96results about How to "Multiple storage spaces" patented technology

The invention provides a data processing method after upgrades of preset applications. The method comprises the steps as follows: after the preset applications are upgraded, a first application package of the upgraded preset applications in a data partition is compared with a second application package of the preset applications before upgrading in a system partition; identical files in the first application package and the second application package are deleted according to a comparison result; reduced identification information is added to the first application package after deletion processing, and program files are loaded from the first application package and the second application package after deletion processing according to the reduced identification information respectively during starting of the upgraded preset applications. According to the method, repeated resources in the first application package in the data partition and the second application package in the system partition are removed, so that storage space occupied by the preset applications in the data partition is greatly decreased.

The invention relates to an active graphene composite electrode material. The active graphene composite electrode material is characterized in that active carbon particles are uniformly distributed between the surface and the sheet layer of provided or prepared active graphene; the weight percent of the active graphene in the composite electrode material is 5-90%; when the weight percent of the active graphene is lower than 30%, a third component which is not more than 10% of the total mass of the composite electrode material is added. The adopted active graphene and active carbon are of similar structures, and the active carbon can be prepared through methods of physical activation, chemical activation and physical and chemical combined activation. A porous structure of carbon is formed through gas action in the physical activation method, and a porous structure of carbon is formed through certain chemical reagent action in the chemical method, thus the specific surface area of carbon material is greatly improved. The specific surface area is greatly increased, so that more diffusion paths can be provided for ion transmission.

The invention relates to the field of wireless communication, and discloses an IP message processing method and apparatus. In the embodiment of the invention, the method comprises the following steps:when an IP message is received, obtaining a message type of the IP message and an index value of an address pair of a message header of the IP message in a corresponding address list, wherein the address pair comprises a source address and a target address; and replacing the message header of the IP message with a preset message header, and storing the IP message, wherein the preset message header comprises a message header and a compressed data portion, the message header is used for storing the index value and indicating a type identifier of the message type of the IP message, the compressed data portion is used for storing compressed data, and the compressed data are data formed by compressing the information excluding the addresses in the message header of the IP message. By adoptionof the IP message processing method and apparatus disclosed by the embodiment of the invention, when the received IP message is stored, the storage space occupied by the message header of the IP message is reduced as much as possible, so that more storage spaces are saved to store more IP messages.

The invention relates to the field of software management, in particular to an application management method and device. The method comprises the steps that the use frequency of each application and the time for using the application last time are obtained firstly; whether the time interval between the current time and the time for using the corresponding application exceeds a preset time threshold or not is judged, if yes, whether the use frequency of the application is smaller than a preset frequency threshold or not is judged, and if yes, deleting operation is conducted on the application. According to the application management method and device, whether the application is useful for a user or not is judged according to the time for using the application last time and the use frequency of the application, and therefore whether the application needs to be deleted or not is judged; in this way, deleting processing is conducted on the applications which are useless or are less used in time, therefore, more storage spaces are released, the utilization efficiency of system resources is improved, the use efficiency of the user to the applications is improved, and waste of the resources is avoided.

The invention belongs to the field of electrochemical energy and particularly relates to a preparation method of a cathode material for a lithium-air battery and the lithium-air battery. A Co3O4@Ni nanowire array prepared by using a hydrothermal process has larger specific surface area; porous structures and ideal specific surfaces of nanowires are obtained by the low-temperature calcination process, and further the contact area between electrolyte and an electrode is increased, therefore, more reactive sites are provided for ORR and OER processes. The surfaces of the nanowires become rough after the nanowires are soaked; with the rough surfaces, the specific surface area of the nanowires is increased and a greater storage space is provided for discharge products. In addition, Co3O4 is reduced after the nanowires are soaked, oxygen vacancies and surface defects are increased and catalytic active sites are also increased, so that reversible formation and decomposition of a weak crystalline film-like discharge product on the surface of a catalyst are favorably promoted, therefore, the integral performance of the lithium-air battery is significantly improved.

The invention relates to a multi-level cache sensitive indexing method for a database, and belongs to the technical field of efficient database query in computer databases. An index structure is divided into two levels by studying the behavior characteristics and the physical characteristics of different levels of storage media, and the different levels are specially optimized according to the difference of the storage media. The internal nodes of an index tree are similar to those of a B+ tree, and the node fan-out degree of the internal nodes is improved for the main memory-cache level according to a cache access mechanism by adopting an internal node division mode. By adopting a compression coding mode on keywords inside internal node subareas, the utilization rate of the main memory space utilized by the internal nodes of indexes is improved, and the cache hit rate is improved. The leaf nodes of the index tree are Bloom filters for establishing pages for storing keywords in a memory by adopting the Bloom filter technology in the probability theory based on the magnetic disk-main memory level, and are organized into index leaf nodes, so that the number of magnetic disk exchanges in the query process is reduced.

