477results about How to "Meet high performance requirements" patented technology

The invention discloses a network card drive-based zero copy Ethernet message capturing and transmitting implementation method under Linux. The method comprises the following steps of: 1, mapping the whole physical memory to a user process space by using a user process; 2, managing message received by a message driving module and message to be transmitted by the message driving module in a queue mode; 3, isolating the influence of discrimination of various network card drives on the user process by using the message driving module; and 4, after the various network card drives are loaded successfully, registering equipment and related operating methods to the message driving module. The method is implemented layer by layer so that the method can simultaneously support multiple types of network cards and is easy to add support for new network cards. The method can realize high-performance message capture and transmission without one-time copy in the message capture and transmission process, and is suitable for the situations with high requirement for transceiving of the message such as network traffic monitoring and analysis and the like.

The invention provides a manual transmission lubricating oil composition. The manual transmission lubricating oil composition comprises (a) at least one mineral oil and / or synthetic oil with high viscosity index, (b) at least one viscosity index improving agent, (c) at least one pour point depressant, (d) at least one phosphorus-containing antiwear agent, (e) at least one sulfur-containing extreme pressure agent, (f) at least one friction improving agent, (g) at least one clean dispersion agent, (h) at least one antioxidant, (i) at least one antirust agent, (j) at least one metal deactivator and (k) at least one anti-foaming agent. The manual transmission lubricating oil composition provided by the invention meets the vehicle gear oil viscosity level of 75W / 80 or 75W / 85, has excellent high-low temperature performances, anticorrosion performance, antirust performance and shearing-resistance performance, especially has excellent synchronizer friction performance, can be used for a manual transmission with a synchronizer, and can be completely suitable for the improvement of oil product performance requirement brought about by technique improvement of the manual transmission at present.

The invention discloses a resonance-force balance capacitance type three-axis acceleration transducer and a manufacture method thereof, belonging to the field of microelectro mechanical systems. The resonance-force balance capacitance type three-axis acceleration transducer is structurally characterized by comprising an intermediate silicon sheet (1), an upper cover plate (2) and a lower bottom plate (3), wherein the intermediate silicon sheet (1) comprises a dual-end clamped beam resonators (4), a mass block (6), a support beam (5), a movable electrode (7) and a frame (8). The resonance-force balance capacitance type three-axis acceleration transducer is characterized in that an X axis and a Y axis acceleration signals in a chip plane are detected by adopting the dual-end clamped beam resonator (4) on the aspect of detection principle, the change of the resonance frequency of the dual-end clamped beam resonator (4) reflects the size and the direction of acceleration; and a Z axis acceleration signal in a vertical chip plane is detected by adopting a capacitance type sensitivity principle, and works in a closed loop force balance working mode. The mass block (6) has little motion displacement in the normal of a chip, and the Z axis input acceleration signal has little chiasma interference caused by detection of X axis and Y axis accelerations.

The invention relates to the technical field of metal alloy formation and manufacturing, and provides a high-entropy alloy powder material system and an added material manufacturing method thereof. Based on such multiple added material manufacturing technologies as powder machine selective high-energy beam melting formation and coaxial powder feeding near net forming, an AlCoCuFeNi high-entropy alloy powder composition and an added material manufacturing process are determined through experiments. The method has the following beneficial effects: high-entropy alloy powder and an alloy component prepared by adopting the added material manufacturing technology have simple body centered cubic structures, and are high in compactness and excellent in mechanical performance; and meanwhile, the preparation process is low in cost, easy to operate and high in production efficiency. The material and the preparation process can directly perform added material manufacturing to form high-entropy alloy parts.

