171results about How to "Improve processing performance" patented technology

There is provided a method of maintaining a hybrid OLTP and OLAP database, the method comprising: executing one or more OLTP transactions; creating a virtual memory snapshot; and executing one or more OLAP queries using the virtual memory snapshot. Preferably, the method further comprises replicating a virtual memory page on which a data object is stored in response to an update to the data object, whereby the updated data object is accessible for OLTP transactions, while the non-updated data object remains accessible for OLAP queries. Accordingly, the present invention provides a hybrid system that can handle both OLTP and OLAP simultaneously by using hardware-assisted replication mechanisms to maintain consistent snapshots of the transactional data.

The invention relates to high-strength laminated fire-retarding conveyer belt coating rubber and a preparation method thereof. The rubber has both high fire retardance and mechanical strength, and can be used as fire-retarding conveyer belt coating rubber. According to the method, substrate rubber is masticated in a double-roll open mill; stearic acid, an anti-aging agent, a fire retardant, metal oxide, a reinforcing agent, a vulcanization accelerator and a vulcanizing agent are added to the substrate sequentially; the mixture is uniformly mixed in the open mill, such that coating gum is obtained; the coating gum and a bonding layer are vulcanized on a molding vulcanization plate, such that a high-strength laminated fire-retarding conveyer belt coating rubber product is obtained. According to the invention, styrene butadiene rubber, natural rubber, cis-1,4-polybutadiene rubber or a mixture of the three is adopted as the substrate rubber. Compared to a traditional coating material, mechanical strength, flexibility and processing property of the coating rubber are improved, and cost is reduced.

The invention discloses a preparing method of a metal magnetic powder core. The preparing method includes the following steps that (1) master alloy is melt through a vacuum induction furnace, and an alloy thin belt is obtained through a quick quenching device; (2) ball milling is conducted on the thin belt; (3) annealing is conducted on powder; (4) particle size distribution is conducted on the annealed powder; (5) passivant is added into the distributed powder to conduct passivating on the powder, and then a binding agent and an insulating agent are added into the powder to conduct insulating bonding and wrapping on the powder; (6) a lubricating release agent is then added, the mixture is mixed, and compression moulding is conducted; (7) annealing is conducted on a sample obtained through compression moulding, and the sample is cooled along with the furnace, and spraying and coating are conducted to obtain the target product. According to the preparing method, the master alloy contains an appropriate number of alloy elements, so that the alloy processing performance is improved; the alloy powder and an insulating medium are mixed and pressed to be the magnetic powder core, so that eddy-current loss under a high frequency can be greatly reduced; meanwhile, the problem that alloy materials are limited in use due to single shapes is solved through shape diversity of the magnetic powder core.

The invention provides a method for accelerating a lattice-Boltzmann by utilizing graphic processing units (GPUs), and relates to a GPU at a host port and a GPU at an equipment port. The method comprises the steps that the host port gives parameters such as computational domains, the reference length, the freestream velocity, the density, reynolds numbers and the like according to physical problems, and divides thread numbers of a design kernel according to a grid; and the equipment host calculates equilibrium state distribution functions of all lattice points in each direction through the macroscopic parameters (the density, the speed, the reynolds numbers, the viscosity coefficient, and the like), uses the equilibrium state distribution functions as initial fields of the calculation, parallelly solves a discrete equation and processes boundaries, and returns a result finally obtained through iteration to the host port. According to the method, the migration and the collision in the lattice-Boltzmann method are calculated by utilizing the rapid calculation characteristic of the GPU at the equipment port, and the iteration process of the lattice-Boltzmann method is accelerated through coordination operation of the GPU at the host port and the GPU at the equipment port.

The present invention is one kind of polyethylene premix and its preparation process. The polyethylene premix includes high density polyethylene resin in 100 weight portions, carbon lack of average grain size not greater than 25 nm in 35-100 weight portions, fluorocarbon polymer in 0-10 weight portions, and antioxidant of hindered phenol and / or phosphite in 0-15 weight portions. The polyethylene premix with high carbon black content is prepared through banburing and smelting. It may be mixed with polyethylene matrix to obtain mixed material with excellent carbon black dispersivity, excellent ultraviolet ageing resistance, high heat and oxygen stability, good machining performance, low cost and high performance.

