980results about How to "Reduce the use effect" patented technology

The invention discloses a rotary excavating pile construction method for a karst cave dense area capable of preventing water and soil loss. According to the real-time monitoring system, the sensor is installed on the drill bit, various data such as the drill bit position, the drilling speed and the hole wall stability in the drilling process are collected in real time, and real-time feedback is provided for construction. By means of the system, constructors can know the drilling state in time, drilling parameters are adjusted in real time through data analysis, and the drilling process is optimized. By means of real-time monitoring and adjusting, the construction efficiency is improved, risks caused by geological condition changes are greatly reduced, and the safety of the construction process and the drilling accuracy are guaranteed. According to the self-adaptive slurry injection system, the flow and pressure of slurry can be automatically adjusted according to real-time monitoring data, especially when a karst cave or an easily-collapsed hole section is encountered, the system can automatically increase the slurry injection amount so as to maintain the stability of a hole wall, the construction efficiency is improved, and the construction cost is reduced.

The invention discloses a collaborative optimization method for mobile shore power dispatching and berth allocation. The collaborative optimization method comprises the following steps: a model construction module for constructing a collaborative optimization model for mobile shore power dispatching and berth allocation; the data acquisition module is used for collecting ship information, berth information and shore power information data; the intelligent decision-making module is used for solving the collaborative optimization model by applying an optimization algorithm; and the distribution execution module is used for automatically or semi-automatically executing shore power dispatching and berth distribution operation according to a calculation result. According to the collaborative optimization method for mobile shore power dispatching and berth allocation, dispatching and allocation of shore power and berth resources under the multi-target condition are optimized, the method is suitable for various ports where mobile shore power resources and berth allocation need to be optimized, high flexibility and adaptability are achieved, the utilization rate of berths and shore power is increased, and the cost is reduced. Fuel oil use and pollution emission during the berthing period of the ship at the port are reduced, remarkable environmental protection benefits are achieved, and the port is assisted to achieve green operation and dual-carbon targets.

The utility model belongs to the technical field of solar panels, and particularly relates to an umbrella type automatic folding solar panel which comprises a containing bin, a first electric push rod is arranged in the containing bin, a guide column is arranged at the end of the first electric push rod, and an umbrella cover is fixedly connected to the end of the guide column. A plurality of photovoltaic panels are fixedly installed on the top of the umbrella cover, the outer wall of the guide column is slidably connected with a ring sleeve, and the ring sleeve is connected with the umbrella cover through umbrella ribs. In severe weather, the second electric push rod is electrified and contracted to move the ring sleeve, the ring sleeve moves and the umbrella ribs are utilized to fold the umbrella cover, so that the photovoltaic panel is folded, after the photovoltaic panel is folded, the first electric push rod contracts to collect the photovoltaic panel into the containing bin for storage and protection, and the photovoltaic panel is prevented from being damaged in the severe weather. Rain, snow, wind, sand and hail can impact a solar panel, the solar panel is damaged, the service life of the solar panel is shortened, and the using effect is reduced.

The invention belongs to the field of grid-connected converter control methods, and discloses a torque quantization-based low-frequency oscillation suppression method for a direct-current voltage synchronous inverter, which constructs a grid-connected damping torque model of the inverter, quantifies a damping torque and a synchronous torque of a system and describes oscillation characteristics of the system. When oscillation is unstable and damping or synchronous torque is a negative value, the provided compensation torque stabilizer is introduced through angular frequency deviation, a lag phase of the system at the oscillation frequency is compensated by using a lead-lag corrector, and then the compensation torque stabilizer is fed back to an active power reference value. By designing the compensation torque, it is ensured that the synchronous torque and the damping torque of the system are positive values all the time, and oscillation instability is effectively restrained. The method is suitable for a small-disturbance working condition, the steady-state characteristic of inverter operation is not changed, the grid-connected stability of the grid-forming type photovoltaic inverter is improved, and meanwhile scheduling optimization and energy efficiency evaluation of the system are not affected.

