65results about How to "Improve modification efficiency" patented technology

The invention discloses a cutting device and a cutting method. The cutting device comprises a cutter, an energy supply assembly and a liquid guide assembly. The cutter is used for cutting a workpiece to be machined, and the cutter is made of a light-transmitting material. The energy supply assembly is configured to be capable of emitting laser, the laser penetrates through the tool and irradiates a machining part at the cutting position of the tool, the liquid guide assembly is suitable for providing reaction liquid for the machining part, and the reaction liquid is configured to be used for reacting with the machining part under irradiation of the laser so that materials of the machining part can be modified. And therefore, the difficulty in machining of the material at the machining part is improved, and the cutter can remove the material at the machining part of the to-be-machined workpiece conveniently. Under the dual effects of an energy field provided by the energy supply assembly and physical and chemical reactions of the reaction liquid, the material property of the processing part is rapidly and accurately changed, and on the premise of ensuring the processing quality, the controllability of material modification is realized, and the modification efficiency of the material is improved.

The invention provides a solid acid catalyst as well as a preparation method and application thereof. The preparation method comprises the following steps: carbonizing lignin to obtain a carbon-based carrier; placing the carbon-based carrier in a plasma modification instrument, vacuumizing, and then introducing gas for activating treatment to obtain a lignin carbon-based material; and carrying out sulfonation treatment on the lignin carbon-based material to obtain the solid acid catalyst. The catalyst has the advantages of being short in preparation time, small in pollution, high in catalytic efficiency, recyclable and the like, can be applied to catalytic conversion of a fructose solution into 5-hydroxymethylfurfural, the yield can reach 70%-90%, corrosion of an inorganic acid catalyst to reaction kettle equipment is avoided due to use of the solid acid catalyst in the reaction process, and the catalyst is an environment-friendly catalyst.

The utility model provides a modified polypropylene batching device, which relates to the batching device field, and comprises a mixing box and a box cover buckled on the top of the mixing box, the top of the box cover is respectively provided with a plurality of batching boxes, the bottoms of the plurality of batching boxes are respectively provided with a blanking pipe communicated with the mixing box, the plurality of blanking pipes are respectively provided with a first valve and a second valve which are oppositely arranged up and down, a first valve and a second valve are arranged on the feeding pipe, the first valve and the second valve are oppositely arranged up and down, one side of the feeding pipe is further communicated with a liquid adding pipe, and the liquid adding pipe is located between the first valve and the second valve, the first valve and the second valve are oppositely arranged up and down on the feeding pipe, one side of the feeding pipe is further communicated with the liquid adding pipe, and the liquid adding pipe is located between the first valve and the second valve. By changing the opening and closing state, the device adapts to different conditions that a single ingredient is uniformly mixed with water, then is mixed with a polypropylene raw material and a plurality of ingredients are simultaneously mixed with the polypropylene raw material, is simple in structure and wide in application range, and further improves the flexibility of proportioning and mixing the modified ingredients.

The invention discloses a nano-cellulose modified thermoplastic material composite 3D printing consumable and a preparation method, and relates to the technical field of 3D printing consumables, the nano-cellulose modified thermoplastic material composite 3D printing consumable is formed by mixing nano-cellulose modified pecan shell micro powder and a thermoplastic material according to the mass ratio of 1: (4-5); the nano-cellulose modified hickory nut shell micro-powder is prepared from hickory nut shells, talcum powder, nano-cellulose, cationic starch, alkyl ketene dimer, a coupling agent and a lubricating agent. The thermoplastic material is composed of polylactic acid, poly (adipic acid) / butylene terephthalate, a cellulose biological composite material, a flexibilizer and an antioxidant, and the problems that talcum powder and hickory nut powder are not tightly combined and are prone to falling off and components are unstable are effectively solved by adopting the novel separation device; the tight combination and uniform distribution of the talcum powder and the pecan shell micro powder are ensured, so that the compatibility of the talcum powder and the pecan shell micro powder with a thermoplastic material and the overall performance of the composite material are improved.

