1065results about How to "Increase transfer rate" patented technology

The invention discloses a self-adaptive communication method and system for ubiquitous electric power Internet of Things intelligent metering equipment, relates to the technical field of Internet of Things communication, and solves the problems of inaccurate quantitative communication, insufficient communication efficiency and poor flexibility in existing intelligent metering equipment communication. According to the invention, the accuracy and reliability of data transmission are improved through a dynamic network self-organizing algorithm and a multi-hop communication mechanism, the communication efficiency is optimized through multi-path transmission and dynamic spectrum management, and the flexibility and adaptability of the network are enhanced through an adaptive modulation coding model and a real-time optimization link selection strategy. And secure transmission of the data is further guaranteed through a multi-layer security mechanism, and the communication performance and flexibility of the intelligent metering equipment are remarkably improved.

The invention provides an MBB multi-channel local aggregation superposition transmission method and an MBB multi-channel local aggregation superposition transmission system. Belongs to the technical field of communication. The method comprises the following steps that: a plurality of physical links are established in a wireless communication system, and the system selects the plurality of optimal physical links for aggregation according to a current network environment, a current equipment state and a current user demand; dividing data to be transmitted into a plurality of data packets, packaging each data packet according to the characteristics of the selected physical link, and transmitting the packaged data packets in parallel through the selected physical link; in the transmission process, the system monitors the transmission state of each link in real time, and dynamically adjusts the transmission rate and power distribution of each link according to the current network load and equipment state. By transmitting a plurality of physical links in parallel, the network bandwidth can be fully utilized, the data transmission rate is improved, and the transmission delay is reduced.

The invention discloses a data cooperative transmission method and system for a low earth orbit satellite Internet of Things terminal, and the method specifically comprises the steps: carrying out the classification cutting of environment data, and forming a plurality of environment data subsets; determining a plurality of cooperative sending terminals and respective optimal communication paths between the first low earth orbit satellite Internet of Things terminal and each cooperative sending terminal based on a communication topological structure relationship between the low earth orbit satellite Internet of Things terminals in the ad hoc network; transmitting the environment data subsets with different priorities to corresponding cooperative sending terminals through different optimal communication paths; and according to the environment data subsets sent by each cooperative sending terminal and received by the low-orbit satellite, splicing the environment data subsets and forwarding the spliced environment data subsets to a target terminal or a ground station or a data center. According to the invention, the cooperative effect among a plurality of low-orbit satellite Internet of Things terminals can be fully utilized, and stable and reliable data transmission under the requirements of large data volume and high real-time performance is realized.

The invention relates to the technical field of data retransmission, in particular to a retransmission and error correction method, system and device for communication packet loss and a storage medium, and the method comprises the steps: monitoring a network transmission state at a current moment in real time, so as to judge whether a data packet loss event exists or not; if the data packet loss event exists, historical transmission data are obtained, and the historical transmission data are packet loss record information in the communication process; analyzing the data packet loss event in combination with the network transmission state and the historical transmission data to obtain packet loss analysis information; and determining a corresponding packet loss compensation mode in combination with the network transmission state at the current moment, the packet loss analysis information and the priority of the corresponding lost data packet in the data packet loss event. According to the invention, the retransmission efficiency and the error correction capability in communication transmission can be improved so as to match the communication requirements in the current complex network environment.

The lithium nickel manganese oxide positive electrode material, the preparation method thereof and the electrochemical device are characterized in that the lithium nickel manganese oxide positive electrode material provided by the embodiment of the invention comprises a base material and a coating layer located on the surface of the base material, the general formula of the base material is Li (LiaNixMnyMbO4), the element M comprises at least one of Ti, Zr, Al, Nb and Mo, and a is more than or equal to 0.02 and less than or equal to 0.06; 0.45 < = x < = 0.55, 1.4 < = y < = 1.6; 0.05 < = b < = 0.55; a + x + y + b = 2, and the coating layer contains phosphate. According to the lithium nickel manganese oxide positive electrode material, through doping and coating technologies, under the condition that the capacity is not sacrificed, the gas production phenomenon is effectively reduced, the cycling stability of the lithium nickel manganese oxide positive electrode material is improved, and the service life of an electrochemical device applying the lithium nickel manganese oxide positive electrode material is prolonged.