The invention discloses a display panel, a display device and a preparation method of the display panel. The display panel comprises a substrate, an isolation structure and a light emitting device layer. The first film layer, the second film layer and the third film layer are arranged to form an isolation structure, and the orthographic projection of the first film layer close to the substrate on the substrate is located in the orthographic projection of the second film layer on the substrate. The extension distances corresponding to at least two light-emitting units are different, the extension distances of the isolation structures corresponding to part of the light-emitting units are larger, and due to the fact that the peripheral sides of the first electrodes are in lap joint with the third film layers of the isolation structures, the lap joint area of the first electrodes of the corresponding light-emitting units with the larger extension distances and the third film layers of the isolation structures is larger; therefore, the overlapping impedance between the part of the first electrode and the isolation structure is reduced, and the light-emitting effect of the light-emitting unit and the use performance of the display panel are improved.

The invention relates to the technical field of resource optimization, in particular to a construction resource optimization method and system based on cloud computing, and the method comprises the following steps: collecting and preprocessing the real-time data of a construction site, updating a decision model, adjusting a decision tree, and dynamically matching manpower and material resources; the mechanical configuration influence is evaluated by applying ensemble learning, resource allocation and maintenance are optimized, and project efficiency and cost effectiveness are improved. According to the method, real-time data preprocessing and resource demand prediction are utilized, the dynamic allocation capacity of construction resources is remarkably improved, the construction progress and environment change are monitored in real time, resource allocation is adjusted in real time, material and manpower configuration is optimized, prediction precision is improved, and excessive use and waste of resources are reduced; synchronous improvement of project progress and quality is ensured, the influence of mechanical equipment configuration is analyzed by adopting integrated learning, the cost-benefit ratio is further optimized, and the flexibility and response speed of project management are improved.

The invention discloses a material conveying equipment management and control method and system for workpiece logistics conveying, and belongs to the field of equipment management and control. The material conveying equipment management and control method comprises the following steps: collecting data of material attributes and environmental parameters; calculating an optimal material conveying path by using a hybrid optimization algorithm in combination with a production environment and material characteristics; using a material demand prediction model to predict the material demand and time in the future preset time based on the optimal material conveying path; in the material conveying process, the quality of the materials is monitored in real time; the predictive maintenance model is used for analyzing the speed and the frequency of the material conveying equipment, and fault occurrence is predicted through real-time monitoring and analysis of equipment operation data. Through real-time monitoring and analysis of equipment operation data, the predictive maintenance model can recognize possible faults in advance, so that a maintenance team can take preventive measures before the faults occur.

The invention discloses a house building construction dust removal device which is applied to the technical field of house building construction and comprises a dust removal mechanism, the dust removal mechanism comprises a shell assembly, and when the house building construction dust removal device is used, the device is preferentially placed on a needed platform. And when spraying dust removal needs to be carried out in a near range, rotation of an adjusting ring is achieved by rotating a rotary knob, and the angle of a spray head can be adjusted. The angle of the spray head can be adjusted and changed, so that the range of the device is changed, the diameter of a sprayed cylinder is expanded, and the spray head is adjusted to be in a state of gathering towards the center when the fan blades need to be matched for remote spraying subsequently, so that the spray head can be matched with air blowing of the fan blades for spraying. Through the arrangement, different use angles of the spray head can be expanded to achieve different spraying effects, so that the use flexibility of the dust removal device is improved, and the use limitation is reduced.

The invention discloses a routing method of a quantum key distribution network and a related device. The method comprises the steps that the state of a first QKD network is collected, the value of a corresponding reward function is calculated, the state is input into a preset actor network, and a corresponding action is output; the reward function is a linear combination of a plurality of topological state influence parameters; training the actor network by using a training architecture of the actor-commentator network in combination with the state, the action and the reward function value until a training termination condition is reached; taking the trained actor network as a strategy network; inputting the state of the link between the nodes in the second QKD network of which the route is to be determined into the strategy network, and outputting the weight value of the link between the nodes in the second QKD network through the strategy network; and calculating the optimal route of the second QKD network according to the weight value output by the strategy network. The invention provides a strategy network which is more intelligent and stronger in robustness so as to realize a routing strategy which is higher in distribution efficiency and more balanced in load.