The embodiment of the invention provides a method and device for exception handling of an Android platform. The Android platform comprises a JAVA layer and a C++ layer. The method comprises the steps that in the operation process of a certain program on the JAVA layer, when abnormal data of the C++ layer are detected, the abnormal data of the C++ layer are converted into abnormal data of the JAVA layer; the converted abnormal data of the JAVA layer are collected; the abnormal data of the JAVA layer are stored in the Android platform; operation of the program is ended. According to the method and device for exception handling of the Android platform, when it is detected that the C++ layer is abnormal on the Android platform, the abnormal data of the C++ layer are converted into the abnormal data of the JAVA layer, and then the abnormal data of the JAVA layer are collected.

The invention discloses heat-conducting flame-retardant room temperature vulcanized silicone rubber. The silicone rubber consists of the following components in parts by weight: 100 parts of alpha, omega-triethoxy polydimethylsiloxane, 400-1500 parts of an inorganic heat conducting filler, 0.5-5 parts of a filler treating agent, 1-10 parts of titanium dioxide prepared by a vapor phase method, 0.5-15 parts of a cross-linking agent, 0.1-5 parts of a flame-retardant agent, 0-10 parts of a catalyst and 0-5 parts of a silane coupling agent. The silicone rubber and the preparation method use the alpha, omega-triethoxy polydimethylsiloxane so as to improve the processing property and the storing property of a composition system. Compared with the prior art, through the use of the silicone rubber and the preparation method, the compatibility, the storing property and the extrudability of the filler and the silicon rubber are improved, the flame retardance in a UL94-V0 level is realized, and the situation that because a large amount of the inorganic flame-retardant filler is used, the heat-conducting property of the system is influenced is avoided; silicon dioxide prepared by a vapor phase method is added, the thixotropy of the composition is regulated, and besides the heat-conducting property is not influenced; the silicone rubber has good system compatibility, a good regulable heat-conducting property and a good flame-retardant property and can be suitable for a glue point asking for a high heat dissipation property and a high flame-retardant property.

A method and an apparatus for providing a flat array type in an object model for dynamically typed programs are described. Whether an array object is of a flat array type can be dynamically tracked for a dynamic language based program. Array elements of an array object of the flat array type may be stored in an inline storage within an object cell of the array object. The inline storage may be limited by available memory space between adjacent object cells. The flat array type of an array object may be detected based on whether the inline storage has sufficient memory space to store elements of the array. An array object of the flay array type may allow array elements of the array object to be accessed within a object cell without additional memory loading via a pointer stored in the object cell.

The invention relates to a molten preparation method of ultrahigh molecular weight polyethylene fiber, and the molten preparation method is characterized by comprising the following steps: a. ultrahigh molecular weight polyethylene, internal modifier organic nano phosphate, and an antioxidant are fully mixed in a high speed mixer, then are added into a twin screw extruder for mixing and granulating to obtain modified masterbatch, the screw the temperature is 150 to 250 DEG C; b. the modified masterbatch, the ultra high molecular weight polyethylene and an external modifier fluorine elastomer are fully mixed in a high-speed mixer, then added into the twin screw extruder for melt spinning, and are cooled in water bath to obtain nascent fiber, the screw segment temperature is 150 to 260 DEG C, the water bath temperature is 5-20 DEG C; and c. the nascent fiber is processed by 3-stage stretching at 80 to 150 DEG C, and the total stretching ratio is 10-20 times.

Disclosed is equipment for measuring a silicon concentration in a phosphoric acid solution under use as an etching solution during operation of a semiconductor substrate processing system. The equipment is provided with at least a reaction tank and a concentration-measuring tank. The reaction tank includes a reaction unit for adding hydrofluoric acid to a predetermined constant amount of the phosphoric acid solution drawn out of the semiconductor substrate processing system to form a silicon fluoride compound and then causing the silicon fluoride compound to evaporate. The concentration-measuring tank comprises a hydrolysis unit for bubbling the silicon fluoride compound, which has evaporated from the reaction tank, through deionized water to hydrolyze the silicon fluoride compound and a measurement unit for determining a change rate of silicon concentration in the deionized water subsequent to the bubbling. Also disclosed is a method for measuring a silicon concentration in a phosphoric acid solution under recirculation and use as an etching solution in a semiconductor substrate processing system in operation.

The invention relates to a metallocene polyethylene greenhouse film resin composition, by taking the weight of metallocene linear low-density polyethylene as 100%, the metallocene polyethylene greenhouse film resin composition comprises 100% of (1) the metallocene linear low-density polyethylene (mLLDPE), 0.05-0.35% by weight of (2) di-tert-butyl hydrogen peroxide and 0.005-0.041% by weight of (3) tert-butyl peroxybenzoate, wherein the mLLDPE adopts polyethylene prepared by adopting a metallocene catalytic system, the polyethylene is obtained by homopolymerization of ethylene or by copolymerization of ethylene and butylene-1 or hexylene-1, the greenhouse film resin composition can produce a greenhouse film with the breadth of more tahn 8m in a blowing way on an ordinary three-layer compound film blowing machine unit without any equipment transformation, and the film has high tensile strength and tear strength and excellent light transmission. The invention further provides a preparation method of the resin composition.

