1280results about How to "Solve storage problems" patented technology

The invention belongs to the technical field of computer storage, and provides a safe storage method based on a plurality of cloud storage systems and a system thereof. The method and the system can achieve the purpose that in the plurality of existing cloud storage systems, safety of data and metadata can be guaranteed at the same time. The safe storage method comprises a step of data writing operation and a step of data reading operation, wherein the step of data writing operation comprises the sub-steps of data partitioning, data encryption, redundancy encoding, digital signature, sharing processing, and data storage. The step of data reading operation comprises the sub-steps of metadata partition file decryption, digital signature inspection, redundancy decoding and cipher text data block decryption. The safe storage system comprises an encryption and decryption coding module, a redundancy encoding module, a secret sharing module and a digital signature module. By means of the method and the system, metadata privacy and high availability can be guaranteed, and meanwhile, a user does not need to store any metadata information for indexing and data query.

The invention provides an Internet teaching method and system for developing teaching activities through the Internet including a wireless communication network, and particularly discloses a method and system capable of recording the Internet teaching process in real time and accurately and efficiently storing the Internet teaching process in a cloud side. The method includes the step of evaluating educational document learning results by students to learn and distinguish learning situations of students of different levels, thereby achieving targeted differential teaching, tutoring, homework doing, exercising and the like and easily improving the learning efficiency and learning effect, especially continuously improving the students at different learning progresses. Furthermore, by means of a data return gateway, a data verification mechanism, a timestamp verification mechanism, an audio and video flow verification mechanism, a data complementary transmitting mechanism, a local fragmentation encrypting, storing and uploading mechanism and other means, recorded data is stored in the cloud side efficiently and accurately.

The invention discloses a failure recognition method and system based on neural network self-learning. The method comprises the steps that (1), various set monitoring quantities of track traffic equipment are monitored and collected, and the collected monitoring data are converted into sample data applicable to training the neural network; (2), the sample data are classified according to the types of failures, and a sample data set corresponding to each type of failure is obtained; (3), one neural network is designed for each type of failure, then the sample data sets of the failures are used for training, and a recognition model of each type of failure is obtained; (4), the recognition models of all the types of failures are fused to be one neutral network, and failure recognition is carried out on the monitoring data collected in real time. The method can calmly cope with complex equipment failures and train operation accidents.

The invention discloses a whole-process monitoring and tracing system and method for the quality safety of agricultural products. The system comprises a cloud server which is connected with a client inquiry system, an agricultural product information acquisition pool and a monitoring system; the client inquiry system comprises a switch, a firewall, Internet, an authority authentication server and inquiry clients which are connected successively, wherein both-way communication is performed between the switch and the cloud server; and the agricultural product information acquisition pool comprises a forbidden pesticide inputting system, a basic information importing system, a water quality testing device, temperature and humidity sensors, a soil detection device, cameras, an air detection device, a pesticide detection device and a fertilizer detection device which are connected with the cloud server. The whole-process monitoring and tracing system and method have the advantages that the whole production process of agricultural products can be traced, and consumers can inquire about basic information of agricultural products through terminals.

A high-reliable real-time log collection and visual retrieval method comprises the following steps: 1) setting up a real-time log collection structure, which includes real-time log collection, log data encryption transmission, log data integrity check, missing alarm, and visual inspection result system structure; Deploying Flume client and custom Flume plug-in, Kafka cluster, HDFS distributed filesystem on the target log server; configuring the Flume configuration file, reading the multithreaded target log, and transferring the read data to the Kafka cluster. Kafka clusters cache log data bycreating partitions and Topic classifications of Kafka clusters; 2) log data integrity chec flow and algorithm steps: when log data is transmit, a self-defined Flume plug-in sends checking messages tothat collected log file, so that the Storm cluster checks the integrity of log data stored in the HDFS when landing log data; 3) slice log file deletion and missing data retransmission flow and algorithm step.