The invention provides a code generation method and related equipment, and relates to the technical field of artificial intelligence. The method comprises the following steps: acquiring a demand description and an example code input by a user; based on the demand description and the example code, obtaining a plurality of tasks and a dependency relationship among the plurality of tasks, the plurality of tasks being used for generating a target code corresponding to the demand description; determining a prompt word matched with each task in preset prompt words; and inputting the plurality of tasks, the dependency relationship and the cue word corresponding to each task into a large language model to obtain a target code corresponding to the demand description. According to the embodiment of the invention, the user does not need to carry out additional model training, the use threshold of the user is greatly reduced, the large model can be guided to generate the code meeting the specific task requirement, and the user satisfaction is improved.

The invention provides an equipment information management method and system based on a multi-modal large model in the technical field of equipment information management. The method comprises the following steps: S1, acquiring historical multi-modal data to construct a data set, and dividing the data set into a training set, a verification set and a test set; s2, creating a multi-modal large model based on a Vi T module, a Bert module, a numerical feature construction module, a feature fusion module and an output module, and setting hyper-parameters; s3, training and evaluating the multi-modal large model through the training set, the verification set and the test set; step S4, compressing the multi-modal large model which passes the evaluation; and S5, collecting real-time multi-modal data of installed equipment in the management area by each area server, and inputting the real-time multi-modal data into the multi-modal large model to obtain an equipment information analysis report. The method has the advantages that the efficiency, the quality, the traceability and the resource utilization rate of equipment information management are greatly improved, and then the reliability of equipment operation and maintenance is greatly improved.

The invention discloses a direct visual field testing device, which relates to the technical field of testing and comprises a video auxiliary device and a marker device, the video auxiliary device realizes three-dimensional positioning and real-time video acquisition of preset eye spots through a height adjusting mechanism, an angle adjusting mechanism and a holder adjusting mechanism; the marker device realizes accurate adjustment and stable positioning of a marker in a test area through a height adjusting rod, a knuckle bearing and laser-assisted positioning; the direct visual field testing device is suitable for accurate measurement of the visual field range of a driver, can efficiently collect and record testing data, has the advantages of being convenient to operate, high in adaptability, high in precision and the like, and is widely applied to the fields of vehicle design, driving training, safety research and the like.

The invention belongs to the technical field of fiber size measurement, and particularly relates to a method for measuring the length of fibers in a fiber reinforced thermoplastic composite material. Mixing and diluting the fiber reinforced thermoplastic composite material and thermoplastic resin to obtain a diluted material, pressing the diluted material to obtain a test sample strip, cutting the test sample strip into a sample wafer, and measuring the length of the fiber in the sample wafer under an optical microscope; wherein the fiber reinforced thermoplastic composite material is prepared from matrix resin and reinforced fibers, and the matrix resin is the same as thermoplastic resin. According to the invention, the problems of poor measurement result accuracy and reproducibility and low measurement efficiency of the existing fiber length measurement method for the fiber reinforced thermoplastic composite material are solved.

