40results about How to "Capable of self-healing" patented technology

The invention discloses a preparation method for a self-repairing coating material and application thereof. The coating material comprises a material of a repairing layer located at an inner layer and the material of a surface layer located at an outer layer; urea-formaldehyde resin coated epoxy resin microcapsule (EP-UF microcapsule) is added into the repairing layer so as to provide an epoxy resin (EP) repairing agent; and the repairing agent repairs damages through the action with a curing agent in the surface layer. The self-repairing coating has a self-repairing function, the advantages of large adhesion force to a matrix, high surface hardness, good flame retardancy, excellent surface decorativeness and corrosion resistance, etc., and the characteristics of simple and convenient molding process, low technical requirements and good decorativeness and self-repairability, and is applicable to surface coating of a variety of resin-based composite plate materials.

The invention discloses a client program repair method. The method comprises the following steps: when responding to a client program start operation, sending a first request for acquiring an original / latest-version first file information list of the client program to a server; comparing the first file information list returned from the server with a local second file information list of the client program so as to determine a local file required to be repaired in the client program; sending a second request for acquiring an original / latest file corresponding to the local file required to be repaired to the server; and repairing the file required to be repaired by use of the original / latest file returned from the server. The embodiment of the invention further discloses a client program repair device and system, and the server.

The invention provides burn department biogel capable of accelerating wound healing and a preparation method of the burn department biogel. The preparation method comprises the following steps: firstly, carrying out oxidation reaction on bacterial nanocellulose by adopting sodium periodate to prepare modified bacterial nanocellulose; then, dispersing the modified bacterial nano-cellulose into water to prepare modified bacterial nano-cellulose dispersion liquid, and mixing the modified bacterial nano-cellulose dispersion liquid with a sodium alginate solution to obtain mixed liquid; then, mixing and stirring the mixed solution and a collagen swelling solution, and then putting the mixture into a boric acid and calcium chloride mixed crosslinking aqueous solution to carry out crosslinking reaction, so as to prepare composite biogel; and finally, soaking the composite biogel in a polyhexamethylene hydrochloric acid solution to prepare the biogel for the burn department for accelerating wound healing. The burn department biogel for accelerating wound healing prepared by the invention has excellent stability and thermal reversible self-repairing performance, and also has excellent biocompatibility, water absorption swelling property and broad-spectrum antibacterial performance.

The invention discloses an end-to-end speech recognition system based on deep learning. The system includes: an acoustic model, which sequentially comprises a VGG-Net layer, a first full connection layer, a bidirectional RNN layer, a second full connection layer, a Softmax layer and a CTC layer, and is used for extracting two-dimensional FBank features of an audio, performing network processing toobtain probability distribution of each time step, and outputting a candidate pinyin sequence according to an entropy result of the probability distribution of time steps; a language model, which isconnected to the acoustic model and comprises a Transformer encoder and an n-gram model; wherein the Transformer encoder is used for outputting a Chinese character sequence with a same length according to the input candidate pinyin sequence, and the n-gram model is used for processing the output Chinese character sequence and selecting a target Chinese character text for output. According to the method, a final recognition result most conforming to a current context and human expression habits can be obtained.

The invention relates to a wire insulation sheath material with a self-repairing function and a preparation method of the wire insulation sheath material, and the preparation method specifically comprises the following steps: adding polydimethylsiloxane into a solvent, conducting stirring and heating, adding polyisocyanate, conducting heating for reaction to obtain a polyurethane prepolymer, adding polyvinyl chloride and chlorinated rubber, and continuously conducting reacting for 3-5 hours; and sequentially adding a disulfide bond-containing chain extender, conducting heating to 100-120 DEG C, conducting reacting for 5-8 hours, finally adding activated calcium carbonate, talcum powder, aluminum oxide and a flame retardant, and conducting stirring for 3-5 hours at the temperature of 100-120 DEG C to obtain the wire insulation sheath material. The wire insulation sheath material prepared by the invention not only has excellent properties of polyurethane and organic silicon materials, but also can complete a high-efficiency self-repairing process under mild conditions to protect internal wires from being damaged.

The invention discloses an air conditioner. The air conditioner comprises an outdoor unit, an indoor unit and a control device. The control device is used for generating a corresponding fault code according to a first fault detection signal obtained when the air conditioner has a fault, inquiring in a prestored database to obtain the fault type corresponding to the fault code, calculating fault correction parameters according to the fault type and fault shutdown data of the first fault detection signal and controlling the air conditioner to restart and operate according to normal operation parameters of the air conditioner and the fault correction parameters. The invention further discloses a control method of the air conditioner. The control method is applied to the air conditioner. Through the air conditioner and the control method thereof disclosed by the invention, the air conditioner can be automatically adjusted and corrected in case of a fault, and the automation degree and usability of the air conditioner are improved.

