84results about How to "Improve access efficiency" patented technology

The invention discloses a key value storage system indexing method oriented to an NVM-NVMe SSD (Non-Volatile Memory-Non-Volatile Memory Express Solid State Disk) hybrid architecture, which comprises the following steps of: constructing a heterogeneous storage architecture taking cold and hot data perception as a core driving mechanism, coordinating and managing two types of storage media, namely a non-volatile memory NVM and a solid state disk NVMe SSD, and realizing efficient identification, layered writing and dynamic migration of cold and hot data. According to the method, the characteristics of low delay, durability and byte addressing of the NVM are utilized, the frequency and I / O overhead of Flush and Compaction operations are reduced in a data write-in path, meanwhile, the problem of mixed storage of cold and hot data is avoided, and therefore the overall performance and storage efficiency of a system are remarkably improved. In addition, by introducing an asynchronous migration module, the method can dynamically adapt to the change of data popularity along with time evolution, and effectively support high performance and high availability of the key value system in long-term operation.

The utility model discloses a sampling box for excrement collection and transportation, which comprises a box body, a drawable box arranged on the right side of the box body, a plurality of supporting plates stacked in the drawable box, a placing groove, a cold storage groove, a refrigeration channel and a supporting table arranged on the supporting plates, a lifting cover mounted at the end part of the placing groove, lifting belts arranged on two sides of the supporting plates, refrigeration boxes arranged on two sides of the drawable box, and a sampling box arranged on the box body, the upper part of the box body is provided with a storage chamber and is provided with a partition plate, the lower part of the box body is provided with universal wheels, and the side part of the box body is provided with a telescopic pull rod; the sampling box is reasonable in structure, classified collection and closed protection of samples can be achieved, independent supporting plate taking-out operation is facilitated, inconvenience caused by overall moving is avoided, effective refrigeration of excrement samples can be achieved through cooperation of the refrigeration box and the cold storage tank structure, the transportation stability is improved, meanwhile, the storage space is arranged for partitioned storage of sampling tools, cross contamination is avoided, and the sampling box is convenient to use. And the whole device has good portability, operability and sample storage capability.

The application relates to the technical field of deep learning and recommendation system, and particularly discloses a hybrid expert model sparse inference method and system for generative recommendation, which comprises the following steps: obtaining original input data, and obtaining an input vector through an embedding layer; obtaining hybrid expert weights through normalization and maximum value selection operation on the input vector; calculating attention-enhanced features according to the hybrid expert weights based on a hierarchical attention mechanism; inputting the input vector and the attention-enhanced features into a hybrid expert model to calculate a recommendation result; wherein, according to the attention-enhanced features, expert weights are calculated based on a parallelized gating mechanism activated by a Sigmoid activation function; the activated expert layer is selected according to the expert weights, and the input vector is used to calculate the recommendation result. The application can achieve a recommendation accuracy comparable to or even higher than that of an advanced dense model under low time overhead and low calculation complexity.

The application provides a database whole-library data access method and device, electronic equipment and medium, the method comprises the following steps: obtaining the whole-library data access task set by the user; grouping all the tables to be accessed based on the number of tables to be accessed and the current scheduling time period corresponding to the current data access mode; creating a target table corresponding to each group of tables to be accessed in the target database based on the table creation rule; creating a corresponding scheduling task for each target table based on the current data access mode; based on the current scheduling time period and the grouping result of the tables to be accessed, configuring the scheduling information of the scheduling task corresponding to each target table to execute each scheduling task according to the scheduling information, and accessing the whole-library data in the database to be accessed to the target database. The user only needs to set the current scheduling time period corresponding to the data access mode to realize the offline automatic access of the whole-library data through task scheduling, which saves the manual workload and time, and improves the access efficiency of the whole-library data.