The invention provides a pile end and pile side integral post-grouting construction device and method. The pile end and pile side integral post-grouting construction device comprises a sounding pipe, a plurality of vertically arranged pile side grouting pipes are arranged on the side face of the sounding pipe, an openable pile end grouting plug is arranged at the bottom end of the sounding pipe, and a sealing film is arranged at a grout outlet of each pile side grouting pipe; and the bead type mud jacking device can be inserted into the sounding pipe, a plurality of independent mud jacking cavities corresponding to the pile end mud jacking plugs and all the pile side mud jacking pipes respectively are formed in the sounding pipe, and mud jacking is conducted on the pile end mud jacking plugs and all the pile side mud jacking pipes. The sounding pipe can be used as a mud jacking pipe required by mud jacking, the requirement for additionally arranging the mud jacking pipe is reduced in the construction process, therefore, the material use amount and the construction cost are reduced, meanwhile, the convenience and efficiency of mud jacking operation are improved, the string bead type mud jacking device inserted into the sounding pipe is matched, overall mud jacking of the pile side and the pile end is achieved, the mud jacking time is saved, and the construction efficiency is improved. And an effective shell is formed at the pile side and the pile end and is tightly engaged with a surrounding soil layer, so that an effective integral pile foundation shell is formed.

The invention discloses three novel corynebacterium glutamicum heat-resistant elements and application thereof, and belongs to the technical field of bioengineering. Three heat-resistant genes are obtained from corynebacterium glutamicum research. The heat-resistant gene and a promoter Ptuf are connected and are combined and transformed in corynebacterium glutamicum. The heat-resistant element is introduced into a plasmid and is expressed in corynebacterium glutamicum. After 24 hours of high-temperature culture at 42 DEG C, the OD600 of the corynebacterium glutamicum containing the heat-resistant element and the plasmid is improved, and the growth condition of the corynebacterium glutamicum at 42 DEG C is obviously superior to that of the starting corynebacterium glutamicum. Therefore, the heat-resistant elements can obviously improve the heat resistance of corynebacterium glutamicum under a high-temperature culture condition. The method has important application value in improvement of the thermal stability of corynebacterium glutamicum and industrial production prospect.

The invention provides a device networking method and system based on an IPv6 protocol, and the method comprises the steps: reading a sequence number in a unique identifier of a device when the device is registered, combining the sequence number with bytes generated by a random number generator to generate a network card identifier and a local link address, triggering a multicast neighbor request, splicing the multicast neighbor request with a router IPv6 network address prefix to form a device IPv6 address, and transmitting the IPv6 address to the device; registering identifier information to the system, and setting the object to complete registration; during IPv6 network address change monitoring of the equipment, an ICMP6 protocol routing announcement is intercepted, and when a router network prefix is changed, a new prefix and a network card identifier are used for regenerating and re-registering an IPv6 address; in the aspect of system functions, registration information is received, related contents are registered, parameters are set remotely, user and equipment management is carried out, and equipment management covers multiple functions such as software remote online upgrading; address management can be simplified, the use threshold and cost are reduced, the equipment management function is enhanced, the dynamic address processing efficiency is improved, and the defects in the prior art are overcome.

The invention provides a method for realizing user login security authentication based on a cloud platform, which belongs to the technical field of security authentication and comprises management forms of password identity authentication, two-factor authentication, biological recognition authentication, certificate-based authentication and the like based on a cloud platform user. Security of transmission protocol encryption, password encryption, storage encryption and the like is also included, and data leakage is prevented; meanwhile, access control limitation of the user, user login security auditing and monitoring and the like are also included, and it is ensured that abnormal login or abnormal operation of the user can be found and processed in time. In the cloud platform system, whether multiple authentication modes, authentication timeliness and the like are configured for the user role, so that the user login process can be simplified in the complex cloud platform system.

The invention discloses equipment for growing large-size gallium oxide crystals and a growing method, and relates to the technical field of crystal growing equipment.The equipment comprises a single crystal furnace body, and the single crystal furnace body comprises a seed crystal lifting and rotating mechanism; the heat preservation device can be arranged in the single crystal furnace and comprises a heat preservation container and a heat preservation top plate; the metal crucible can be placed in the heat preservation container; the first driving mechanism is used for driving the metal crucible to rotate; the induction heating coil is sleeved outside the heat preservation container; and the conical surface ring is connected with the output end of the seed crystal lifting and rotating mechanism through a connecting assembly. The growth method comprises the following steps: melting a gallium oxide raw material, descending the conical ring, generating high-quality seed crystals through nucleation control, expanding to a crystal face, lifting the conical ring to perform equal-diameter growth control after the crystal face is in stable contact with the conical ring, and ending after the crystals reach a set size. The twin crystal defect in a traditional guided mode or Czochralski method can be effectively avoided, and crystals with higher quality can be grown.