The invention discloses a carbon-silicon negative electrode material and a preparation method and application thereof, and the preparation method comprises the following steps: S1, carrying out mixed reaction on a lithium source compound, a lanthanum source compound and a titanium source compound to obtain a mixed reactant; mixing the mixed reactant with a carbon source compound, and dispersing and emulsifying to obtain element-doped microspheres; s2, carbonizing the element-doped microspheres in the step S1 to obtain carbides, and activating the carbides to obtain a porous carbon material; and S3, performing silicon deposition on the porous carbon material in the S2 to obtain silicon deposition porous carbon, and performing carbon deposition on the silicon deposition porous carbon to obtain the carbon-silicon negative electrode material. The carbon-silicon negative electrode material disclosed by the invention is high in lithium ion transmission rate, the problem of poor electronic conductivity of silicon is solved, and the electrical property of a battery can be effectively improved.

The invention provides an asphalt-based closed-pore carbon material, a preparation method thereof and a sodium ion battery, the preparation method of the asphalt-based closed-pore carbon material comprises the following steps: S1, pre-oxidizing an asphalt-based carbon source in an oxidizing gas atmosphere at 200-350 DEG C to obtain a pre-oxidized product; s2, carrying out low-temperature carbonization on the pre-oxidized product in an inert atmosphere at 300-800 DEG C to obtain a first precursor; s3, performing gas activation on the first precursor in an activated gas atmosphere to obtain a second precursor; s4, performing chemical activation on the second precursor by adopting a chemical activating agent to obtain a porous carbon material; s5, dipping the porous carbon material in an asphalt solution, and then separating and drying to obtain a blank; and S6, carbonizing the blank under the protection of inert gas to obtain the asphalt-based closed-cell carbon material. The asphalt-based closed-cell carbon material has the advantages of high capacity, high first efficiency and high stable circularity.

The invention relates to a polymer coated graphite negative electrode material and a preparation method and application thereof, the preparation method comprises the following steps: mixing polyacrylonitrile and graphite by adopting a ball milling method, then treating by adopting a liquid phase coating method to coat the surface of the graphite with a layer of polyacrylonitrile, and then carrying out low-temperature heat treatment to obtain the cyclized polyacrylonitrile coated graphite negative electrode material. The compact, flexible, high-electron and high-ion conductive coating is constructed on the surface of the graphite, so that the mechanical stability and the chemical stability of the graphite negative electrode material are effectively enhanced, the problem that a coating material is easy to break and fall off in a long-cycle process in the prior art is avoided, the interface performance of a graphite negative electrode and an electrolyte is improved, and the service life of the graphite negative electrode is prolonged. The volume expansion of the graphite negative electrode material is inhibited, the electrochemical activity of the graphite negative electrode material is enhanced, the electron transmission rate is accelerated, the rate capability and the cycle performance of the graphite negative electrode are further improved, and the preparation process is simple, green and environment-friendly, and is beneficial to industrial production and application.

The invention relates to the technical field of mechanical part punching, in particular to a beam frame type automatic punching machine applied to photovoltaic frame machining, which comprises a public bottom plate, and a punching machine feeding mechanism, a punching mechanism, a waste recycling mechanism, a punching machine discharging mechanism and a discharging interval conveying mechanism are arranged on the public bottom plate; a feeding gripper in the punching machine feeding mechanism turns over a product by 90 degrees and conveys the product into the punching mechanism, and a discharging gripper in the punching machine discharging mechanism drives the product to rapidly avoid a punching machine base in a C-shaped track and then move into the discharging interval conveying mechanism. The overall structural design is ingenious, the punching machine is assembled in an up-and-down and left-and-right stacking mechanism mode, the equipment layout occupied size is small, transportation is convenient, the flow direction of photovoltaic frame products is improved, the defects that a traditional punching machine cannot automatically load and unload materials, and the production rhythm is slow are overcome, and the production efficiency is improved. And the stamping and transferring efficiency of the photovoltaic frame is improved.

