42results about How to "Improve migration efficiency" patented technology

The application discloses a data migration processing method and system in a data center. The method comprises the following steps: determining a migration task containing to-be-migrated data, network topology, a target terminal and a processing task; evaluating a transmission time according to the migration task, and entering a migration optimization mode if the transmission time is predicted to exceed a time limit; dividing processing subtasks based on the network topology in the migration task and distributing the processing subtasks to intermediate link devices by the target terminal; intercepting the to-be-migrated data flowing through by the intermediate link devices and processing the to-be-migrated data according to the subtasks, and returning results; and receiving and merging the processing results by the target terminal. According to the judgment of the to-be-migrated data and the actual situation of the network topology in the data migration task, the processing task is divided into multiple subtasks and sent to the network topology for distributed execution of data processing, so that the data is processed while being transmitted, the data migration amount and the total time consumption are significantly reduced, the migration efficiency is improved, and the centralized processing load on the target terminal is reduced.

The disclosure provides a configurable data migration method, device, equipment and medium, relating to the technical field of computer and the technical field of data processing. The method comprises: obtaining configuration information of to-be-migrated data by calling an interface of a rule configuration device, wherein the configuration information comprises data storage location information, data verification information and data loading information; generating a data migration workflow based on the configuration information of the to-be-migrated data by using a control scheduling device, wherein the data migration workflow at least comprises definitions of a plurality of migration steps and scheduling sequences between the plurality of migration steps; and migrating the to-be-migrated data from a source system to a target system according to the data migration workflow.

This utility model relates to the field of river management technology and discloses a movable micro ecological floating island, including a floating bed. Multiple planting tubes are movably connected vertically through the interior of the floating bed. A retaining ring is fixedly fitted onto the outside of each planting tube above the floating bed. Clamping mechanisms are provided on both the front and rear sides of the planting tubes on the upper surface of the floating bed. Positioning mechanisms are provided at the four corners of the upper surface of the floating bed. This utility model utilizes a pawl and ratchet locking design. After the positioning anchor sinks to the bottom of the water under gravity, releasing the pawl enables one-way self-locking of the rocker arm, effectively preventing the positioning rope from loosening and ensuring that the floating bed does not shift under water flow or wind force, ensuring stable and reliable positioning. Simultaneously, when moving the floating island, simply turning the rocker arm clockwise quickly retracts the positioning rope and anchor, making operation simple and quick, significantly improving the efficiency of floating island position adjustment and relocation.

This invention provides a double-defect type Bi 12 O 17 This paper describes the preparation method and application of Bi2 ultrathin nanosheet photocatalysts, belonging to the field of photocatalytic materials technology. The preparation method is as follows: Bi2 is prepared by reacting a strong base with BiCl3 under ultrasonic assistance. 12 O 17 Cl2 ultrathin nanosheet precursor; then the precursor is mixed with sodium borohydride and a sulfur source and ground to obtain the target catalyst. In Bi 12 O 17 Sulfur doping and oxygen vacancies are simultaneously introduced into Cl2 ultrathin nanosheets to construct a doped-vacancy dual-defect system. By comprehensively utilizing the synergistic enhancement effect of the dual defects, the bottleneck of single-defect modification is overcome, thereby achieving a comprehensive improvement in photocatalytic performance (light capture, charge separation, surface reaction, and stability). This invention features a simple process, low requirements for preparation conditions, and is easily achievable for mass production, demonstrating high practical value and application prospects.

The application discloses a kind of composite multifunctional lithium metal negative and its preparation method and application, it is related to lithium ion battery technical field.The preparation method of a kind of composite multifunctional lithium metal negative includes the following steps: lithiumophilic nanoparticle is added to N-methyl pyrrolidone solution, is fully dispersed and is coated on copper foil dry, obtain lithiumophilic nanoparticle layer;Lithium negative electrode surface is cleaned and preheating treatment;Lithiumophilic nanoparticle layer is transferred to lithium foil;Lithium foil is evaporated, and thin film is deposited on the surface of lithium foil base bed;Lithium foil after evaporation is cooled and solidified, and composite multifunctional lithium metal negative is obtained.The application solves the problem that lithium deposition is not uniform, causes dendrite growth, interface side reaction triggers irreversible loss, the structure performance of existing SEI layer is insufficient and material interface bonding force is weak.