The invention belongs to the technical field of logistics transportation, and particularly relates to an intelligent logistics transportation device and method. Comprising rollers, the two ends of the multiple rollers are jointly connected with arc-shaped side protection plates, and the two arc-shaped side protection plates and the multiple rollers form a curve roller way conveyor; the circle centers of the two arc-shaped side protection plates are coaxial; the top faces of the two arc-shaped side protection plates are provided with baffles consistent with the arc-shaped side protection plates in trend, and the baffle with the large outer diameter is provided with a resistance reducing and damage avoiding assembly. The resistance reducing and damage avoiding assembly comprises an annular air bag, and the annular air bag is arranged at the turning position of the curve roller way conveyor and protects conveyed objects. By means of the resistance reducing and damage avoiding assembly, impact force generated by objects during collision can be reduced through buffering force generated by air in the annular air bag, the objects are prevented from being damaged during conveying, meanwhile, the situation that normal use of the device is affected due to the fact that the device is impacted is avoided, the conveying effect of the device is improved, and the service life of the device is prolonged; therefore, the potential safety hazard of the device in use is reduced.

The utility model relates to the field of chargers, in particular to a charger with a winding mechanism. The technical problems that a charging wire of an existing charger usually needs to be frequently plugged and pulled out of the charger and carried, in the charging wire carrying process, the charging wire is inconvenient to wind and store evenly, the charging wire is prone to bending and stretching, the charging wire is damaged and broken, and the service life and the charging effect of the charging wire are affected are solved. According to the technical scheme, the charger with the winding mechanism comprises a shell, a rolling assembly, a limiting assembly, a fixing assembly and a plug; a plurality of groups of partition plates are adopted to separate charging wires for winding, so that the charging wires are kept tidy and orderly in the winding process, the winding distance of the charging wires is consistent, the situation of excessive winding or too tight winding is avoided, winding and entanglement between the charging wires are effectively prevented, the winding process is more stable, and the winding efficiency of the charging wires is improved. And the inconvenience in use and the damage risk caused by winding of the charging wire are reduced.

The embodiment of the invention provides a visual space science experiment data analysis assembly line method. The technical problem that space science experiment data analysis is poor in convenience can be solved. The method comprises the following steps: in response to input data selection operation, algorithm model selection operation and visual component selection operation, generating data nodes, model nodes and visual nodes; performing parameter configuration on the data nodes, the model nodes and the visual nodes, and performing assembly line connection operation to generate a flow chart; based on the flow chart, receiving an input job submission operation; analyzing the flow chart to obtain an analysis result; obtaining a job scheduling result based on the analysis result; based on the job scheduling result, an algorithm mirror image deployment package corresponding to the algorithm model selection operation and file data corresponding to the data selection operation are called; performing algorithm analysis on the file data according to the algorithm mirror image deployment package to obtain an analysis result; and performing visual display. And multi-process, interactive and quantitative data analysis is realized.

The invention discloses a disturbance of consciousness auxiliary communication system fusing eye movement tracking and electroencephalogram, comprising a data acquisition device connected with a multi-mode BCI communication system and used for collecting scalp electroencephalogram signals and eye movement signals; the multi-modal BCI communication system can identify the answer (yes / no) of the subject by detecting and analyzing the multi-modal data collected from the communication normal form, so as to realize online binary communication; the multi-modal BCI communication system comprises a multi-modal target identification network, and the multi-modal target identification network specifically comprises a data preprocessing module used for preprocessing and synchronizing different modal data; the double-flow feature extraction module is composed of two independent multi-scale convolutional neural networks which are respectively used for EEG and eye movement data so as to carry out feature extraction on data of different modals; according to the invention, a novel BCI alternating normal form integrating P300 potential and eye movement tracking is designed; the P300 detection and the eye movement tracking detection have irreplaceability and complementarity.