The invention relates to a protruding point luminescent diode, wherein a protruding point lower metal is plated on an electrode of a protruding point luminescent diode chip, metallic protruding points are grown on the upper portion of the protruding point lower metal, a passivation layer is grown on the surface of the upper portion of the luminescent diode chip excepting the surface of an electrode, a welding pad is made on a packing support, the metallic protruding points of the protruding point luminescent diode are inversely welded on the welding pad of the packing support. The method for preparing the diode comprises the following steps: making the passivation layer, sputtering a metal sacrificial layer, making a photoresist mask, forming the metallic protruding points, removing the photoresist mask, removing the metal sacrificial layer, reducing, cutting into separated chips and inversely welding on an SMD support, and then forming an inversely welded LED die set. The method enables the chip of the luminescent diode to be without the gold wire bonding and the die bond technique, directly switches a circuit and assembles the chip on a base plate or a metallic support, realizes the miniaturized package and the die set with multiple chips, and successfully solves the problem of the heat dissipation of the luminescent diode.

The invention relates to a GH3600 alloy fine thin-walled seamless pipe manufacturing method, which comprises: adopting methods of vacuum induction smelting and electroslag remelting smelting to smelt a casting ingot meeting requirements; adopting a 2000 or 4000 ton rapid forging and 1300 ton radial forging thermal combined forging process to carry out cogging on the casting ingot so as to ensure complete crushing of the thick and large structure of the casting ingot, produce the round pipe billet with the uniform structure, increase the plasticity of material, and saves energy consumption; adopting a hot extrusion process to produce a lateral so as to ensure the uniformity of the internal structure of the lateral and the high quality of the external surface of the lateral, and make the performance of the produced finished product pipe excellent; and adopting a multi-pass cold rolling and cold drawing process and the matched heat treatment process, and assistedly adopting the special lubrication process and the cleaning process to control the structure and the high performance of the pipe so as to finally obtain the GH3600 alloy fine thin-walled pipe with characteristics uniform and fine pipe structure and high comprehensive performance.

The invention provides a method for processing message and a device thereof. The method includes receiving a message from an external equipment; packaging the message with a VLAN (Virtual Local Area Network)mark which is corresponding to the user equipment sending or receiving the message; determining a virtual family gateway corresponding to the VLAN mark to make convenience for processing the message packaged with the VLAN mark by the virtual family gateway which is corresponding to the user equipment. The device includes an interface board and a service board. In the invention, by packaging the VLAN mark which is corresponding to the user equipment and the virtual family gateway onto the received message, i.e. the identification and isolation of the virtual family gateway can be realized by the VLAN mark, thus, large amount of virtual family gateways which are capable of providing family gateway function can be virturalized with limited resouce, and the requirement of high performance, small volume and low consumption is satisfied.

The invention discloses an early strength grouting material which belongs to the field of engineering material, and is formed by the following mixed compositions by weight portions: 38-50 portions of special cement, 46-55 portions of skeletal material, 4-10 portions of gypsum, 0.3-0.6 portion of water reducing agent, 0.05-0.06 portion of coagulant agent, 0.02-0.03 portion of delayed coagulant, and 0.01-0.02 portion of water retention agent. The fluidity of the early strength grouting material of the invention is more than 350 mm at the beginning and is more than 300 mm after 10-30 minutes, the compressive strength is more than 20 Mpa after 30 minutes to 2 hours; the early strength grouting material has good cohesive force, has no cracks and has stable strength, suitable for emergency repairing and grouting in the joints of roads and bridges, rapid grouting in the supports of high-speed railways and bridges, emergency repairing of the concrete pavement in airports, and other special engineering.

The invention discloses a flame-retardant high temperature-resistant epoxy resin composition capable of being used for pultrusion and a preparation method thereof. The flame-retardant high temperature-resistant epoxy resin composition capable of being used for pultrusion comprises three components of A, B, and C, and is characterized in that the A component comprises diglycidyl ether epoxy resin, cycloaliphatic epoxy resin and an epoxy resin active diluents; the B component comprises cycloaliphatic acid anhydride, arene poly(acid anhydride), a thermoplastic phenolic resin curing agent, a maleic anhydride-grafted rubber flexibilizer, a polysiloxane toughening modifier, and an epoxy resin curing accelerator; the C component comprises an inorganic fire retardant which has an ultrafine particle size and is subjected to surface modification by a silane coupling agent and a hydrophobic modifier; the weight ratio of the A, B, and C components is that A:B:C=100:50-250:20-150.