The invention relates to the technical field of photocatalysts, in particular to a nonmetal plasmon heterojunction material, a preparation method and application thereof and a method for preparing p-aminophenol through reduction of p-nitrophenol. The nonmetal plasmon heterojunction material provided by the invention comprises a C3N4 nanosheet and a WO3-x nanoplate (x is 0.1 to 0.3) positioned on the surface of the C3N4 nanosheet. The WO3-x local surface plasmon characteristic can effectively expand the spectral response range of the non-metal plasmon heterojunction material in a visible region to a near-infrared region, and the light absorption efficiency of the non-metal plasmon heterojunction material is remarkably enhanced. The nonmetal plasmon heterojunction material provided by the invention can realize efficient reduction of p-nitrophenol based on the synergistic effect of an interface heterojunction, a built-in electric field and oxygen vacancies, is high in selectivity, has excellent photocatalytic activity for reduction of p-nitrophenol, and is excellent in photocatalytic activity stability.

The application relates to a fluorinated two-dimensional inorganic nanofiller reinforced PEO-based solid-state polymer electrolyte and a preparation method and application thereof, and comprises the following steps: S1, obtaining fluorinated two-dimensional inorganic nanofillers by treating two-dimensional inorganic materials with a mixed gas of fluorine and nitrogen; S2, dissolving polyethylene oxide and a lithium salt in a polar solvent, then adding the fluorinated two-dimensional inorganic nanofillers obtained in the step S1, mixing, and obtaining a uniform mixed polymer solution; and S3, pouring the mixed polymer solution obtained in the step S2 on a polytetrafluoroethylene mold, vacuum drying, and obtaining the PEO-based solid-state polymer electrolyte. Compared with the prior art, the preparation process is simple and easy to operate, the ionic conductivity of the polymer electrolyte based on the fluorinated two-dimensional inorganic nanofillers can be improved, the electrochemical stability window can be widened, and the interface stability between the electrolyte and a lithium metal electrode can be improved.

Embodiments of the present application provide a virtual machine storage space migration method and device, a storage medium and an electronic device, wherein the virtual machine storage space migration method comprises: in the case that each virtual machine in a first group of virtual machines has the same shared storage space, obtaining a first virtual machine in the first group of virtual machines that currently has the largest running load; transferring services on each virtual machine in a second group of virtual machines to the first virtual machine, modifying the shared permission of the first group of shared storage spaces to be prohibited from being shared by the first group of virtual machines, obtaining a first group of non-shared storage spaces, and migrating the first non-shared storage space of the first virtual machine and the first group of non-shared storage spaces; in the case that the migration of the first non-shared storage space and the first group of non-shared storage spaces is completed, migrating the non-shared storage space of each virtual machine in the second group of virtual machines.

The application discloses a transformer equipment fault diagnosis method, system, device and medium, relates to the electric power equipment detection technical field, and the method comprises the following steps: integrating various operation fault cases of transformer equipment, constructing an initial question and answer pair sample set and inputting a preset large model for training, introducing a preset dynamic knowledge extractor to perform text entity extraction on the initial question and answer pair sample set during the training process, and generating an equipment fault atlas; converting the equipment fault atlas vector and inputting it into an attention layer reconstructed by rotation position coding to capture the equipment coupling relationship; performing parameter fine-tuning optimization on the output result of the attention layer and iterating the training process to obtain a trained fault diagnosis large model; and collecting the operation data of the transformer equipment in real time and inputting the fault diagnosis large model to generate a high-precision fault diagnosis result and a maintenance strategy.

The application provides a data migration method, device and equipment and a storage medium, relates to the technical field of finance, and comprises the following steps: acquiring a source file in a first database and a database type of the first database; determining an input parser according to the database type, wherein the input parser is used for parsing the source file into a key-value pair according to a preset input template and storing the key-value pair into a structured list; acquiring the structured list and inputting the structured list into an output parser; the output parser is used for assembling the key-value pair in the structured list into a to-be-migrated file according to a preset output template; acquiring the to-be-migrated file; and importing the to-be-migrated file into a second database, wherein the second database is a heterogeneous database with the first database. The technical scheme solves the script compatibility problem between the heterogeneous databases, does not need manual modification of the script format, and improves the data migration efficiency.