The utility model provides a swing water outlet device. The swing water outlet device comprises a shell part, a water outlet part and a swing part. The shell part is provided with a water inlet channel and a water outlet nozzle communicated with the water inlet channel; the water outlet piece is arranged on the water inlet channel and used for outputting water flow along a specified path; the swinging piece is connected to the water outlet nozzle, and the swinging piece correspondingly and freely drives the water outlet nozzle to relatively swing after receiving the output water flow so as to form dynamic water spray outlet; the swing part is constructed to be of a rotary disc structure, a moving space suitable for flexible rotation of the rotary disc structure is arranged in the shell part, and when water is not discharged for use, the rotary disc structure can keep a balance state relatively adaptive to gravity in the moving space. According to the invention, the flexible self-adaption can be realized no matter in any posture for grabbing and using, the water flow can be quickly responded and the swinging effect can be generated as required, and the dynamic balance gravity downward deflection can be kept when the water flow stops, so that the stability can be kept in a non-working state, and the risk of accidental shaking or inclination can be reduced.

The invention relates to a preparation method of yarn and velvet triboelectric fabric and a friction nanometer generator, and belongs to the technical field of intelligent textile materials. The friction nanometer generator comprises a positive friction unit and a negative friction unit; at least one of the positive friction unit and the negative friction unit comprises the velvet friction electric fabric. According to the invention, more technical possibilities can be provided for the development of flexible and diversified friction nano-generators, and the application prospects of the friction nano-generators in the fields of clothing, wearable equipment and the like are greatly expanded.

The invention discloses a display panel and a display device. The display panel comprises a substrate, an isolation structure, a light emitting unit and a first packaging layer. The first packaging layer comprises a packaging part, the packaging part comprises a first segment and a second segment which are connected with each other, the first segment is located in the isolation opening, and the second segment is located on the side, facing the isolation opening, of the isolation structure; the surface of one side, deviating from the substrate, of the first segment and the surface of one side, deviating from the isolation structure, of the second segment are at least partially connected to form a gap space; the isolation structure comprises a first sub-layer and a second sub-layer which are stacked, and the first sub-layer is provided with a top surface deviating from the substrate; the length of the second sub-layer protruding out of the first sub-layer towards the isolation opening is a, the orthographic projection of the gap space on the substrate has a first boundary far away from the isolation structure, the orthographic projection of the top surface on the substrate has a second boundary, and the distance between the first boundary and the second boundary is b, bgt; a. The yield and the use performance of the display panel are improved.

The invention relates to a trichoderma asperellum and pseudomonas aeruginosa compound microbial agent as well as a preparation method and application thereof. The compound microbial agent is prepared from a pseudomonas aeruginosa solid fermentation product, a trichoderma asperellum solid fermentation product, an auxiliary agent and a synergist, the number of effective spores in the compound microbial agent is greater than 10 < 10 > CFU / g; the pseudomonas aeruginosa is preserved in the China General Microbiological Culture Collection Center (CGMCC) on September 13, 2022, and the preservation number of the pseudomonas aeruginosa is CGMCC No.25697; the trichoderma asperellum is preserved in the China General Microbiological Culture Collection Center (CGMCC) on August 9, 2023, and the preservation number of the trichoderma asperellum is CGMCC No. 40752. The compound microbial agent can effectively solve the problems of soil-borne diseases such as pepper phytophthora blight and continuous cropping obstacles in the prior art, and has an obvious growth promoting effect on melon and vegetable plants such as pepper.

