128results about How to "Improve migration efficiency" patented technology

The invention provides a big data platform scheduling task and data collaborative smooth migration method and system, and relates to the technical field of big data, and the method comprises the steps: constructing a digital twin environment of a target system, collecting task operation state data of a source system, extracting task features through a deep neural network, and carrying out the clustering and grouping. And deploying the task group to a digital twin environment, analyzing a task association relationship and a resource competition relationship based on a graph neural network, and generating a task stability score in combination with a task operation index. And constructing a migration risk prediction model to perform quantitative evaluation on the migration risk, and determining a migration priority and an execution sequence according to the quantitative evaluation. And making corresponding resource configuration, data synchronization and fault recovery plans for each task group, carrying out migration drilling in a digital twinning environment, and optimizing a migration scheme by utilizing a reinforcement learning algorithm. The migration risk can be effectively reduced, the smoothness and stability of the migration process are guaranteed, and the migration efficiency is improved.

The invention discloses a method and a system for realizing data synchronization between heterogeneous databases based on logs. The method comprises the following steps: acquiring connection information of a source database and a target database; querying a table structure of the source end database and generating an SQL statement to establish a data mapping rule; matching a corresponding rule model from a mapping rule model library; if the matching is not successful, the system abnormally quits and prompts the user to create a new mapping model and add the new mapping model to the mapping rule model base; converting a table structure of the source end database into a JSON character string based on a standard field type; an SQL statement required by the target database is output through the data mapping engine module; the message monitoring program reads the data in the temporary storage area and converts the data into data meeting the requirements of the target database; formatting the converted data into SQL statements supported by a target database; and sending the generated SQL statement to a target database to complete data migration. Accurate and controllable synchronization of the data and the model in a heterogeneous environment is realized.

The invention provides a credential platform data migration verification method and system, and relates to the technical field of computers.The method comprises the steps that all to-be-migrated source data in a credential platform database are read, basic information of the source data is obtained, and a data label is set for each piece of data; reading fields and contents in the migration data, and constructing a data similarity verification model; selecting a migration path and a target database according to the migration demand, and dynamically evaluating the similarity between the source data and the target data through a data similarity verification model; verifying the migrated source data based on the target database, and performing incremental verification on data of different fields in the table; the data table of the to-be-migrated source data is verified in real time among different migration nodes, data changes on each node are verified step by step through an increment verification mechanism, if data missing or verification inconsistency occurs in the verification process, an alarm mechanism is triggered, and the problem of data missing or inconsistency can be automatically recognized and corrected.

The invention belongs to the technical field of battery positive electrode preparation, and particularly relates to a mixed coating coated nickel-rich layered oxide positive electrode and application thereof. The mixed coating coated nickel-rich layered oxide positive electrode is an NCM system positive electrode material, and the proportion of a Ni material in an NCM ternary system is greater than or equal to 92 wt%; the ratio content of Ni of the nickel-rich layered oxide positive electrode coated with the mixed coating in three elements of Ni, Co and Mn is greater than or equal to 92 mol%; and the nickel-rich layered oxide positive electrode coated with the mixed coating is coated with Li3PO4 and / or Li3BO3 and / or LiNbO3. The positive electrode material provided by the invention can effectively reduce the space charge layer effect and interface side reaction between the positive electrode and the electrolyte, the lithium ion migration efficiency is high, and the cycle performance of the assembled battery is good.

The invention discloses a graphene composite perovskite manganese oxide polycrystalline ceramic and a preparation method and application thereof, and belongs to the technical field of non-refrigeration high-sensitivity infrared detection. The chemical expression of the graphene composite perovskite manganese oxide polycrystalline ceramic is La < 0.81 > (Ca < 0.03 > Sr < 0.16 >) MnO3: Gy, G is graphene, y is the mass fraction of graphene in perovskite manganese oxide composite powder, and y is equal to 0.1-0.2%. The TCR value of the prepared polycrystalline ceramic can reach 30% or above, the Tk value is close to 300K, the polycrystalline ceramic has excellent adaptability to room temperature work and excellent sensitivity to temperature change, and when the polycrystalline ceramic is applied to an uncooled infrared detector, the detection precision of the uncooled infrared detector can be effectively improved.

The invention relates to a data migration method and device, equipment, a storage medium and a program product. The method is used for target data migration equipment in a data migration system, the data migration system comprises a plurality of pieces of data migration equipment, the plurality of pieces of data migration equipment form a plurality of migration clusters, and the method comprises the steps that a data migration request is received, and the data migration request comprises information of a source host, information of a target host and a migration type; determining a migration task according to the migration request, and determining a target migration cluster according to the migration type; sending the migration task to a target migration cluster, so that the target migration cluster migrates the data from the source host to the target host by executing the migration task; wherein the target migration cluster comprises a master node and a plurality of slave nodes, the master node is used for dividing the migration task into a plurality of sub-migration tasks and sending the sub-migration tasks to the slave nodes, and the slave nodes are used for executing the sub-migration tasks. By adopting the method, the data migration efficiency can be improved.