The invention provides a high-efficiency large-scale solar water decomposition hydrogen production technique based on photocatalysis - photoelectrocatalysis. The technique comprises the following steps that soluble high-valence electron carriers are converted into low-valence electron carriers by a powdered photocatalyst under illumination of the sun, so that large-area solar storage is realized, besides, oxygen is emitted, and protons are generated; an electrolyte solution storing the electron carriers and the protons is conveyed into a photoelectrocatalysis basin; and a photon-generated carrier is generated at the anode of the photoelectrocatalysis basin by utilizing the sunlight, so that the low-valence electron carriers are oxidized into the high-valence electron carriers, and protons are combined at the cathode of the photoelectrocatalysis basin to generate hydrogen. After the hydrogen is collected, the electrolyte solution is returned to a photocatalysis system for recycling. The whole reaction is driven by sunlight to realize the conversion of solar energy into hydrogen energy.

The invention relates to a video detection technology and discloses an intelligent marking, searching and replaying method and device for surveillance videos of shared lanes. According to the invention, when a moving target is detected, the judgment on the type of the target is triggered, and corresponding information is detected according to the target type and is written to a position corresponding to a trigger frame in a video bitstream, therefore, the search of semantic features can be performed conveniently on targets in various types on the shared lanes, and corresponding video frames are positioned fast according to the search result. By virtue of the method and the device, the problem that the videos and the target characteristic information are inconvenient to search and store when being separated from each other is solved; and the trigger begins once a predetermined condition is met, and the video is recorded synchronously, thus, the miss trigger of moving targets can be be avoided, and a storage space required to store captured pictures can be saved as well.

The invention relates to an operation data processing method and system, in particular to an operation data processing method and system based on stream computation and batch computation for a double-engine business analysis system. According to the operation data processing method and system, a stream computation engine (22) is set in a system framework, so that data real-time processing capacity is improved, and a distributed file system (21) and a batch computation engine (24) are integrated based on a data warehouse (23), so that storage and computation of unstructured data and mass data are achieved, big data storage capacity and big data analysis capacity are improved, and the capacity for storing TB-level data and even PB-level data and the capacity for processing big data in a batched mode can be achieved. Meanwhile, due to the fact the data warehouse (23) is adopted for processing structural data, a micro-batch real-time data can be processed with a micro-batch processing method, and thus a real-time data processing mechanism is further perfected.

The invention discloses an electronic device with a conversation function. The electronic device comprises a wireless earphone mounting zone on which a wireless earphone is detachably mounted on the electronic device. The electronic device further comprises a built-in charging device which is used for charging the wireless earphone mounted on the wireless earphone mounting zone. The invention further discloses a shell body which is used for the electronic device with the conversation function. The shell body comprises the wireless earphone mounting zone for mounting the wireless earphone and a power transmission part. The power transmission part is used for transmitting power in the electronic device to the wireless earphone mounted on the wireless earphone mounting zone to charge the wireless earphone.

The invention relates to a method for storing and accessing file sets under a tree directory structure in a database, which can effectively solve the problems of overall storage and random access when file sets are stored in and extracted from a database system. The technical scheme is as follows: the overall storage extracts the directory structure, file data and attributes of the file sets from a file system to a local memory; organization structure object is serialized; data blocks are stored in the database; the random access recovers the directory structure of the file sets; corresponding files in the database are accessed according to user selection to read out the directory structure data blocks stored in the database; the directory structure data blocks are recovered to data structure objects by reverse serialization; and the information of the directory structure objects are shown to users in the forms of visible file node data structure, directory node data structure and file set directory structure objects. The invention solves the difficult technical problem that files are not supported to be directly stored and randomly accessed in the database in the prior art, thereby having enormous economic and social benefits.

The invention discloses a device and method for intercepting and processing of videos on an OTT box. The method comprises video interception, video parameter setting, adding of special effects to video clips, video clip stitching and video sharing. According to the device and the method provided by the invention, a television is used as a display screen to intercept videos transmitted by the OTT box connected with a network, enhance the effects of the videos, stitch and store intercepted video clips, and share the video clips to a network platform or a cloud system, so as to solve the problem that people cannot clip and store videos while watching TV.

