electronic equipment. The method comprises: determining one or more nodes in a network; acquiring communication information between any two nodes in the one or more nodes; constructing a connection graph corresponding to the one or more nodes based on the communication information between the any two nodes; determining the similarity between any two nodes in the one or more nodes based on the connection graph and the communication information between the any two nodes, and determining a similarity matrix; and performing spectral clustering on the similarity matrix by use of a spectral clustering algorithm to obtain a clustering result. The method provided by the invention can solve a technical problem of a complicated traffic classification method in the prior art.

The invention discloses an LED linear constant current soft start drive circuit comprising a rectification circuit, a work loop circuit, a constant current control circuit, a voltage detection circuit, a soft start circuit and an external control circuit. Very simple circuit design is adopted for solving a complex technical problem. The LED linear constant current soft start drive circuit is advantaged by simple circuit, EMI-free property, high constant current precision, capability of tolerating a large voltage fluctuation range, and the like; a temperature compensation control function, a soft start function and an external light modulation function are fulfilled; intelligent control and wireless Internet of Things connection of LED lamps can be conveniently realized; comprehensive properties of a driver are improved while costs are lowered greatly; a special-purpose integrated LED drive chip can be made, layout design is simplified, manufacture costs of an integrated circuit are greatly lowered, and functions and performance reach a grade which can only be achieved via complex circuit design.

The invention discloses an auto disturbance rejection control method and device for an aircraft. The method includes the following steps that: the operating parameters of the power portion of the aircraft are collected; the attitude dynamic model of the aircraft is generated according to the operating parameters; the attitude dynamic model is converted according to a preset control model, so thata state model can be obtained; an auto disturbance rejection controller is established according to the state model; and the flight attitude of the aircraft is controlled according to the auto disturbance rejection controller. With the auto disturbance rejection control method and device for the aircraft of the invention adopted, the technical problem of complicated parameter setting due to the need to adjust a plurality of parameters in a control technology for compensating uncertain factors in the prior art can be solved.

The invention discloses an object response method and an electronic device. The method comprises: displaying a first object identifier through a display screen of the electronic device, wherein the first object identifier is used for identifying a first interactive interface corresponding to the first object identifier; obtaining an input operation for the first object identifier through an inductor of the electronic device; judging whether the input operation belongs to a first predetermined operation or a second predetermined operation, and obtaining a judgment result, wherein the first predetermined operation is different from the second predetermined operation; and making a response to the input operation based on the judgment result.

The invention relates to the technical field of flat wire motor manufacturing, and provides a multi-layer head twisting device and a head twisting machine. The multi-layer head twisting device comprises a flat wire head twisting mechanism and a head twisting driving mechanism, the flat wire head twisting mechanism comprises a supporting shaft, head twisting wire coils, an adapter sleeve and a transmission rotating disc, and the multiple head twisting wire coils are sequentially and rotatably arranged at the top of the supporting shaft in a sleeving mode in the radial direction of the supporting shaft; the multiple adapter sleeves are sequentially and rotatably arranged in the middle of the supporting shaft in a sleeving mode in the radial direction of the supporting shaft, the multiple transmission rotary discs are sequentially and rotatably connected with the supporting shaft in a sleeving mode from bottom to top, and the torsion head driving mechanism comprises a supporting base, a first rotation driving piece and a lifting driving piece. The multiple first rotary driving pieces are sequentially installed on the supporting base in the circumferential direction of the flat wire twisting mechanism. The multi-layer head twisting device is reasonable in layout, small in occupied space and compact in structure, the technical problem that an existing head twisting device is complex in structure is solved, and therefore the size of the multi-layer head twisting device is reduced, and installation and maintenance of the multi-layer head twisting device are facilitated.

The invention discloses a data processing method and apparatus. The method comprises the steps of performing analysis operation on a JSON data structure to obtain a form page, wherein the JSON data structure is used for setting interface information; receiving configuration data through the form page, wherein the configuration data and the interface information have a correlation relationship; and storing the configuration data and the interface information in a memory object cache system, wherein the configuration data and the interface information are stored according to the correlation relationship. The technical problem of a complex process of storing running data is solved.