The invention relates to a graphene/conducting polymer composite electrode material. The material is characterized in that a conducting polymer is uniformly distributed between the surface and lamellas of graphene having a porous structure; the mass ratio of the graphene to the conducting polymer is (1:1)-(1:10); the specific surface area of the graphene is 1200-2300m<2>/g. The adopted graphene has the porous structure, so that the transmission speed and the diffusion space of ions are increased and the influence that the performance cannot be fully played due to the stacking of graphene sheets is reduced; the composite material is simple in preparation process and easy in scale production. The graphene/conducting polymer composite electrode material can serve as the electrode material of lithium ion batteries, solar batteries, super capacitors and the like.

The invention discloses a cleaning head with a water spraying function and a wet vacuum cleaner with the cleaning head. The cleaning head with the water spraying function comprises a wiping head, a housing, and a water spraying mechanism, wherein the wiper head is accommodated in the housing; the water spraying mechanism includes a nozzle positioned at a side wall position of an inner cavity of the housing and disposed toward the wiper head and a liquid supply line communicating with the nozzle; and the nozzle is positioned outside an outer contour of the wiper head. The cleaning head with a water spraying function solves the problems that the spray head of the prior art cleaning head cannot be arranged on the outside of the wiper head, and the spray head cannot spray the liquid onto the part of the wiper head close to the inner wall of the shell, and the wiper head has a dry part, and cannot be uniformly wetted, thus leading to poor cleaning ability of the wiper head and even scratches on the cleaned surface.

The invention discloses a method and a system for compressing a sparse weight matrix of a convolutional neural network full connection layer, and the method comprises the following steps: 1, obtaininga full connection layer sparse weight matrix A of a convolutional neural network to be optimized, and decomposing the weight matrix A into a position matrix B and a non-zero value array C; wherein the size of the position matrix B is consistent with that of the sparse weight matrix A; in the position matrix B, the numerical value of the corresponding position with the non-zero value in the sparseweight matrix A is 1, and the numerical values of other positions are 0; and step 2, taking the position matrix B obtained in the step 1 as a binary matrix, and carrying out lossless compression meeting a preset image compression standard. According to the method, the compression rate of the sparse weight matrix of the full connection layer can be improved, and more storage space is saved.

The invention discloses a double-shaft servo control platform debug system. The system comprises a microcontroller, an embedded file system, a debug module, a storage module and a back-up module, theembedded file system and the storage module are installed in the microcontroller, and debug software and operation software are programmed in the microcontroller; in the debug process, the embedded file system is used for managing software in the microcontroller, the operation software is extracted from the microcontroller and taken as back-up software, and the back-up software is sent to the back-up module; the debug module is used for storing a debug program, and when the back-up module receives the back-up software, the debug program is sent to the microcontroller and used by the debug software of the microcontroller; the microcontroller is used for operating the debug software, transmitted by the debug module, of the microcontroller to generate debug parameters, and the debug parameters are sent to the storage module; the storage module is used for storing the debug parameters transmitted by the microcontroller.

The invention discloses a self-tapping screw for a plastic part and belongs to the field of self-tapping screws. The self-tapping screw comprises a nut and a screw rod and further comprises a washer. The nut is arranged at one end of the screw rod, and the other end of the screw rod is a flat-head end face; a transition arc is disposed in the combining position of the flat-head end face and the side surface of the screw rod; the screw rod is provided with a screw thread which is arranged in the whole length direction of the screw rod; the washer is fixedly connected with the screw rod; one end face of the washer abuts against the nut; the nut is a hexagonal pan head nut; a cross-shaped countersunk head groove is formed in the center of the upper end face of the nut. By means of the technical scheme, the mounting performance is high when the self-tapping screw fastens the plastic part, damage to the plastic part is avoided at the same time, and the self-tapping screw is reasonable in structural design, simple in principle and low in cost.

The invention provides a call log processing method, and call recording method and device. The call log processing method includes acquiring the important degree identification of the call log at first, and acquiring the generation time of the important degree identification being non-important call record; determining whether the generation time exceeds the preset time threshold; and deleting the corresponding call record when exceeding the preset time threshold. In the scheme, when the storage time of the call record is too long, the important call record can be continuously maintained through the important degree identification. The method provides the user with the call evidence through the call record, so that the invisible sound is changed into tangible evidence, and when the call record storage capacity is too large as the time goes on, the non-important call record can be deleted to release more storage space, the problems of having too much call record due to long time accumulation and occupying too much storage space can be prevented, and the utilization efficiency of the storage space is improved.

