1787results about How to "Improve compatibility" patented technology

An aqueous ultraviolet-absorbing resin emulsion, and an aqueous resin emulsion composition containing the emulsion is provided, wherein the emulsion is excellent in compatibility with a synthetic resin and light resistance. Also, the emulsion improves stability in blending with an aqueous emulsion of the synthetic resin, and prevents bleed out of the ultraviolet-absorbing resin on the surface of a coating film. Further, the aqueous ultraviolet-absorbing resin emulsion imparts excellent alkali or solvent resistance to a synthetic resin poor in alkali or solvent resistance. More specifically, an aqueous resin emulsion composition comprising (I) an aqueous ultraviolet-absorbing resin emulsion and (II) an other aqueous resin emulsion is provided, wherein the emulsion (I) is obtained by urethanizing (A) a polyol component having an ultraviolet-absorbing group {e.g., 1,1-bis[3-(2H-benzotriazol-2-yl)-4-hydroxy-benzeneethanol]methane}, (B) a polyol if necessary, (C) an alkyl or aryl dialkanolamine compound, and (D) an organic polyisocyanate in (E) an organic solvent, diluting the reaction mixture with (F) an organic solvent having a boiling point lower than 100° C. to give a resin solution, neutralizing the resin solution with (G) a neutralizing agent, and dispersing the resultant in water.

The invention provides an elevator with a single-cylinder and double-cylinder switching mode and a using method of the elevator. The elevator comprises a first single-cylinder elevator, a second single-cylinder elevator and a rope adjusting clutch connected between the first single-cylinder elevator and the second single-cylinder elevator. The rope adjusting clutch comprises a bearing seat, a shaft seat inner gear ring and two fixed hubs, the shaft seat inner gear ring is rotationally connected with an inner ring of the bearing seat, the two fixed hubs are connected to a main shaft of the first single-drum elevator and a main shaft of the second single-drum elevator respectively, each fixed hub is connected with a rope adjusting outer gear ring capable of sliding in the axial direction of the fixed hub, and the rope adjusting outer gear rings are connected with the bearing seat. The rope adjusting outer gear ring is connected with a shifting ring, and the shifting ring is connected with a telescopic mechanism fixed to the single-barrel elevator. When the telescopic mechanism stretches out and draws back, the shifting ring drives the rope adjusting outer gear ring to be meshed with or separated from the shaft seat inner gear ring. And switching between two modes of independent operation of the two single cylinders and synchronous operation of the two cylinders can be realized.

The invention provides a teaching data conversion method and device oriented to intelligence and electronic equipment, and relates to the technical field of intelligence. The teaching data conversion method for the intelligent teaching system comprises the steps of obtaining to-be-converted teaching data in a first data format; reading metadata information of the to-be-converted teaching data declared in the configuration file; calling a target interface method aiming at the first data format according to the metadata information by utilizing a conversion engine, and obtaining feature data of the body agent during execution of the target task from the to-be-converted teaching data; wherein the conversion engine is a class which is defined by a parent class and is used for converting teaching data in a non-second format into teaching data in a second format; and obtaining the to-be-converted teaching data in the second format according to the feature data by using an aggregation method provided by the conversion engine. According to the method, standardized conversion of the intelligent teaching data with different sources can be realized efficiently at low cost.

The invention relates to a quantum key management method and system for satellite internet biological characteristics, and the method comprises the following steps: carrying out the registration of biological characteristics and the initialization of communication protocol parameters for a user terminal which is accessed for the first time; for the registered user terminal, before initiating communication each time, binding the real-time biological characteristics with the quantum key, and carrying out encrypted transmission of the session key by using the bound quantum key, so as to carry out encrypted transmission of satellite internet transmission data by using the session key; and in the encryption transmission process of the satellite internet transmission data, according to a preset period, performing satellite link security level adjustment and quantum key dynamic updating. According to the invention, identity authentication and terminal authentication in a high-delay and narrow-bandwidth application scene can be realized, the security problems of identity counterfeiting, key leakage and the like are solved, and the method can be applied to satellite internet scenes such as emergency communication, field operation and the like, and has the advantages of strong compatibility, low deployment cost and the like.