There is provided a magnesium alloy member having mechanical properties and corrosion resistance and a method of manufacturing the magnesium alloy member. A magnesium alloy member has a base material made of a magnesium alloy, and an anticorrosive film formed on the base material. The base material is a rolled magnesium alloy including 5 to 11% by mass of Al. By using a base material including a large amount of Al, a magnesium alloy member having excellent mechanical properties and high corrosion resistance can be produced. In addition, by using a rolled material, the number of surface defects at the time of casting is small, and the frequency of compensation processes such as undercoating and puttying can be reduced.

The invention discloses a preparing method of modified polylactic acid through hyperbranched polymer, which is characterized by the following: blending 1.0-20% hyperbranched polymer and polylactic acid through fusing; polymerizing commercial acid anhydride and multi-alcohol amine to form hyperbranched polymer at original position with large scale of hydroxy on the end.

In the disclosed method, after receiving service request from terminal user, service net element requests online charging system to carry out authenticating charging for terminal user. Based on stored information, the online charging system ensures paying mode of terminal user, and provides the mode of terminal user to net element. Thus, net element does not need to store coincidence relation between user's number segments and paying mode of terminal user like current technique does so as to reduce memory spending of service net element. Moreover, it is also not necessary to determine whether paying mode of terminal user initiating service request is in prepaying mode or after payment so as to raise handling property of service net element, and reduce maintenance cost of charging system.

The invention provides a preparation method of a high purity nickel wire. The method comprises the processes of: nickel plate electrolyzing; separating by cutting; heating and rolling; welding; cold rolling; annealing; strip separating; cold drawing; annealing, such that semi-finished wire materials are obtained; annealing; and drawing, such that finished nickel wires are obtained. The method provided by the invention has advantages of short production period, high efficiency, low cost, and low consumption. The method satisfies a high purity nickel wire usage requirement from electronic industries. The method can be used for replacing a traditional nickel wire production technology employing a smelting method.

The invention relates to a reinforced high heat resistance and conductivity polyphenyl ether nylon alloy. The nylon alloy is prepared from the following raw materials in percentage by weight: 10-50% of polyphenyl ether, 10-40 parts of nylon, 5-30% of conductive agents, 10-40% of reinforced fiber, 5-15% of compatilizers, 2-20% of toughening agents, 0.2-2% of dispersing agents and 0.2-0.6% of antioxidant. The invention also provides a preparation method of the alloy. The nylon alloy has the advantages that as the appropriate compatilizers are adopted, the compatibility between polyphenyl ether and nylon and the glass fiber is improved and the processability of the alloy is optimized; and the polyphenyl ether alloy has the advantages of excellent conductivity, mechanical property, heat resistance, easiness in processing and the like, simultaneously has lower water absorption than the pure nylons and has better dimensional stability, higher strength and more excellent chemical resistance, so the polyphenyl ether alloy has better application prospect.

An electrochemical deposition system having two or more electrochemical deposition modules arranged on a common platform and configured for depositing one or more metals on a substrate is described. Each electrochemical deposition module includes an anode compartment configured to contain a volume of anolyte fluid, a cathode compartment configured to contain a volume of catholyte fluid, and a membrane separating the anode compartment from the cathode compartment. Each electrochemical deposition module further includes a workpiece holder configured to hold opposing edges of a flexible workpiece between first and second leg members via a clamping mechanism, and a loader module configured to position the flexible workpiece in the workpiece holder while holding the flexible workpiece using an air cushion on each opposing planar surface of the flexible workpiece.

The invention discloses a formula of purple K gold. The formula comprises the following substances in percentage by weight: 21.2-21.6 percent of aluminum, 0.3-0.7 percent of copper, 0.03-0.5 percent of rare earth and the balance of gold. The invention also discloses a preparation method of the purple K gold. The method comprises the following steps of: (1) selecting a group of proportions according to the formula range, and calculating the weight of each substance according to the weight of the alloy which is required to be prepared; (2) adding a gold block into a crucible and heating to 1,100-1,200 DEG C to fully melt the gold block; (3) firstly adding the aluminum into the crucible, then adding the copper and finally adding the rare earth according to the formula, stirring uniformly andpreserving heat at 1,100-1,130 DEG C for 0.5-1 hour; and (4) molding and annealing a molded rough blank at 900-1,100 DEG C for 25-50 hours to prepare the purple K gold. According to the formula and the preparation method, the machining performance of the purple gold is effectively improved while a lilac color of the K gold is guaranteed, and the ductility of the K gold is improved, so that the purple K gold can be machined and applied in more ornaments.