The invention discloses an equipment communication management system and a battery formation test system, and belongs to the technical field of equipment communication. The invention provides a modularized and configurable equipment communication management system, which is characterized in that a collaborative architecture of a configuration file receiving module, a command and data routing module and an equipment interaction module is introduced, and a dynamic configuration file containing equipment identification information, a communication protocol type and a request / response message structure definition is combined; uniform adaptation of various industrial communication protocols is realized. A request message structure definition comprises a sending mode parameter, a sending frequency parameter and a sending interval parameter, so that the system can flexibly support complex interaction modes such as periodic communication, single request or limited times of polling according to configuration. The equipment communication management system provided by the invention comprehensively supports a complex communication scene, greatly improves the equipment access efficiency, enhances the system compatibility and expansibility, and reduces the maintenance cost and the firmware version fragmentation risk.

The invention relates to the technical field of carbon dioxide incubators, in particular to a carbon dioxide incubator for vaccine production and an operation method.The carbon dioxide incubator comprises an incubator body, an outer box door and a cylinder type bracket mechanism which is arranged in an inner cavity and can move horizontally and rotate; a detachable isolation frame is arranged between the outer box door and the inner cavity; the isolation frame is provided with an opening for the single group of shelves to pass through and is provided with a built-in door in a sliding manner; two sets of lateral baffles capable of automatically deflecting through linkage assemblies are arranged on the inner sides of the open holes, and when the bracket mechanism moves horizontally to be close, the lateral baffles automatically deflect to form lateral enclosure isolation on the target shelf; the incubator body is also provided with a grooved wheel mechanism for driving the bracket mechanism to rotate intermittently, and a positioning assembly which is controlled by the outer box door and is used for radially locking and releasing the rotating shaft; independent isolation and operation of a single set of shelves can be achieved, disturbance of the internal environment during door opening is remarkably reduced, and vaccine culture stability and operation efficiency are improved.

The application relates to a method and system for realizing 90-degree integer multiple rotation of an image, wherein the method comprises the following steps: an FPGA receives original image data output by an image sensor and image processing parameters issued by an ARM, the image processing parameters at least including width, height and a rotation angle, wherein the rotation angle is an integer multiple of 90 degrees; the original image data is preprocessed and demosaiced to obtain a full-color image in RGB or YUV format; according to the width, height and rotation angle of the image, a coordinate transformation formula for 90-degree integer multiple rotation is used to determine the position mapping relationship between each source pixel in the full-color image and a target pixel after rotation; the full-color image is written into a BRAM cache in a ping-pong mode, and each pixel is read according to the order of the position mapping relationship and written into a target address in a DDR, wherein the target address in the DDR is calculated according to the position relationship.

This invention relates to the field of Internet of Things (IoT) technology, specifically to a multi-factor dynamic authentication IoT network security access platform. In this invention, a device behavior acquisition module acquires the real-time behavior characteristics of IoT devices requesting access; a behavior feature analysis and matching module performs feature transformation on the real-time behavior characteristics to generate behavior feature authentication factors, and calculates their matching degree with a pre-set legal behavior feature model for first-level authentication judgment; a multi-factor strategy dynamic decision-making module, based on this result, uses the matching degree as a dynamic weight adjustment parameter to adjust the verification strategy strength of other authentication factors in real time and generate a multi-factor authentication strategy; a comprehensive authentication and access control module performs comprehensive authentication based on this multi-factor authentication strategy and combines the behavior feature authentication factors for second-level authentication judgment, thereby controlling network access; this process achieves dynamic adjustment of authentication strategy strength and continuous verification of device behavior.

The application discloses a kind of multi-source knowledge collaborative retrieval and intelligent analysis method of sodium-ion battery research and development, comprising: initialization sodium battery professional knowledge base;Sodium battery field data is converted into uniform intermediate layer text format and adaptive semantic segmentation is executed, and text block vectorization storage is generated;Receive natural language question, question intention is parsed by intelligent agent and is matched with the function description text of multiple information channels preset Semantics, according to the matching result, one or more of local sodium battery knowledge base, arXiv academic papers and internet networking search channel are dynamically called, and the returned results are de-duplicated and weighted sorting integration is executed;Multi-source integration result is injected into large language model to generate structured analysis report containing material property comparison table and performance parameter summary, and a bidirectional traceability mapping relationship between the generated result and the original information source is established.The application improves the research and development decision efficiency and result reliability in the research and development scene of sodium-ion battery.