The utility model relates to the technical field of smoke dust treatment, and discloses a smoke dust removal device capable of recycling waste heat of a biomass boiler, which comprises a boiler, an electric telescopic rod is slidably connected to one side of the top end of the boiler, a motor is rotatably connected to the top of the electric telescopic rod, and a connecting rod is fixedly connected to the driving end of the electric telescopic rod. And cleaning frames are fixedly connected to the peripheries of the upper portion and the lower portion of the connecting rod, sliding plates are slidably connected to the interiors of the cleaning frames, and brushes are fixedly connected to the sides, away from each other, of the two sliding plates. According to the utility model, the dust on the inner wall of the boiler is removed through the dust removal mechanism, so that dust on the inner wall of the boiler device is not increased, the usability of the device is not reduced, the service life of the device is not shortened, and particulate matters and dust generated by biomass combustion can be effectively captured and removed through the dust prevention mechanism, so that the amount of particulate matters discharged by the boiler is reduced; air pollution is reduced, and the surrounding environment is protected.

The invention relates to the technical field of fertilizers, and particularly discloses a biological fertilizer water retention agent, a preparation method thereof and a compound fertilizer. The preparation method of the biofilm fertilizer water retention agent comprises the following steps: preparing loaded microorganisms; adding polyglutamic acid and glucan into water, uniformly stirring, adjusting the temperature of the system to 50-70 DEG C, cooling, adding the loaded microorganisms, and uniformly mixing to obtain a premix a; adding cross-linked carboxymethyl cellulose and silica fume into the premix a, and uniformly mixing to obtain a premix b; and uniformly mixing guar gum, polyvinyl alcohol and carboxymethyl cross-linked dextran gel, adjusting the water content of the system, stirring, cooling, adding into the premix b in a stirring state, stirring, and carrying out post-treatment to obtain the biofilm fertilizer water retention agent. The invention discloses a compound fertilizer and a preparation method thereof. Through the synergistic effect of various effective components, the water-retaining and fertilizer-retaining capacities of soil are improved, and the water-retaining and fertilizer-retaining agent is used for compound fertilizers, promotes plant growth and is suitable for large-scale popularization and application.

The invention relates to a non-polar thermoplastic plate with a polar surface coating as well as a preparation method and application of the non-polar thermoplastic plate, and belongs to the technical field of automobile coatings. The problems that in the prior art, in the process of attaching a paint film to the surface of a non-polar thermoplastic plate, a base material is prone to thermal stress or deformation, the paint film is uneven in attachment and prone to falling off or peeling off, cost is high, process time is long, and industrialization is difficult to achieve are solved. According to the method, low-cost polyphenol and amine substances are used for spraying codeposition, and a particle coating with a certain thickness and roughness is formed on the surface of the non-polar thermoplastic plate by regulating and controlling the condition parameters of the spraying process, so that the adhesion capacity of the surface of a matrix is enhanced; the introduced active groups increase the surface polarity of the matrix and enhance the interface bonding between the matrix and the paint film; the particle coating is prepared at normal temperature, so that thermal stress or deformation caused by heating of a matrix is avoided; and by adopting the processes of adding a strong oxidant and spraying and codepositing, the modification time is greatly shortened, the working efficiency is improved, and the industrial production of the modified non-polar thermoplastic plate is promoted.

The invention discloses a preparation method of a biocompatible porous material, and belongs to the technical field of biological materials and functional materials. The technical problem that an existing porous material is poor in biocompatibility due to the fact that a porous structure is formed by using strong acid or a toxic solution is solved. According to the technical scheme, the preparation method comprises the steps of self-assembly of a two-dimensional material and microcrystal particles, sectional temperature control drying treatment, dissolution treatment and vacuum freeze drying. The method has the beneficial effects that by utilizing a microcrystal dissolution differentiation technology, the precise construction of a porous structure is realized under the condition that strong acid or toxic solution is not used, and harmful chemicals are not used, so that the biocompatibility and the biological activity of the material are reserved.