The invention relates to the technical field of food fresh-keeping materials, and discloses a preparation method of an intelligent response degradable fruit and vegetable fresh-keeping film based on a Janus structure, the intelligent response degradable fruit and vegetable fresh-keeping film comprises a hydrophobic layer and a hydrophilic layer, the hydrophobic layer is an electrostatic spinning film formed by compounding eugenol-loaded ZIF-8 nano-particles and polylactic acid, and the hydrophilic layer is an electrostatic spinning film formed by compounding eugenol-loaded ZIF-8 nano-particles and polylactic acid. The hydrophilic layer is an electrostatic spinning membrane formed by compounding chitosan and gelatin, the surface of the hydrophobic layer is covered with the hydrophilic layer through an electrostatic spinning technology, the ZIF-8 nanoparticles are synthesized through a room-temperature stirring method, and synthesis raw materials are a 2-methylimidazole methanol solution and a zinc nitrate methanol solution. By means of the pH response characteristic of the ZIF-8 nano-particles, pH value change signals generated in the early stage of fruit and vegetable putrefaction can be sensitively captured, loaded antibacterial components are accurately released through ZIF-8 framework dissociation, targeted inhibition on putrefying bacteria is achieved, passive protection is converted into active intervention, the fruit and vegetable putrefaction process is effectively delayed, the fresh-keeping effect is improved, and the fresh-keeping time is prolonged.

The invention discloses an etching solution and a preparation method and an etching method thereof, and belongs to the technical field of microelectronics and display panel manufacturing. The etching liquid comprises the following components in percentage by mass: 50-70% of phosphoric acid, 5-30% of acetic acid, 5-15% of nitric acid, 0.1-0.5% of a water-soluble polymer, 0.05-0.3% of a boron-containing compound, 0.05-0.5% of an etching control agent and the balance of water. The water-soluble polymer is selected from one or more of water-soluble polymers containing a hydroxyl group, an amide group, an ether bond or a pyrrolidone group. The etching solution contains a specific water-soluble polymer, a protective layer can be formed on the surface of the photoresist, attack of high-concentration acid to the etching solution is effectively inhibited, and the cracking problem is avoided; meanwhile, through the synergistic effect of the boron-containing compound and the azole etching control agent, the etching rate, the slope angle and the key size loss can be accurately controlled, and therefore the excellent etching morphology meeting the requirement is obtained.

The invention belongs to the technical field of cosmetics, and particularly relates to a cosmetic delivery system based on a natural wall material, a preparation method and application. The cosmetic delivery system is of a core-shell structure, a core is a cosmetic active component, and a shell layer is a composite polymer gel network of sodium alginate, sophorolipid and cellulose. The natural polysaccharide composite wall material is green and safe, has good biocompatibility and strong compatibility with cosmetic formulas, and does not irritate the skin. The delivery system can effectively protect cosmetic active ingredients from being damaged by illumination and oxygen, and the storage stability of the active ingredients is remarkably improved; meanwhile, slow release and targeted transdermal absorption of active ingredients are realized, and the bioavailability is improved.

The invention discloses a multi-point monitoring flexible temperature sensor array system for a deep sea environment. The multi-point monitoring flexible temperature sensor array system comprises a sensing node array composed of a plurality of sensing nodes, a plurality of flexible interconnection wires and a master control node, all the sensing nodes are connected in series through flexible interconnection wires and then are electrically connected with the master control node. The sensing node comprises a ratio type temperature measurement module and a 1-Wire bridging chip, the master control node comprises a 1-Wire master control chip and an MCU, and the flexible interconnection wire is a snakelike wire; the ratio type temperature measurement module collects a sampling signal and transmits the sampling signal to the 1-Wire master control chip through the 1-Wire bridge chip. And the MCU obtains the temperature at the node according to the sampling signal of each sensing node. The flexible temperature sensor array system provided by the invention is simple in structure, stable in performance and insensitive in pressure, and can reliably realize multi-point temperature real-time monitoring in a deep sea environment.