The invention discloses a dual-mode differential chaos shift keying method combining carrier and time slot index modulation, and belongs to the technical field of communication. A chaotic signal generator is used at a transmitting end to generate a chaotic signal cx, a reference signal is generated after MS + 1 times of copying is achieved through Kronecker product operation, and Hilbert transformation is carried out on the chaotic signal cx to generate an orthogonal signal cy. The information index bit is a modulation bit transmitted by performing k combination mapping on a frequency domain and a time domain by using a carrier index and a time slot index and constructing two distinguishable signal modes of DCSK and QCSK. And finally, distributing the signals to subcarriers with different frequencies by adopting a multi-carrier technology to carry out overall signal transmission. And after the signal of each subcarrier is demodulated at a receiving end, the noise interference of the reference signal is reduced through a noise reduction module. And then, original input index information is recovered through related demodulation of carrier waves and time slots and a corresponding mapping rule, and finally, modulation bit information is recovered by adopting dual-mode demodulation.

According to the differential chaos shift keying modulator, demodulator and method based on reference modulation, reference modulation is achieved in a PPM modulation mode, the positions of reference signals at different time slots are used as one dimension of data transmission, extra information bits are mapped into specific indexes of active time slots, and therefore the accuracy of data transmission is improved. Therefore, under the condition of the same transmission energy, more bits can be transmitted in one symbol, thereby obtaining excellent bit error rate performance. Compared with the existing method under the code shift differential chaos shift keying system, the transmission rate and the energy efficiency of the system are improved. In general, according to the method, reference modulation is realized by adopting a PPM (Pulse Position Modulation) mode; the chaotic mapping is logistic mapping; according to the invention, the transmission rate and the energy efficiency of the CS-DCSK system are improved.

The invention provides composite positive electrode slurry, a positive electrode and a preparation method thereof, and relates to the field of lithium batteries. The solid content of the slurry is 40-60wt%, and the slurry comprises the following raw materials in parts by weight: 1-5 parts of a binder, 2-4 parts of a conductive agent, 100 parts of a blended positive electrode active material and the balance of a solvent; the binder comprises hydrogenated butadiene-acrylonitrile rubber emulsion, and the mass fraction of the hydrogenated butadiene-acrylonitrile rubber emulsion combined with acrylonitrile is 10-50%; the blending type positive electrode active material comprises the following components in percentage by mass: 10-90% of lithium manganese iron phosphate and 10-90% of high-nickel ternary layered oxide. The positive electrode comprises an aluminum foil current collector and composite positive electrode slurry, and the composite positive electrode slurry is coated on the surface of the aluminum foil current collector. According to the present invention, the positive electrode of the positive electrode slurry composed of the HNBR binder, the conductive agent and the solvent is combined with the blending type positive electrode active material composed of the lithium manganese iron phosphate and the high-nickel ternary layered oxide, and the positive electrode is applied to the lithium ion secondary battery, and the battery has high energy density and high-voltage cycle stability.

The invention discloses a method for directly repairing and regenerating a ternary positive electrode recycled material. The method comprises the following steps: S1, disassembling a ternary retired battery; s2, sintering to remove impurities; s3, removing powder and sieving; s4, mixing with crystalline lithium salt; s5, crushing and sieving after sintering and cooling; s6, mixing with a metal oxide; and S7, sintering, cooling, removing iron, and sieving. The eutectic lithium salt is used as a lithium source for lithium supplement, so that the diffusion rate of lithium ions can be increased, the concentration of the lithium ions can be improved, the reaction temperature of lithium supplement recovery can be reduced, and the energy consumption can be reduced. The ternary lithium battery is wrapped by the metal oxide, residual lithium on the surface of the material can be utilized, a layer of fast ion conductor can be formed on the surface of the material in situ, and the residual lithium on the washed surface is removed, so that the process is shortened, the cost is reduced, the transmission rate of lithium ions can be further improved, and the rate capability of the battery is improved. And the fast ion conductor structure can isolate the contact between the electrolyte and the positive electrode material, so that side reaction is reduced, and the cycle performance is improved.

