27results about How to "Meet application requirements" patented technology

The utility model relates to a 45-degree oval thoracic cavity curettage spoon, which belongs to the technical field of medical supplies. The utility model discloses handle and harrow hook are connected as an organic whole, the harrow hook includes the harrow hook main part and the spatula who are connected, the spatula is arranged at the front end of the harrow hook main part, the handle is arranged at the rear end of the harrow hook main part, and the spatula adopts oval long groove type design. The utility model has simple and reasonable structure design, is safe and reliable, convenient to operate, can be applied to single-hole and multi-hole thoracoscope, and satisfies the use demand.

The invention provides an unmanned aerial vehicle routing inspection method and system based on semantic guidance and an asset value cost graph, and the method comprises the steps: reasoning a possible distribution region of a target when the target is not directly observed through analyzing the structure law of semantic information, such as an equipment number, a function partition identifier and the like, in a transformer substation; generating a confidence map to guide the unmanned aerial vehicle to efficiently inspect; constructing a semantic cost graph fusing the static asset value and the dynamic operation risk, and quantifying potential loss of different regions when collision or falling occurs; according to the real-time health state of the unmanned aerial vehicle, semantic guidance is emphasized during normal inspection through a dual-guidance function fusion and switching mechanism, and the unmanned aerial vehicle is automatically switched to asset value cost minimization guidance in an abnormal or emergency state to realize safe disposal; the system adopts a framework of semantic reasoning, cost evaluation and flight control module decoupling, and guidance intelligence and control reliability are ensured. According to the invention, the inspection blindness of the unmanned aerial vehicle is obviously reduced, and the abnormality handling risk is reduced.

The invention provides an environment-friendly high polymer material additive as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials, the preparation method comprises the following steps: dissolving beta-cyclodextrin into an anhydrous solvent, adding methacryloyl chloride, controlling the molar ratio of methacryloyl chloride to beta-cyclodextrin to be 1: 1, carrying out substitution reaction, then adding excessive acetic anhydride, and carrying out heat preservation reaction to obtain the environment-friendly high polymer material additive. Carrying out acetylation reaction, and purifying to obtain modified beta-cyclodextrin; adding glycidyl methacrylate, ethylene and modified beta-cyclodextrin into a reaction kettle, and carrying out high-pressure free radical polymerization in the presence of an initiator and a chain transfer agent to obtain the environment-friendly high polymer material additive, wherein the mass ratio of the glycidyl methacrylate to the ethylene to the modified beta-cyclodextrin is (4-8): (88-94): (2-4). According to the prepared additive, the processing rheological property and mechanical toughness of a PCR material are improved, meanwhile, the release characteristic of low-volatility organic compounds is considered, and the application requirements of the fields of automobile interiors and high-end packaging are easily met.

This invention discloses a method for preparing high oil-resistant nitrile rubber. Based on 100 parts by weight of butadiene and acrylonitrile, the mixture includes 275 parts soft water, 50-55 parts butadiene, and 45-50 parts acrylonitrile. The emulsifier is a composite system of dodecylbenzene sulfonic acid and naphthalene sulfonic acid formaldehyde condensate sodium salt, with an emulsifier dosage of 2.5-5 parts. The initiator is a persulfate, with a dosage of 0.1-0.5 parts. Triethanolamine is 0.1 parts. A nitrile rubber paste is synthesized via a thermal polymerization process using a batch feeding method with the addition of a molecular weight regulator. A terminator and antioxidant are added, and the paste is then degassed, coagulated, washed, and dried to obtain a high-strength nitrile rubber product. This nitrile rubber exhibits a Mooney viscosity (ML). (1+4) 100℃ With a strength of 90-120, tensile strength ≥27.5MPa, and elongation at break ≥450%, it can meet the application requirements of automobiles, aerospace, gaskets and other fields.