The information record apparatus (1) is provided with: a record device (310) for recording the information onto an information record medium (100) by using laser light having controllable record power; a calibration device (340) for obtaining a calibration value of the record power by recording calibration data to obtain the calibration value into a calibration area (103) arranged in the information record medium to obtain the calibration value; and a first erase device (320) for erasing a part of the calibration data recorded into the calibration area.

The invention discloses a lithium-supplemented electrode of a negative electrode of a lithium ion battery and a preparation method thereof, wherein the lithium-supplemented electrode with the negativeelectrode material or the electrode sheet being pre-lithium treated is coated with an organic thin film layer on the surface of the pre-lithium electrode, and the organic thin film layer is composedof an electrolyte lithium salt dissolved in an organic solvent. The organic coating liquid is prepared by coating electrolyte lithium salt on the surface of the pre-lithium electrode, forming an organic thin film layer on the surface of the pre-lithium electrode, preventing the pre-lithium layer of the pre-lithium electrode from being oxidized, improving the first efficiency, cycle stability and processing performance of the lithium ion battery, and reducing the influence of the production environment on the lithium supplement electrode.

The invention supplies a compounding catalyst system used to make wide / bimodal distribution high density polyethylene. It could take catalysis olefinic polymerization or copolymerizing to make bimodal distribution high density polyethylene.

The invention relates to a transaction distribution method for parallel block building in a blockchain. The method is characterized in that the method comprises the following steps: 1) multiple blockbuilding flows in each blockchain node build blocks in parallel, and carry out simultaneous transaction processing, and transactions are stored in the blockchain after passing consensus; 2) each blockchain node has a unified transaction distribution module, which is responsible for receiving all external transactions and distributing the transactions to different block building flows; 3) the sametransaction in different blockchain nodes must be distributed to the same block building flow; and 4) if dependency relationship exists between the different transactions, the distributions must be processed and distributed according to the dependency sequence, and the depended distributions can be distributed after the depended distributions pass the consensus and are stored. The invention designs a transaction distribution mechanism, so that an existing blockchain single-chain system can run multiple chains in parallel simultaneously to process data, thereby greatly improving processing speed of the blockchain; and for the possible transaction dependence problems in practical application, a general solution scheme is provided, thereby ensuring correctness of the transaction execution result of each node and consistency of execution sequence.

The invention discloses a multi-blockchain cross-chain data processing method and system, and the system comprises a main chain which comprises a main chain verification node, a main chain collector node, and a main chain observer node; multiple sub-chains with each sub-chain comprising a sub-chain verification node, a sub-chain collector node and a sub-chain observer node; wherein each main chainverification node is used for participating in main chain verification; the main chain collector node is used for receiving a sub-chain block proposal; wherein the main chain observer node is used for synchronizing a block state of a main chain, the sub-chain verification node is used for participating in consensus of the main chain and a related sub-chain, the sub-chain collector node is used for monitoring generation of a block and submitting a sub-chain block proposal to the main chain collector node, and the sub-chain observer node is used for synchronizing the block state of the sub-chain. The differentiated feature sub-chains are created for different services, higher-level consensus verification is carried out by means of main chains, the processing performance of block chains is improved on the premise that safety is ensure and diversified demands of services are met.

The invention discloses a building energy efficiency management system based on cloud computing and the big data technology. The system is characterized by comprising a distributed Cache server, wherein the distributed Cache server is connected with an input device, a display device, a uniform interface platform, a business analysis engine module, a data extraction engine module and a business service component module. According to the optimized technical scheme, the Object oriented software architecture is adopted in the distributed Cache server, and the system can be run on the distributed Cache server; only data are packaged in an Object, and the Object is run in a memory of an application server. By means of the system, integration of energy data of a plurality of buildings, storage and calculation of the massive energy data and online energy data mining can be achieved in a wide area network for users, problems existing in an energy consumption mode and structure can be found and solved, and therefore the energy consumption process and mode can be improved, adjusted and optimized specifically, the energy use efficiency can be improved, and the effects of energy saving and consumption reducing can be achieved.