The invention discloses a terahertz vortex phase plate based on a dumbbell-shaped metasurface. A plurality of metasurface units arranged on the same plane; the metasurface unit comprises a top basic unit metal structure layer, a middle dielectric layer and a substrate metal reflecting surface layer; the top basic unit metal structure layer is of a dumbbell-shaped structure, and the area is smaller than that of the middle dielectric layer and the base metal reflecting surface layer; the positions of all layers of the multiple metasurface units are correspondingly arranged, the phase distribution of the arranged multiple top layer basic unit metal structure layers on the plane meets the vortex beam phase distribution, and a metasurface array with the target topological charge is formed; the metasurface array is a terahertz wave incident plane. On the basis of improving the working efficiency, the metasurface technology and the geometric phase principle are combined, the whole-column arrangement of the terahertz vortex phase plate and the generation of terahertz vortex light beams with different topological charges are completed by designing a reflection type basic unit structure, and then the phase coverage corresponding to the specified topological charges is realized.

The invention provides a quick-charge and quick-discharge type lithium battery and a preparation method thereof, and belongs to the technical field of lithium battery preparation. The preparation process comprises the following steps: preparing a fluorinated carbon nanotube based on biomass carbon; preparing a positive electrode plate; preparing the dendritic mesoporous silicon dioxide nano particles; preparing a cerium oxide-loaded two-dimensional hierarchical porous composite material; preparing a negative electrode plate; and assembling the lithium battery. According to the preparation method, the eutectic and the carbon fluoride nanotubes are added in the preparation of the positive electrode plate, and the cerium oxide-loaded two-dimensional hierarchical porous composite material and the carbon fluoride nanotubes are added in the preparation of the negative electrode plate, so that the prepared positive electrode plate and the prepared negative electrode plate have relatively high conductivity; and moreover, the ion transmission efficiency is improved, the rapid ion transmission is beneficial to reducing the polarization phenomenon of the battery, improving the charging and discharging rate and the power performance of the battery, enhancing the structural stability of the electrode, improving the performance and the safety of the battery, and being more beneficial to rapid charging and rapid discharging.

The invention discloses a lithium salt doped porous carbon coated graphite composite material for an energy storage battery and a preparation method thereof, the composite material has a core-shell structure, the core is graphite, and the shell is a lithium salt doped porous carbon complex. The preparation method comprises the following steps: uniformly mixing amino resin, a pore-forming agent and a heteroatom compound of the pore-forming agent, curing, activating to obtain porous carbon, adding the porous carbon into an inorganic lithium salt, uniformly mixing, and carrying out spray drying to obtain lithium salt doped porous carbon; the preparation method comprises the following steps: adding lithium salt doped porous carbon into a carboxymethyl cellulose lithium solution, uniformly dispersing, then adding into a graphite material, uniformly dispersing, spray-drying, and carbonizing to obtain the lithium salt doped porous carbon coated graphite composite material. According to the obtained material, the coating layer lithium salt is doped with porous carbon, so that the liquid absorption and retention capacity of the material is improved, the diffusion rate of lithium ions is increased, and the rate capability is improved; meanwhile, the expansion of the composite material in the charging and discharging process is reduced by utilizing the low expansion of the porous carbon, and the cycle performance is improved.

The invention discloses a high-conductivity bridged silicon-carbon composite material as well as a preparation method and application thereof, and belongs to the technical field of lithium ion batteries. The high-conductivity bridged silicon-carbon composite material comprises a core-shell structure with an inner core and an outer shell, the inner core is porous carbon and a carbon nano tube growing on the surface of the porous carbon in situ, and a nano silicon layer is attached to pores and surfaces of the porous carbon and the carbon nano tube; and the shell is a carbon coating layer. According to the high-conductivity bridged silicon-carbon composite material provided by the invention, the carbon nanotubes are grown on the surface of the porous carbon in situ, and contact among particles is similar to bridging, so that a point-line conductive network is formed, the intrinsic conductivity of the composite material is improved, and the electron transfer rate is accelerated. Meanwhile, the carbon nanotubes have extremely high strength and hardness, the mechanical strength of the porous carbon substrate can be remarkably improved by introducing the carbon nanotubes into the porous carbon material, expansion of nano silicon in the charging and discharging process can be better restrained, and the performance of high capacity, high first efficiency, long circulation and high magnification is shown.