The invention provides a green and environment-friendly flame-retardant cellulose material and a preparation method thereof. The green and environment-friendly flame-retardant cellulose material is prepared from the following components in parts by weight: 20 to 40 parts of bio-based cellulose, 60 to 90 parts of phosphate, 30 to 90 parts of urea, 5 to 10 parts of amino silicon oil microemulsion and 90 to 150 parts of melamine. The flame-retardant cellulose material prepared by the invention has excellent flame retardance, realizes waste utilization and environment-friendly production at the same time, adopts cellulose with a wide source, is low in cost, and meets the requirements of sustainable development; the flame retardant property of the cellulose is remarkably improved through synergistic modification. High-temperature and high-pressure conditions are provided through the hydrothermal reaction kettle, uniform combination of phosphate and cellulose molecules is promoted, the modification efficiency is improved, and excessive damage of high temperature to the cellulose molecular structure is avoided. Meanwhile, through the auxiliary effect of urea, the temperature required by the phosphorylation reaction is reduced, and the integrity of cellulose molecules is protected; the reaction activity of hydroxyl is improved, and the modification uniformity is promoted; the compatibility of the material and thermoplastic resin is improved.

The invention relates to a mixed system battery cell module structure which at least comprises a charging system, a first system battery cell and a second system battery cell which are connected in series, the first system battery cell at least comprises a first single battery cell, a second single battery cell and a third single battery cell which are sequentially connected in series; the second system battery cell at least comprises a fourth single battery cell, and the fourth single battery cell is connected in series with the charging system, the first single battery cell, the second single battery cell and the third single battery cell; the first system battery cell and the second system battery cell are battery cells of different systems. The battery cells of different systems are combined and matched, so that the charging voltage of each single battery cell of the mixed system battery cell module structure during charging is lower than the maximum charging voltage of the battery cell of the corresponding system, and the charging voltage of the obtained mixed system battery cell module structure can be well matched with a charging system of a lead-acid battery; and a BMS can be omitted, and the cost of changing lead into lithium is effectively reduced.

The present application discloses a method, device, equipment and medium for batch modification of outfitting models, and the present application belongs to the field of ship design. The method comprises: if the source model in the pre-built outfitting model component library has been modified, then the identity attribute information of the modified source model is obtained; the identity attribute information of each candidate model in the outfitting model component library is identified, and if it is the same as the identity attribute information of the modified source model, it is determined as the target model; the installation information of the target model is obtained; wherein the installation information includes position information and / or direction information; and the target model is replaced based on the modified source model and the installation information. The present technical solution can achieve the effect of batch modification of the same outfitting models, and improve the modification efficiency of the outfitting models.

The invention relates to the technical field of biology, in particular to a method for regulating and controlling the methylation level of a plant genome DNA specific region by using a Cas12i system. The invention provides a fusion protein. The fusion protein sequentially comprises a first nuclear localization signal peptide, a methylation modification structural domain, a connecting peptide, a nuclease activity-free Cas12i protein and a second nuclear localization signal peptide from an N terminal to a C terminal, the methylation modification structural domain is OsSUVH2 protein capable of up-regulating the methylation level or a functional active fragment of the OsSUVH2 protein; the amino acid sequence of the OsSUVH2 protein is as shown in SEQ ID NO: 1; the amino acid sequence of the nuclease activity-free Cas12i protein is as shown in SEQ ID NO: 3. The invention also provides a CRISPR-dCas12i system constructed on the basis of the fusion protein. According to the CRISPR-dCas12i system, the methylation modification efficiency of the plant genome DNA is remarkably improved.

The invention belongs to the field of agricultural fertilizers, and provides a micro-mineral activator and an application thereof in improving the fertilizer efficiency of a bio-organic fertilizer. According to the invention, epoxy silane coupling modified potassium feldspar powder is adopted as a core to construct a two-phase collaborative design of humic acid coated core-shell composite powder IM-X and metal ion crosslinked microgel powder IM-Y; the balance between the compressive strength of the particles and the rapid disintegration and dispersion performance when encountering water is realized, the consideration of a high-solid-content low-water-adding-amount granulation process window and the rheological stability of a humic acid cross-linked network is considered, and the unification of moisture absorption and caking resistance during storage and transportation and water absorption and retention ion response regulation and control functions after application is realized; the mineral-organic composite additive solves the performance coupling contradiction of natural conflicts in physical and chemical mechanisms of the existing mineral-organic composite additive, has the advantages of good processing controllability, excellent storage and transportation stability and remarkable fertilizer efficiency improvement effect, and has wide application value in the field of bio-organic fertilizer synergism.

