4061results about How to "Improve repair effect" patented technology

The invention provides an efficient active bio-organic fertilizer produced by using livestock manure and a preparation method thereof. The preparation method comprises the following steps: pre-treating the livestock manure, straw and peat; mixing the livestock manure, straw and peat at a weight ratio of (3-5):(1-2):(1-2); adding a composite ageing bactericide based on the condition that the weight ratio of the mixture to the high-concentrated organic material ageing bactericide is (5000-10000):(1-2), evenly mixing, and then carrying out composting fermentation for 7-10 days, wherein during the composting fermentation, the material needs to be stirred 1-2 times each day; and mixing the material decayed by fermentation with a functional composite bactericide which is generated by single fermentation at a weight ratio of (5000-1000):(1-2), granulating and drying at low temperature so as to obtain the high-efficiency and active bio-organic fertilizer. The process is relatively simple, is easy to operate, and can be used for lowering the product cost is low, saving energy and turning wastes into wealth, thereby being beneficial to promotion of benign ecological circulation and environment conservation; and by utilizing the fertilizer, the quality of the product is good, thereby obviously improving the yield and quality of agricultural products.

The invention provides an electronic image stabilization method based on characteristic coupling. The method comprises the following steps: (1) motion estimation: estimating motion parameters of a present frame and a previous frame to obtain a global motion vector and a local motion vector; (2) motion filtering: employing a Kalman filter to carry out filtering on the global motion vector, and obtaining a willful scan vector, wherein difference between the global motion vector and the willful scan vector is a vibration parameter needs to compensate; (3) motion compensation: utilizing a compensation parameter obtained by filtering carrying out frame by frame compensation; (4) video restoration: by utilizing space-time redundant information of video, carrying out restoration on the local motion vector with a motion restoration method and guiding pixel point filling. In order to solve motion carrier vibration influence on video shooting effect, the invention provides the electronic image stabilization method based on characteristic coupling. The method has the advantages of high accuracy, good anti-noise performance, strong tracking performance, good boundary consistency and the like.

The invention relates to a method for preparing a small intestinal submucosa (SIS) soft tissue repair patch, and the soft tissue repair patch prepared by the method. The invention also relates to application of the soft tissue repair path to tissue repair.

The invention relates to a bone repair porous bracket, which comprises a substrate with a bionic porous structure and growth factor controlled-release microspheres, wherein the growth factor controlled-release microspheres are adsorbed into gaps of the bionic porous structure on the substrate or are dispersed into the substrate by being uniformly mixed with substrate raw material in a substrate forming process. The invention further provides a rapid forming method for the bone repair porous bracket. The method comprises the following steps of: preparing growth factor controlled-release microspheres; forming a substrate; and adsorbing. The invention further provides another rapid forming method for the bone repairing porous bracket. The method comprises a step for preparing growth factor controlled-release microspheres and a step for forming a substrate. The growth factor controlled-release microspheres are introduced into the bracket, bone growth can be induced under the action of the controlled release of growth factors, and inward bone tissue growth is facilitated through a porous structure formed by degradation of the controlled-release microspheres, so that bone tissue regeneration repair is achieved, and bone healing is facilitated effectively. Three-dimensional printing is performed by adding controlled-release microspheres and adopting a rapid forming technology, and a forming process is simple and rapid.

The invention relates to an injectable crosslinked hyaluronic acid gel and a preparation method thereof. The injectable crosslinked hyaluronic acid gel is prepared by blending hyaluronic acid gel granules and chlorinated sodium phosphate physiological buffer solution; the hyaluronic acid gel granules are prepared by comprising the steps of crosslinking treatment, emulsion crosslinking granulation, purification and drying and swelling, filling and sterilization technologies. The hyaluronic acid gel granules are uniform in granule size, the residual of the crosslinking agent is less than 0.2ppm, the injection pushing is proper, and the in-vivo degradation time can last more than 8-12 months. The implant has an excellent esthetical restoration effect, is applicable to being injected to and subcutaneous dermis deep layer to subcutaneous superficial layer, restoration of moderate to severe wrinkles or folds, and can satisfy the restoration demand of wrinkles or folds caused due to skin aging.

