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52results about How to "Improve loading rate" patented technology

Data synchronous loading method based on database log

The invention discloses a data synchronous loading method based on a database log. The method includes the steps that a data synchronous loading system is provided, wherein the system comprises a log streaming data analysis module, a data sending module, a data receiving and caching module, a data adaptation and recovery module and a data loading module, the log streaming data analysis module and the data sending module are arranged in a source-side database, the data receiving and caching module, the data adaptation and recovery module and the data loading module are arranged in a target-side database, the log streaming data analysis module is connected with the data sending module, the data sending module is connected with the data receiving and caching module, and the data receiving and caching module is connected with the data adaptation and recovery module and the data loading module; a log file generated in the database operation process is analyzed to obtain data operation motion, then data is sent to the target side in a network sending mode, and a corresponding analysis mode is selected to load the data according to the type of the target-side database. Thus, the purpose of different-database backup is achieved, the influence on a service system in the database backup process is effectively reduced, the flexibility of data backup is improved, and the reliability and consistency of the loaded data are improved.
Owner:CHINA REALTIME DATABASE

Energy-saving type quick start method for supercritical unit or ultra-supercritical unit

The invention discloses an energy-saving type quick start method for a supercritical unit or an ultra-supercritical unit. According to the method, steam from another resource is used for heating supplied water so that a boiler can be indirectly heated, and the thermal stress of a heated surface is reduced when the boiler is started so that the heating rate of the boiler can be improved; meanwhile, the heated high-temperature supplied water is converted into steam-liquid two-phase flow through throttling and pressure reduction, the flowing scouring action of the steam-liquid two-phase flow is far superior to the effect of thermal-state washing, and in other words, the boiler can complete thermal-state washing under the non-ignition condition, and can preheat the whole heated surface before ignition till certain pressure is reached. After ignition of the boiler, due to the fact that enthalpy of subcooling on an inlet of a water wall is eliminated, the problem of water power can be readily solved and the input speed of fuel can be increased. Meanwhile, by adjusting the open degree of a turbine bypass valve, the flow, the temperature rising speed and the pressure rising speed of main stream and reheat steam are controlled, and the temperature rising speed of the heated surface of the boiler is increased; when the temperature of the main steam and the temperature of the reheat steam are larger than the temperature of a turbine heating valve, valve heating is started, and a main machine can early satisfy the impulse starting condition.
Owner:冯伟忠

Multi-stage vehicle-cargo matching method considering three-dimensional loading constraint

The invention discloses a multi-stage vehicle-cargo matching method considering three-dimensional loading constraint which aims to automatically and intelligently distribute inter-city orders in the field of logistics. The invention provides a feasible scheme which is divided into four stages to match the vehicles and the cargos, wherein the first stage is a loading stage, and each client is boxedindependently, so that the client requirement is replaced by the carriage occupation length; the second stage is a client request merging stage, the similarity between the clients with the strip filling rate not reaching the threshold value is calculated, and the two clients with the large similarity are merged into a client group; the third stage is a vehicle path optimization stage, the lengthof the carriage occupied by each client or after the client assembles the box serves as the requirement of each client, and vehicle path optimization is carried out; and the fourth stage is an in-pathloading integration stage, boxing is carried out according to the reverse sequence of the optimized paths, and therefore a final boxing and path scheme is obtained. According to the present invention, the carriage loading utilization rate and the overall loading rate of the vehicle type are increased.
Owner:SOUTH CHINA UNIV OF TECH

Territory site displaying method and related devices

The embodiment of the invention discloses a territory site displaying method and related devices and is used for reducing real-time calculation needing to be carried out when a map data storage server obtains territory site information in a statistic region, accelerating a data loading process, reducing the waiting time of a client and improving the man-machine interaction performance. The method provided by the embodiment of the invention comprises the steps that a logic server receives a first information pull request sent by a client device, wherein the first information pull request comprises a current map scaling on the client device and current position coordinate information of the client device; determining the statistic region of which territory site information needs to be pulled according to the current position coordinate information of the client device; selecting a matched map specification from N sets of different map specifications according to the map scaling; and sending a second information pull request to a map data storage server, wherein the second information pull request comprises the statistic region and the matched map specification, and the map data storage server reads the territory site information in the statistic region according to the matched map specification.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Music file conversion and playing method and device, computer device and storage medium