The invention discloses a flexible bamboo lignin-based polymer material as well as a preparation method and application thereof. Arginine modified polyphenol bamboo lignin and lipoic acid are used as raw materials, and the flexible bamboo lignin-based polymer material with excellent performance is prepared through lipoic acid ring opening polymerization and sulfydryl free radical-polyphenol Michael addition reaction. The preparation method specifically comprises the following steps: carrying out demethylation phenolation modification on bamboo lignin by using a one-pot method, grafting arginine, improving the reaction activity of the bamboo lignin, quantitatively introducing lipoic acid, blocking by using allylurea, and synthesizing the bamboo lignin-based polymer material containing the allylurea, wherein the polymer material contains a dynamic disulfide reversible ring-opening structure. The method breaks through the limitation that the existing lignin is low in reaction activity and lignin-based macromolecules are difficult to recycle, expands the application scene and range of the lignin, and realizes a green mode of oriented preparation, cyclic processing and efficient utilization of the lignin-based macromolecules; and a theoretical basis and guiding significance are provided for high-quality development and high-valued frontier application of the forest resource lignin.

This invention discloses a method for preparing functional carbon materials with atomically dispersed Lewis acid-base sites, comprising: (1) polymer preparation to obtain a polymer sample; (2) polymer modification to obtain a modified polymer sample; (3) polymer carbonization: the modified polymer sample is heat-treated in a non-oxidizing atmosphere to carbonize the modified polymer sample; after carbonization, the system is naturally cooled; then, after washing and drying, the target functional carbon material is obtained. This invention utilizes atomically dispersed Lewis acidic metal sites and basic N sites to modify carbon materials in situ. The prepared functional carbon material has a large specific surface area, well-developed pore structure, abundant acid-base sites, and an atomically distributed structure, which can significantly improve the density of functional sites on the surface of the carbon material and its adsorption efficiency for boron, phosphorus, and metal impurities. Its application in the purification of chlorosilanes can greatly reduce the load of subsequent distillation and impurity removal, and improve the yield and quality of high-purity chlorosilanes.

The utility model relates to the technical field of molecular sieve production, in particular to a ZSM-5 molecular sieve production device. The ZSM-5 molecular sieve production device comprises a crystallization kettle, the crystallization kettle is connected with a first-crossing belt filter through a storage tank, the first-crossing belt filter is connected with a second-crossing belt filter through a first-crossing filter cake beating tank, the second-crossing belt filter is connected with an activation modification tank through a second-crossing filter cake beating tank, the activation modification tank is connected with a flash dryer, and the flash dryer is connected with a flash dryer. A steam outlet is formed in the activation modification tank, a steam-water separator is connected to the steam outlet, and the steam-water separator is located on the outer side of the activation modification tank. According to the device, through the arrangement of the steam-water separator, steam-water separation is carried out on steam before the steam enters the activation modification tank, so that the amount of steam condensate entering the activation modification tank is greatly reduced, and the modification efficiency is improved; the steam condensate separated by the steam-water separator is introduced into the water flushing port of the two-crossing belt filter to flush the slurry, so that the utilization rate of the steam condensate is greatly improved.

The utility model discloses a computer keyboard tray push-and-pull device which comprises a computer desk and a keyboard tray which is arranged below the computer desk and can linearly move back and forth with the computer desk, and further comprises a push-and-pull device and a U-shaped installation support, the push-and-pull device comprises a sliding rail assembly and a sliding groove, the sliding rail assembly is fixedly connected with a computer desk panel through the U-shaped installation support, and the sliding groove is fixedly connected with the computer desk panel. The bottom wall of the sliding groove is fixedly connected with the left side face and the right side face of the keyboard tray, and the sliding groove is inserted into the sliding rail assembly and connected with the sliding rail assembly in a front-back linear moving mode. The U-shaped installation support comprises a fixing plate, a U-shaped groove plate and a pressing screw rod. By arranging the U-shaped mounting bracket, the bottom mounting mode of the keyboard tray is changed into a left and right side mounting mode, so that the stability is improved, the keyboard tray can be conveniently mounted and dismounted, a common office table is changed into a computer table without drilling into the lower part of a table panel, the labor intensity of an operator is low, and the U-shaped mounting bracket is simple in structure and convenient to process; the cost is low.

