83results about How to "Good repair effect" patented technology

The invention relates to a new method for combined remediation of compound contaminated soil, which belongs to the technical field of regeneration of the contaminated soil. The method comprises the following steps: adding humic acid and activated sludge into the compound contaminated soil, adding water, then regulating the pH value to 6.0-8.5, controlling the culture temperature at 15 DEG C-40 DEG C, and performing remediation for 1-6 days so as to get the soil subjected to remediation. The method has the advantages that the used raw materials are easy to get, the production process is simpleand easy to operate, the remediation method is simple, the remediation effect on the compound contaminated soil is better, the residual rate of heavy metals in the soil and the residual rate of polycyclic aromatic hydrocarbons are lower after the remediation, and the degradation effect is obvious.

The invention discloses application and a remediation method of calcium polysulfide in chromium-contaminated soil or underground water remediation. Calcium polysulfide is adopted for chromium contamination remediation, and two remediation methods are particularly related. The method for remediating chromium-contaminated soil by calcium polysulfide comprises the following steps: investigating the chromium contamination degree of soil, preparing a calcium polysulfide water agent, determining the adding ratio of the calcium polysulfide water agent, adding the calcium polysulfide water agent, supplying water, carrying out remediation reaction, maintaining soil and adjusting the nature of the remediated soil. The method for remediating chromium-contaminated underground water by calcium polysulfide comprises the following steps: arranging injection points, determining the amount of a remediation agent, preparing the remediation agent, positioning the injection points, injecting the calcium polysulfide remediation agent, adjusting the positions and amounts of the injection points and the like. According to the invention, the operation process is simple; the agents are stable in source; the reaction speed is high; the remediation effect is good; the chromium-contaminated soil or underground water can be stable for a long time after remediation; the remediation method can be applied to large-scale implementation, is economic and reasonable, and is a relatively ideal chromium-contaminated soil or underground water remediation technique.

The invention provides a liquid crystal display panel repair method and repair system. The method includes the steps: firstly, providing a liquid crystal display panel with a broken circuit; secondly, forming graphene on the liquid crystal display panel by laser chemical vapor deposition to communicate the broken circuit. According to the liquid crystal display panel repair method and repair system, the graphene is formed at the broken circuit by laser chemical vapor deposition to repair the broken circuit, manufacture procedures are simple, repair effects are fine, common gases such as methane serve as carbon source gases, environmental protection is facilitated, the number of layers of the graphene can be controlled by controlling laser irradiation, the conductivity of the graphene is further controlled, and the repair effects are improved. Besides, the spot radius of laser can be adjusted, the resolution ratio of a graphene growth line can be controlled, a laser light path is adjusted, spots can be used for heating a broken circuit area according to a set path, and the needed graphene line or shape is deposited.

The invention relates to a self-repairing water-based epoxy compound elastic coating material and a preparation method of the material and belongs to the technical field of paint. The method comprisesthe steps of dispersing macroporous adsorbent resin adsorbing a saturated HMDI (hexamethylene diisocyanate) prepolymer, a latent curing agent and a catalyst mixture and a high water absorber in a paraffin molten mass to prepare macroporous adsorbent resin-water absorber microcapsules, dispersing the microcapsules in water to form microcapsule dispersing liquid, and mixing and curing the microcapsule dispersing liquid, water-based epoxy resin, a water-based epoxy curing agent and the like for film formation to form the water-based epoxy compound elastic coating material with a self-repairing function. When a coating layer is scratched, or a base material deforms and generates a crack, the high water absorber in the microcapsules can adsorb moisture in the air to expand; and the HMDI prepolymer and the latent curing agent can quickly react with groups, such as alkylol amine, generated by the moisture or the water to generate a polyurethane-urea cured substance for synergic repair of thecrack. The material can be used for the highway fields of tunnels, bridges, concrete fender walls, metal guardrails and the like and has effects of corrosion resistance, water resistance, attractiveness, visual fatigue reduction and the like.