The invention discloses a bidirectional transceiver circuit with automatic direction and edge acceleration, which comprises a first transceiver and a second transceiver, and the two transceivers have the same structure and are in a symmetrical structure after being connected. The transmission direction of the bidirectional transceiver can be automatically identified and configured, a direction control signal is not needed, the bidirectional transceiver internally generates a pulse signal at the moment that an input signal changes to open strong driving output, the change of the output signal is accelerated, and the output driving capability and the transmission rate are improved; and meanwhile, an internal enable signal is generated to close strong driving output of an input side, so that input signals are prevented from being influenced.

The invention provides a display panel and a display device, and relates to the technical field of display, a plurality of pixels electrically connected with a pixel circuit are arranged in a display area, and the display area comprises a plurality of first signal ends arranged along a first direction and first signal lines respectively connected with the first signal ends, the first signal end is configured to provide a first power supply voltage signal for the pixel circuit through a first signal line; the first signal line extends along a second direction, and the first direction and the second direction intersect and are parallel to the light emitting surface of the display panel; the first signal ends comprise a first group of signal ends and a second group of signal ends, and the number of the first signal ends included in the second group of signal ends is greater than that of the first signal ends included in the first group of signal ends; in the first direction, the first set of signal terminals is located between the second set of signal terminals and the edge of the display panel. Therefore, the voltage drop of the first power supply voltage signal in the transmission process can be reduced, and the display uniformity can be improved.

The invention provides a joint channel and route selection cross-layer decision-making method based on Q learning. The method comprises the following steps: acquiring coordinates; each routing node periodically broadcasts messages used for discovering, establishing and keeping alive neighbor relations; after receiving the Hello packet, the neighbor node feeds back an acknowledgement message and establishes a neighbor relationship; when data needs to be transmitted in the source node, the source node selects a next-hop node and a channel transmission data packet according to a selection strategy, and the data packet comprises the address of the selected next-hop node; the neighbor point judges whether the data packet should be forwarded by the neighbor point; the next-hop node replies to the source node through the control link, wherein reply information comprises the estimated signal-to-interference ratio and the latest Q table of the next-hop node; the source node calculates a reward value according to the feedback signal-to-interference ratio and the position obtained in the earlier stage; and the source node updates the Q table and the node selection strategy according to the reward value. According to the method, the network transmission rate and the anti-interference performance are improved, and the end-to-end time delay and hop count are reduced.

The invention belongs to the technical field of membrane separation and also belongs to the field of lithium extraction, and particularly relates to a two-dimensional montmorillonite modified thin film for extracting lithium from salt lake original brine as well as a preparation method and application of the two-dimensional montmorillonite modified thin film. The two-dimensional montmorillonite modified film for extracting the lithium from the salt lake original halide is obtained by sequentially modifying a two-dimensional montmorillonite functional film with metal ions and crosslinking and modifying an organic matter containing polyphenol hydroxyl groups, the two-dimensional montmorillonite functional film is obtained by self-assembling a two-dimensional montmorillonite nanosheet functional suspension liquid modified by a short-chain organic cross-linking agent containing an amino group into a film. The separation performance of the film under the salt lake raw brine condition can be enhanced, the lithium extraction period is shortened, and the application advantage is remarkable.

The invention discloses a pulse discharge eddy current cavitation generator which comprises an eddy current container, and the eddy current container is provided with a liquid inlet pipe allowing liquid to be guided in tangentially. An inlet of the liquid outlet pipe is communicated with the center of the vortex container, and the liquid outlet pipe is provided with an inner diameter decreasing section, a throat part and an inner diameter increasing section which are sequentially arranged from bottom to top; the flow guide part is arranged in the center of the vortex container and is positioned on the lower side of the liquid outlet pipe; from bottom to top, the outer diameter of the flow guide piece is gradually reduced; the flow guide part and the liquid outlet pipe are coaxially arranged; a first electrode is arranged in the liquid outlet pipe, and a second electrode opposite to the first electrode is arranged in the flow guide part; the liquid outlet pipe is provided with an electrode holder for fixing the first electrode; and the liquid outlet pipe body is provided with a liquid outlet. The vortex hydrodynamic cavitation generator and the nanosecond pulse device are combined in the same device, so that the energy consumption of the device is reduced, the discharge efficiency and the organic matter degradation efficiency are improved, and the space is saved.