This invention relates to a method for preparing double perovskite La2CoFeO6 and its application in degrading odorous pollutants, comprising the following steps: dissolving La(NO3)3·6H2O, Co(NO3)2·6H2O, and Fe(NO3)3·9H2O in a mixed solution of deionized water and ethylene glycol or deionized water and citric acid, adjusting the pH, and then mixing thoroughly; placing them separately in a high-pressure reactor and heating or evaporating the moisture and drying in an oven to obtain precursor powder or dry gel; then calcining at high temperature and cooling to obtain double perovskite La2CoFeO6 powder. The R3c phase La2CoFeO6 material provided in this application, by combining crystal structure regulation with oxygen vacancy defect engineering, establishes a synergistic enhancement mechanism of "structure optimization + defect regulation" for double perovskite materials, significantly improving the photoresponse capability and catalytic performance of the material, providing a new technical path and material design idea for the design of subsequent high-performance photocatalysts for odor pollution control.

The invention relates to the technical field of computer software, in particular to a migration and performance enhancement automation method based on a front-end system and related equipment. The method comprises the following steps: performing identification and path extraction on a dynamic import statement according to an abstract syntax tree library or a regular expression, and performing file existence verification to obtain a path validity result; performing case correction and extension complementation on the dynamic import path based on a path validity result, and rewriting the source code to obtain a repaired source code file; key time sequence nodes and memory use conditions in the front-end construction process are collected, and performance monitoring data are obtained; performing hash comparison on the construction command to obtain a verification result; and carrying out aggregation migration on the verification result and the repair log to obtain a complete migration report. According to the method, the construction starting efficiency can be remarkably improved, the migration and debugging cost is reduced, paths, styles and key names are unified and standardized, the consistency of construction products is guaranteed, and traceable migration reports and extension plans are provided.

The present disclosure provides a heterogeneous database function classification and heterogeneous database migration method, which can be applied to the field of information security technology. The method comprises the following steps: obtaining a source database function set and a target database function set, the source database function set comprising a plurality of source library functions, the source library function comprising a source library function name, the target database function set comprising a plurality of target library functions, the target library function comprising a target library function name; calculating the similarity of the plurality of source library function names and the plurality of target library function names through a word vector to obtain a function name mapping relationship; obtaining an input parameter; based on the input parameter, executing the plurality of source library functions and the plurality of target library functions that exist in the function name mapping relationship to obtain an output parameter; and based on the difference of the output parameter, outputting a function classification of the source library function, the function classification at least comprising a direct migration category. The present disclosure also provides a heterogeneous database function classification and heterogeneous database migration device, equipment, a storage medium and a program product.

The invention relates to the technical field of security protection, is suitable for the financial field, and provides a risk assessment method for a system migration associated party, and the method comprises the steps: obtaining traffic information; based on the flow information, determining an IP address pair of bidirectional communication of the to-be-migrated system within a specified time period and first attribute information of the IP address pair; performing clustering processing on all the IP address pairs based on the first attribute information to obtain a plurality of IP address pair clusters, and extracting second attribute information of each IP address pair cluster for each IP address pair cluster; selecting a target cluster of which the second attribute information meets a predetermined high-frequency access condition from the plurality of IP address pair clusters; for each IP address in the target cluster, determining the risk degree of the IP address through a predetermined risk assessment strategy; and determining the risk level of the IP address according to the risk level corresponding to the risk degree. According to the scheme, automatic and accurate identification and evaluation of the system migration associated parties and the potential risks thereof are realized.