The application relates to the technical field of waste incineration flue gas treatment, in particular to a waste incineration flue gas heavy metal solidification system and method using fly ash in-situ modification, which comprises a quench tower and a dust removal structure, characterized in that the quench tower inlet is communicated with an incinerator, the quench tower outlet is communicated with the dust removal structure through a pipeline, a fly ash collection structure is arranged below the dust removal structure, the fly ash collection structure is connected with a fly ash modification structure which is used for modifying the fly ash, a fly ash spraying structure is arranged in the pipeline between the quench tower and the incinerator, the fly ash spraying structure is communicated with the fly ash modification structure, and the purpose of stably treating heavy metals in flue gas is achieved.

The invention provides a normal map generation method and device and electronic equipment, and the method comprises the steps: generating a target image based on a preset first image and a preset second image, and determining a material parameter corresponding to the target image; in response to an adjustment instruction for the material parameters, adjusting the material parameters; and updating the target image based on the adjusted material parameters, and generating a target normal map based on the lines, the closed region and the relative position between the lines and the closed region in the updated target image. In the mode, the target image comprises information such as the position of the structure line of the model, the shape of the model structure needing to be added and the relative position between the structure line and the model structure needing to be added, the information can serve as material parameters corresponding to the target image, a user can conveniently change the information according to needs, and then the information can be obtained according to relevant information in the changed target image. The new normal chartlet is generated, the modification efficiency of the model structure of the model is improved, and the labor cost is reduced.

The invention discloses a modification method of an internal solid waste material of a warmer pad and a modified material, and the modification method comprises the following steps: taking out the internal solid waste material of the warmer pad, carrying out water washing treatment, mixing the internal solid waste material with a salicylic acid solution, and carrying out a reaction to obtain the modified material. According to the modification method, the internal solid waste material of the warmer pad is used as a raw material, the modified material which is large in specific surface area, multiple in active site, high in catalytic activity, stable in performance and environmentally friendly can be prepared through water washing and salicylic acid modification, and the modified material serves as a novel Fenton-like reaction catalyst with excellent performance and is widely used for activating an oxidizing agent; and meanwhile, resource utilization of the warmer pad waste can be achieved, the use value is high, and the application prospect is good. Meanwhile, the modification method disclosed by the invention also has the advantages of wide raw material source, low preparation cost, simplicity and convenience in operation, non-toxic and harmless product, environment friendliness and the like, and is suitable for large-scale production and application.

The invention belongs to the technical field of silver powder modification methods, and particularly relates to a silver powder composite modification post-treatment method which comprises the following steps: step 1, preparing to-be-modified silver powder by a reduction method; secondly, silver powder to be modified is added into a high-speed mixer, then a surface modifier A is added, and high-speed shaping and first-time modification treatment are completed; thirdly, the silver powder obtained after high-speed shaping and first-time modification treatment is added into a high-speed dispersion machine, then ethyl alcohol is added for dispersion, a surface modifier B is added for second-time modification treatment, and second-time modified mixed liquid is obtained; and fourthly, the second modified mixed solution is filtered through a filtering device of a silver powder cleaning device, then primary solid-liquid separation, ethanol cleaning and secondary solid-liquid separation are sequentially conducted through a centrifugal device of the silver powder cleaning device, wet powder is dried, and the modified silver powder is prepared. The method has the beneficial effects that the surface of the prepared modified silver powder is thoroughly changed into lipophilicity, the using amount of the modifier is small, and no residual modifier is left.

The invention provides a virtual scene editing method and device, electronic equipment and a readable storage medium. The method comprises the following steps: displaying a first level editing interface; a to-be-edited virtual level scene and an information prompt identifier of at least one piece of target modification information are displayed in the first level editing interface; wherein the target modification information is generated through an editing operation on the second terminal for the virtual level scene; and in response to a first operation for the information prompt identifier, updating the virtual level scene. Therefore, after a creator of the virtual level scene opens the level editing interface, the information prompt identifier of the target modification information obtained by other players through level modification operation is displayed in the level editing interface, and then the virtual level scene is updated through operation for the information prompt identifier; the understanding time of the modification information and the time of adjusting the virtual level scene according to the modification opinions are reduced, and the modification efficiency of the virtual level scene is improved.