The invention relates to the field of glucose sensors, in particular to a rock salt type high-entropy oxide for enzyme-free glucose sensor active substances. The high-entropy oxide is of a single-phase rock salt structure, the molecular formula is MO, and M in the formula is composed of five transition metal elements including Cu, Co, Ni and any two of Mn, Zn, Mg and Fe. According to the preparation method, Mg, Co, Ni, Cu and Zn are preferably selected, and the (MgCoNiCuZn) O high-entropy oxide is prepared through a sol-gel and roasting method. The high-entropy oxide is selected as an active substance to prepare the glucose sensor, and the glucose sensing performance of the glucose sensor is as follows: the sensitivity in a linear range of 5-400 [mu] M is 108.14 [mu] AmM <-1 > cm <-2 >, the sensitivity in a linear range of 400-1500 [mu] M is 41.84 [mu] AmM <-1 > cm <-2 >, and the lower detection limit is 0.3 [mu] M. The high-entropy oxide is applied to the enzyme-free glucose sensor, and the electrode material is simple to prepare, low in cost, high in sensitivity, wide in linear range and good in application prospect.

The invention provides a high-performance all-solid-state electrolytic tank for producing hydrogen by electrolyzing water and a preparation method of the high-performance all-solid-state electrolytic tank. The preparation method mainly comprises the following steps: preparation of electrode powder: preparing (La0. 6Sr0. 4) 0.95 Co0. 2Fe0. 8O3-delta (LSCF) powder by adopting a liquid-phase synthesis method, and preparing MxCe1-xNyO2 powder by adopting a coprecipitation method for an electrode and an isolating layer; preparing a half cell by adopting a co-casting process; an isolating layer and an oxygen electrode are prepared by adopting a silk-screen printing technology, and high-content water vapor is introduced to realize hydrogen production by electrolyzing water. The prepared high-performance all-solid-state electrolytic tank has efficient water electrolysis hydrogen production catalytic activity and Faraday efficiency, can operate at the medium-high temperature of 650-850 DEG C, and can effectively reduce electric energy consumption and improve energy conversion efficiency.

According to the channel estimation method of the six-dimensional movable antenna base station and the related equipment provided by the embodiment of the invention, the six-dimensional movable antenna base station is provided with at least one antenna surface, the antenna surface comprises at least one six-dimensional antenna, and the method comprises the following steps: acquiring a pilot signal sent by a user terminal, performing statistical channel estimation calculation based on the pilot signal and the intermediate matrix to obtain a channel power matrix and a direction sparsity matrix between the user terminal and the six-dimensional antenna; solving the rate optimization model based on the channel power matrix to obtain a target position rotation parameter, and performing position rotation adjustment on the at least one six-dimensional antenna according to the target position rotation parameter; and instantaneous channel estimation is carried out based on the pilot signal and the direction sparsity matrix to obtain an instantaneous channel estimation result, so that the accuracy of channel estimation between the six-dimensional movable antenna base station and the Internet of Things terminal is improved while the information transmission rate between the six-dimensional movable antenna base station and the user terminal is effectively improved.

The invention discloses a monatomic catalyst for activating peroxymonosulfate as well as a preparation method and application of the monatomic catalyst. The catalyst comprises a nitrogen and sulfur co-doped Ti3C2Tx nanosheet and an iron monatomic or cobalt monatomic targeted on the nanosheet in an asymmetric coordination structure. The preparation method comprises the following steps: mixing the Ti3C2Tx nanosheet, a precursor containing a nitrogen source and a sulfur source, and soluble metal salt, self-assembling, freeze-drying and pyrolyzing. The monatomic catalyst provided by the invention has excellent conductivity and electronic structure, can form a large amount of reactive oxygen species in a catalytic degradation system on the premise of low addition amount of peroxymonosulfate, and has the advantages of high activation efficiency on peroxymonosulfate, capability of effectively reducing the usage amount of peroxymonosulfate and the like; the peroxymonosulfate can be activated to achieve efficient purification of organic wastewater, the operation cost of the peroxymonosulfate activation technology can be effectively reduced, and meanwhile, the new environmental pollution risk caused by the fact that a large amount of peroxymonosulfate is used can be remarkably reduced.