The invention relates to a high performance bridge structure steel plate as well as a production method. The steel comprises the chemical constituents, in weight percent: 0.02 percent to 0.06 percent of carbon, 0.15 to 0.25 percent of silicon, 1.40 percent to 1.60 percent of manganese, phosphorus<=0.02 percent, sulfur<=0.010 percent, 0.025 percent to 0.045 percent of niobium, 0.008 to 0.020 percent of titanium, 0.020 percent to 0.050 percent of aluminum, 0.15 to 0.30 percent of nickel, 0.25 to 0.35 percent of chromium, 0.15 to 0.30 percent of molybdenum, 0.25 to 0.35 percent of copper, nitrogen<=0.005 percent, balance iron. The method has the production processes of: 1. hot metal pretreatment, 2. converter smelting, 3. LF refining, 4. VD vacuum degassing or RH decarburization degassing, 5. continuous casting, 6. slab heating, 7. rough rolling, 8. finish rolling, 9. cooling control by ACC, 10. tempering, 11. finishing, and 12. warehousing to finished products.

The invention relates to a preparation method of aqueous two-component super wear-resistant lusterless paint. The lusterless paint comprises an ingredient A and an ingredient B and a mole ratio of OH to NCO in the ingredients A and B is 1: 1.0-1.5. The ingredient A comprises a hydroxyl-containing aqueous resin, SMA resin, PMMA microspheres, aqueous color paste, auxiliary agents and water. The ingredient B is an aqueous polyurethane curing agent. A film of the aqueous two-component super wear-resistant lusterless paint has excellent high temperature resistance, super wear resistance, water resistance, weatherability and chemical stability. The preparation method improves paint surface texture, fullness, flexibility, smoothness and delustring effects and does not influence paint film texture and a brilliant degree. The aqueous two-component super wear-resistant lusterless paint has low VOC, does not contain heavy metals, is environmentally friendly, can be widely used for surface coating and protection of a base material with high temperature resistance, wear and scratch resistance and lusterless effect requirements and can be used for aqueous floor paint, aqueous high-grade woodenware paint, aqueous plastic cement paint, aqueous mobile phone paint and aqueous industrial paint.

The invention provides a five-shaft milling method for a complex curved surface. The method selects a hard uncoated milling-cutter with 0.2-0.8 [mu]m ultrafine or microfine particulars, wherein the milling-cutter uses a conical or tapered-conical structure with a cutter teeth Z of 3-5 blades, a helix angle beta of the blades is more than or equal to 45 DEG, a length to diameter ratio of the cutter D / L is less than or equal to 15, climb milling is used, cutting action of the cutter pulls the cutter to cut, a cutting-in point and a cutting out point of a cutter path are arranged outside the curved surface, the cutter path is along an arc tangent direction when workpieces are cut in or cut out, directions of the cutter path are changed outside the curved surface, a distance of the cutter path away from the curved surface is not less than 1 to 4 times of a tool diameter D; during processing, a tool feed amount Fz is less than or equal to 0.11-0.5 mm, a cutting speed V is 17-260 m / min; during a rough machining and a fine finishining, different cutting depths are selected, the fine finishining need a reserved amount of 2-0.7 mm; and oil gas spray of compressed air is used to cool and lubricate.

A cache control method comprises steps as follows: a cluster comprising a plurality of servers forms a layered network structure; each layer in the structure is formed by connecting a plurality of nodes in the form of a set first structure; each first structure forms a node of the previous network structure; the bottommost layer comprises one or more first structures, each server in the cluster is taken as a node in the first structure of the bottommost layer; the first structure is formed by n nodes according to the preset rules: each node of the n nodes is connected with k nodes in the n nodes, k is larger than 0 and smaller than n, and n is larger than 1; and when cache data are judged to be updated, an update notification is sent to the first structure on the top layer and transmitted to the first structure on the bottommost layer in a layer-by-layer manner until all the nodes of the first structure on the bottommost layer acquire the updating notification, so that the servers in the cluster can update the cache data. The invention further provides a cache control system. According to the cache control method and system, the local cache of each server in the cluster can be timely updated and synchronized.