The invention discloses a method for improving semiconductor wafer thinning efficiency through photochemistry assistance. The method comprises the following steps: performing ion implantation on the surface of a wafer; then laser modification treatment is further carried out on the softened ion implantation modified surface, so that a low-hardness modified layer is efficiently obtained; then element deposition and annealing treatment are conducted on the laser modified surface through a magnetron sputtering device, and the hardness of the laser modified surface is further improved through a chemical metallurgical reaction; and finally, the modified wafer is thinned and polished through a wafer thinning machine or chemical mechanical polishing treatment, so that a final finished sample wafer is obtained. The method has the advantages of being efficient, high in repeatability and the like, the advantages of several kinds of photochemical modification methods are combined, and the follow-up thinning efficiency and quality of the wafer can be effectively improved.

The invention relates to a filter element spraying modification system and method. The system comprises a modification subsystem, a drying subsystem and a conveying subsystem. The conveying subsystem is provided with a conveying roller and a conveying belt and used for conveying the filter element to be modified to the modification subsystem and the drying subsystem for modification and drying. The modification subsystem is provided with a modification reagent tank and a modification spray head assembly, and the spray head assembly comprises a first modification spray head and a plurality of second modification spray heads which are used for spraying the inner wall and the outer wall of the filter element respectively, so that uniform modification is realized. The drying subsystem is composed of a first draught fan, a heater and an air outlet, and dry air at the specific temperature is provided to quickly dry the filter element. Wherein the modified spray head assembly has rotating and vertical adjusting functions so as to meet the requirements of different filter elements. The efficient and uniform filter element modification can be realized, and the solvent loss is effectively reduced.

The utility model relates to a barite powder modifying and activating device for drilling fluid, and belongs to the technical field of barite powder processing. The device comprises a modification mixing bin, a material dispersing mechanism and a convection mechanism, air inlet holes are formed in the side face of the modification mixing bin, and a feeding mounting pipe is arranged at the upper end; the material dispersing mechanism is composed of a material distributing assembly and a material dispersing driving part, the material distributing assembly is located in the feeding installation pipe and is driven by the material dispersing driving part to reciprocate, it is guaranteed that barite powder is evenly dispersed into the modification mixing bin, local accumulation is avoided, and it is guaranteed that particles make full contact with a modifier; the convection mechanism comprises a convection assembly and is installed in the air inlet, airflow circulation is formed by generating pushing force, the uniform distribution condition of the barite powder in the modifier is remarkably improved through combination of the material dispersing mechanism and the convection mechanism, dynamic contact between the barite powder and the modifier is promoted, interaction between the barite powder and the modifier is further enhanced, and the service life of the modifier is prolonged. The modification is more thorough and consistent, and the modification efficiency and quality are improved.

The present disclosure provides a website page modification method and device, electronic device, and storage medium, and relates to the field of computer technology. The website page modification method includes: obtaining an original website page, the original website page is obtained based on a pre-built visual editor; sending the original website page to the visual editor to obtain an original website page in an editable state; the original website page in an editable state includes multiple target functional blocks; based on a visual modification operation on the target functional block, a modified target functional block is generated; according to the modified target functional block and the unmodified target functional block, the original website page is re-rendered to obtain the target website page. The technical solution of the embodiment of the present disclosure can perform visual editing of the target functional block through a visual editor, thereby realizing the modification of the original website page.

The utility model belongs to tobacco production equipment technical field discloses a kind of tobacco froth cleaning devices applied to thin equipment, and thin equipment includes lower tobacco passage, lower tobacco passage includes upper passage, and door plate is provided on the lateral wall of upper passage.The cleaning device includes air blowing block and mounting support, wherein, air blowing block is opened with air inlet and multiple front blowholes, and air flow channel is formed with air blowing block extension along air inlet, multiple front blowholes are all communicated with air flow channel, air inlet is used to pass into compressed air, and compressed air can be swept tobacco froth in upper passage by front blowhole, air blowing block is installed on the inner top wall of upper passage by mounting support, and front blowhole is set towards door plate, and multiple guide grooves are opened on door plate, and tobacco froth is discharged lower tobacco passage by guide groove.The tobacco froth cleaning device can effectively reduce the tobacco froth in lower tobacco passage, thereby reducing the tobacco package inside froth rate and thin equipment's downtime frequency, and basically do not affect the original structure of thin equipment.