The invention provides an AT command parameter dynamic encoding and decoding method and system based on prefix identifications, and relates to the technical field of communication, the method comprises an encoding process and a decoding process, the encoding process comprises the steps of predefining a special character set and encoding algorithms, and configuring a unique corresponding prefix identification for each encoding algorithm; performing character traversal analysis on each parameter of the AT command to be sent, and judging whether any character in the predefined special character set is included or not; if not, directly outputting the parameter as a plaintext parameter; if so, encoding the parameter according to an encoding algorithm corresponding to the parameter, and splicing a corresponding prefix identifier in front of the encoded data to form an encoding parameter; and assembling all the plaintext parameters and the coding parameters according to the AT command grammar, generating a target command character string, and sending the target command character string. According to the invention, unnecessary processing overhead can be reduced, the command transmission length is shortened, and both transmission efficiency and reliability are considered.

The invention relates to the technical field of solid state disks, in particular to a solid state disk ID and hardware state synchronization method, a controller, a system and a medium. Comprising the following steps: S1, before a system enters a dormant state, acquiring and persistently storing initial identification information of NVMe equipment by a driving layer; s2, after the system is awakened from the dormant state, executing multiple rounds of identifier query operation on the NVMe equipment; s3, calculating an identifier change rate based on a multi-round query result and the initial identifier information, and if the identifier change rate is lower than a first preset threshold value, judging that the interference is temporary interference, and maintaining an equipment link; if the identifier change rate is higher than a first preset threshold value, entering a step S4; and S4, acquiring real-time state parameters of the physical layer of the NVMe equipment, verifying the real-time state parameters, recovering the link if the real-time state parameters pass the verification, and resetting the NVMe equipment if the real-time state parameters do not pass the verification. Compared with the prior art, through state analysis, cross validation and joint judgment, the misjudgment rate caused by instantaneous change of the ID of the equipment is remarkably reduced.

The invention discloses a relay protection plug-in automatic simulation test method and system based on a universal backboard. The method comprises the steps that a relay protection plug-in to be tested is connected to the universal backboard; semantic information in the relay protection configuration file of the plug-in is analyzed and extracted, a corresponding test data model is dynamically constructed, and a matched operation scheme is generated; on the basis of the operation scheme, real-time simulation parameters are set, and a multi-dimensional excitation signal is applied to the plug-in through the universal backboard so as to simulate various operation conditions of the power system; and acquiring response data of the plug-in under the excitation signal through the universal backboard, and comparing the response data with an expected response to obtain a test result. According to the invention, plug-in level universal testing is realized, special debugging instruments of various models can be replaced by a single testing system, and the operation and maintenance efficiency and the spare part management level of the relay protection device are remarkably improved.

The invention provides a cross-border trade supply chain risk early warning system based on digital twinning, and relates to the technical field of cross-border trade. The cross-border trade supply chain risk early warning system based on digital twinning comprises an entity layer, a data acquisition layer, a digital twinning modeling layer, a data processing layer, a risk early warning layer, a safety protection layer and an application output layer, and the entity layer is a monitoring object basis of the system and covers all key physical objects in a cross-border trade supply chain; comprising suppliers, logistics carriers, storage facilities, customs nodes and purchasers in the cross-border trade supply chain. The system integrates a multi-source data acquisition module, covers full-dimensional data of policies, logistics, finance, markets, Internet of Things perception and the like, ensures the comprehensiveness of risk factor extraction, improves the coverage of risk identification, greatly improves the accuracy and real-time performance of early warning, and solves the problem that a traditional early warning mode is inaccurate and lagged in evaluation.