The invention discloses a behavior identification system based on wireless signal identity. The system comprises an identification system server, one or more signal receivers, a signal emitter and a user terminal. According to the system, more devices can be adaptively added for acquiring signal intensity indications at the same time in a convenient way, and the reliability and the coverage scope of the system are further improved. The invention further discloses a behavior identification method based on wireless signal identity. According to the method, all processing flows are concentrated at the identification system server, the functions of the signal receivers are more simplified, and what is needed is only to acquire signals and send the signals to the identification system server, such that the physical performance requirements of the receivers can be reduced, the volume of the receivers is smaller, the price is low, the cost of the whole system is decreased, and at the same time, the disposition is quite convenient.

The invention provides a popup window page generation method and apparatus, a browser and a storage medium. The method comprises the steps of receiving an input instruction of triggering a popup window page in a main page; according to the input instruction, asynchronously requesting for page information by utilizing AJAX; receiving the page information returned by a server; and according to the page information and preset popup window configuration information, loading the popup window page. The problems of relatively high server performance requirement and low webpage loading speed caused byfrequent resource requesting and allocation in a popup window page display process are solved; a popup window function in a webpage making process can be realized without frequently performing URL resource allocation of the server; the server performance requirement is low; the page loading speed is increased; multi-browser compatibility is supported; and a use process is convenient and easy.

The invention provides a multi-tenant network optimization method. The method comprises the steps of establishing a plurality of virtual machines and a plurality of tenants, wherein the plurality of tenants at least comprise a first tenant and a second tenant, and the plurality of virtual machines at least comprises a first virtual machine and a second virtual machine; configuring the first virtual machine as the virtual machine of the first tenant, configuring the second virtual machine as the virtual machine of the second tenant; configuring a network of the first tenant as a self-service network and configuring the network of the tenant as a shared external supplier network; and deploying a virtual router and carrying out connection on the self-service network and the shared external supplier network through the virtual router. Personalized setting demands of the tenants for a private cloud are satisfied and the demands of the tenants for the network performance are improved. The invention also discloses a multi-tenant network optimization system, a computer device and a memory medium.

The invention discloses a PCD tool cutting edge processing method which includes the following steps that firstly, PCD composite piece cutting is conducted, wherein a linear cutting method is used for cutting the whole PCD composite piece into a plurality of PDC blades; secondly, blade welding is conducted, wherein the PCD blades are welded to a tool base body, and a PCD tool is obtained; thirdly, a cutting edge of the PCD tool is processed, wherein laser cutting processing is conducted on the PCD tool through a laser cutting device according to the design requirement of the shape of the tool, and the PCD tool with a flat cutting edge is obtained. The PCD tool cutting edge processing method improves the processing rate of the cutting edge of PCD tool materials, shortens the production cycle of the tool, reduces the processing cost of the PCD tool and obtains the good quality of the cutting edge of the PCD tool, according to the PCD tool processed through the laser cutting of the cutting edge, the breaking size of the cutting edge can be controlled within 2 microns in length and 2 microns in width, the breaking number is small, and the number of broken edges in the range of 10 mm is smaller than or equal to 5.

The invention provides a composite coating on the surface of a valve sealing piece. The coating takes the valve sealing piece as a base body and consists of a Cr layer, a Cr / Cr2N layer formed by mixing Cr and Cr2N, a Cr2N layer, a Cr2N / CrN layer formed by mixing the Cr2N and CrN, and a CrN layer. Compared with an existing CrN coating with a single structure, the composite coating with multiple layers of gradients has the advantages that the bearing and anti-abrasion capability and the corrosion resistance are improved. Furthermore, the composite coating is prepared by a multi-arc ion plating technology, and the respective layers are obtained by sequentially performing deposition on the surface of the base body by controlling the argon flow, the nitrogen flow and the deposition time; the preparation method is simple and feasible; batch production can be realized; the composite coating has a good application prospect.