The invention discloses an aluminum-plating-grade casting homo-polypropylene film material and a preparation method thereof. The casting homo-polypropylene film material is made from the raw materials of homo-polypropylene resin, antioxidant and halogen absorbent, wherein the melt flow rate of the homo-polypropylene resin is 6-9 g / 10 min, and the isotacticity index of the resin is 96%-98%. The homo-polypropylene resin can be prepared by the following steps of: adding propylene, which is taken as a raw material, into a loop reactor, adding a catalyst, a promoter, an electron donor and an antistatic agent into the propylene, and uniformly stirring the materials to obtain the homo-polypropylene resin, wherein the reaction temperature in the loop reactor is controlled at 70+ / -1 DEG C, the reaction pressure in the loop reactor is controlled at 3.4-3.8 MPa, and the hydrogen concentration in the loop reactor is controlled at 900-1200 ppm. The polypropylene resin meets the requirements on processability and mechanical property of an aluminum-plated intermediate film layer. The invention further discloses a preparation method of the polypropylene resin.

Parallelization of scalar operations by vector processors using data-indexed accumulators in vector register files, related circuits, methods, and computer-readable media are disclosed. In one aspect, a vector processor comprises a vector register file providing a plurality of write ports and a plurality of vector registers each providing a plurality of accumulators. The vector processor receives an input data vector. For each of the plurality of write ports, the vector processor executes vector operation(s) for accessing an input data value of the input data vector, and determining, based on the input data value, a register index for a vector register among the plurality of vector registers, and an accumulator index for an accumulator among the plurality of accumulators of the vector register. Based on the register index, a register value is retrieved from the register index, and a scalar operation is performed based on the register value and the accumulator index.

This invention discloses a complex material contg. granular packing and thermal liquid polymer (TCLP), mfg. method and use thereof. Said complex material is composed of (by wt. portion): 30-85 nylon 6, 5-70 granular packing and 1-20 TLCP, where-in, granular packing being hollow glass micro-balls (GB), solid glass micro-balls, SiO2 or CaCO3 with granularity of 1-100 mum; TLCP being main-chain type aromatic copolymer with its molten-range of 190-360 deg.C. Said complex material is made by molen-blending method. This product has excellent flow-ability and dimension-stability. It has potential superiority in mfg. thin-wall plastic products of fine-structure plastic products.

The unified memory system includes: a memory accessed from a plurality of masters; a speculative access control section for issuing, in response to a first access request to the memory from a CPU as one of the plurality of masters, a speculative second access request to the memory; and a memory controller for receiving the first and second access requests and an access request to the memory from any of the plurality of masters other than the CPU and executing access to the memory. The speculative access control section issues the second access request according to speculative access information as information related to access to the memory.

The invention discloses a peer-to-peer (P2P) flow recognizing method and device. The method comprises the steps of: receiving a TCP (Transmission Control Protocol) message of a source or destination node as a local node, judging whether the message is a conversation first message and is in an entering direction, if yes, judging whether the information of the destination node of the message exists in a P2P node list, if yes, marking the local conversation as the P2P conversation, if not, recognizing the message by adopting a preset P2P flow recognizing method, if the message is recognized to adopt the P2P flow, marking the local conversation as the P2P conversation, and adding the information of the destination node of the message into the P2P node list; and if the message does not adopt the P2P flow, judging whether the conversation is marked as the P2P conversation, if not, recognizing the message by adopting the preset P2P flow recognizing method, if the message is recognized to adopt the P2P flow, judging whether the direction of the local conversation is the entering direction, if yes, marking the local conversation as the P2P conversation, and adding the information of the destination node of the first message of the local conversation into the P2P node list. The invention accelerates the recognition of the P2P flow.

The invention discloses a compound membrane bioreactor for treating tuber mustard waste water, which is an integrated reactor formed by combining a biomembrane process and active sludge process combined compound bioreaction area and membrane separation. The reactor consists of a membrane suspending area, a membrane piece area, a water feeding system, an aeration system, a water discharge system and self-control equipment. Attached growth biomembrane and suspended active sludge, which are two coexisting microorganisms, cooperate to remove the pollutants from the tuber mustard waste water; and the purified waste water is subjected to sludge and water separation by a membrane and is discharged after reaching standards. The sludge expansion in a salt-containing waste water active sludge treatment process is inhibited by means of filling a filler in the bioreaction area and using the membrane separation component in place of the conventional biological treatment. The reactor has the characteristics that: the microorganism concentration is high; the population structure is diversified; the food chain is long; the impact load resistance is high; the treatment organic load is high; the biological nitrogen and phosphor removal capacity is high; membrane pollution can be relieved and can be controlled easily; the quality of effluent is high; the project investment and operation cost arelow; and the like.