This invention provides a multifunctional bipolar membrane electrodialysis device, belonging to the technical field of electrodialysis separation equipment. The multifunctional bipolar membrane electrodialysis device includes a working chamber, a stacked membrane assembly, a brine storage tank, an acid storage tank, an alkali storage tank, an electrode liquid storage tank, and four peristaltic pumps. The four peristaltic pumps are fixed inside the working chamber, and the stacked membrane assembly is fixed at the front end of the working chamber. The left electrode chamber frame plate, acid chamber frame plate, brine chamber frame plate, alkali chamber frame plate, and right electrode chamber frame plate are all square flat plates with flow channels formed between the inlet and outlet channels. The flow channels contain horizontally staggered guide plates, each with a row of serrations on its lower surface. The horizontally staggered guide plates combined with the serrated flow disturbance structure in the flow channels force solution agitation and diffusion, prolonging the flow time of the solution within the flow channels, covering the entire membrane surface, eliminating dead zones and short-circuit flow, and significantly improving ion migration efficiency and current efficiency.

The invention belongs to the technical field of environmental engineering, and particularly relates to a contaminated soil micro-foam leaching device and method based on the ATP forming principle, a supporting table is fixedly provided with a large crossed roller bearing, the large crossed roller bearing is provided with three high-frequency vibration tables, the three high-frequency vibration tables are each provided with a reaction tank, and the reaction tanks are arranged on the supporting table; the three reaction tanks are sequentially arranged in a clockwise mode to be a filling station, a leaching station and a discharging station, a discharging component is arranged on the filling station, a micro-foam generating module is arranged on one side of the leaching station and arranged on a supporting table, an anti-leakage collecting barrel is arranged below the discharging station, and a discharging component is arranged on the discharging station. The technical scheme is innovated from the aspect of mass transfer principle, continuous physical conveying of soil can be achieved, targeted transfer of pollutants from the soil to a leaching medium can be actively driven through an ATP bionic mechanism, and three core challenges of mass transfer efficiency, operation cost and secondary pollution are systematically solved.

This application discloses a customer identification method, apparatus, and electronic device based on extreme domain adaptation. The method includes: acquiring first customer data corresponding to a first billing period and acquiring second customer data corresponding to a second billing period; wherein the first billing period is prior to the second billing period; constructing a target migration matrix based on Extreme Learning Machine (ELM), and updating the parameters of the target migration matrix according to the first and second customer data; acquiring third customer data corresponding to the second billing period, and determining the customer identification result corresponding to the third customer data through the parameter-updated target migration matrix. Implementing this application embodiment can improve the migration efficiency between customer identification models for new and old billing periods based on Extreme Learning Machine (ELM), thereby effectively and reliably achieving domain adaptation of the new model migrated and constructed under the new billing period, which is beneficial to improving the accuracy of customer identification based on the new model.

Embodiments of the present application provide a SQL statement conversion method, device and equipment, relating to the technical field of big data, to improve the reliability of a target SQL statement and thus improve the accuracy of a target calculation result. The method comprises: converting a source SQL statement into an initial target SQL statement, obtaining a source calculation result obtained by calculating a data source using the source SQL statement on a source calculation engine, and obtaining an initial target calculation result obtained by calculating the data source using the initial target SQL statement on a target calculation engine; performing line matching and field matching on the source calculation result and the initial target calculation result to obtain a target matching value and a difference report between the source calculation result and the initial target calculation result, and determining a detection result of the initial target SQL statement based on the target matching value and a first matching threshold; and when the detection result indicates that the initial target SQL statement fails to pass the detection, generating a new target SQL statement based on the difference report, the source SQL statement and the initial target SQL statement.

Embodiments of the present application relate to the technical field of warehouse management, and provide a warehouse automation conversion and migration method, device, computer equipment and storage medium from multi-warehouse management to single-warehouse management, which comprises: performing file and directory configuration; moving the multi-warehouse management directory of the warehouse to be converted to a first staging directory, deleting all single-warehouse management directories and single-warehouse ignore files in the warehouse to be converted; copying a second ignore file to the root directory of the warehouse to be converted, and copying a first ignore file to all empty directories of the warehouse to be converted; copying the second staging directory to the root directory of the warehouse to be converted, and performing a first warehouse submission operation; moving the multi-warehouse management directory temporarily stored in the first staging directory back to the root directory of the warehouse to be converted, and performing a multi-warehouse management update operation; and performing a second warehouse submission operation. The implementation of the method improves the conversion processing efficiency of the warehouse and improves the management effect of the warehouse.