The invention discloses a chlorinated polyvinyl chloride tube stock and relates to the field of electric power instruments. The chlorinated polyvinyl chloride tube stock is prepared from the following raw materials in parts by weight: 75 parts of CPVC resins, 50 parts of PVC resins, 25 parts of light calcium carbonate, 12.5-15 parts of MBS resins, 8-10 parts of heat stabilizers, 1-2 parts of lubricants, 5-8 parts of chlorinated polyvinyl chloride, 2-5 parts of ACR processing agents and 0.5-1 part of molybdate red. The invention also discloses a preparation method for the chlorinated polyvinyl chloride tube stock. The preparation method comprises the following three steps: primarily mixing, blending and extruding. According to the preparation method provided by the invention, the formula of the tube stock is optimized; the dosage of the main raw material CPVC resin is less; compared with the traditional technique, the dosage of the CPVC resin is reduced by 30%; a compound toughening system is used for acquiring the tube stock with excellent performance the rigid-tough balance of the tube stock is realized; the shock strength, the tensile yield strength and vicat softening temperature of the tube stock are all at higher level; besides, the preparation technique is optimized, so that the performance requirement of the products meets the scheduled object and the product qualified rate and the productivity are both obviously increased.

The invention relates to a longitude and latitude overlapping non-weaving composite material, in particular to processing equipment of the longitude and latitude overlapping non-weaving composite material. The processing equipment comprises a creel, a dragging silk distribution device, a tension regulator, a wire feeder, a glue spraying device, an immersion device, a drier, an anti-static device and a winder which are successively connected in order. The product produced by the bidirectional equipment at 0-90 degrees adopted by the invention can solve the problem that fiber can not be completely immersed in thermoplastic resin to ensure that fiber is fully immersed in an immersion groove; thus mechanical properties and certain physical properties, such as tensile strength, flexural strength and the like of the product can be greatly improved; particularly, the bidirectional product at 0-90 degrees has same mechanical property and physical property in lateral direction and longitudinal direction so as to meet the high property requirement of various products.

The invention discloses a piston ring of a chrome-base ceramic composite plating layer, comprising a first gas ring, a second gas ring, an oil ring-closure piece, wherein the first gas ring adopts a trapezoidal half-inlaid oblique barrel surface, namely that the section of the first gas ring is in a trapezoidal shape, and ceramic particles are inlaid on an outer circle-face part; the second gas ring adopts an anti-twist taper-face ring; the oil ring-closure piece is an antidromic chamfer-angle spiral spring oil ring, and the spring pitch is adjustable in the oil ring; the three rings are arranged in a piston ring groove, and openings of the first gas ring and the second gas ring are staggered. A chrome-base ceramic composite plating layer is plated on the outer circle face of the first gas ring, and the ceramic particle content reaches 5-6 percent in the chrome-base ceramic composite plating layer. In the invention, the piston ring can bear larger heat load and mechanical load; when the piston ring and a cylinder-wall oil film are in a bound state, a cylinder scuffing phenomenon can not be generated, meanwhile, because the high-hardness ceramic particles are inlaid, the wear resistance is greatly increased, and the invention can satisfy the high-performance requirement of a modern engine and has long service, low emission and high performance.

The invention relates to a fault tolerant memory and an error-correction fault-tolerant method thereof. The fault tolerant memory comprises a first-layer memory array, a first-layer decoding logic, a public redundant row, a public redundant line and a first-layer memory error-correction fault-tolerant circuit; the first-layer memory array consists of a plurality of zero-layer memories; the zero-layer memories comprise a zero-layer memory array, a zero-layer decoding logic, a private redundant row, a private redundant line and a zero-layer memory error-correction fault-tolerant circuit; and the zero-layer memory array consists of a plurality of memory words. The error-correction fault-tolerant method is as follows: first, a fault is replaced by the private redundant row and the private redundant line on the zero layer, but if the fault can not be replaced, the fault is replaced by the public redundant row and the public redundant line on the first layer. The method has the advantages of reducing the dependence of the memory on test apparatuses and repair apparatuses, and lowering the cost of the memory; and the memory has excellent repair efficiency and the method helps improve the memory yield.