The invention mainly employs monocomponent polyurea as a cementing material, a small amount of thixotropic agents are added properly, and mixed with special-type sand materials to prepare an abrasion-resisting mortar with high elasticity and high cost performance. Through improvement of the construction technology, the construction problems of slow curing speed, difficult levelling of surfaces and the like are overcome. A novel concrete thin-layer abrasion-resisting repairing material is prepared. The novel mortar is a flexible repairing material with good performances, has excellent elasticity besides, and has high intensity, high abrasion-resistance and aging resistance. The repairing material solves the encountered problems during concrete thin layer repairing well, and has unique advantage in concrete thin layer defect repairing aspects. The repairing material has better performances compared to traditional polymer cement mortar and epoxy mortar, can replace the traditional polymer cement mortar and epoxy mortar, and has good repairing effects especially in the repairing of shallow-layer destroy of hydraulic concrete abrasion-resisting positions. The repairing material has good low temperature performance and can maintain certain flexibility at the temperature of minus 45 DEG C.

The invention discloses an immobilized method and application of petroleum degrading bacteria. The method includes the following steps: mixing and pretreating carrier materials of wheat straw, corn straw, wheat bran, leaves and walnut shell activated carbon; inoculating an activated petroleum degrading bacterium seed liquid, and carrying out adsorption culture; and filtering out an upper bacterial suspension under aseptic conditions, rinsing the carrier materials with sterile water, transferring the carrier materials adsorbed with bacteria to a new petroleum degrading bacterium seed liquid, repeating several times to reach saturation of the bacteria adsorbed by the carrier materials, so as to obtain the immobilized particles. The invention uses the natural organic materials and natural inorganic materials as carriers to overcome the defects of the individual usage of inorganic carrier or organic carrier; adsorption method is employed to realize immobilization of petroleum degrading bacteria; and the prepared immobilized petroleum degrading bacteria can be applied to in-situ remediation of petroleum contaminated soil to reach good effect, and is an environmentally friendly product which can be popularized and applied.

The invention provides an absorbable artificial cerebral dura mater and a preparation method thereof. According to the artificial cerebral dura mater, the surface, making contact with brain tissues, of the artificial cerebral dura mater is a porous structure surface formed by a hydrophilic biodegradable polymer material, and the surface, making contact with skulls, of the artificial cerebral duramater is a compact structure surface formed by a hydrophobic biodegradable polymer material. The preparation method comprises the following steps that firstly, the hydrophobic biodegradable polymer material is prepared into a compact structural membrane; a hydrophilic biodegradable polymer material solution is poured on one surface of the compact structural membrane, and freeze drying is carried out so as to obtain the porous structure surface. According to the absorbable artificial cerebral dura mater and the preparation method thereof, the size or morphology of pores of the porous structuresurface obtained through freeze drying can be regulated and controlled according to the freeze drying conditions, so that brain tissue cells can be conveniently fit and spread and can conveniently grow, and the repair effect can be improved; and the artificial cerebral dura mater is prepared by carrying out solution pouring and freeze drying on the compact membrane, the combination of the different structure surfaces is tighter, and the leakage of cerebrospinal fluid can be conveniently prevented.

The invention discloses an engine crankshaft fatigue crack laser repairing and strengthening device and method. The device comprises a computer control processing system, a coaxial atomizing powder feeding unit, a laser cladding unit and an auxiliary working system. Repairing and strengthening effects of laser cladding to fatigue cracks are fully utilized, namely, the fatigue cracks of an engine crankshaft are subjected to laser cladding, high-quality surface cladding coatings are obtained at filleted corners of the crankshaft, high-amplitude residual compressive stress is generated, fatigue resistance of the crankshaft is improved effectively, mechanical property of the crankshaft is improved comprehensively, fatigue lives of the crankshaft are greatly prolonged, and the purposes of prolonging the life and improving the reliability of the crankshaft are achieved.

The invention discloses a facial mask liquid containing liposome-wrapped ceramide III, wherein the facial mask liquid formula containing liposome-wrapped ceramide III comprises the following components: A phase: glycerol, propylene glycol, sodium polyacrylate grafted starch, hydrolytic sclerotinia sclerotiorum, allantoin, sodium hyaluronate, EDTA disodium, PPG; 10 methyl glucose ether, erythritol;Phase B: Hydroxybenzyl Methyl Ester, p-Hydroxyacetophenone, 1, 3-Propylene glycol; Phase C: nicotinamide, propylene glycol / octanoyl hydroxamic acid / 1, 2-Hexanediol / glycerol octanoate, hydroxyethyl urea, carrageenan extract, royal jelly oil control factor, blackcurrant and blackberry compound extract, cyanobacteria extract, ceramide III; Phase D: C12-13 alkanol polyether-9, essence, dipropylene glycol. As that facial mask liquid contain a plurality of active ingredients, the facial mask liquid has reasonable compatibility among the ingredient, can not only repair skin barrier, but also supplement nutrition for skin to remove excess free radicals, whiten and brighten skin, and keep skin in a healthy state at all times.