The invention provides a biological mass thermal decomposition, gasification and purification method which comprises, disintegrating the biological mass, gasifying in a furnace, obtaining retort gas, cyclone dedusting, cooling down and purifying, high voltage static coke trapping, making the coke tar bubbles and dust in the coal gas deposit onto the coke collection poles, thus purifying the coal gas, finally washing and dewatering.

The invention discloses a storage system based on a Hadoop distributed computing platform. The storage system comprises an HDFS (Hadoop Distributed File System) general file processing module, a file type judging module, a small file processing module and a timing module, wherein the file type judging module is used for judging whether files uploaded by a user belongs to small files; the timing module carries out timing through setting a timer, accounts the size of medium-small file sequences of the small file processing module when the preset period is reached, and judges whether the size of the small-file sequence is more than a block of an HDFS file system; and the small file processing module is used for storing each small file as a Record in a Sequence File class to form a small file queue. According to the storage system, the quantity of the small files in an HDFS is reduced, and the property of reading the files in the HDFS is effectively improved.

The invention discloses an energy-saving environment-friendly freezing and refrigeration lorry with functions of electric-drive refrigeration and cold accumulation, which is a novel energy-saving freezing and refrigeration lorry for perishable food refrigerated transport. The freezing and refrigeration lorry comprises a lorry, an integrated refrigerating unit, a cold accumulator, a thermal insulation compartment, an air inlet, an air outlet and an intelligent temperature controller, wherein the refrigerating compressor unit is driven to refrigerate by using the electricity in the valley period; and the cold accumulator accumulates the cold which is generated by the refrigerating unit and used for the refrigeration lorry in the traveling process. The electric-drive refrigerating compressor unit does not use gasoline engines or diesel engines, thereby realizing zero discharge of the refrigeration system and reducing the transport cost by more than 10 times. The energy-saving environment-friendly freezing and refrigeration lorry with functions of electric-drive refrigeration and cold accumulation is a breakthrough in the modern food refrigerated transport chain. The invention greatly contributes to energy saving and emission reduction.

The embodiment of the invention provides a method for constructing a low density parity check (LDPC) code check matrix. The method comprises the following steps of: constructing an MB*NB dimensional basic matrix B, which generates code rate R and code length N, of the LDPC code, wherein MB is equal to M / K, NB is equal to N / K, M is equal to N(1-R), K is divergence ratio of the basic matrix and belongs to phi, and phi is a set of common factors of M and N; substituting a K*K matrix for elements in the basic matrix B; and expanding the basic matrix B to be an M*N dimensional check matrix H which is used for encoding or decoding the LDPC code. The embodiment of the invention also provides a method and a device for encoding the LDPC code. According to the technical scheme provided by the embodiment of the invention, the LDPC code with any code rate and excellent performance can be constructed. In addition, the technical scheme provided by the embodiment of the invention solves the storage problem of the check matrix and effectively reduces the implementation complexity of an encoder.

The invention discloses a large data inquiring method based on distribution relation-object mapping processing. The method includes the following steps that firstly, m data processing nodes are selected, a Hibernate Session object is constructed for each data processing node, a distributed Hibernate framework is obtained and a Session resource queue is generated; secondly, a configuration file is set, a storage strategy and a routing strategy corresponding to a list of each type are set, an S list with a data volume is backed up at each data processing node, and an L list with a large data volume is stored to the m data processing nodes in a blocking mode; thirdly, an input inquiring request is analyzed and a corresponding processor is selected according to the type of the inquiring request; fourthly, the selected processor selects the corresponding node from the resource queue to process the inquiring request according to the inquiring request, the corresponding routing strategy, and a processing result is protocoled. The large data inquiring method based on distribution relation-object mapping processing can obviously improve the rate of inquiring large data lists.