The method for configuring and generating the tool set by the remote data conversion unit based on the ICD comprises the following steps of: extracting all XML (Extensible Markup Language) documents from the ICD, and storing the XML documents into a hash table; analog discrete magnitude configuration information, digital signal configuration information and data conversion configuration information are extracted from the hash table, and an analog discrete magnitude configuration file, a digital signal configuration file and a data conversion configuration file in an XML format are generated; and defining the format of a remote data conversion unit capable of loading a binary configuration file, and filling the data in the analog discrete magnitude configuration file, the digital signal configuration file and the data conversion configuration file in the XML format into the loadable binary configuration file. According to the method, the loadable binary file is generated to be read by the airborne software, and the source code of the airborne software does not need to be modified, so that the maintenance cost of the software is reduced, meanwhile, the link of manually modifying the source code is avoided, and the modification efficiency and accuracy are improved.

The utility model belongs to the field of powder modification, and discloses a powder heating modification device which comprises a barrel body, a mixing pushing mechanism and a heating mechanism, the barrel body is of a long barrel-shaped structure, the mixing pushing mechanism pushes materials backwards, and the heating mechanism is used for heating the materials. The main shaft is located in the barrel body and is in transmission fit with the power source, the blades are tightly arranged in the axial direction of the main shaft, part or all of the blades are forward blades, the forward blades push materials in the forward direction, and the heating mechanism is arranged on the barrel body and heats the materials in the barrel body. The long cylindrical barrel is used as a material processing container, so that the distance between a central material and a shell of the barrel can be reduced, the heating area of powder is increased, the modification efficiency is further improved, and similarly, the modification efficiency can also be improved by adopting the second barrel and the third barrel.

The application discloses a one-stop multilingual modification method, system and computer device, the method is applied to a multilingual system, the multilingual system comprises a client and a server, the method comprises the following steps: the server generates multilingual content and sends the multilingual content to the client, the multilingual content comprises original multilingual text and positioning metadata; in response to an activation instruction, a text editing box is provided in a current user interface for receiving user modification of the original multilingual text; the client determines modified UI controls, and determines target positioning metadata bound to the controls; the client binds the positioning metadata to the UI controls in the client in advance; the client submits the target positioning metadata and the modified original multilingual text to the server; and the server positions the original multilingual text based on the target positioning metadata and replaces the original multilingual text with the modified original multilingual text. The application can realize quick replacement of original multilingual text of target controls and improve modification efficiency.

The invention provides a preparation method of modified heavy calcium carbonate, and belongs to the technical field of preparation of heavy calcium carbonate. The method for preparing the modified heavy calcium carbonate comprises the following steps: firstly, mixing calcite raw ore particles and a grinding aid, and sequentially grinding and grading twice to obtain heavy calcium carbonate powder; then the ground calcium carbonate powder is sequentially subjected to pre-activation and secondary activation, modified ground calcium carbonate is obtained, and a composite modifier is added during pre-activation and secondary activation. The modified heavy calcium carbonate is applied to the unsaturated polyester wood lacquer, so that the storage stability and the polishing property of the product can be effectively considered, and the urgent demand of the market is met.

The invention discloses an architectural drawing intelligent modifying and drawing method and system based on a large model. The method comprises the steps that an architectural drawing in drawing software is obtained and converted into a picture format; taking the picture subjected to format conversion as training data of a large drawing model, and automatically modifying and drawing an original picture in the training data according to the modification instruction so as to finely adjust the large drawing model; calling the fine-tuned large drawing model to input a picture format and a modification instruction of an existing architectural drawing of the to-be-modified drawing software to automatically generate a new picture and a modification instruction; and converting the format of the generated new picture into an architectural drawing format of the drawing software by utilizing secondary development in the drawing software, and attaching a modification instruction. The building drawing and other engineering drawings can be intelligently modified and drawn, and the method has the advantages of being high in modification efficiency, high in speed and wide in application range.

The invention discloses a vehicle-mounted Ethernet centralized data management system and method, and relates to the technical field of vehicle-mounted Ethernet communication based on a time-sensitive network, and the system comprises an ECU recognition module which is used for extracting an ECU unit; the current parameter analysis module is used for obtaining the mention rate and the importance degree of each basic parameter according to the ECU unit and obtaining a first parameter probability; the historical parameter analysis module is used for extracting a query rate and a modification rate of historical parameters to obtain a second parameter probability; the parameter screening module is used for obtaining a target basic parameter according to the first parameter probability and the second parameter probability; the quick entry module is used for obtaining network entries according to the parameter entries and setting quick entries according to the network entries; and the entity structure generation module is used for generating a distributed data entity structure. The method and the device have the effect of improving the efficiency and the accuracy of parameter query and modification in the test development process of the vehicle-mounted Ethernet.