The invention discloses an epoxy resin-enhanced laminated insulating profile. The epoxy resin-enhanced laminated insulating profile comprises modification polymers and a reinforcing material, wherein the modification polymers include epoxy resin, a curing agent, a promoting agent, a flame retardant, a wetting dispersant and a solvent; the reinforcing material is a fiber material; the components of the modification polymers are mixed to form a modification polymer solution, the reinforcing material is soaked into the modification polymer solution and is finally subjected to hot press molding to form the epoxy resin-enhanced laminated insulating profile. The epoxy resin-enhanced laminated insulating profile is integrated with lightness, flame retardance, corrosion resistance and insulativity, has extremely high mechanical property, excellent electrical insulation property and halogen-free flame retardance, is environmentally friendly, is high in use safety and can be applied to industries and fields including State Grid Corporation of China, new energy resources, energy conservation, consumption reduction and track traffic which have high requirements to material performance and special working conditions and environments.

The invention discloses a preparation method of a ZnIn2S4 photocatalyst by hydrothermal synthesis of ionic liquid microemulsion. The preparation method comprises the following steps: (1) adding a sulfur source into the ionic liquid and a surfactant, heating, and stirring until the sulfur source is dissolved to obtain a mixture A; (2) fully dissolving a divalent zinc salt and a trivalent indium salt in deionized water to obtain a mixture B; (3) transferring and mixing the mixture A and the mixture B in an autoclave having polytetrafluoroethylene lining and uniformly stirring; (4) closing the autoclave, placing the autoclave at 50-90 DEG C and reacting for 4-24 hours and naturally cooling at room temperature to obtain a yellow precipitate; and (5) respectively washing the yellow precipitate with deionized water and anhydrous ethanol, transferring to a drying oven and drying overnight at 40-90 DEG C to obtain the final product. The preparation process is simple, rich in raw materials and low in cost, and the product has the advantages of large specific surface area, high catalytic activity and high hydrogen generation efficiency.

The invention discloses a novel high-resilience foamable rubber shoe sole material and a preparation method thereof. The material is characterized of being prepared from, by mass, 10-15% of chloroprene rubber, 8-12% of natural rubber, 10-15% of ethylene-vinyl acetate copolymer, 20-25% of butadiene rubber, 6-12% of butadiene styrene rubber, 5-10% of ethylene propylene diene monome, 5-12% of white carbon black, 3-6% of naphthenic oil, 0.5-1.5% of resin, 1-3% of an active agent, 1-3% of a foaming agent, 1-3% of a modified flowable agent and 0.5-1.5% of a bridging agent. The preparation method comprises the steps of material compounding, banburying, mixing, open milling, stamping and vulcanization, so that a finished product is obtained. According to the novel high-resilience foamable rubber shoe sole material and the preparation method thereof, the characteristics that compatible and complementary elements exist among all types of rubber raw materials are utilized, the novel foamable rubber shoe sole material having the mechanical properties such as high resilience, high abrasion resistance and low weight is obtained, and the material is widely applied to the field of rubber shoe sole manufacturing.

The invention relates to a method for measuring friction torque of a thrust bearing according to a torque balance method. The method comprises the steps as follows: a thrust bearing (7) to be measured is placed between a load unit (15) and a drive unit (16), the load unit is connected with a torque sensor (2), a measurement rotating speed is firstly set in a computer to initiate a load command to exert axial load on an upper end of the thrust bearing to be measured, then a rotating command is initiated to the drive unit. The thrust bearing to be measured has friction torque M, when the lower end of the thrust bearing rotates, the upper end thereof also rotates, friction torque M0 produced by the torque sensor obstructs rotation of the upper end of the thrust bearing and maintains dynamic equilibrium with M, so that M0 of the thrust bearing produced by the torque sensor is equal to M of the thrust bearing to be measured and the method is called the torque balance method. Conversion, filtration, amplification are carried out on a measured M0 signal by the torque sensor by a front end circuit in a data processing system, the processed signal is output to the computer, an M dynamic curve is depicted by appraisal and analysis, and finally a maximum value, an average value and an undulating value are given.