The invention discloses a model fine tuning method and system based on task priority and elastic weight solidification, belongs to the technical field of machine learning, and aims to solve the technical problem of how to provide a stable, efficient and low-power silk screen manufacturing model which can adapt to various complex production scenes. Comprising the following steps: collecting sample data, and dividing the sample data into a plurality of subsets; service weights and priority coefficients of all new tasks in the silk screen manufacturing process are analyzed based on the sorted subsets; constructing a knowledge graph based on the entities and the relationship between the entities; calculating the importance degree of the model parameters to the old task based on the Fisher information matrix, and adjusting the priority level of the model parameters based on the knowledge graph; and on the basis of the Fisher information matrix, updating a loss function of the silk screen manufacturing model under the new task through EWC, and correcting the current silk screen manufacturing model on the basis of entities and relationships in the knowledge graph, so that multi-task model fine tuning is realized.

The invention discloses a data verification method based on unitized architecture data migration and a related device, relates to the technical field of data processing, and is applied to a resource manager to acquire registration information of a to-be-migrated system, and the registration information comprises migration configuration, comparison configuration and fragmentation configuration; and in response to a data comparison request after the migration of the to-be-migrated system is completed, allocating a comparison server to the data tables under different units based on the fragment configuration, and sending the migration configuration and the comparison configuration to the comparison server, so that the comparison server executes a data comparison task on the corresponding data tables based on the migration configuration and the comparison configuration. A general scheme is provided for the data comparison process after data migration under the unitized architecture, the comparison process is managed and scheduled in a unified mode by means of the characteristics of the unitized architecture, and the efficient and ordered comparison process under the unitized architecture is achieved.

The invention relates to the technical field of adhesives, and particularly discloses an electrogenerated viscosity-reducing adhesive as well as a preparation method and application thereof. The electrogenerated viscosity-reducing glue is prepared from the following raw materials in parts by weight: 100 to 150 parts of polyacrylate, 30 to 50 parts of polyvinyl alcohol, 20 to 40 parts of functional monomer, 1 to 5 parts of conductive agent, 2 to 6 parts of alkenyl-containing ionic liquid, 1 to 5 parts of lithium salt, 1 to 5 parts of tackifier, 1 to 2 parts of dispersant, 0.1 to 2 parts of initiator and 60 to 100 parts of organic solvent, and the conductive agent is obtained by synergistically modifying hydroxylated carbon nanotubes with 2-thiophenecarboxylic acid and 2-picolinic acid. The electrogenerated viscosity-reducing adhesive is applied to the electrogenerated viscosity-reducing adhesive tape, and the obtained adhesive tape is excellent in peel strength and shear strength, high in power-on viscosity-reducing efficiency, free of adhesive residue during peeling, reusable and wide in application prospect.

The invention provides a hydraulic automatic fishway device, and relates to the technical field of hydraulic engineering, the hydraulic automatic fishway device comprises an arc fishway track, a multifunctional structure is rotatably mounted on the outer side of the arc fishway track, the multifunctional structure comprises a synchronous belt, a plurality of fish collecting plates are arranged on the surface of the synchronous belt, and each fish collecting plate is clamped with the synchronous belt; a fish collecting groove is formed in each fish collecting plate, a fish luring warm-color lamp strip is arranged in each fish collecting groove, through a multifunctional structure, when water flow impacts the water turbine from bottom to top, the water turbine rotates under the radial force of the water flow, so that radial force is generated on the fixing rod to rotate in the fixing frame, and meanwhile, the water flow impacts the water turbine through the water flow; the rotation of the fixing rod enables the driving bevel gear to rotate and to be engaged with the driven bevel gear, so that the driven bevel gear rotates, and then the rotating cross rod is controlled to drive the first gear to rotate and to be engaged with the inner tooth set, so that the synchronous belt can drive the fish collecting plate and the fish collecting groove to rotate, fish at the fishway inlet is brought to the upstream, and migration of the fish is helped.