The invention discloses a smart park articulated naturality web node data distributed storage system, and relates to the technical field of smart park data storage. Comprising a data acquisition layer, a distributed storage node cluster, a metadata management module, an intelligent scheduling module, a data security guarantee module, a data verification module, a data adjustment module and an application interface layer, and all the modules cooperate to realize efficient storage, quality control and management of articulated naturality web node data. Aiming at a smart park articulated naturality web data storage pain point, efficient storage and management and control are realized through multi-module cooperation, a distributed architecture, mixed storage and intelligent scheduling are adopted, the storage efficiency and the resource utilization rate are improved, multi-copy backup, cross-physical deployment and automatic fault repair are realized, data reliability is guaranteed, and the system is suitable for large-scale popularization and application. The method comprises the steps of full-process encryption, authority control and multi-dimensional verification, building of a data security defense line, data dynamic optimization and standardization of an interface, enhancement of data availability and system compatibility, and adaptation to the dynamic increase demand of park data.

The utility model discloses a foldable fabric box which comprises a box body, an observation window is fixed to the side wall of the box body, supporting rods are symmetrically fixed to the top end and the bottom end of the inner wall of the box body, sleeves are connected to the outer walls of the supporting rods in a sliding mode, polish rods are rotationally connected to the inner sides of the sleeves, and the inner sides of the polish rods on the two sides are rotationally connected. A groove block is fixed to the outer wall of the polished rod, and a fixing piece is arranged in the groove block. Through the sliding fit design of the polished rod, the sleeve and the supporting rod, convenient folding and rapid unfolding of the box body are achieved, when the box body is unfolded, the polished rod drives the supporting rod to open the top end and the bottom end of the box body, a clamping plate is matched for limiting and fixing the rotating shaft of the polished rod, and a top block is matched for clamping and fixing a groove block, so that the box body has reliable structural stability in the using state; deformation or collapse is effectively avoided, the storage requirement is met, storage, carrying and storage are facilitated, and the space utilization rate and use scene adaptability of the product are greatly improved.

The application relates to the technical field of railway traffic, in particular to a data temperature evaluation method and device for heavy-load railway electric service data, computer equipment and a storage medium. The method comprises the following steps: obtaining initial hotness evaluation values of a plurality of business data objects in heavy-load railway electric service and correlation relationship parameters between any two business data objects; determining a current hotness value of a target business data object based on access information, a historical hotness value and a time decay model of the target business data object; determining hotness conduction increments of other business data objects associated with the target business data object based on the correlation relationship parameters and the current hotness value of the target business data object, and updating the current hotness values of the other business data objects by combining the historical hotness values of the other business data objects and the time decay model; and performing hierarchical storage management on the plurality of business data objects based on the current hotness values of the business data objects.

The utility model relates to a cable drum placing rack, and relates to the field of cable production, and the cable drum placing rack comprises two supports which are arranged at an interval; the rotating part is rotationally connected between the two supports, and a driving device used for driving the rotating part to rotate is arranged between the rotating part and the supports; the rotating disc is fixedly arranged on the rotating part, and the rotating disc is fixedly provided with a plurality of placing parts used for supporting a cable drum in the circumferential direction of the rotating disc; and the length of the rotating part and the length of the placing part can be extended. The cable drum storage device has the effects that placement of cable drums is managed in order, the space utilization rate of a storage warehouse is increased, and a neater and safer working space is created.

The application discloses an Internet of Things access method and system, an electronic device and a storage medium, wherein the method comprises the following steps: performing configuration processing on a driver to obtain a configured driver; performing connection processing on the configured driver and a plug-and-play device to obtain a connected driver; performing authentication processing on the connected driver and an Internet of Things application platform to obtain an authentication result, wherein the Internet of Things application platform comprises a front-end page and a back-end platform; when the authentication result is passed, performing connection on the connected driver and the back-end platform through a transmission protocol, and performing connection on the front-end page and the back-end platform through a communication protocol to obtain a data channel; and performing Internet of Things access processing on the plug-and-play device according to the data channel to obtain an access result. The plug-and-play device is connected to the Internet of Things application platform through the driver, webpage browser limitations can be reduced, and the efficiency of Internet of Things access is improved.