The application discloses a data migration method, device and program product. It relates to the field of distributed or financial technology, and comprises the following steps: marking a data slot of to-be-migrated data in a source cluster to obtain a marked data slot; intercepting a write operation on the marked data slot and converting the write operation into a structured log to obtain a target log; adding the target log to a target queue and performing a playback operation on the write operation in a target cluster based on the target queue to obtain an updated target cluster, wherein the playback operation is used for writing data associated with the write operation into the target cluster; detecting whether the source cluster and the updated target cluster meet a traffic switching condition to obtain a detection result; and migrating access traffic from the source cluster to the updated target cluster when the detection result indicates that the source cluster and the updated target cluster meet the traffic switching condition. Through the application, the problem of high downtime risk in cluster migration by using a migration tool in the related art is solved.

The present disclosure provides a dirty page migration method, a dirty page migration device, an electronic device, a medium and a product, and belongs to the technical field of virtual machines. The method comprises: obtaining task execution data of a source virtual machine, the task execution data being used to represent information of a target task currently executed by the source virtual machine; performing storage access prediction on the task execution data to obtain storage access prediction data of the source virtual machine; determining storage page transmission priorities according to the storage access prediction data, the storage page transmission priorities being used to represent transmission priorities of each storage page in the source virtual machine; and migrating a plurality of storage pages of the source virtual machine to a target virtual machine based on the storage page transmission priorities. The embodiments of the present disclosure can reduce repeated transmission of dirty data, reduce network overhead, and improve migration efficiency.

The invention belongs to the technical field of software communication, and relates to an SCA model automatic migration method and terminal.The complete structure information of a to-be-migrated old version model is automatically loaded and analyzed through a model analyzer, then elements are automatically replaced by a mapping engine according to a preset mapping rule, a dependency relationship is rebuilt, and external reference is recorded; the method comprises the following steps of: firstly, distributing unique identifiers for new and old version models and recording change information through a version controller to realize visual tracking of change content, time and range, and finally, sequentially executing new version SCA grammar rule verification and UML grammar semantic verification through a verifier after the models are generated, so as to realize visual tracking of the change content, time and range. According to the method, the compatibility problem is found and fed back in time, a large amount of subsequent debugging work caused by lack of systematic verification in a traditional method is avoided, automation, process and standardization of SCA model migration are integrally achieved, migration efficiency and reliability are remarkably improved, and meanwhile version management experience is optimized.

This invention discloses a method for preparing a ferromagnetic single-atom piezoelectric catalyst, the piezoelectric catalyst itself, and its application. The preparation method includes the following steps: weighing ammonium molybdate tetrahydrate and thioacetamide, dissolving them in ultrapure water, and stirring until a colorless and transparent solution is obtained; then adding nickel acetate tetrahydrate, continuing stirring, transferring the mixed solution to a high-pressure reactor, washing after the reaction, and drying to obtain the reaction product; spreading the reaction product evenly in a quartz boat, and finally calcining the reaction product at high temperature under a nitrogen atmosphere, and cooling to successfully prepare the Ni-MoS2 ferromagnetic single-atom piezoelectric catalyst. The piezoelectric catalyst prepared by this invention has good piezoelectric catalytic performance and can achieve high organophosphorus degradation efficiency in the treatment of phenylphosphonic acid wastewater.

The application provides a data migration method and device, electronic equipment and readable storage medium. The application analyzes parameter data to be parsed sent by a business system to obtain data migration information required for migrating data to be migrated in a source database associated with the business system to a target database; creates a target data external table for writing the data to be migrated and a pipeline file for implementing field type conversion of the data to be migrated in the target database with reference to the data migration information, and associates the target data external table with the pipeline file; uses a database query statement of the source database to obtain the data to be migrated from the source database; and converts the data to be migrated into target migration data by using the pipeline file according to a data storage format of the target database, and records the target migration data in the target data external table. In this way, the conversion and migration of the data to be migrated can be implemented without exporting the data to be migrated, and the data migration efficiency between different databases is improved.