The invention discloses a data migration method and device, a storage medium and a computer program product. The method comprises the following steps: acquiring an initial data set of a plurality of service modules in a service system to be migrated, the plurality of service modules being function modules obtained by splitting according to a plurality of functions provided by the service system; determining the similarity among the service modules according to the initial data set of each service module, and clustering the plurality of service modules according to the similarity to obtain a plurality of clusters; and for each clustering cluster, performing dimension reduction processing on the initial data set of each service module in the clustering cluster to obtain a target data set of each service module, and migrating the target data set of each service module in the clustering cluster. According to the method and the device, the technical problem of data missing and inconsistency of dimension-reduced data due to the fact that the dependency relationship between the business modules to which the data belong is not considered when dimension-reduced migration is carried out on a large-scale data set in the prior art is solved.

The invention provides a system migration method and device and a related product, and relates to the technical field of system migration. The method comprises the following steps: evaluating the compatibility of an application of a target application on a source system on a to-be-migrated system and a compiling operation environment, the suitability of an executable file and the suitability of configuration through a migration evaluation agent; determining source code transplantation modification content or configuration modification content corresponding to the library package or the executable file incompatible with the to-be-migrated system in the migration process; transforming a library package which corresponds to the target application and is incompatible with the to-be-migrated system through the migration transformation agent, and performing code optimization on the source code of the target application according to the source code migration modification content; the migration transformation agent modifies the configuration of the target application according to the configuration modification content; and automatically migrating the target application on the source system and the corresponding library package to the to-be-migrated system through the migration implementation agent. According to the embodiment of the invention, the migration of the system can be efficiently and accurately completed.

The invention relates to a data migration method and device, electronic equipment and a storage medium. The method comprises the steps that a data migration instruction is obtained, the data migration instruction comprises a logic unit identifier and address information, the logic unit identifier is used for representing a logic unit for data migration, the address information comprises a source address and auxiliary information, and the auxiliary information comprises a destination address corresponding to the source address; the source address is an address of a first logic block in the logic unit, and the destination address is an address of a second logic block in the logic unit; and in response to the data migration instruction, migrating data corresponding to the first logic block to the second logic block. According to the mode of directly migrating the data from one logic block to another logic block in response to the data migration instruction, the data migration efficiency and performance are improved, and the power consumption in the data migration process is reduced.

The invention belongs to the technical field of computer storage, and particularly discloses a ZNS-SSD storage system-oriented garbage collection method, which comprises garbage collection taking segments as basic units, migration cost management process scheduling based on recovery segments, establishment of a recovery segment list group optimization data structure and a specific data migration mode. According to the method, different segments are accurately managed and operated in the garbage collection process, the garbage collection task is refined and embodied, the data are migrated to the target space through a parallel processing method, multiple data migration tasks can be carried out at the same time, and the garbage collection efficiency of the ZNS-SSD storage system is improved. According to the ZNS-SSD storage system, the resource consumption of the system for judging the migration mode of the segmented data is reduced by constructing the segmented chain table, and the response speed and the stability of the ZNS-SSD storage system are systematically and fundamentally improved on the basis of optimizing the data structure of the ZNS-SSD storage system.

The present invention discloses a porous composite foil, including a porous composite foil current collector; the porous composite foil current collector includes a polymer insulating layer and two metal conductive layers; the upper and lower sides of the polymer insulating layer are respectively covered with a layer of the metal conductive layer; a plurality of through holes are penetrated through the porous composite foil current collector; the outer side surface of each metal conductive layer in the porous composite foil current collector is respectively coated with a layer of mixed primer. The present invention also provides a positive electrode plate, a negative electrode plate and a semi-solid lithium ion battery and a preparation method. In view of the problem of large internal resistance of the original composite foil, the present invention introduces a mixed primer containing a conductive agent and an inorganic oxide solid electrolyte with good electronic conduction and ion conduction on the surface of the porous composite foil, thereby improving the bonding adhesion between the active material and the current collector, constructing a complete ion and electron transmission channel, reducing the internal resistance of the battery, and improving the rate performance.

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 utility model belongs to the technical field of circuit design, and particularly relates to a cross-platform computer online device which comprises a shell, a first interface combination, a second interface combination, a third interface combination and a network cable interface are arranged on the shell, and a control circuit is arranged in the shell. The control circuit comprises a switch module, a first Ethernet transceiver module, a second Ethernet transceiver module, a first isolation chip, a second isolation chip and a switching module; first, second and third input and output ends of the switch module are respectively connected with the first interface combination, the second interface combination and the network cable interface; the first interface combination, the first Ethernet transceiver module, the first isolation chip, the second isolation chip, the second Ethernet transceiver module and the second interface combination are connected in sequence; the input interface of the switching module is connected with the third interface, and the first output interface and the second output interface are respectively connected with the first interface combination and the second interface combination. The device is simple in structure and convenient to use.

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.