The invention discloses a preparation method of phosphogypsum-based anti-cracking mortar applied to interior insulation of an external wall. The preparation method is characterized in that the anti-cracking mortar comprises the following components in percentage by mass: 40-80% of building phosphogypsum, 20-50% of dried sand, 0-20% of cement, 0-5% of fly ash, 0-0.2% of a high-performance plasticizer, 0-0.2% of a thixotropic agent, 0.1-0.3% of a water-retaining agent, 0.01-0.4% of a gypsum retarder, 0-3% of a micromolecular polymer and 0-0.25% of anti-cracking fiber. According to the preparation method, the building phosphogypsum prepared by washing and calcining industrial byproduct phosphogypsum is used as a cementing material, so that the problems that a cement-based material is easy to shrink, hollow and crack are solved; through full use of the characteristics of fast setting and hardening, good volume stability and low own ratio of compressive strength to flexural strength of a gypsum material, the anti-cracking mortar, of which the ratio of the compressive strength to the flexural strength is lower than 2.5, the operable time is 1-2h, the final setting time is shorter than 3h, the insulation board bonding strength is higher than 0.10MPa and breakage occurs inside an insulation board, is prepared. The anti-cracking mortar is applied to the interior insulation of the external wall and low in cost, reduces the environment pollution, and is simple in production process, low in energy consumption and good in product performance; compared with other insulation board crack resisting products, the anti-cracking mortar has higher market competitiveness and is strong in practicality.

The invention discloses an Internet of things heterogeneous data storage method and a storage system. The internet of things heterogeneous data storage method comprises the steps that various types of data are stored in a column-based mode through an HBase distributed storage system, an MySQL metadatabase carries out registration management on the stored data, and finally the data access layer is configured in a centralized manner, so that applications based on the database can use the unified data interface. According to the Internet of things heterogeneous data storage method and the storage system, the unified storage mode is adopted through the unified data interface, the storage of different types of data and data from different sources is effectively supported; the column-oriented storage mechanism is extended by utilizing the HBase technology, so that the storage volume can be extended horizontally; the memory mapping file mechanism is adopted to effectively improve the storage and management efficiency of large files; and the data redundancy storage technology is adopted to greatly improve the system reliability and the accessibility. The Internet of things heterogeneous data storage method and the storage system can well solve the storage problem of various types of data, has efficient storage and utilization capability on large files, and is also low in cost and high in robustness.

The invention discloses a method for processing wheat and producing whole wheat flour by using a steam blasting technology. According to the method, the wheat is subjected to steam blasting treatment, and in the steam blasting process, the temperature is controlled to be 143-180 DEG C and the pressure is controlled to be 0.4-1.9MPa, the process is maintained for 5-20min, and then the blasting is performed instantly to obtain blasting-state wheat, and the whole wheat flour is further prepared. Through processing the wheat by using the steam blasting technology, the wheat can absorb the moisture in the steam, thereby reducing the mechanical strength of wheat bran, the wheat is likely to be peeled and crushed in mutual extrusion, rubbing and collision. In addition, due to the adoption of the pressurizing high-temperature treatment, the problems that the wheat bran is rough and unsmooth, has strange odor, is difficult to digest and the like, are solved.

The invention discloses a target tracking method based on triple twin hash network learning, and relates to the technical field of computer vision, target tracking and deep learning. According to themethod, firstly, a triple twin hash network is constructed, and the network is composed of a data input layer, a convolution feature extraction layer and a hash coding layer. In the initial training process of the network, a training data set and a random gradient descent back propagation algorithm are used for training the triple twinning Hash network, and after training is completed, the initialcapacity of target positioning can be obtained through the network. In the tracking process, firstly, an input image passes through a triple twin region recommendation network to obtain correspondingcandidate frames, then the candidate frames are input into a triple twin Hash network to be subjected to forward processing, the similarity between each candidate frame and a query sample is calculated, the candidate frame with the highest similarity is selected as a tracking target object, and therefore target tracking is achieved.