The invention discloses a data processing method, device and system in a distributed storage system. The method comprises the steps that a data reading request is generated, and parameters of the datareading request carry offset and length of read data; according to the data reading request, metadata of the file are obtained from a cache of an output stream of the file in the distributed storagesystem, and the metadata of the file at least comprise the current length of the file; and reading data from the file according to the obtained current length of the file. The technical problem that the complexity of a user program process is increased due to the fact that a user needs to process an event of reading the end of a file and reopen the file to obtain an input stream is solved.

The invention discloses a battery case. The battery case comprises a bottom housing, a battery box and a top cover, wherein the bottom housing comprises a side plate of the bottom housing and a bottomplate of the bottom housing; a fan is arranged on the side plate; the battery box is fixed in the bottom housing; the battery box is used for placing a battery module; a heat-dissipating air flue isarranged on the battery box; the fan sucks heat in the battery box through the heat-dissipating air flue; and the top cover covers the battery box and is used for sealing the battery box. The technical problem that the existing battery case has a complex heat-dissipating system is solved.

The embodiment of the invention provides a database log synchronization method and device, computer equipment and a readable storage medium. The method comprises the steps of simulating a slave node of a MySQL through a pseudo slave node synchronization service, and extracting a binlog from the MySQL; storing the extracted binlog in a storage module of a processing engine through the pseudo slavenode synchronization service; and reading the binlog log from the storage module through an analysis service, analyzing the binlog log, and storing an analysis result into the target storage. According to the scheme, the whole binlog synchronization process of the MySQL can be completed in the processing engine through a program; extra components such as a third-party synchronization tool, a message queue or JMQ are prevented from being introduced, and meanwhile, multi-party component cooperation can be avoided in the binlog synchronization process of the MySQL; and the processing flow can besimplified.

The invention relates to a preparation method for nuclear-grade high-purity boric acid, which belongs to the technical field of fine chemical engineering. The method comprises the following process steps: 1) leaching an ascharite raw material with water so as to remove water-soluble impurities sodium and potassium, thereby obtaining low-sodium ascharite with Na2O content of less than 0.6%; 2) further leaching the low-sodium ascharite with sulfuric acid or hydrochloric acid, adding a composite additive for in-depth iron removal and carrying out filtration and cooling crystallization so as to obtain low-iron low-sodium boric acid; and 3) dissolving low-iron low-sodium boric acid in pure water and carrying out recrystallization twice to three times so as to obtain a nuclear-grade high-purity boric acid product. The method provided by the invention can prepare the nuclear-grade high-purity boric acid with ascharite as the raw material and has the advantages of simple process, easy operation and control, good reproducibility, no addition of organic reagents during preparation, low production cost and environment friendliness.

The invention discloses a log collection method and a device. The method comprises the following steps: determining that the log collection mode of the node for log collection is a real-time collection mode or a timing collection mode according to a certain period, wherein, the node is a node in a distributed system for log collection; according to the determined log collection mode, log collection is carried out on multiple log files of nodes, among which, the nodes are multiple, and the log collection of different nodes is independent of each other; sending the collected log file to the relay module, and sending the received log file to the collection module by the relay module. The collecting module receives the log file, collects the log file, and sends the collected log file to the processing module by the collecting module. The processing module receives the log file and processes it. The invention solves the technical problem that the acquisition system in the related art is very complex.

The invention discloses a method for determining a q-axis current compensation value of a permanent magnet synchronous motor and a pulsation suppression method. The method comprises the following steps: synchronously acquiring a q-axis current feedback signal iq and a rotor position signal theta m, determining a position interval of a rotor based on the theta m, accumulating the interval times by1 and performing synchronous averaging on the iq, and repeatedly acquiring until the accumulated value of the interval times is greater than a threshold value and all the intervals are not overlappedto form a circle of the rotor; performing fast Fourier transform on the synchronous average value corresponding to each interval arranged in sequence to obtain frequency domain characteristic information, determining the amplitude and the phase angle of a to-be-compensated spatial frequency component from the frequency characteristic information, and constructing a q-axis current compensation function; and obtaining a q-axis current compensation value based on the position of the actual compensation moment of the motor rotor and the current compensation function. Time domain information is converted into a space domain, time lag is avoided, the whole process does not affect the dynamic performance of the system, extra devices are not needed, structures and parameters of all control links do not need to be adjusted, and operation is easy.