This invention relates to the field of spatial transcriptomics technology and provides a few-sample spatial transcriptomics cell annotation system and method based on graph cue learning, comprising: a preprocessing module; a graph construction module, which constructs spatial adjacency relationships based on cell spatial coordinates and constrains or weights graph connectivity relationships by combining inter-cell transcriptomics expression similarity; a graph representation learning module, which learns discriminative cell embedding representations from the cell graph structure under unsupervised or weakly supervised conditions; a cue fine-tuning module, which injects the category information contained in a small number of labeled samples into a pre-trained graph representation model in the downstream cell type annotation task; and a cell type prediction module, which completes cell type annotation based on a small number of labeled samples. This invention can fully integrate gene expression information and multi-source spatial relationships under conditions of very few labeled samples to construct highly discriminative cell representations, achieving high-precision automatic annotation of large-scale spatial transcriptomics data.

The application belongs to the technical field of secondary battery materials, and specifically discloses a multi-atom doped carbon nanofiber as well as a preparation method and application thereof. The preparation method comprises the following steps: dissolving polyacrylonitrile, a sulfur source and a phosphorus source in N,N-dimethylformamide to prepare a precursor solution, obtaining a nanofiber membrane through electrospinning, and then performing pre-oxidation and high-temperature carbonization treatment, and obtaining the multi-atom doped carbon nanofiber after cooling. The carbon nanofiber is overlapped with each other to form a three-dimensional network structure, provides a conductive carbon skeleton, and improves ion and electron migration efficiency and rate performance; the heteroatom doping introduces rich pore structures and ion active adsorption sites, and cooperatively improves reversible capacity; uniform stress distribution of the carbon skeleton helps to stabilize the electrode interface and prolong the cycle life. The method has simple process, can precisely control the material morphology and composition, and has strong operability.

Embodiments of the present application disclose a method and device for balancing disk wear in a distributed cluster, electronic equipment and a medium. The method comprises: determining a source disk for data migration out and a target disk for data migration in from a cloud storage distributed cluster; determining to-be-migrated data from a write cache corresponding to the source disk; and migrating the to-be-migrated data from the write cache corresponding to the source disk to the target disk. The technical solution can directly migrate data from the write cache of the source disk to the target disk, without the need to eliminate and refresh the to-be-migrated data in the write cache to the source disk before data migration, thereby reducing the number of write refreshes of the source disk, slowing down the shortening of the service life of the source disk, and improving the data migration efficiency.

The present application relates to a kind of high-strength gel-based flexible electrochromic device.The high-strength gel-based flexible electrochromic device includes the first flexible electrode, electrochromic layer, gel electrolyte layer and second flexible electrode arranged in sequence;The gel electrolyte layer includes host material and cationic salt distributed in host material, and the host material is amino-terminated polyimide resin;Preferably, the molar ratio of cationic salt and amino-terminated polyimide resin is (2%~5%):1.

The application discloses a task migration method, system, device and storage medium. The task migration method comprises the following steps: determining a network quality value of each initial device; determining a computing capability value of each initial device; obtaining a QoS priority of each to-be-migrated task; splitting each to-be-migrated task into a plurality of to-be-migrated subtasks based on a preset function dimension; determining a dependency label value between any two to-be-migrated subtasks of each to-be-migrated task; constructing a task dependency graph of each to-be-migrated task; determining a weighted matching value set based on an available network bandwidth and an available memory; determining a target device of each to-be-migrated task based on the network quality value, the computing capability value, the QoS priority and the weighted matching value set; and migrating the to-be-migrated task to the target device based on the task dependency graph of each to-be-migrated task, thereby realizing low-latency and high-reliability task migration.

The present application provides a model training method and device, equipment and medium. The model training method comprises: training a teacher model and a student model based on a training sample set, obtaining a first sequence output by the teacher model and a second sequence output by the student model; determining that a vocabulary of the teacher model and a vocabulary of the student model are heterogeneous vocabularies, determining a distribution difference loss based on a probability ranking result of the first sequence and a probability ranking result of the second sequence; updating parameters of the student model based on the distribution difference loss to achieve effective knowledge distillation in a heterogeneous vocabulary scenario, alleviate the problem of mismatch between training and inference distribution, and improve the flexibility and applicability of knowledge distillation.