The invention relates to an in-situ remediation method of heavy metal-organic combined pollution soil. According to the method, a set of electrokinetic remediation device is added with a power switching system, an electrode heating technology is combined with the electrokinetic remediation and chemical oxidization technology, namely, the direct current power is utilized firstly, sodium persulfate used as the oxidizing agent is migrated to soil through electric process, meanwhile, migration and removal of heavy metal ion in the soil are realized. Then the alternating current power is switched, and soil is heated to a certain temperature through the electrode heating method so as to activate the sodium persulfate migrated to soil, and thereby realizing the in-situ degradation of organic pollutant in the soil. The method applies electrode to the electrode heating system and the electrokinetic remediation device at the same time, simplifies the remediation device and saves the system energy consumption while solves the difficulty that oxidant cannot migrate and activate in the soil and improves the remediation efficiency; the method is a combined soil remediation technology with prospect of application and promotion.

The invention relates to a hair conditioner capable of nourishing hair and repairing damage. The hair conditioner comprises three categories, namely rinsing type, washing-free type and foam type, wherein the rinsing type hair conditioner comprises the following components in percentage by mass: 0.5-5% of a medicinal plant extract, 0.1-2% of keratin, 4-20% of a hair care conditioner, 0.5-6% of an emulsification thickener and 70-90% of deionized water; the washing-free type hair conditioner comprises the following components in percentage by mass: 0.5-5% of a medicinal plant extract, 0.1-2% of keratin, 1-15% of a hair care conditioner, 0.5-2% of an emulsification thickener, 0.05-5% of a humectant and 75-95% of deionized water; the foam type hair conditioner comprises the following components in percentage by mass: 0.5-5% of a medicinal plant extract, 0.1-2% of keratin, 0.5-3% of a foaming agent, 0.5-5% of a hair care conditioner, 0.2-3% of a solubilizer and 83-94% of deionized water. The hair conditioner can more rapidly and efficiently repair damaged hair and nourish hair.

The invention discloses a biostimulation method for remediation of oil-polluted soil. In the method, on the premise of not adding an oil pollutant biodegrading bacterial agent, a soil conditioner is added to improve the soil environment, reduce soil stickiness, increase the soil permeability, adjust the water-retaining capacity of the soil, adjust inorganic and organic nutrients necessary for local microbe growth, maintain the pH value of the soil close to neutrality, promote oil pollutant degrading microbes in the soil to grow and propagate, and improve the oil pollutant degrading efficiency of the local microbes; by planting plants, the microenvironment of the soil near root systems of the plants is improved, the plants secrete organics with low molecular weight such as amino acid to the root systems so as to stimulate the massive propagation of the local microbes and indirectly promote oil pollutant degradation by the microbes of the root systems; and the biostimulation method has the advantages of accelerating the remediation of the oil-polluted soil and restoring the original state of the soil.

The invention discloses a high-temperature self-repair-type epoxide resin material and a process for preparation, the process comprises adding microcapsule and accelerating agent which are evenly mixed into the basal body of epoxide resin, adding curing agent into the basal body of epoxide resin to evenly mix, finally, curing molding and getting high-temperature self-repair-type epoxide resin material. When cracks are produced on the high-temperature self-repair-type epoxide resin material of the invention because of forcing in the process of processing and employing, the cracks are extended to the built-in microcapsule, and the microcapsule wall is led to crack, liquid-state epoxide resin in the microcapsule is immediately released to fill into the cracks, the accelerating agent which is built in the basal body leads the liquid-state epoxide resin to be solidified under high temperature, thereby rebinding the cracks together, and the damage of the material is repaired, thereby keeping the mechanical properties of the epoxy composite material and prolonging the life span.

The invention provides a passivation improver for a heavy metal pollution farmland and a using method of the passivation improver. The raw materials comprise coal ash, nano iron powder, zeolite, medical stone, calcium magnesium phosphate, hydroxypropyl modified SiO2 / chitosan nanoparticles and porous spherical cellulose. According to the composite passivation improver, the passivation effect on heavy metals cadmium, lead, arsenic and chromium in soil can be improved, copper and zinc in soil are well passivated, and the soil remediation effect is improved.

The invention provides alloy powder used for laser remanufacturing of FV520B martensitic stainless steel parts and a preparation method. The chemical components of the alloy powder include, by weight percentage, 0.01-0.3% of C, 12-17% of Cr, 3-7% of Ni, 0.4-2% of Mo, 0.1-2% of Mn, 0.15-0.55% of Nb, 0-3% of Cu, 0.05-2% of Si, 0-1.6% of B and the balance Fe. The preparation method of the alloy powder is a vacuum melting-high pressure gas atomization method. The alloy powder can have the density and the thermal expansion coefficient which are similar to those of FV520B materials when precipitation hardening elements, deoxygenation slag forming elements and elements used for lowering the martensite phase transformation point are added and the weight percent content of all the elements are regulated; the residual stress level is lowered through the martensite phase transformation accompanying effect; and therefore the problems of cracks, deformation and the like are greatly relieved, and the forming property, the anti-cracking property and the process stability are achieved and improved when the FV520B parts are subjected to laser remanufacturing through the alloy powder.