The application relates to a chromatographic data monitoring management method and system, and relates to the field of data management, which comprises the following steps: collecting a chromatographic data transmission state; when the chromatographic data transmission state is not a preset transmission interruption state, collecting chromatographic data transmission information; according to the chromatographic data transmission information, data priority and data resource occupation rate are retrieved; based on the data priority and the data resource occupation rate, a data transmission sequence is generated; data transmission is performed through the data transmission sequence, and a chromatographic task flow is collected; based on the chromatographic task flow, a chromatographic task log is generated, and the chromatographic task log is written into a preset task storage. The application has the effect of improving the analysis efficiency of chromatographic data.

Embodiments of the present application provide a data access method and system, electronic equipment, storage medium and program product, relating to the technical field of data processing. The method comprises: receiving an access instruction of target data; in response to determining that a generated value of the target data needs to be generated according to the access instruction, determining a data item for storing the generated value in a generated column of a first data table, the generated column being declared based on a native syntax of a database; obtaining associated data of the generated value based on a data matching rule corresponding to the data item; and calling a data generation model to generate the generated value according to the associated data to access the target data. In the technical solution of the embodiments of the present application, the native combination of the database and the data generation model is achieved, and the access efficiency of data can be improved.

The application relates to a debugging method for self-modeling access of a network protection device to a master station, which comprises the following steps: S1, constructing a standardized protection signal rule library and a protection parameter rule library in advance on the master station side; S2, reading self-description model information reported by the network protection device and performing integrity check on the self-description model information; S3, intelligently analyzing and adaptively accessing by the master station based on the self-description model information and the protection signal rule library and the protection parameter rule library, including: performing model automatic point matching and consistency check, protection signal intelligent access, protection parameter intelligent access, signal and parameter logic consistency check and automatic setting value management; and S4, based on the protection signal rule library, the protection parameter rule library and the access result, performing panoramic monitoring and evaluation on the adaptive access situation of the global network protection device. The application can improve the access efficiency, guarantee the data consistency, enhance the system flexibility and expandability.

This utility model relates to the field of storage technology and discloses a stable cold chain device for 2,6-difluorobenzonitrile storage. It includes a storage box with symmetrically arranged support rods fixedly connected inside. Multiple shelves are slidably connected inside the support rods, and each shelf contains a buffer assembly. Each buffer assembly includes a shelf panel slidably connected inside the shelf. Multiple connecting plates are fixedly connected to the bottom of the shelf panel, and symmetrically arranged transmission rods are rotatably connected inside each connecting plate. Symmetrically arranged adjustment components are provided on the top of each shelf. In this utility model, the sliding of the shelf panel inside the shelf further drives the transmission rods to deflect, thereby quickly buffering the vibration and impact on the shelf. This solves the safety problems of container breakage and leakage, and shelf structure damage caused by impact in existing technologies, improving the stability of goods during storage.

The utility model relates to the technical field of medical instruments, and particularly provides a blood glucose test strip storage box which comprises a storage main body, a box body and a box cover. An exposed gap is also formed in the upper part of the storage main body; the storage box is used for storing blood glucose test paper; the storage box is detachably arranged on the inner side face of the storage body. The sliding part is arranged in the sliding groove in a sliding manner; the sliding piece is provided with a sealing section, a sliding section and a pushing section which are integrally formed, and a pushing groove is formed in the side face, close to the storage box, of the pushing section; the thickness of the groove wall of the pushing groove is set to be the thickness of one piece of blood glucose test paper; the sealing section covers the exposed gap; the sliding section is arranged below the storage box; the sliding section is arranged in the sliding groove; therefore, the number of the pushed test paper is effectively limited, only one test paper is pushed out, and the problem that multiple test paper in an existing blood glucose test paper storage box is taken out at the same time is solved.