This invention discloses a semantic understanding method and engine based on multi-model collaborative reasoning and self-supervised learning, belonging to the fields of natural language processing and artificial intelligence. The method includes preprocessing input data to extract semantic features; intelligently scheduling at least two models from a large language model, task-oriented model, and rule engine for collaborative reasoning through a dynamic routing module based on multi-level policies and meta-learning networks; using a multi-model fusion module to perform hierarchical fusion and conflict resolution of the reasoning results, outputting the final semantic understanding result; and continuously optimizing the system through feedback learning. A self-supervised pre-training task is used to learn a general semantic representation from unlabeled data to enhance the model's generalization ability. The engine includes core modules such as input processing, dynamic routing, multi-model fusion, feedback learning, model repository, and monitoring and security, which work together to implement the above method. This invention achieves high-precision, high-efficiency, and adaptive semantic understanding.

The application provides a monolithic adsorbent based on 3D printing technology. The application selects halloysite nanotubes and hydroxypropyl methyl cellulose as binders. The halloysite nanotubes have excellent high-temperature resistance, hardness and durability, and chemical stability, and can meet the application requirements of the catalyst under high-temperature complex working conditions, so that the catalyst structure remains mechanical stability. The hydroxypropyl methyl cellulose has processability and plasticity, and can help to print complex shapes and structures. The super strong bonding force and interlayer adhesion can effectively bond the printing materials, ensure the firmness and stability of the interlayer adhesion in the printing process, and help to reduce the distortion and deformation in the printing process. The monolithic passive NO x adsorbent provided by the application has a simple and feasible preparation method, is a non-noble metal adsorbent with economic benefits, and can be connected in series with a downstream SCR treatment unit to realize ultra-low emission in the NOx cold start stage.

The utility model discloses a kind of power line communication noise suppression device and power line communication system, including power line transmitting end module and power line receiving end module;Power line transmitting end module includes the double-stage encoding unit connected in turn, multiplexing modulation unit, mixed noise suppression unit;Double-stage encoding unit includes first stage encoder and second stage encoder, and first stage encoder is Turbo encoder, and second stage encoder is RS encoder;Multiplexing modulation unit includes orthogonal frequency division multiplexing modulator;Power line receiving end module includes iterative decoding unit, and iterative decoding unit includes soft output Viterbi algorithm decoder.The utility model is by designing a kind of fusion based on Turbo encoder and RS encoder double-stage encoding unit and based on soft output Viterbi algorithm decoder iterative decoding unit, and apply the noise suppression device of orthogonal frequency division multiplexing modulator, improve the anti-noise ability of power line communication, optimize the performance of power line communication system.

This invention provides a silicone / polyurethane / epoxy resin composite emulsion, its preparation method, and its application. It is prepared by the following steps: (1) after dehydration of polyethylene glycol and hydroxyl silicone oil, diisocyanate is added, and the mixture is heated to prepare a silicone / polyurethane prepolymer; (2) a hydrophilic chain extender is added to continue the reaction, resulting in a hydrophilic silicone / polyurethane prepolymer; (3) a diluent and epoxy resin are added, and the reaction yields a silicone / polyurethane / epoxy resin composite resin system; (4) a neutralizing agent is added after cooling; (5) water is added under high-speed stirring to form a silicone / polyurethane / epoxy resin composite emulsion; (6) the diluent is removed by vacuum distillation. The silicone / polyurethane / epoxy resin composite emulsion provided by this invention, when combined with a water-based curing agent, can be used to reinforce glass fiber filter media for lubricating oil filtration. The reinforced filter media can meet the requirements of pleating processes and high-temperature lubricating oil applications at 220℃.

This application discloses a method for forming a part, the method comprising: obtaining a first digital model and a first filling molding parameter based on a target part; obtaining a first part sample based on the first digital model and the first filling molding parameter; obtaining a density value and elongation of the first part sample based on the first part sample; if both the density value and elongation of the first part sample meet a preset threshold, then using the filling molding parameter corresponding to the first part sample as a second filling molding parameter; obtaining a second part sample based on the first digital model and the first printing molding parameter; obtaining a surface roughness value of the second part sample based on the second part sample; if the surface roughness value of the second part sample meets a preset threshold, then using the printing molding parameter corresponding to the second part sample as a second printing molding parameter; and obtaining a target part based on the second filling molding parameter and the second printing molding parameter.