A polarizing plate comprising: a first protective film; a polarizer; and a second protective film, in this order, wherein at least one of the first protective film and the second protective film has an adhesive layer, and wherein the at least one of the first protective film and the second protective film has a modulus of elasticity E satisfying numerical formula (1), and the adhesive layer undergoes creep deformation of less than 70 μm when a piece of which having a size of 10 mm in width and 10 mm in length is stuck on an alkali-free glass plate and a load of 200 g is applied thereto in an atmosphere of 50° C. for 1 hour: numerical formula (1): 500 MPa≦E≦3000 MPa.

The invention discloses a high-temperature self-repair-type fiber-reinforcement epoxy composite material and a process for preparation, the process comprises adding microcapsule and accelerating agent which are evenly mixed into the basal body of epoxide resin, adding curing agent into the basal body of epoxide resin to evenly mix, infiltrating fiber-reinforcement reinforced materials with the mixture which is got, plying, finally, curing molding and getting high-temperature self-repair-type fiber-reinforcement epoxy composite material. When cracks are produced on the high-temperature self-repair-type fiber-reinforcement epoxy composite material of the invention because of forcing in the process of processing and employing, the cracks are extended to the built-in microcapsule, and the microcapsule wall is led to crack, liquid-state epoxide resin in the microcapsule is immediately released to fill into the cracks, the accelerating agent which is built in the basal body leads the liquid-state epoxide resin to be solidified under high temperature, thereby rebinding the cracks together, and the damage of the material is repaired, thereby keeping the mechanical properties of the epoxy composite material and prolonging the life span.

The invention provides a tissue engineering nerve graft based on a biological printing technology and a preparation method thereof. The tissue engineering nerve graft comprises an outer tube and a tube inside scaffolds, wherein trophic factors and / or cells can cover the inner surface and the outer surface. A high-fidelity printing operation is performed according to the actual nerve shape demand by utilizing the biological printing technology, a polymer solution is printed into the specified nerve graft in a three-dimensional way by using an ink-jet printer by adjusting the sizes and the quantity of the jet nozzles of the ink-jet printer, the distances from the jet nozzles to a bottom layer and the pulse frequency of a supercharger and writing a control program of specific printing, and the specified nerve graft is applied to treatment of peripheral nerve defect and spinal cord injury.

The invention relates to a method for associating plants and microorganisms to accumulate heavy metal cadmium in soil. The method comprises the following steps: firstly planting cadmium accumulated plants in cadmium polluted soil; then inoculating cadmium-resistant bacteria in rhizosphere soil of the cadmium accumulated plants; conventionally culturing, watering and moisturizing; enriching cadmium in cadmium accumulated soil by utilizing the absorption effect of the cadmium accumulated plants to the cadmium and reinforcing effect of the cadmium-resistant bacteria; repeating the process so that the purpose of repairing the cadmium polluted soil can be achieved. The soil repairing method is good in effect, low in cost, easy to manage and operate, and free of secondary pollution, and has a wide application prospect.

The invention discloses asphalt pavement conditioning curing agent and a preparation process. The formulation comprises the following components with percentage by weight, 10-15% refined asphalt, 23-50% organic solution, 3-23% surface modifier, 2-10% functional auxiliary agent and 5-25% regenerative agent. The preparation process comprises conducting reasonable proportioning for refined asphalt, organic solution and regenerative agent, surface modifier and functional auxiliary agent, putting into a stirred tank in turn, starting a stirrer to stir continuously, stirring for 0.5-4h in condensation reflux under the temperature of 60-150 DEG C, and then cooling down to ambient temperature, finally obtaining the product of asphalt pavement conditioning curing agent when the mixture is completely cooled down. The curing agent has simple making art, low device requirement, low usage cost and simple construction technology, which can significant increase penetration degree, softening point and ductility of aging asphalt, beautifies the appearance of asphalt pavement, improves the quality of pavement, increases the cling ability of the pavement, and prolongs the service life of the pavement.