This invention belongs to the field of high-performance parallel computing, specifically relating to a method for implementing SpMV based on an adaptive strategy on a CPU-DCU heterogeneous platform, aiming to improve the efficiency of SpMV computation. The method includes acquiring sparse matrix data at the CPU, converting the sparse matrix data into CSR format to obtain a CSR format array. Based on the CSR format array, adaptive decomposition is performed on the sparse matrix represented by it to obtain dense blocks and sparse blocks. An RDCSR format array is constructed based on the CSR format array; the RDCSR format array contains the CSR format array, an array recording the row indices of the dense blocks, and an array recording the row indices of the sparse blocks. The RDCSR format array is transmitted to the DCU, where, after adaptive thread allocation for the dense and sparse blocks at the DCU, SpMV computation is performed in parallel to obtain a merged computation result. The merged computation result is transmitted from the DCU to the CPU, and the computational performance of SpMV is evaluated.

The application provides an I2C bus expansion system, wherein the system comprises a main controller, at least one I2C multiplexer in communication with the main controller through an I2C bus, each I2C multiplexer having a unique device address, a plurality of independent channels and at least one GPIO output pin, a plurality of slave devices being mounted on each independent channel, and an address selection pin of each slave device being connected to a corresponding GPIO output pin of a corresponding channel; the main controller selects to open the independent channel of the I2C multiplexer based on a control signal of a host computer, and selects a corresponding slave device based on the GPIO output pin after the independent channel is opened, and the I2C bus expansion system provided by the application effectively expands the device capacity of the I2C bus and improves the data acquisition efficiency of the slave device.

The application relates to the technical field of Internet, and particularly discloses a file sharing method, device, equipment and storage medium. The method comprises the following steps: when detecting that a second application opens a second file directory, calling a file access interface to realize that the second application accesses a public file directory; based on the public file directory, reading metadata information of a first file directory of a first application, and sending the metadata information to the second file directory to realize file sharing between applications. The method can realize file sharing between different applications, and improve the access efficiency of cross-device file access.

The utility model relates to the technical field of coal mine environmental protection monitoring, and specifically relates to a water quality detection vehicle for coal mine environmental protection monitoring, which comprises a carriage, an operation table is installed in the carriage, a continuous flow analyzer and a lofting frame are placed on the operation table, a sample storage mechanism is slidably installed in the lofting frame, the sample storage mechanism comprises a pull rod and a bottom plate, a plurality of bottom plates are equidistantly and slidably installed in the lofting frame, a ball bearing is rotatably installed in the lofting frame, the ball bearing and the bottom plate are rollingly connected, two groups of supporting rods are fixedly connected to the bottom plate, a clamping plate is fixed to the supporting rods, the pull rod is fixed to one end of the bottom plate and the clamping plate, a sliding block is fixedly connected to the end of the clamping plate away from the pull rod, a plurality of jack plugs are equidistantly arranged on the clamping plate, and a gasket is bonded to the part of the clamping plate close to the jack plug; the lofting frame limits the transverse position of the bottom plate and the clamping plate, avoids deviation of the sample storage assembly when sliding, limits the sliding distance of the sliding block at the same time, and prevents the sample storage assembly from being excessively pulled out to cause water sample to be poured.

The application discloses a coal mine safety risk inference method, system, device and storage medium, which are one-to-one corresponding solutions, and the solutions aim to improve the safety of knowledge graph storage, the traceability of data, the maximum throughput of data, and the efficiency of inference operation, specifically: the knowledge graph storage and optimized transaction processing scheme based on the blockchain can improve the safety of the knowledge graph storage, the traceability of data, and the maximum throughput of data; the entity embedding decomposition scheme can reduce parameter redundancy, improve reasoning efficiency by using refined type perception reasoning, and combine a self-supervised entity classification model and an efficient graph neural network processing to optimize the construction and query processing of the knowledge graph, so that efficient reasoning and application of a large-scale knowledge graph are realized.