The invention discloses a permanent magnet brushless DC motor driver control method. The method is used for control of a motor drive servo control system. The system has relatively good control accuracy and dynamic response performance. The method comprises the steps of firstly reading values of three commutation HALLs through software to obtain an actual position of a rotor when a motor is started, detecting an angular position omega<ref> of the rotor through a rotor position sensor after starting, and simultaneously calculating a speed n of the rotor; detecting a stator current FOC control algorithm to obtain detection values i<d> and i<q>; outputting AC / DC shaft voltage values u<d> and u<q> through a PI adjuster separately, generating voltage values u<alpha> and u<beta> after coordinate transformation to obtain an SVPWM drive signal; and finally outputting sixth paths of control pulse signals and driving six MOSs to drive the motor. The permanent magnet brushless DC motor driver control method is suitable for control of an intelligent obstacle avoidance robot and is achieved by adopting a DSP processor; the control process is achieved through a vector control strategy of which direct axis current is zero; the contradiction between overshoot and the rapidity is solved; the anti-jamming capability of the system is improved; and the high-performance requirement is met.

The invention provides a method for converting JSON data into model data. The method comprises the following steps of: S1, serializing the JSON data into data of a dictionary or array type; S2, circularly traversing the data of the dictionary or array type by using a runtime mechanism, and obtaining a head address of a memory; S3, dynamically setting an SEL method according to the head address to position an object; S4, dynamically sending a message to the object by using a message mechanism, and obtaining an attribute value of the object; and S5, generating the model data according to the attribute value. The invention further provides a corresponding system. By implementing the method and the system, the JSON data can be quickly and efficiently converted into the model data, so that the operational efficiency is improved. At the same time, attributes and methods in classes and objects are dynamically modified in a program running process. In addition, the runtime mechanism is adopted, so that program performance is better, high-performance requirements of a terminal can be met, and user experience is relatively good.

A method of preparing silver copper oxide electrical contact material is disclosed. The raw material composition, particle size, weight percentage are in that: base metal: silver powder and copper oxide powder have powder particle size of 1.5 mu m -50 mu m, copper oxide powder takes the quantity of more than 2%-25%, based on total weight, the rest is silver; additive: bismuth oxide does not exceed 0.9% of the total weight, nickel oxide does not exceed 1% of total weight. Raw material is surface treated, after batching, the raw material is mixed uniformly in a powder mixing machine to form an isostatic pressing ingot after isostatic pressed; The isostatic pressing ingot is sintered in a heating furnace to obtain a sintered ingot; then the sintered ingot is transported into a extruder to extrude into a plate or wire material. The produced silver copper oxide electrical contact material can satisfy the operation requirement of high-performance low-voltage electrical apparatus, thus is applicable to a DC contactor especially.

The invention discloses an acrylonitrile butadiene styrene (ABS) laminated composite plate and a refrigeration equipment liner. The laminated composite plate comprises a surface layer consisting of high gloss ABS, and a corrosion resistant layer consisting of foamer corrosion resistant ABS. According to the ABS laminated composite plate, the surface layer consists of the high gloss ABS, so the ABS laminated composite plate has good glossiness and is easy to clean. Meanwhile, because the corrosion resistant layer consists of the foamer corrosion resistant ABS, so the ABS laminated composite plate is foamer corrosion resistant. In addition, the general high gloss ABS and foamer corrosion resistant ABS are adopted to replace ABS dyeing special materials, so the cost is greatly reduced. Moreover, the requirement on the performance of a single material is reduced, so more material choices are provided, raw materials are convenient to purchase and the localization of the raw materials is realized.