The invention discloses a submerged plant planting device, comprising a buoyancy layer, connection ropes, a submerged plant planting layer, a fixed rope an and anchor, wherein the buoyancy layer is formed by a peripheral frame and 12-20 float bowls fixed on the peripheral frame; the submerged plant planting layer is formed by 10-30 planting bricks connected through connecting pegs; each planting brick is formed by a hollow frame and planting matrix filled into the hollow frame, and can adapt to a plurality of submerged plant propagule such as sprouts, clints, seeds and the like; the buoyancy layer is connected with the submerged plant planting layer through four connection ropes; a connecting peg is arranged at the center part of the submerged plant planting layer and connected with the fixed rope; the other end of the fixed rope is connected with the anchor and arranged at the water bottom; the submerged plant planting layer floats up and down along with water-level fluctuation, but the distance to the water level is kept constant all the time. The planting brick structure and the submerged plant root are good to fit, the device is stable in form for a long period of time, the effect on the submerged plant caused by drastic change of water level and stormy waves can be effectively avoided, and the overall device is simple to assemble, and free of labor management in the actual operation process.

The invention discloses a bioremediation method for petroleum-polluted soil. The method comprises the steps that 1, biomass containing biomass degrading bacteria is added in the petroleum-polluted soil with the petroleum content higher than 18 wt%, and ploughing is performed to mix the soil with the biomass, the water content of the petroleum-polluted soil is simultaneously kept at 10-30 wt%, and first degrading bacteria are added in the soil in 10-15 days after ploughing is performed to reduce the petroleum content of the soil to 8-18 wt%; 2, second degrading bacteria are added in the soil to reduce the petroleum content of the soil to 5-8 wt%; 3, third degrading bacteria are added in the soil to reduce the petroleum content of the soil to 1-5 wt%; 4, forth degrading bacteria are added in the soil to reduce the petroleum content of the soil below 1 wt%. The method can be applied to both in-situ remediation and ex-situ remediation, the remediation effect is good, the remediation time is short, the method is simple, and the cost is low.

The invention discloses a 3D additive repair device for laser-arc hybrid welding and a repair method. The 3D additive repair device comprises a controller, a four-axis linkage platform, a laser vision sensor, an infrared vision sensor, a fixture, a laser welding torch, an arc welding torch, a filling welding wire, a wire reel and a gas guide pipe. The method includes the steps that a defective workpiece is mounted on a repair workbench; the laser vision sensor is driven to scan the three-dimensional profile of a defect; the three-dimensional profile of the defect is rebuilt through the controller; welding parameters are confirmed; the controller drives the near-infrared vision sensor to scan a molten pool, the time-frequency parameter of an image of the molten pool is obtained, a compensation control code is generated according to the time-frequency parameter of the image of the molten pool, and the set welding parameters are corrected in real time; and after repair is completed, the laser vision sensor is driven again to scan the three-dimensional profile of the defect, whether the repaired workpiece meets the standard or not is confirmed, and if not, the defect is repaired again till the repaired defect meets the standard. The 3D additive repair device for laser-arc hybrid welding and the repair method have the beneficial effects that the structure is simple, operation is convenient, and reliability and adaptability are high.

The invention relates to an image restoring method, which comprises the following steps: firstly carrying out direction and experience model decomposition on a target image, allowing to draw damaged edge structure information in a given area to be restored according to the existing information, utilizing a frequency characteristic value obtained by the direction and experience model decomposition to calculate similarity so as to firstly finish edge structure restoration in the whole damaged area, then combining degree of confidence to calculate the priority of a residual filling area according to gradient characteristics of pixel points on the boundary of the area to be restored, and utilizing a frequency characteristic value obtained by the decomposition again to calculate similarity so as to finish the restoration of corresponding areas. The method not only can restore the structure and texture information in a larger-scale defective area, but also can restore the images with certain sheltering relation. The robustness in the restoring process is high, thus effectively preventing continuous expansion of error information.

The invention provides a broad spectrum heavy metal activity deactivator preparation method. The present invention relates to a soil conditioning agent preparation method, which comprises the following steps: (A) taking humic acid-rich peat, digest compost or a forest soil humus layer, and carrying out screening to provide a spare use; (B) adding the humic acid-rich material to HCl or HNO3 to soak, and stirring 2-3 times; (C) filtering the soaked material with a bamboo drying pad, washing 2-3 times with clear water, and carrying out air drying to a moisture content of less than 5%; (D) sequentially adding ZnSO4.7H2O, sodium silicate and sodium selenite to the material obtained from the step (C), carrying out aging on the mixed material for 2-3 days and uniformly mixing; and (E) adding limestone powder to the material obtained from the step (D), and completely and uniformly mixing to prepare the broad spectrum heavy metal deactivator. With the combination inhibitor prepared by the preparation method, activities of soil heavy metals can be significantly inactivated, the heavy metals can be inhibited from entering the food chain, and risks on human health by the heavy metals can be reduced.