The invention relates to an ecological concrete embankment and a construction method thereof.According to the ecological concrete embankment, due to the fact that ecological green belts are arranged on the top of the embankment, ecological tanks are formed in the upstream face, flood drainage reverse valve tubes are pre-buried in an embankment body which communicates a river channel ecosystem with a river bank land ecosystem, the embankment, a river bank and a river channel form an ecological circulating system, and the purpose of ecological restoration is achieved; by means of automatic circulation, the later maintenance cost is reduced, and formation and growth of original ecological biotic communities can be promoted; by means of combination of plants and concrete materials, a certain structural strength is achieved, and instability and erosion of the slope surface and the slope toe can be relieved; meanwhile, symbiosis and reproduction of multiple types of organisms can be achieved, the self-repairing capacity and purifying function are achieved, and conditions are created for growth of aquatic plants, breeding of aquatic animals and habitat reproduction activities of amphibians.

The invention discloses a long-service-life drill bit with self-repairing capacity, and belongs to the technical field of drilling equipment for petroleum and natural gas, mine engineering, building foundation engineering construction, geology, hydrology and the like. The long-service-life drill bit with the self-repairing capacity comprises a drill bit body and at least one blade; a plurality of first groups of cutting teeth are formed in the blade; slots are formed in the tooth distribution surface of the blade and / or the gauge protection surface of the blade and are used for fixing the first groups of the cutting teeth; at least one empty groove and at least one second group of cutting teeth are formed in at least one blade; slots are formed in the empty groove and are used for fixing the second group of the cutting teeth; at least part cutting edges of the second group of the cutting teeth are exposed from the inner surface of the empty groove. According to the long-service-life drill bit with the self-repairing capacity, after the cutting teeth in a certain area of the drill bit is worn completely, new cutting teeth can be exposed naturally to realize self-repairing of the drill bit, so that the self-repaired drill bit can drill continuously and effectively.

The invention belongs to the technical field of coating preparation, and in particular relates to an anti-corrosion, hydrophobic and antibacterial coating in seawater and a preparation method thereof. The preparation method comprises: using α,ω-dihydroxypolysiloxane and methyl hydrogen-containing silicone oil as the The raw material is doped with 2-hydroxyphosphonoacetic acid to prepare silicone rubber foam, and then mesoporous silica is prepared on the foam and modified with γ-mercaptopropyltrimethoxysilane, and then mercaptobenzothiazole is loaded to obtain a composite material, Then use the composite material, vinyl resin, and 2-phenylimidazole as raw materials to treat and coat the surface of the substrate, and then spray a layer of CdS-ZnO on the surface to obtain the coating of the present invention. The anti-corrosion hydrophobic and anti-bacterial coating of the present invention has good hydrophobic and anti-bacterial performance and corrosion resistance, and has an excellent anti-corrosion effect in seawater.

The application relates to a rubber-sealed valve, which belongs to the technical field of rubber seals, and includes a metal valve, an organic silica gel adhesive and a sealing ring, the sealing ring is adhered to the metal valve through the organic silica gel adhesive, and the sealing ring at least includes The following raw materials by mass: 30-40 parts of filler; 2-3 parts of zinc oxide; 6-12 parts of functional additive; 0.5-1 part of vulcanization aid; 1-2 parts of peroxide curing agent; Gum 45‑55 parts. The application has the effect of improving the bonding fastness between the adhesive for metal and the rubber sealing ring, thereby simplifying the secondary gluing to one gluing to improve production efficiency.

A non-invasive high-voltage power transmission cable online automatic maintenance and defect repair system. The system comprises: a high-voltage power transmission cable (101) having a polypropylene-iron oxide nanocomposite material as an insulation material; and multiple non-invasive high-frequency current excitation devices (102, 103, . . . , 10N). The multiple non-invasive high-frequency current excitation devices are arranged at an equal distance therebetween, and each non-invasive high-frequency current excitation device surrounds the high-voltage power transmission cable, and is configured to non-invasively inject a high-frequency current into the high-voltage power transmission cable, and to automatically realize magnetic heating and heat insulation of the polypropylene-iron oxide nanocomposite material, so as to autonomously repair an initial electrical tree defect in the insulation material. The system can increase the service life of a power transmission cable, reduce a failure rate of a power transmission system and improve the reliability of the power transmission system.