Embodiments of the invention disclose a valid data search method based on NAND flash and a NAND flash storage device. The method comprises: according to a reverse mapping table stored in a data block,obtaining reverse mapping relations of physical addresses and logical addresses of target data stored in the data block; according to the reverse mapping relations, obtaining forward mapping relations of the logical addresses and physical addresses of the target data from a forward mapping table stored in a mapping table block; comparing the reverse mapping relations with the forward mapping relations, when a comparison result is consistent relation, determining the target data to be valid data. Through the technical scheme, the method improves efficiency of searching valid data, so as to rapidly release more storage space and improve performance of a storage device.

The invention discloses a method for the optimal distribution of cloud storage resources, belonging to the cloud storage resource management field. According to the method, an application program needing storage resources, a clod resource proxy, cloud middleware, a storage resource pool and a cloud system server are sequentially connected in structure; when the application program requests resources from the cloud system server; the cloud system server distributes the cloud storage resources according to the request for the resources and the supply of the resources; when the supply of the resources is greater than the request for the resources, the cloud system server responds to the request of the application program according to priority; when the supply of the resources is equal to the request for the resources, the resources are distributed according to Pareto optimal theory. Compared with the prior art, the method for optimal distribution of cloud storage resources provided by the invention has the advantages of improving the storage resource utilization rate, simplifying the storage resource management and reducing the storage cost.

The invention relates to a fruit storage cabinet internal placing frame for electronic commerce. A corrugated bottom plate is provided with corrugated plate bending reinforcing plates, the corrugatedplate bending reinforcing plates are folded edge parts of the corrugated bottom plates, large side walls are arranged on the corrugated plate bending reinforcing plates at two sides and are fastened through second fastening bolts, small side walls are arranged at the other two sides of the corrugated bottom plate and are installed through third fastening bolts, the bevel edges of the small side walls are welded to the large side walls, the small side walls on both sides are also connected with hanging rings, the small side walls are welded to the hanging rings, one ends of the small side walls are provided with water baffles which are tightly connected through fourth fastening bolts, the other ends of the small side walls are provided with water receiving boxes which are tightly fastenedthrough the first fastening bolts, and a reinforcing beam is arranged below the placing frame and is fastened by second fastening bolts.

The invention relates to a NandFlash data management method for electric power acquisition equipment. The method comprises the following steps of:searching and selecting an erase unit block with a minimum byte in a NandFlash physical area in power acquisition equipment for management; selecting an erase unit with minimum bytes as a minimum erase unit block, after dividing the minimum erase unit block into N minimum units, obtaining a first writable unit, storing data in a data cache area into the first writable unit, once the offset of the first writable unit is N-1, erasing the data in each minimum write-in unit in the minimum erasing unit block, and rewriting the cache data from the first minimum write-in unit in the minimum erase unit block, so that the tail winding processing of each minimum write-in unit is realized, more storage space is vacated, the previous data is prevented from occupying the space of the minimum erase unit block, the frequent storage of the data into the NandFlash can be avoided, and the space utilization rate of the NandFlash can be improved.

The invention relates to the technical field of integrated wall cupboards used in rest rooms, in particular to an integrated intelligent lifting wall cabinet. The integrated intelligent lifting wall cabinet comprises an integrated wall cabinet, two fixing guide rails and six groups of lifting wheels, wherein each fixing guide rail is in sleeved connection with three lifting wheels, the cross section of each fixing guide rail is I-shaped, the cross section of each lifting wheel is concave-shaped, sliding wheels are arranged between the fixing guide rails and the lifting wheels, first openings are formed in the inner sides of the lifting wheels, the fixing guide rails are embedded into the first openings, second openings are formed in two sides of each first opening, third openings are formed in the inner sides of the second openings, third openings are formed in the outer sides of the fixing guide rails, the sliding wheels are embedded between the second openings and the third openings,rotary shafts are arranged on two sides of each sliding wheel, rotary shaft holes are formed in the second openings, and the rotary shafts are clamped into the rotary shaft holes.

The invention relates to a classifying and sharing garbage can. The classifying and sharing garbage can comprises a can body and a support frame, wherein the support frame comprises vertical rods anda reinforcing cross rod, and the can body is installed on the upper ends of the vertical rods; a partition is fixedly installed in the can body, and the sides of the partition make sealing contact with the inner wall of the can body; a driving rotating shaft is installed on the bottom side of the partition, and the driving rotating shaft is parallel to the bottom side of the partition; an adjusting plate fixedly sleeves the driving rotating shaft, and the adjusting plate can be driven to rotate back and forth around the axis of the driving rotating shaft by the driving rotating shaft; and during rotation, the sides of the adjusting plate make sliding contact with the inner wall of the can body, and the bottom side of the adjusting plate makes sliding contact with the bottom wall of the canbody. The classifying and sharing garbage can has the advantage of novel and unique structure, the storage space can be intelligently and dynamically adjusted, the garbage storage efficiency is improved, garbage is effectively prevented from mixing and discarding, and the garbage classifying effect is improved.