The invention discloses an in-situ remediation system and method for synergistically removing organic pollutants of soil and underground water. The method comprises the following steps: uniformly injecting chemical oxidants in chemical oxidant mixing storage tank into the soil and the underground water; generating high-temperature steam through a steam generator, and injecting the high-temperature steam into the soil and the underground water; starting a vacuum pump to extract gas from a vacuum extraction well, forming negative pressure in the well, and promoting desorption of volatile and semi-volatile organic compounds from the soil; and treating and discharging the volatile and semi-volatile organic compounds through a gas-liquid separation tank and an activated carbon adsorption tank. The high-temperature steam heat can activate the chemical oxidants so that degradation and removal of the organic pollutants in the underground water can be further accelerated, the underground water organic pollutants which are not completely degraded are further adsorbed, intercepted and degraded through an iron carbon adsorption permeation wall, so that the purpose of synergistically remediating the soil and the underground water is achieved, and secondary pollution of the soil and the underground water is avoided.

The invention discloses a natural plant extract with a sunscreen function and a preparation method and application of the natural plant extract. The natural plant extract is prepared from the following materials (by mass parts): 50-100 parts of Selaginella and 20-60 parts of magnolias. In addition, 30-45 parts of snow lotus and 10-20 parts of jasmine can be added to the above materials as adjuvants, the natural plant extract is obtained by extracting the above raw materials. According to the invention, the effective components of raw materials are extracted by the application of supercriticalfluid technology, and the effective component content in the extract is high. The effective components have high UV absorbing capacity and are capable of scavenging free radicals produced by UV, preventing skin ageing, reducing the generation of melanin and repairing sunburnt skin. The natural plant extract has the advantages of simple in preparation method, stable in quality and high in safety, and can be widely applied in preparation of sunscreen cosmetics.

The polylactic acid film contains polylactic acid 85-98 wt% and medical plasticizer 2-15 wt%, the polylactic acid may be poly L-lactic acid, poly DL-lactic acid, lactic acid-glycolic acid copolymer or the copolymer of poly L-lactic acid and poly DL-lactic acid with molecular weight of 20-1500 KDa, and the medical plasticizer is tributyl citrate, tributyl acetylcitrate, polyethylene glycol or lactic acid oligomer. The polylactic acid composition of the present invention has excellent flexibility, may be used in introducing the growth of hard and soft tissues in repairing cleft palate or as regenerating film, and introducing the regeneration of bone tissue.

The invention discloses a composite modifying agent for restoring farmland polluted soil and a preparation method of the composite modifying agent and relates to the field of modern agriculture. The problem that in an existing polluted soil restoring method, dual restoration functions of soil polluted heavy metal and organic matter cannot be achieved is solved. The composite modifying agent comprises, by weight, 3-9 parts of a composite microbial agent, 40-60 parts of peat soil, 30-50 parts of straw powder, 3-5 parts of cake powder, 0.1-0.3 part of quick lime, 0.2-0.4 part of dipotassium phosphate, 0.5-1.5 parts of ammonium sulfate, 20-40 parts of diatomite, 20-40 parts of humic acid, 20-40 parts of zeolite, 5-15 parts of active carbon, 1-3 parts of sepiolite and 1-3 parts of chitosan. The composite modifying agent can effectively remove heavy metal in the soil and degrade organic pollutants in the soil, has dual restoration functions, cannot cause secondary pollution and can increase the crop yield; and cost is low, the restoration time is short, preparation is easy and convenient, and the restoration effect is good.