The invention is applicable to the field of computers, and provides a music file conversion and playing method, which comprises the following steps of: receiving a music file; obtaining music information in the music file; reordering the music information according to an absolute time point sequence; determining note information according to the rearranged music information; and writing the note information and the music information combination into a database to form a music file. The embodiment of the invention provides a music conversion method. The acquired music information is reordered according to the absolute time point; obtaining note information containing time axis information, therefore, the converted music file is associated with the time axis. Through the technical scheme, when the music file is played, the music information can be directly exported to generate the stave, the loading rate is higher. Meanwhile, the cursor is displayed at the corresponding position of the stave according to the music playing time and the note information, complex data processing is not needed in the synchronization process, the synchronization delay is reduced, and the synchronization effect is effectively improved.
Owner:SHANGHAI CONSERVATORY OF MUSIC

Energy-saving type quick start method for supercritical unit or ultra-supercritical unit

The invention discloses an energy-saving type quick start method for a supercritical unit or an ultra-supercritical unit. According to the method, steam from another resource is used for heating supplied water so that a boiler can be indirectly heated, and the thermal stress of a heated surface is reduced when the boiler is started so that the heating rate of the boiler can be improved; meanwhile, the heated high-temperature supplied water is converted into steam-liquid two-phase flow through throttling and pressure reduction, the flowing scouring action of the steam-liquid two-phase flow is far superior to the effect of thermal-state washing, and in other words, the boiler can complete thermal-state washing under the non-ignition condition, and can preheat the whole heated surface before ignition till certain pressure is reached. After ignition of the boiler, due to the fact that enthalpy of subcooling on an inlet of a water wall is eliminated, the problem of water power can be readily solved and the input speed of fuel can be increased. Meanwhile, by adjusting the open degree of a turbine bypass valve, the flow, the temperature rising speed and the pressure rising speed of main stream and reheat steam are controlled, and the temperature rising speed of the heated surface of the boiler is increased; when the temperature of the main steam and the temperature of the reheat steam are larger than the temperature of a turbine heating valve, valve heating is started, and a main machine can early satisfy the impulse starting condition.
Owner:冯伟忠

Simulation testing device and method for bituminous pavement pore water pressure

The invention discloses a simulation testing device and method for bituminous pavement pore water pressure. The device comprises a bituminous concrete sample, an open container and a pressure container, wherein the bituminous concrete sample and the open container are located in the pressure container, the portion between the bottom of the bituminous concrete sample and the opening annular portion of the open container is filled with a bonding agent, the side wall of the bituminous concrete sample is coated with the bonding agent, a first pressure sensor used for measuring outer water pressure of the bituminous concrete sample and a second pressure sensor used for measuring bottom water pressure of the bituminous concrete sample are arranged on the side wall of the open container. The method includes the steps that after the prepared bituminous concrete sample and the open container are placed in the pressure container, the pressure sensors, a piston and a seal pressure container are installed, a control flow path is selected to start testing, and data of the pressure sensors is collected. Directional movement of pore water is achieved through the device, and the response regularity of dynamically-changed bituminous concrete pore water pressure under the external water pressure action can be tested.
Owner:广州市和富市政工程有限公司

Asphalt pavement pore water pressure simulation test device and method

The invention discloses a simulation testing device and method for bituminous pavement pore water pressure. The device comprises a bituminous concrete sample, an open container and a pressure container, wherein the bituminous concrete sample and the open container are located in the pressure container, the portion between the bottom of the bituminous concrete sample and the opening annular portion of the open container is filled with a bonding agent, the side wall of the bituminous concrete sample is coated with the bonding agent, a first pressure sensor used for measuring outer water pressure of the bituminous concrete sample and a second pressure sensor used for measuring bottom water pressure of the bituminous concrete sample are arranged on the side wall of the open container. The method includes the steps that after the prepared bituminous concrete sample and the open container are placed in the pressure container, the pressure sensors, a piston and a seal pressure container are installed, a control flow path is selected to start testing, and data of the pressure sensors is collected. Directional movement of pore water is achieved through the device, and the response regularity of dynamically-changed bituminous concrete pore water pressure under the external water pressure action can be tested.
Owner:广州市和富市政工程有限公司
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