The invention is concerned with the method that processes the virtual space management to the NAND flash memorizer: establishes mapping table, maps the virtual series useable logical block on the non-series useable physical block, saves the mapping table in the managing module of the virtual space, elides the error block managing part of every non-correlated programming module in order to get the better logical block, the logical space managing module provides the corresponding error block mapping mechanism and finds out the corresponding physical block number function according to the logical block number. The invention can avoid the error block processing problem of several software modules in the mobile phone terminal repeatedly, and also avoid the complex processing when two terminal programs that can not run synchronously both can visit the error block.

The present invention relates to a production method of microwave vacuum freeze-dried lemon slices. Said method includes the following steps: (1), sorting lemon fruit; (2), storing lemon fruit under the condition of constant temperature; (3), utilizing ozone to degrade pesticide residue on the lemon fruit and make sterilization; (4), cutting head and tail of lemon fruit, cleaning the lemon fruit by using ozone water and sterilizing; (5), slicing; (6), freezing sliced lemon; (7), prefreeze-drying; (8), microwave vacuum-drying; and (9), sealing and packaging so as to obtain the invented product.

A reaction cassette for a glycated hemoglobin meter and a measuring method thereof are provided. The reaction cassette for the glycated hemoglobin meter includes: a first zone receiving a first reagent and a blood sample; a second zone receiving a second reagent; a reaction zone in which the blood sample reacts with the first reagent, or through which the second reagent passes to react with a first blood sample mixture obtained by reacting the blood sample with the first reagent; and a measurement zone measuring an amount of total hemoglobin in the first blood sample mixture, or measuring an amount of glycated hemoglobin in a second blood sample mixture obtained by reacting the first blood sample mixture with the second reagent, wherein the blood sample, the first reagent, and the second reagent move between the reaction zone and the measurement zone according to a rotation angle of the reaction cassette when the reaction cassette is rotated. Therefore, since the reaction cassette reduces the operating time, it is possible to resolve storage and distribution problems of the reaction cassette, which occur when reagents are stored in the reaction cassette.

The invention belongs to the technical field of associated contained soil restoration of environment protection and relates to a novel restoration method for organic contaminated soil. The method comprises the following steps of: using an oxidation reaction system consisting of amino carboxylic acid substances (ethylene diamine tetraacetic acid (EDTA), ethylenediaminedisuccinic acid (EDDS), sodium triglycollamate(NTA) and the like), zero-valent iron (ZVI) and air (AIR) to complex dissolved oxygen through a series of reactions between amino carboxylic acid complexing agent and Fe<2+>; and finally, enabling O-O bond to brake and activate for in-situ generating H2O2, reacting the generated H2O2 with Fenton formed by Fe<2+> to quickly degrade organic pollutant in the soil, and simultaneously degrading the amino carboxylic acid complexing agent. Compared with the traditional Fenton and ZVI / H2O2 type Fenton, the novel oxidation system also can react under neutral and alkaline conditions without additionally adding acid to adjust the acidity; the H2O2 can be generated in situ without being additionally added. The restoration method has the advantages of high degradation rate, environmental friendliness, simplicity in operation and low cost, and is an effective method for quickly and effectively restoring high-concentration organic contaminated site soil.

This invention discloses one method to realize intelligent card multiple application, which comprises the following parts: at least one capacitor to store data on each subject with each one composed of at least one application subject set; operation interface of capacitor to realize common needle subject operation. This invention can use capacitor by intelligent card and subject concept application data to provide common operations for outer process.

The invention provides a method and a device for processing files in a distributed file system. The method includes: receiving a user's file operation request which at least includes file description information and an operation type; determining a meta main node used for storing metadata of the file from all nodes of a metadata server according to the file description information, and forming a distributed hash table network by all nodes of the metadata server; determining a block main node used for storing data block of the file from all nodes of a data block server according to the file description information, and forming a distributed hash table network by all nodes of the data block server; and finishing an operation between the meta main node and the block main node according to the operation type. The device comprises a receiving module, a routing determination module and a processing module. By the method and the device, expansion of the distributed file system and mass file content storage can be effectively achieved.