The invention provides a system for repairing polycyclic aromatic hydrocarbon contaminated soil. The system is provided with soil pretreatment equipment, chemical oxidation equipment, thermal desorption equipment, soil accumulation equipment and flue gas dust removal equipment in sequence. Conveying belts are arranged between the soil pretreatment equipment, the chemical oxidation equipment, the thermal desorption equipment and the soil accumulation equipment. The thermal desorption equipment communicates with the flue gas dust removal equipment through a pipeline. The soil accumulation equipment communicates with the soil pretreatment equipment through a pipeline. The invention further provides a method for repairing the polycyclic aromatic hydrocarbon contaminated soil. According to the system and method for repairing the polycyclic aromatic hydrocarbon contaminated soil, chemical oxidation and low-temperature thermal desorption are combined, and therefore the removal rate of polycyclic aromatic hydrocarbon of the soil can reach 99%, the repairing effect of the contaminated soil can be effectively improved, and the repairing period can be effectively shortened.

The invention discloses a hydraulic support plunger outer surface laser cladding repairing method. The hydraulic support plunger outer surface laser cladding repairing method comprises the following steps that firstly, turning is carried out on the outer surface of a hydraulic support plunger to be repaired to remove a fatigue layer and an electroplated layer on the outer surface of the hydraulicsupport plunger, and the outer surface of the hydraulic support plunger is washed; secondly, iron-base alloy powder for laser cladding is put into laser cladding equipment, the laser cladding equipment is used for carrying out laser cladding on the outer surface of the hydraulic support plunger, and a laser cladding layer is formed; thirdly, rough turning is carried out on the hydraulic support plunger which is subjected to laser cladding; fourthly, abrasive machining and polishing treatment are carried out on the hydraulic support plunger which is subjected to rough turning, and the roughnessRa of the outer surface of the polished hydraulic support plunger is smaller than or equal to 0.4; and fifthly, checking and flaw detection are carried out on the outer surface of the polished hydraulic support plunger, and laser cladding repairing of the outer surface of the hydraulic support plunger is completed after it is ensured that no defect exists. The laser cladding layer formed throughthe repairing method is high in hardness, large in thickness and high in corrosion resistance and longer in service life.

The invention discloses a super-resolution image restoration method based on a generative adversarial network, and the method specifically comprises the steps: 1, collecting and arranging real image data, processing the collected images into images with the same size, and enabling the processed images with the same size to form a training data set; 2, constructing a generative adversarial networkmodel, wherein the generative adversarial network model comprises a generator and a discriminator; 3, marking each image in the training data set with a mask with the same size to obtain a to-be-restored image, importing the to-be-restored image into the generative adversarial network model, and training the generative adversarial network model in a weak supervised learning mode to obtain a trained image; and 4, inputting the training image into the U-Net generation network to repair the trained image to be repaired, and outputting a repaired high-resolution image. The problems that in the prior art, the resolution ratio is low after large-area image missing is repaired, and the visual effect is not coherent are solved.

The invention discloses a nerve conduit and a preparation method thereof. The nerve conduit consists of an inner layer, an outer layer and at least one minitype cavity for storing a bioactive factor solution, wherein the inner layer is of a hydrophilic cell scaffold layer, and the outer layer is of a hydrophobic nerve conduit scaffold layer. The nerve conduit can further comprise a transition layer between the inner layer and the outer layer. The preparation method of the nerve conduit comprises the steps of preparing the inner layer by adopting an electrostatic spinning method, then adding the material for preparing the cavity, then preparing the outer layer, and taking out or dissolving the material for preparing the cavity, thus obtaining the nerve conduit. The nerve conduit has the minitype cavity, so that bioactive factors can be loaded by a manner of injection, soaking and the like as required before operation, thus not only leading the production quality to be easily controlled, but also being capable of greatly improving the survival rate of the bioactive factors, more efficiently promoting the regeneration of nerves, and enhancing the restoration effect of nerves.

The invention provides compound polypeptide nanometer vesicles with a skin repair function, and belongs to the technical field of cosmetics. The compound polypeptide nanometer vesicles are prepared from, by weight, 0.01-1 part of regenerated repairing active peptide, 0.01-1 part of antioxidant active peptide, 0.1-5 parts of natural moisturizing active factors, 0.01-1 part of microcirculation-promoting active ingredients, 5-20 parts of lipoid wall materials, 0.1-5 parts of cholesterol, 10-45 parts of polyhydric alcohols and 30-98 parts of water. According to the compound polypeptide nanometer vesicles, repairing components acting on different target spots are provided aiming at different repair mechanisms of the skin barrier; meanwhile, the nanometer vesicles are adopted for covering various hydrophilic and lipophilic active ingredients, a unique closed lipid bilayer structure of the vesicles is utilized, the stability of the repairing compound is significantly improved, the skin penetration amount is increased, slow release of the active ingredients is effectively controlled, and the repairing effect is improved.