The invention discloses a storage system and method based on mass test flight electronic and electrical data, and belongs to the technical field of flight data storage, and the system comprises a data access module used for manually importing and receiving a data packet sent by a customer service, data synchronization software, a Socket or a user-defined access mode, a data analysis module, a data storage module and a data storage module, the data analysis module is used for carrying out data analysis on FDR / WQAR data packets in the data packets, the data preprocessing module is used for preprocessing the analyzed and decoded data, and the data storage module is used for storing original data, the preprocessed data and analysis results. Reliable storage and efficient access of mass structured and unstructured data are effectively supported, intelligent analysis and fault diagnosis based on domain knowledge are achieved through combination of a logic library and a built-in algorithm platform, the data analysis depth and accuracy are remarkably improved, the system can be flexibly expanded, and the system has a wide application prospect. And various upper-layer applications such as aircraft state monitoring and quality evaluation are directly supported.

The utility model provides a colorimetric tube storage box device, including box body structure, bayonet mechanism and return spring, the upper portion of box body structure is provided with the placing groove for placing a plurality of colorimetric tubes in turn, the left end of box body structure lower part is provided with the track sliding slot of communication with the placing groove, is used for the colorimetric tube under the action of gravity and slides out, the bayonet mechanism is set up in the connecting place of track sliding slot front end and the tail end of placing groove through return spring activity, is used for opening the bayonet release colorimetric tube when being pressed by external force, and under the automatic reset of return spring and the blocking of next colorimetric tube. The utility model discloses the linkage design of bayonet mechanism and return spring realizes single -tube controllable release, utilizes gravity slide rail to realize automatic sequencing, can effectively improve experimental efficiency, reduces the breakage rate of colorimetric tube, and keeps the storage order of colorimetric tube, ensures the smooth progress of chemical analysis and testing.

The application discloses a quasi co-location downlink RS determination method, device and terminal, and belongs to the technical field of communication. The quasi co-location downlink RS determination method of the embodiment of the application comprises the following steps: in the case that a terminal performs physical random access channel (PRACH) repeated transmission, the terminal determines a target downlink RS which is quasi co-located (QCL) with the antenna port of a demodulation reference signal (DMRS) of a target downlink channel; wherein the target downlink channel comprises at least one of the following channels: a physical downlink control channel (PDCCH) used for scheduling a random access response (RAR); a physical downlink shared channel (PDSCH) used for transmitting the RAR; a PDCCH used for scheduling Msg3 retransmission; a PDSCH used for transmitting contention resolution information; a PDCCH used for scheduling the contention resolution information; and a PDCCH used for the terminal to listen to a control resource set (CORESET) #0.

The invention provides a virtual room access method and device, electronic equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: in response to a received first access request of a virtual room sent by a first terminal, obtaining a room identifier of the virtual room from the first access request; mapping the room identifier to obtain a digital identifier of the virtual room; a target access device is determined from the multiple access devices, the digital identifier and address information of the target access device are returned to the first terminal, and the address information is used for the first terminal to send a second access request to the target access device based on the address information; and responding to a second access request received by the target access equipment, and accessing the first terminal to the virtual room corresponding to the digital identifier carried in the second access request through the target access equipment. According to the invention, the virtual room access efficiency can be improved.

The invention discloses a communication and navigation integrated implementation system and method of a low earth orbit satellite Internet of Things system. The system comprises a low earth orbit satellite module, a ground terminal receiving module, a positioning and parameter calculation module, an access control and compensation module and an uplink communication link establishment module. A positioning measurement signal is introduced into a satellite downlink NB-IoT (Narrow Band Internet of Things) or eMTC (Enhanced Machine Type Communication) signal, so that a ground terminal can simultaneously complete positioning data acquisition, optimal satellite selection and time and frequency compensation of an uplink signal, thereby effectively solving the problems of low access efficiency and difficulty in synchronization and compensation in the prior art. According to the invention, deep fusion of communication and navigation is realized, the access speed and reliability of the low-orbit satellite Internet of Things system are improved, and the method has good application prospect and popularization value.