The application relates to the field of flame-retardant high polymer materials, and discloses a flame-retardant PC and ABS composite material for automobile interior decoration. By constructing a core-shell flame-retardant structure, the balance between the flame retardancy and the impact toughness of the material is realized by utilizing the elastic buffer of the siloxane shell and the synergistic effect of silicon and phosphorus; by means of physical network coating and chemical grafting crosslinking of the compatilizer, interface bidirectional anchoring is formed, the outward migration of the flame-retardant component is limited, and the surface outgassing whitening under the light and heat environment is effectively reduced; and the optimized proportion makes the material meet the requirements of injection molding processability, high-temperature resistance and light weight.

The invention discloses a phenolic aldehyde amine epoxy curing agent synthesized based on paraformaldehyde and a preparation method of the phenolic aldehyde amine epoxy curing agent. The phenolic aldehyde amine epoxy curing agent is prepared from the following components in percentage by mass: 10-20% of low-molecular fatty amine, 15-30% of paraformaldehyde, 35-55% of monohydric phenol and 15-20% of organic alcohol. Paraformaldehyde (the content is greater than or equal to 92%) is used as a solid, is safe to store and transport and does not contain water, so that the yield of wastewater of a finished product is reduced. Performance detection shows that the cured product has the characteristics of quick drying and high hardness, has toughness and impact resistance similar to those of a polyamide curing agent, is also suitable for being used at low temperature in the north under a normal-temperature curing condition, has good curing performance, and is mainly suitable for epoxy floor coatings, building structural adhesives and the like.

The present application provides a method for realizing intelligent recommendation and visualization of the number of control boreholes in geological exploration, comprising: calling / building a geological exploration resource library; building a knowledge graph: based on different exploration specifications and engineering requirements, establishing the correlation between the term dictionary value, specification clause ID, engineering scene label and geological condition factor; extracting the specification clause that adapts to the current engineering type and geological condition from the knowledge graph; automatically recommending the value range of the number of control boreholes in the term interval through a self-optimizing recommendation algorithm; dynamically adjusting the value range of the number of control boreholes through a rule engine combined with the engineering type, geological complexity and exploration stage, so as to obtain the optimal value range of the number of control boreholes; forming an operational processing system for realizing intelligent recommendation and visualization of the number of control boreholes in geological exploration. The present application can effectively form an intelligent system for improving the efficiency and accuracy of the visualization of borehole arrangement in geotechnical engineering geological exploration.

The application provides an open-pit mine slope rock mass structural plane intelligent identification and extraction method, device and equipment and a storage medium, and relates to the technical field of rock mass surface feature identification. The method comprises the following steps: acquiring a high-precision three-dimensional geological outcrop model; performing two-dimensional projection on different regions of the model and labeling structural plane contours to train a semantic segmentation model; identifying a target slope projection picture by using the trained model to obtain a two-dimensional structural plane identification result; mapping a two-dimensional structural plane trace back to a three-dimensional model based on projection parameters to obtain a three-dimensional space structural plane; performing cleaning and merging processing on the three-dimensional structural plane, eliminating an out-of-plane or twisted structural plane, merging coplanar structural planes, and calculating a structural plane normal vector to obtain occurrence information such as a dip direction and a dip angle. The application solves the problems of low efficiency, high danger and dependence on manual experience of a traditional measurement method, and realizes automatic, batch and high-precision extraction of open-pit mine slope rock mass structural planes.