The invention discloses a router login method and device. The method comprises the steps of receiving a login request for logging in to a router, wherein the login request comprises account information of a browser; searching the prestored login information for target login information matched with the account information, wherein the prestored login information comprises an incidence relation between the account information of the browser and the target login information; logging into the router according to the target login information. The router login method and device solves the technical problem that existing router login modes are complex.

The present invention provides a terminal screen display switching method and apparatus. The method comprises: acquiring a fingerprint of a user who currently performs an operation on a terminal; determining whether the acquired fingerprint is a left-hand fingerprint or a right-hand fingerprint; when the fingerprint is the left-hand fingerprint, switching screen display of the terminal into a single left-hand operating mode; and when the fingerprint is the right-hand fingerprint, switching screen display of the terminal into a single right-hand operating mode. The method and apparatus provided by the present invention solve the technical problem that switching to a single-hand operating mode is excessively complex in the prior art, and achieves the technical effect of simply and effectively switching to the single-hand operating mode.

The invention relates to a cable accessory in the field of power cable transmission systems, in particular to a 500kV and more power cable outdoor terminal. The terminal comprises a sleeve (1), an insulating agent (2), a stress cone (3), an epoxy sleeve (4) and a spring compression mechanism (5) and further comprises outlet hardware (6), an upper cover board (7), a lower bottom plate (8) and a tail pipe (9). The stress cone (3) is arranged in the sleeve (1). The epoxy sleeve (4) is sleeved outside the stress cone (3). The spring compression mechanism (5) is arranged under the stress cone (3).The stress cone (3) is made of liquid silicon rubber. The terminal disclosed by the invention has the advantages of has steady and reliable performance, high yield, low integrated cost; simple manufacture process, easiness manufacture and low manufacture cost; and more excellent process mouldability and low required forming pressure because before the liquid silicon rubber has lower viscosity andbetter liquidity being vulcanized; and good product quality.

The invention discloses a log information processing method, system and device. The method comprises the steps that a log collection program reads first log information from a log source, and the logcollection program runs on a terminal; the log collection program adds storage attribute information in the first log information to obtain second log information, wherein the storage attribute information is used for recording attributes of the first log information; the log collection program writes the second log information into an information queue according to the storage attribute information, wherein the information queue is recorded on a server, and the server is used for storing logs in the information queue. By means of the log information processing method, system and device, the technical problem of complex collection of the log information is solved.

The invention discloses a password initializing method and an electronic device. The method is applied to the electronic device which comprises a basic input output system. The method includes that when the electronic device is started at a first moment and a first set operation is detected, the first set operation is responded to, a first starting parameter and a server address are set in the basic input output system, and thereby, when the electronic device is started at a second moment after the first moment, a first instruction is generated; the first instruction is executed, an universally unique identifier (UUID) of the electronic device is sent to a server which corresponds to the server address on the basis of the server address, and therefore, the server can send a first initialized password to the electronic device on the basis of the UUID; the first initialized password is received, and the first initialized password is written in the basic input output system.

The invention discloses a function calling method for simplifying an operation process. The function calling method comprises the following steps of: detecting whether an operation body exists in a preset area of the environment of electronic equipment; when the operation body exists, acquiring first image information including the operation body; detecting a first operation of the operation body towards a first operation direction; responding to the first operation, and according to a first model corresponding to the first image information, determining and calling a first function corresponding to the first operation direction, wherein the first model is used for representing the corresponding relation between the operation direction and the function. The invention also discloses the electronic equipment for realizing the method.

Embodiments of the invention relates to the technical field of logistics, in particular to an express cabinet and an express system. The express cabinet comprises a master lock control board, a secondary lock control board, and a cabinet body. The master lock control board and the secondary lock control board are in wireless connection; the cabinet body comprises a main cabinet and a secondary cabinet; and the master lock control board is used for controlling the main cabinet to be opened to store or take out articles, and the secondary lock control board is used for controlling the secondarycabinet to be opened to store or take out articles. According to the express cabinet and the express system, circuit is simplified.