The invention provides a lithium metal negative electrode, a battery and a preparation method. Specifically, the lithium metal negative electrode comprises a lithium metal sheet and a first coating located on the surface of the lithium metal sheet; wherein the first coating layer is prepared from MXene modified by polyethylene glycol and-SH. MXene in the first coating has lithium affinity, a conductive network can be formed on the outer side of the lithium metal sheet, and the compatibility of the first coating and the sulfide solid electrolyte can be improved due to the existence of polyethylene glycol and-SH modification, so that the lithium metal sheet can be prevented from being in direct contact with the sulfide solid electrolyte through the first coating; ion conduction is ensured, electron permeation is inhibited, and self-discharge is reduced; in addition, polyethylene glycol enables the first coating to have certain mechanical flexibility, so that the first coating can adapt to volume change in the lithium deposition / stripping process, dendrite growth is inhibited, the cycle life of the battery is prolonged, and the safety of the battery is improved.

The invention discloses an ultra-wideband multi-system combining platform containing an NR4.9 G frequency band. The combining platform comprises a front-stage combining module, a higher harmonic suppression filtering module and a final-stage combining module, wherein the pre-stage combining module is a common multi-system combining platform and covers 2G, 3G and 4G system signals of mobile communication, and the frequency band is 698-2400HMz; the higher harmonic suppression filtering module is used for frequency selection of the working frequency band of 698-2400MHz of the preceding-stage combining system and suppression of higher harmonics and clutters within the frequency band bandwidth of 2500-5000MHz; the final-stage combining module adopts a hierarchical combining design, NR2.6 G, NR3.5 G and a higher harmonic suppression filtering unit are used as a first stage, NR4.9 G is used as a second stage, the working frequency of the final-stage combining module covers 2515-2515-4960 MHz, and the final-stage combining module comprises a mobile NR4.9 G system. The system has the advantages that existing 2G, 3G, 4G and 5G system frequency bands and an NR4.9G system are integrated and applied to wireless public network coverage, and co-construction and sharing of existing resources within the working frequency band of 698-4960 MHz are achieved.

The invention discloses a communication monitoring method and a communication system. The system comprises a monitoring module, a feature extraction module, a dynamic identification module, a behavior analysis module, an adaptive optimization module and a visual interface module. The monitoring module collects communication data flow through a mirror image port, the feature extraction module extracts packet length, time interval, direction sequence and encryption features by using a multi-dimensional feature fusion algorithm, and the dynamic recognition module realizes multi-protocol type recognition based on an improved self-attention convolutional neural network. The behavior analysis module constructs a communication relation graph and performs abnormal communication tracing; and the adaptive optimization module realizes model self-learning and parameter optimization through reinforcement learning. According to the method, through sliding window sampling, self-correlation analysis, entropy detection and GNN map modeling, accurate identification and behavior restoration of implicit traffic in a complex network environment are realized. According to the method, high-precision identification can be kept under the conditions of multi-protocol mixing and encrypted communication, and the characteristics of intelligence, self-adaption and expandability are achieved.

The application discloses a semiconductor flat-plate warehouse inserting and taking structure, which comprises an inserting and taking connecting frame, an inserting and taking arm and a self-adapting locking mechanism arranged on the inserting and taking arm. The self-adapting locking mechanism mainly comprises a straight-line transmission rod, a scissor type lifting amplification mechanism, a limiting pressing plate and a guiding reset unit. The core of the application is that the self-weight load generated during the inserting and taking of the flat-plate warehouse is used as a driving force. When the inserting and taking arm supports the flat-plate warehouse, the weight presses the straight-line transmission rod, forces the scissor type lifting mechanism to expand and drives the limiting pressing plate to stably move downwards, so that the positioning pin on the limiting pressing plate is inserted into the pin hole of the flat-plate warehouse, automatic locking and positioning are realized. After unloading, the mechanism is automatically reset under the action of the reset spring. The application does not need external power, realizes "inserting and taking to locking", can effectively inhibit the inertial swing and vibration during the carrying process, prevents the wafers in the warehouse from being damaged due to knocking and has the advantages of simple structure, reliability, safety and high positioning precision.