This invention discloses an aluminum ash calcination denitrification whitening agent, its preparation method, and its application. By weight, the whitening agent comprises: 80-94 parts of grinding coating agent, 45-72 parts of hydrotalcite, 42-50 parts of perlite powder, 100-128 parts of diatomaceous earth, 58-65 parts of combustion aid, 75-90 parts of dispersant, 100-120 parts of adsorption and penetrating agent, 15-172 parts of dendritic mesoporous silica hollow spheres, 30-40 parts of aluminum wire, 280-300 parts of alumina, and 18-26 parts of silicate. At room temperature, the adsorbent and penetrant are mixed and stirred with the treated aluminum ash, and a dispersant is added and the mixture is stirred further. A grinding coating agent, hydrotalcite, perlite powder, diatomaceous earth, combustion improver, dendritic mesoporous hollow silica spheres, alumina, and silicates are added and thoroughly mixed to obtain a final mixture. The mixture is then sprayed into a burner in powder form and reacted with air. After stirring and calcination, aluminum wire is added and stirred and calcined again, followed by stirring and cooling to room temperature. This invention achieves the removal of toxic components from aluminum ash and the improvement of the whiteness of the calcined product.

The invention provides a thermosetting resin composition and application thereof. The thermosetting resin composition comprises the following components in parts by mass: 100 parts of epoxy resin, 10-45 parts of a phenolic curing agent, 10-60 parts of a lignin compound, 2-15 parts of a performance additive and 5-35 parts of a charring agent. Through the design and compounding of the components, a rich chemical cross-linked network structure is formed in a cured product of the thermosetting resin composition, and the thermosetting resin composition is used for prepregs, laminated boards and metal foil-clad laminated boards, so that the carbon dioxide emission in the life cycle of the boards is reduced, and the environmental pollution is reduced. The heat resistance, humidity and heat resistance, flame retardance, cohesiveness, electrical property and other comprehensive properties are excellent and are obviously higher than the IPC standard, and the application requirements of printed circuits are met.

The invention belongs to the technical field of aluminum alloy smelting, and discloses a chromium carbide-based chromium additive for an aluminum alloy and a preparation method and application of the chromium carbide-based chromium additive. The additive is prepared by mixing and pressing 70%-90% of chromium carbide powder, 2%-15% of reducing agent aluminum powder and 5%-20% of composite fluxing slag remover according to a specific ratio. The preparation method comprises the steps of burdening, mixing and compression molding. When the additive is applied, the additive is added into molten aluminum at the temperature of 720-750 DEG C, after alloying reaction, inert gas argon or nitrogen is introduced, and a fluxing slag remover is added for refining treatment. According to the method, direct and efficient utilization of the high-carbon-content and low-cost chromium carbide is achieved for the first time, the actual yield of the chromium element can reach 98% or above under the conventional smelting condition, harmful carbon impurities can be removed by 80% or above, the problems that when the chromium carbide is directly utilized, the carbon content is difficult to remove, and melting is slow are solved, and the production cost is remarkably reduced compared with using of high-purity chromium powder.

The utility model relates to battery technology field, concretely relates to a kind of flattening roller for winding machine diaphragm. Including flattening roller body, the flattening roller body is cylindrical, along its length direction, at least one group of helical groove is formed to the periphery of flattening roller body, the helical groove includes positive spiral groove and reverse spiral groove, and multiple intersections are formed between the positive spiral groove and the reverse spiral groove, and the pitch of helical groove is 20mm~30mm. Above-mentioned improves the flattening quality of diaphragm, reduces the battery quality hidden danger caused by diaphragm wrinkle, improves the yield of battery, satisfies application requirement.