The invention relates to an ecological concrete embankment and a construction method thereof.According to the ecological concrete embankment, due to the fact that ecological green belts are arranged on the top of the embankment, ecological tanks are formed in the upstream face, flood drainage reverse valve tubes are pre-buried in an embankment body which communicates a river channel ecosystem with a river bank land ecosystem, the embankment, a river bank and a river channel form an ecological circulating system, and the purpose of ecological restoration is achieved; by means of automatic circulation, the later maintenance cost is reduced, and formation and growth of original ecological biotic communities can be promoted; by means of combination of plants and concrete materials, a certain structural strength is achieved, and instability and erosion of the slope surface and the slope toe can be relieved; meanwhile, symbiosis and reproduction of multiple types of organisms can be achieved, the self-repairing capacity and purifying function are achieved, and conditions are created for growth of aquatic plants, breeding of aquatic animals and habitat reproduction activities of amphibians.

The invention discloses a self-cleaning self-repairing coating material for a fabric and a method for preparing the self-cleaning self-repairing coating material for the fabric. The coating material is a mixed solution of silane modified poxy resin prepolymer and a curing agent, wherein the curing agent contains at least two maleimide groups, and the mass ratio of the silane modified poxy resin prepolymer to the curing agent is 2:1-4:1. The coating material not only has the self-cleaning capacity, but also has the self-repairing capacity after heating, and chemical damage repairing and physical wear repairing can be achieved, and the coating material can be recycled. The method for preparing a self-cleaning self-repairing coating for the fabric comprises the following steps that 1, the silane modified poxy resin prepolymer is prepared; 2, the silane modified poxy resin prepolymer and the curing agent are mixed in proportion, and dissolved in the organic solvent, and a coating solutionis obtained; 3, the coating solution is applied to the fabric surface, after automatic leveling, the fabric is put into an oven for solidification, and the self-cleaning self-repairing coating is obtained on the fabric surface.

The invention relates to a self-repairing carbon fiber reinforced polyphenylene sulfide composition. The self-repairing carbon fiber reinforced polyphenylene sulfide composition comprises, by weight,65 to 90 parts of PPS resin, 10 to 30 parts of carbon fiber, 1 to 3 parts of allyl mercaptan, 2 to 5 parts of nanometer silver, 0.1 to 1 part of an anti-oxidant, and 0.1 to 1 part of a lubricant. A preparation method comprises following steps: PPS resin, the anti-oxidant, and the lubricant are mixed, and are introduced into an extrusion machine through a main feed inlet; carbon fiber is introducedinto the extrusion machine through a first side feed inlet of an extrusion machine cylinder body; allyl mercaptan and nanometer silver is introduced into the extrusion machine through a second side feed inlet of the extrusion machine cylinder body; and extrusion machine blending granulation is carried out so as to obtain the self-repairing carbon fiber reinforced polyphenylene sulfide composition. Compared with the prior art, the advantages are that: the repairing performance is excellent, the service life is long, the mechanical performance is excellent, the self-repairing carbon fiber reinforced polyphenylene sulfide composition can be used for preparing high strength high toughness materials, and the application prospect is promising.

The invention discloses a preparation method and application of a self-repairing coating material. The coating material includes an inner repairing layer material and an outer layer material, and urea-formaldehyde resin is added to the repairing layer to coat epoxy resin microcapsules (EP ‑UF microcapsules) to provide an epoxy (EP) repair agent that repairs damage by interacting with the curing agent in the surface layer. In addition to the self-healing function, the self-healing coating also has the advantages of large substrate adhesion, high surface hardness, good flame retardancy, excellent surface decoration and corrosion resistance, and has the advantages of simple molding process, low technical requirements, decorative It is suitable for the surface coating of various resin-based composite panels due to its good properties of safety and self-healing.

The invention discloses a ferro-silicon nitride / alumina-chrome slag refractory matter for a cement kiln transition zone and a preparation method of the refractory matter, and belongs to the field of refractory matters. The refractory matter consists of the following raw materials: alumina-chrome slag, alumina micro powder and ferro-silicon nitride, and thermosetting phenolic resin is taken as a binding agent. During producing, the preparation method comprises the following steps: weighing various raw materials, uniformly mixing, compressing and moulding, drying as well as nitriding and sintering at 1200-1450 DEG C. The alumina-chrome slag, which is waste generated from the production of metallic chromium, basically has no industrial utilization value at present, the alumina-chrome slag contains 82-85wt% of aluminum oxide and 11-13wt% of chromium oxide, and mainly represented as a corundum-chromium oxide solid solution, the alumina-chrome slag is good in abrasion performance. By combining the ferro-silicon nitride and high-cost-performance alumina-chrome slag to generate beta-sialon from a reaction, the product disclosed by the invention is simple in process and low in cost, and excellent performance indexes are as follows: apparent porosity is 13-17%, volume density is 2.94-3.30g / cm<3>, cold crushing strength is 67-150MPa, refractoriness under load is higher than 1550 DEG C and thermal shock resistance is more than 12 times; and the refractory matter disclosed by the invention is excellent in abrasion performance and erosion resistance and is applicable to the cement kiln transition zone, and meanwhile, the recycling of the alumina-chrome slag is achieved.