The application discloses a candidate drug ranking method and system based on topological coding supervision reconstruction, and belongs to the field of bioinformatics. The method comprises the following steps: step S1, obtaining drug design data; step S2, constructing a drug-biological entity association matrix; step S3, calculating a drug side topological matrix for describing the connection relationship between drugs and a biological entity side topological matrix for describing the connection relationship between biological entities according to the association matrix; step S4, constructing a finite-order topological filter and a spectral stable topological filter to form a bidirectional topological evidence field; step S5, obtaining a reconstruction supervision matrix through a supervised reconstruction objective function; and step S6, obtaining candidate drug ranking based on the reconstruction supervision matrix. The application can improve the high-order mechanism recognition ability, robustness and interpretability in drug-target prediction, drug repositioning, candidate molecule screening and molecular generation result ranking.

This invention relates to a self-leveling rotary transport device and method for docking and transferring multiple AUVs, belonging to the field of underwater robot equipment. It includes a docking module, a vertical transport module, and a rotary transport module. The docking module includes a rotary platform with a guide frame, and a first clamping device is provided on the top surface of the rotary platform. A vertical transport module is installed on one side of the docking module. The vertical transport module includes a liftable transport platform, and a locking device and a second clamping device are provided on the transport platform. The rotary transport module is installed below the docking module. The rotary transport module includes multi-branch shafts and horizontal plates installed on each set of branch shafts. An AUV charging and information interaction device and a third clamping device are arranged on the horizontal plates. This device increases the number of AUVs that can be docked and transferred, and can maintain the horizontal position of the AUVs during transfer, preparing them for subsequent actions such as AUV unloading. This invention also uses a separate rotary drive for the docking part to reduce the rotational resistance of the mechanism in seawater.

The invention provides a surface-modified perovskite nanocrystal and a preparation method and application thereof, and the surface-modified perovskite nanocrystal comprises: a perovskite nanocrystal having a chemical composition of ABX3; wherein A is selected from at least one of Cs < + >, CH3NH3 < + > and HC (NH2) 2 < + >; b is selected from at least one of Pb < 2 + >, Sn < 2 + >, Ge < 2 + > and Mn < 2 + >; x is selected from halogen anions; the surface of the perovskite nanocrystal is coated with an organic ligand layer; the organic ligand comprises a halogenated organic ligand. In the surface modified perovskite nanocrystal, the surface of the perovskite nanocrystal is coated with the organic ligand layer, so that surface defects can be effectively passivated at the same time, and the surface integrity and the crystallization quality of the nanocrystal are remarkably improved. And due to the surface consistency, the defect state density is reduced, and the exciton and phonon coupling coefficient is reduced, so that a non-radiative composite channel is remarkably inhibited, and the optical performance of the perovskite nanocrystal is remarkably improved.

The application relates to the technical field of data storage, and discloses a memory particle testing method, which comprises the following steps: since a 32-bit memory particle involves a first channel (16 bits) and a second channel (16 bits), the first channel (16 bits) and the second channel (16 bits) of the 32-bit memory particle correspond to physical blocks in the 32-bit memory particle, only the first channel is involved in a 16-bit memory particle, and the first channel corresponds to the physical blocks in the 16-bit memory particle; all memory spaces of the 16-bit memory particle are scanned through a program of a 32-bit testing system, if an error occurs in the program, it is determined that the corresponding program involves the second channel, code involving the second channel in the testing system is found, and the code corresponding to the second channel is shielded. The 32-bit testing system is compatible with the two kinds of particles through the means of channel shielding, code modification, address mapping and the like.

The present application provides a method for preparing a deuterated chemical by means of a deuteration reaction of a carbon-hydrogen bond with a deuterium gas under the catalysis of an alkali, wherein in the presence of a catalyst, a deuterium gas is added into a compound containing a carbon-hydrogen bond for a deuteration reaction so as to generate a deuterated compound. A deuterium gas is used as a deuterium source, such that multiple water separation operations, tedious steps and the wasting of energy caused by usage of a large amount of deuterium oxide as a deuterium source are avoided. Moreover, a cheap and easily available alkali metal compound is used for replacing an expensive transition metal catalyst and a complex-structure ligand as a catalyst for a deuteration reaction, and the alkali metal compound has the advantages of a low cost, a good compatibility with functional groups of a substrate and a high deuteration rate. The present application provides a new, low-cost, green and efficient deuteration method, which has a high application value.