This invention provides a high-temperature conductive silver paste for a microcrystalline glass thick-film heating plate, its preparation method, and sintering process. The high-temperature conductive silver paste for the microcrystalline glass thick-film heating plate, by mass percentage, comprises: silver powder: 75-85%; composite glass powder: 1-5%; organic carrier: 10-24%. The composite glass powder comprises component A and component B in a mass ratio of 1-3:1. Component B is silicon micropowder. Component A, by mass percentage, comprises: silicon oxide: 35-50%; boric acid: 20-30%; magnesium oxide: 10-15%; aluminum oxide: 5-10%; titanium oxide: 3-5%; and zirconium oxide: 1-2%. The high-temperature conductive silver paste for the microcrystalline glass thick-film heating plate prepared by this invention has high solderability, strong adhesion, a maximum operating temperature exceeding 450℃, strong resistance to high current impact, high re-firing stability, and excellent overall performance.

The invention discloses an auxiliary voltage transformation device and a current transformation system, the auxiliary voltage transformation device comprises a transformer winding, an iron core, a support, a heat dissipation plate and a heat pipe, the iron core is installed on the support, and the transformer winding is placed on the iron core; the heat dissipation plates are arranged in an air channel of the transformer winding, and the heat dissipation plates are arranged at the upper end part and the lower end part of the transformer winding; a heat pipe is arranged on the heat dissipation plate, and a cooling working medium is contained in the heat pipe. The auxiliary voltage transformation device can meet the application requirements of the train during parking and running of the train, and compared with an air cooling scheme, the noise of a current transformation system is greatly reduced, and the development requirements of the current transformation technology of motor train units and urban rail vehicles are met.

The invention discloses a deodorizing method of a regenerated polypropylene material. According to the deodorizing method of the regenerated polypropylene material, supercritical CO2 extraction treatment is carried out on the regenerated polypropylene material by adopting an extracting agent, wherein the extracting agent comprises supercritical CO2 and a cosolvent; wherein the volatile odor substance of the regenerated polypropylene material comprises one or more of isoparaffin with 10 to 20 carbon atoms, isoolefin with 10 to 20 carbon atoms, decane, n-dodecane, n-tetradecane, octanal, hexanal, limonene, isoterpinene, octanone and terpene alcohol. The odor removal method can effectively remove volatile odor substances in the regenerated polypropylene material, and the odor grade of the obtained regenerated polypropylene material can meet the application requirements of automotive interiors.

The invention discloses a foil for a carrier, a metal foil with the carrier and a circuit board, the foil for the carrier comprises a first binding surface and a second binding surface which are opposite to each other, the surface of the first binding surface contains a nickel element, and the content of the nickel element is 8-17mg / m < 2 >. By adopting the technical means provided by the invention, the pinhole rate of the surface of the foil for the carrier can be reduced, so that the quality of the metal foil with the carrier is improved, and the yield of products applying the metal foil is improved.

This invention relates to the field of welding technology, specifically to a pretreatment method for weldable parts, a composite manufacturing method, and a hot-stamped component. The pretreatment method for the weldable parts includes: before welding the edge of a coated steel plate to be welded, performing a heat treatment to melt the coating on the edge, and immediately extruding away the coating elements from the surface of the edge to be welded, forming a weldable area. This invention uses heat treatment to melt the coating and extrusion to remove the coating elements from the edge to be welded. This invention has high coating removal efficiency, eliminates the need for a pretreatment production line, and eliminates the need for prefabricated specific gaps between weldable edges and special high-alloy welding wire, thereby significantly reducing the cost of tooling fixtures and welding wire and improving welding loading efficiency. Furthermore, it ensures that the weld joint performance is qualified and the quality is stable after heat treatment in mass production.

The invention provides a biological phenolic epoxy resin composition and application thereof. The biological phenolic epoxy resin composition comprises the following components in parts by mass: 60-140 parts of biological phenolic epoxy resin, 5-90 parts of a curing agent, 0.01-3 parts of a curing accelerator and 10-100 parts of a toughening agent. According to the biological phenolic epoxy resin composition, the biological phenolic epoxy resin is used as main body resin, and through component design and mutual compounding, a cured product can form a rich and compact multi-dimensional cross-linked network structure, so that the biological phenolic epoxy resin composition, and the prepreg, the laminated board and the metal foil-clad laminated board containing the biological phenolic epoxy resin composition have excellent low-carbon footprint characteristics; meanwhile, the heat resistance, the cohesiveness, the moisture resistance, the heat and humidity resistance, the processability and the like are obviously improved, and the comprehensive performance is excellent.