The invention discloses a hexafluoroethane purification method which comprises the following steps: rectifying a hexafluoroethane raw material under the conditions of (-70)-(-35) DEG C and 0.1-1 MPa; performing low-temperature adsorption on the rectified hexafluoroethane raw material under the temperature conditions of (-100)-(-70) DEG C; and performing pressurized adsorption on the hexafluoroethane raw material after low-temperature adsorption under the pressure conditions of 0.5-1.5 MPa, thus obtaining the hexafluoroethane product, wherein the CO2 volume concentration of the hexafluoroethane product is no more than 0.5 ppm, and the H2O volume concentration is no more than 1 ppm. According to the invention, the problem that potential safety hazard is caused due to insufficient CO2 and H2O removal depth and introduction of anhydrous HCl in hexafluoroethane is solved, the energy consumption is reduced, and the adsorption effect of adsorbent is enhanced; and the purity of the hexafluoroethane product is up to 99.9995% or above, thus meeting the requirements for electronic specific gas in the semiconductor and micro-electronics industry.

The invention relates to an agricultural deep-well aid device, belonging to the technical field of aid salvage equipment, which comprises a foldable external device and a winding engine arranged on the top of the foldable external device in a matched mode, wherein the winding engine is in wireless communication connection with a signal transceiver; the foldable external device is a hollow cylinder with the interior capable of containing the well aid device; the top of the well aid device is provided with a rope mounting bracket in a matched mode; a rope on the well aid device passes through the rope mounting bracket and is connected with the winding engine; and the well aid device, the winding engine, the signal transceiver and a control system of a computer are connected through wireless signals. The invention adopts the above technology and has the advantages that the time and the labor are saved; the stability is good; the aid device is controlled and operated by a computer in the course of aid; the flexibility of the aid device in the course of well activities is enhanced; the flexibility of aid is increased; and the success rate of the aid is enhanced.

The present invention provides a video face detection and evaluation method. After selection of an evaluation object is performed on an input video, optimal face evaluation with combination of size, definition and front face possibility is performed on a face, and then an optimal face is selected. The method has the beneficial effects that: after the evaluation object is selected from all images of continuous videos, a comprehensive judgment of the size, definition and front face possibility is further performed on the face of the evaluation object, so that snapshots of the same face at different moments are evaluated based on face tracking to output the snapshot of the human face at the optimal moment as an output snapshot for use and reservation. According to the method, the problem of large storage and computing amounts of a back-end server caused by a large amount of repeated face snapshots generated in conventional face identification is solved, and the problems of duplication and poor effects in acquisition for real-time face detection are solved, and the useful value of the face snapshot is effectively improved.

The invention discloses marbled glass ceramics directly employing fusion blast furnace slag and a preparation method of the marbled glass ceramics. The marbled glass ceramics comprises the following raw materials, by mass, 55-75 parts of blast furnace slag flux and 25-45 parts of auxiliary material flux; and auxiliary materials comprise the following components, by mass, 8.5-19.5 parts of quartz sand, 0.5-5.5 parts of limestone, 1-5 parts of sodium carbonate, 2-5 parts of potassium carbonate, 1-4 parts of zinc oxide, 1-4 parts of ammonium di-hydrogen phosphate, 1-2 parts of spodumene, 2.5-5 parts of sodium fluosilicate, 0.5-1.5 parts of sodium fluoroaluminate and 0.5-1 part of borax. The preparation method is characterized in that through controlling the mixed melting temperature and time of the blast furnace slag flux and the auxiliary material flux, a flux mixture is obtained; through forming, annealing and microcrystallization heat treatment, the marbled glass ceramics is obtained. The molten blast furnace slag and the auxiliary materials are mixed in a flux form and the flux mixture having certain micro-inhomogeneity is obtained accurately, then with the combination of subsequent forming and heat treatment technologies and the like, the marbled glass ceramics is obtained, so that the technology is easy to implement, and the influence of uncertainty on a product in a mixing process is reduced.