This utility model discloses a broadband high-speed photodetector module, including: a housing and a driving circuit. The housing has an internal mounting cavity, a high-speed broadband response photodetector, and is fixed inside the housing via an SMA interface. An OLED display screen is embedded on the front of the housing and connected to the driving circuit via a flexible circuit board. The high-speed broadband response photodetector has a spectral response range of 800nm ​​to 1650nm, fully covering the wavelength requirements of multimode and single-mode optical fibers. It solves the limitations of traditional modules with single wavelength or narrow spectrum, significantly improves compatibility with different optical fiber systems, and is suitable for complex hybrid optical fiber network scenarios. Through the coordinated design of the cylindrical body on the side wall of the housing, the air outlet, and the heat dissipation components, the heat generated by the photodetector during operation can be quickly dissipated, avoiding performance degradation or device damage due to temperature rise, and ensuring long-term stable operation of the module under high-speed and high-load conditions.

The utility model discloses an axial dust collection integrated motorized spindle which comprises a motorized spindle body, the motorized spindle body is provided with a dust collection structure, a fan structure and an automatic tool changing structure, the fan structure comprises a brushless motor and a centrifugal blade assembly, the brushless motor drives the centrifugal blade assembly to rotate to form airflow, and wood chips and dust are sucked and discharged from the dust collection structure; the automatic tool changing structure comprises a lifting air cylinder, the dust collection structure comprises a dust collection cover, and the lifting air cylinder drives the dust collection cover to move axially when the motorized spindle changes tools. The motorized spindle integrates dust collection, cooling and automatic tool changing functions, and the problems that in the prior art, the dust collection effect is poor, energy consumption is high, the occupied space is large, and cost is high are solved.

This invention provides a heterogeneous architecture-based system and method for accelerating large language model inference, aiming to address the limitations of existing acceleration solutions in terms of cost, power consumption, storage capacity, and collaborative efficiency in meeting the deployment requirements of ultra-large-scale MoE models. The system primarily comprises a CPU, an FPGA accelerator card, and a high-speed communication interface. This method, targeting large language models with a hybrid expert architecture, analyzes the computational characteristics and storage requirements of different modules. It deploys computationally intensive attention calculations and shared expert calculations with relatively fixed parameter sizes on the FPGA accelerator card; while storing routing expert weights with large parameter sizes, sparse access, and strong data dependencies in the CPU memory, which then performs routing decisions and routing expert calculations. This invention effectively overcomes the storage capacity limitations of programmable logic accelerator cards, supports the deployment of ultra-large-scale sparse parameter models, and significantly reduces system cost and power consumption, improving the overall energy efficiency and practicality of heterogeneous collaborative inference.

The application provides a universal vacuum circuit breaker test switching device, a control method, a medium and a product. The device comprises: a portable test box, a switching power supply module for converting alternating current into direct current is arranged in the portable test box, and an automatic energy storage power supply and an unblocking power supply for a high-voltage circuit breaker to be tested are realized; at least one set of test terminals is arranged on a panel of the portable test box, and is used for connecting external test equipment; a switching device socket is used for realizing the connection between an aviation plug of the high-voltage circuit breaker to be tested and the portable test box; and a switching device plug is used for realizing the connection between an aviation socket in a high-voltage switch cabinet and the portable test box. The application has the advantages of safety and reliability, high efficiency and convenience, and can effectively improve the safety and accuracy of the test process, simplify the operation process and improve the work efficiency.

This utility model discloses a device for efficiently utilizing water resources by recovering high-temperature condensate to prepare demineralized water. It includes a high-temperature condensate output unit, a heat exchange and cooling unit, a demineralized water unit, and a demineralized water supply unit. The heat exchange and cooling unit includes a primary heat exchanger connected to the high-temperature condensate output unit via a pipeline, a secondary heat exchanger connected to the outlet of the primary heat exchanger via a pipeline, and a tertiary heat exchanger connected to the outlet of the secondary heat exchanger via a pipeline. The outlet of the tertiary heat exchanger is connected to the demineralized water unit via a pipeline, and the outlet of the demineralized water unit is connected to the demineralized water supply unit via a pipeline. In this application, after multi-stage efficient heat recovery treatment of the high-temperature condensate, the temperature of the high-temperature condensate is reduced to the design temperature range of 35-45℃ for the demineralized water unit. The cooled condensate is then transported to the demineralized water unit to prepare demineralized water, thus replenishing the demineralized water supply unit.