The invention belongs to the technical field of precision machining of superhard materials, and particularly relates to a fine polishing process of a large-scale polycrystalline diamond block synthesized by a direct conversion method, a polycrystalline diamond product and application of the polycrystalline diamond product. The fine polishing process comprises the steps of material drawing through laser cutting, cooperative cooling rough polishing, diamond micro powder fine polishing and low-temperature heat treatment destressing. According to the process, mechanical vibration and local overheating can be restrained through three-in-one treatment of a ceramic bond polishing disc, forced water cooling and polishing solution collaborative supply and equipment dynamic balance, and stress introduction is reduced from the source; accumulated microscopic internal stress can be released through low-temperature heat treatment, and the structural integrity and long-term service reliability of the product are guaranteed. The considerable material removal rate can be guaranteed on the premise of low stress through graded polishing, and the total machining time is shortened; the yield is high, and the material loss and the comprehensive cost are low. The polycrystalline diamond product is high in dimensional precision, surface quality and internal reliability, and can be stably applied to the frontier fields of high-performance numerical control tools, ultra-precise optical elements and the like.

This disclosure relates to the field of biotechnology, specifically to a 5'UTR sequence for promoting mRNA translation and its uses. This disclosure provides a 5'UTR sequence comprising the nucleotide sequence shown in any one of SEQ ID NO: 1-6 or its complementary sequence, or a nucleotide sequence having at least 80% homology with the nucleotide sequence shown in any one of SEQ ID NO: 1-6 or its complementary sequence. This disclosure provides a novel RNA molecule design scheme that, through rational optimization of the nucleic acid sequence of functional regions, achieves the advantage of optimized translation, making this RNA molecule promising for broad applications in gene therapy, vaccine development, and other fields.

The invention discloses a low-dielectric-loss reinforced fiber composite material for a 5G antenna base material and a preparation method of the low-dielectric-loss reinforced fiber composite material, and relates to the technical field of high-frequency communication materials and electronic information composite materials. The preparation method comprises the following steps: carrying out surface silanization treatment on hollow silicon dioxide microspheres by using 2H, 2H-perfluorooctyltriethoxysilane to obtain the surface-treated hollow silicon dioxide microspheres. According to the preparation method disclosed by the invention, a composite structure with a synergistic effect of a quartz fiber reinforcement and a low-polarity resin composition is constructed, and the hollow silicon dioxide microspheres are subjected to surface silanization modification; the low-dielectric-loss antenna base material prepared by the method can be stably dispersed in a resin system and forms good interface bonding, collaborative optimization of dielectric properties and structural properties of the composite material is realized, the mechanical properties and forming stability of the material are ensured, the dielectric constant and dielectric loss are effectively reduced, and the application requirements of the high-frequency communication field on the low-dielectric-loss antenna base material are met.

This application discloses a vehicle system upgrade method, apparatus, device, and storage medium, relating to the field of vehicle control technology. The method includes: determining a basic upgrade duration based on upgrade package specifications; adjusting the basic upgrade duration according to upgrade influencing factors to generate an upgrade reminder duration; controlling the vehicle to enter a scheduled upgrade state and timing the process; and controlling the vehicle to perform a vehicle system upgrade when the timer reaches the upgrade reminder duration. Because the basic upgrade duration can be determined based on the upgrade package specifications and dynamically adjusted according to upgrade influencing factors to construct the upgrade reminder duration, the countdown time for the scheduled upgrade can be dynamically set according to different upgrade packages and the vehicle's environment, better meeting actual application needs. Simultaneously, during the countdown, the vehicle enters a scheduled upgrade state, forcing the vehicle to apply high voltage while preventing it from entering hibernation, thus avoiding upgrade failure caused by hibernation.