The invention relates to the technical field of radio communication, and discloses an XL-RIS-assisted near-field multi-beam design method and system, and the method comprises the steps: constructing an XL-RIS-assisted near-field communication multi-user receiving signal model; constructing a near-field multi-beam optimization model; the near-field multi-beam optimization model is solved, so that an XL-RIS beam reflection matrix can be obtained; and iteratively solving the near-field multi-beam optimization model to obtain a reflection matrix of a base station transmitting signal to the XL-RIS, and completing XL-RIS assisted system multi-beam optimization. Compared with the existing calculation, the beam optimization method provided by the invention does not need a complicated calculation problem, overcomes the problems of low convergence speed and high calculation complexity in large-scale array processing of the traditional method, and improves the optimization efficiency. The operation speed can be increased under the condition that the system performance is guaranteed.

The invention provides a model data processing method and device, and the method comprises the steps: obtaining original model data of a target model; determining repeated vertexes, deleting vertex data corresponding to the repeated vertexes to obtain de-duplicated vertex data, and performing quantization processing on the de-duplicated vertex data to obtain processed vertex data; according to the data type of the map data, compressing the map data to obtain processed map data; according to the material data, model components with the same material attribute are determined and combined, combined model components are obtained, and the material data of the combined model components serve as processed material data; and compressing and uploading the processed vertex data, the processed mapping data and the processed material data as new model data. By reducing redundant data, optimizing a data structure and adopting an efficient compression algorithm, light weight of model data is realized, so that the rendering efficiency and the transmission rate are improved.

The invention relates to the technical field of adhesives, in particular to high-thermal-conductivity gel containing modified filler and a preparation method of the high-thermal-conductivity gel. Organic silica gel is taken as a main body, the curing rate is moderate, no selectivity is caused to a base material, a silane coupling agent is introduced to modify thermal-conductivity filler powder, the compatibility of particles and a silica gel matrix is enhanced, and the thermal conductivity of the high-thermal-conductivity gel is improved; the heat conductivity of the sample is further improved, and the reasonable filler grading is beneficial to the filler to form more heat-conducting passages or heat-conducting networks in a polymer matrix, so that the transmission rate of phonons in the material is enhanced, and the heat conductivity of the composite material is enhanced; through combination of the modified large-particle-size spherical alumina powder, the modified small-particle-size spherical alumina powder and the modified angular alumina powder, a heat-conducting network structure in the gel can be improved, and the filler is modified through the modifier, so that the interface bonding force between the filler and a silicone oil matrix can be enhanced; and the heat conduction efficiency is improved on the basis of reducing the thermal resistance.

The invention relates to the technical field of batteries, in particular to a battery. The battery comprises a positive plate, a negative plate, a diaphragm and an electrolyte, the diaphragm is located between the positive plate and the negative plate, the diaphragm comprises a carrier layer and a gluing layer located on the surface of one side or two sides of the carrier layer, the gluing layer comprises a first gluing layer, the first gluing layer is adjacent to the positive plate, the first gluing layer is distributed on the surface of the carrier layer in a dotted or planar manner, and the first gluing layer is adjacent to the positive plate. The positive plate comprises a first surface and a second surface, the first surface is provided with a plurality of convex parts, the second surface is provided with concave parts corresponding to the convex parts, the ratio of the distance between the circle centers of the adjacent convex parts to the shortest distance between the edges of the adjacent convex parts is 1.05-30, and the electrolyte comprises chain carboxylic ester and cyclic carbonate. The weight ratio of the chain carboxylic ester to the cyclic carbonate is 1.1-10. According to the battery disclosed by the invention, the bonding force between the diaphragm and the positive plate can be enhanced, and the cycling stability, the rate capability and the safety performance of the battery are improved.