The embodiment of the present invention discloses a data migration method and device, which relates to the field of computer technology. A specific implementation of the method includes: constructing a data migration task, the data migration task indicates a target database; obtaining at least two data to be migrated from a source database; dividing the at least two data to be migrated into blocks to form at least two data blocks; according to the at least two data blocks, using one or more threads corresponding to multiple instances in the distributed cluster to execute the data migration task, so as to migrate the data to be migrated corresponding to the at least two data blocks to the target database. This implementation adopts a distributed cluster with multiple instances and multiple threads to execute the data migration task, thereby realizing high-concurrency and high-throughput data migration, thereby shortening the migration time and improving the migration efficiency.

The invention relates to the field of battery materials, in particular to a lithium ion battery which comprises a positive pole piece, a negative pole piece, electrolyte and a diaphragm located between the positive pole piece and the negative pole piece, the electrolyte comprises boron-containing lithium salt, based on the total mass of the electrolyte, the mass percentage of the boron-containing lithium salt is 2wt%-10wt%, and the mass percentage of the diaphragm is 10wt%-10wt%. The diaphragm comprises a base film and a gluing layer located on at least one surface of the base film, and the coverage rate of the gluing layer is 5-70%. The boron-containing lithium salt has a relatively large anion volume, so that surface charges of anions can be delocalized, dissociation of the lithium salt is facilitated, and the conductivity of the electrolyte and the transference number of lithium ions are improved. Meanwhile, a large number of fluorine elements in the boron-containing lithium salt can stabilize the lithium supplement agent material and reduce the oxidation of the electrolyte. The gluing layer can improve the bonding force between the diaphragm and the positive pole piece, shorten the migration path of lithium ions and shorten the migration time of the lithium ions; meanwhile, the gluing layer can weaken diffusion of large-volume anions.

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 present invention relates to a vermiculite nanosheet composite film and a preparation method thereof, wherein the film comprises a functional layer and a composite layer, wherein the functional layer comprises vermiculite nanosheets, carbon nanotubes and rare earth metal oxide nano-slurry, and the composite layer comprises a polymer electrolyte, a polyhydroxy organic acid and a water-absorbing inorganic salt. Compared with the prior art, the present invention has higher stability and ion migration rate, thereby increasing the rate of entry and exit of molecules in the film.

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.

According to the traffic management data fusion migration method provided by the invention, the data of the source database is synchronized to the intermediate database, and then the data of the intermediate database is fused and migrated to the target database; according to the method and the device, the fusion migration program is constructed based on the business logic for different types of data, so that data fusion can be quickly and accurately realized when multiple pieces of source database data are merged into the target database, and the data validity of the target database is ensured. The invention further discloses a traffic management data fusion migration system.

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 invention discloses an online simplified migration method of a Ceph RBD type volume based on OpenStack, and relates to the technical field of OpenStack cloud computing, and the method comprises the following steps: a user requests to modify the type of an in-use volume on a virtual machine through a Cinder API, and provides a UUID, a new type and a migration strategy; the cinder volume service judges whether a new volume needs to be created or not and notifies the nova-api to carry out copy switching; the nova-api verifies the UUID and queries the computing node, and the new volume information is sent to the nova-component service; the nova-complex service configures a deject-zeros option according to the drive list, and the configuration is modified to be off after volume migration is completed; and finally, calling the Cinder API to mount the new volume and unload the old volume. According to the invention, after the volume type switching is completed, the storage space actually occupied by the virtual block device is not obviously increased, and the purpose of saving space is achieved.

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.

The invention relates to a data migration method and device, computer equipment, a storage medium and a program product. The method comprises the following steps: acquiring configuration data to be migrated to a target system in a source system; based on a preset data migration model, performing enhancement processing on the encoded data features of the configuration data, and decoding the encoded data features after enhancement processing to obtain target data; and migrating the target data to the target system. By adopting the method, the migration efficiency can be improved.

The present invention relates to the technical field of multi-machine cloning cross-regional data transmission, specifically a method and system for multi-machine cloning cross-regional data transmission of a cloud phone; first, a user submits a cloning task request, the system generates a task list according to the request, calculates the required resources and allocates them to the target area, establishes a task framework diagram, then logically divides the instance data, marks the difference data blocks, and authenticates the link relationship between instances through a dual link protocol, then combines multi-threading technology to transmit the difference data blocks, and dynamically balances thread task allocation to optimize efficiency. During the transmission process, the system performs consistency verification on the data, detects and retransmits the erroneous data blocks, and uses a timeout and a maximum number of mechanisms to avoid infinite retransmissions. The final target instance completes data reconstruction by merging the difference data blocks, and verifies data consistency through a hash value. The present invention is based on task management, data sharding, link authentication, and verification and repair to ensure efficient and secure data cloning.