The invention discloses a method for determining the content of rubber in a rubber-containing plant based on gel permeation chromatography, and relates to the technical field of analytical chemistry, and the method specifically comprises the following steps: S1, sample pretreatment: drying a rubber-containing plant sample and grinding into powder; s2, rubber extraction: performing ultrasonic extraction on the powder by using a mobile phase of gel permeation chromatography as an extraction solvent, centrifuging, and collecting supernate to obtain an extracting solution; s3, GPC (Gel Permeation Chromatography) detection: filtering the extracting solution, and injecting the filtered extracting solution into a gel permeation chromatographic instrument with a single chromatographic column for detection. The complete plant rubber content determination method is constructed by combining a total rejection GPC principle with an efficient sample pretreatment process, the defects of tedious pretreatment, low detection efficiency or inaccurate detection in the prior art are overcome, the method has the advantages of rapidness, accuracy and the like, extraction and detection parameters can be flexibly adjusted according to different plant samples, and the method is suitable for large-scale popularization and application. The method is suitable for quality analysis and breeding research of various gelatin-containing plants, so that the compatibility is improved.

This utility model relates to the field of mixer cleaning technology, and discloses a cleaning structure for a mixer, including a cover, a rotating shaft rotatably connected to the cover, a motor driving the rotating shaft to rotate at the top of the cover, a disc, and a cleaning brush; an extension seat for easy extension is fitted at the bottom of the rotating shaft, the disc is fixedly mounted at the bottom of the extension seat, a locking structure is provided between the rotating shaft and the extension seat, a stirring assembly is provided at the bottom of the disc, a concave plate is provided on one side of the disc, and the cleaning brush is detachably fixed to the concave plate; several rotatably connected connecting pipes are inserted into the cover, and each connecting pipe has a rotatably connected connector at its top. The advantages of this utility model compared to the prior art are: it provides a cleaning structure for a mixer that achieves dual cleaning of "water flow impact + mechanical wiping," thoroughly eliminating cleaning dead corners, saving time and effort, and greatly improving cleaning efficiency.

The utility model relates to a kind of lead-acid battery plate production technical field, specifically related to a kind of lead-acid battery plate coating device. Including frame, two symmetrical coating mechanisms of upper and lower setting are installed in frame one side, and roller mechanism is installed on the frame of coating mechanism side, it is characterized in that, two supporting rollers are rotatably arranged on the frame of roller mechanism side, outer smearing edge mechanism, inner smearing edge mechanism and cleaning mechanism are sequentially arranged between the two supporting rollers. The device integrates coating, rolling, smearing and cleaning functions, and the full-process treatment of coating can be completed by single pass of the grid, avoiding deformation or pollution of lead paste caused by multiple handling, significantly improving the production yield and efficiency of the plate.

This application provides a method and system for managing large file caches automatically in a browser, relating to the field of cache management technology. This application intercepts resource requests and generates resource descriptors during the loading of a 3D geographic information scene. Based on browser type, resource type, network caching policy, and storage quota, it determines the automatic caching threshold and target resource data volume to identify resources exceeding the threshold. A scene dependency pool containing necessary resources for the first screen and expected resources for adjacent view areas is generated according to scene dependency identifiers. Resources exceeding the threshold are fragmented and written to the browser database to form shadow cache records. By combining address keys, version verification information, resource-level integrity bitmaps, and fragment-level integrity bitmaps, it performs hit reconstruction, missing data filling, changed fragment replacement, and pool-level eviction. This improves the caching recoverability of large file resources on the browser side, the stability of first-screen loading, version update efficiency, and capacity management accuracy.