The invention provides a composition for conditioning cadmium-polluted selenium-rich soil, and a use method and an application thereof. The composition comprises biomass carbon, bentonite and a calcium magnesium phosphate fertilizer. The biomass carbon produced from agricultural wastes ramulus mori, bentonite and the calcium magnesium phosphate fertilizer are used to effectively control the activity of cadmium in the soil, reduce the content of cadmium in rice and produce natural selenium-rich rice according with national standards. The composition has the advantages of low preparation cost and environmental protection, and can be practically applied to the remediation and the regulation of the cadmium-polluted selenium-rich soil.

The invention discloses a road crack repairing material, and belongs to the field of a joint filling material. The material is composed of a grouting material for filling a lower part of a crack and a caulking compound for filling an upper part of the crack; the grouting material comprises the following components in percentages by mass: 10-30% of fly ash, 45-80% of cement kiln dust and the balance being water; the caulking compound comprises the following components in percentages by mass: 30-65% of nanometer zinc oxide-based asphalt and 30-60% of slag powder, and the nanometer zinc oxide-based asphalt contains 0.2-2% of nanometer zinc oxide in percentages by mass. The road crack repairing material is used for repairing the road crack, the grouting material is used for filling the lower part of the pavement crack, and the caulking compound is used for filling the upper part of the crack; the two materials are used in combination with durability and low cost.

The invention discloses a vacuum brazing method for patch repairing of a stator blade of an aero-engine turbine. The method comprises the following steps that a thermal barrier coating is removed; anablated portion is labeled; the ablated portion is processed; a patch repairing material is cut; width polishing is carried out; spot welding is carried out; heat preservation is carried out; vacuum brazing is carried out; diffusion treatment is carried out; polishing and patching are carried out; and postwelding checking is carried out. According to the vacuum brazing method, the problem that theablation fault of the turbine stator blade cannot be repaired through a traditional brazing or fusion welding manner is solved; the repairing effect is good, the scrappage rate of the turbine statorblade is reduced, and cost is reduced; the vacuum brazing method is simple in operation process, quality control is stable, brazing filler metal generated after brazing is carried out is small, and the process is simple, fast and reliable. For turbine stator blades repaired in batches, a plurality of turbine stator blades are drawn randomly for long test evaluation, and it is further ensured thatthe turbine stator blades repaired in this batch meet the requirement of actual use.

The invention relates to a method and a system for restoring a damaged image. The method includes following steps: inputting a damaged image; removing background noises by employing a Gaussian filtering method; performing binarization processing of the enhanced image by employing a threshold segmentation method; obtaining the contour of the damaged image by employing an edge detection method, searching an area whose size and shape are the same with the size and the shape of a damaged area in a non-damaged area, and regarding the area as a to-be-matched area; duplicating the pixel value of the to-be-matched area to the damaged area; and performing enhancement processing of the restored image by respectively employing top-hat transform and bottom-hat transform, performing smooth processing of the enhanced image by employing a bilateral filtering method, and accomplishing the restoration. According to the method and the system, the restoration effect is good.

The invention discloses a concrete crack electrolytic deposition repair system capable of realizing self-supply of electrolyte. The concrete crack electrolyte deposition repair system comprises a direct-current power supply, an anode made from metallic magnesium or zinc and a cathode, wherein reinforcing steel bars in a to-be-repaired concrete member serve as the cathode; the anode and the cathode are connected with the direct-current power supply through an anode lead and a cathode lead respectively; the current density calculated based on the steel area is 0.5-5 A / m2, and the power-on time lasts for 6-10 weeks; zinc ions or magnesium ions are ionized from the anode in the power-on process; hydroxyl is ionized from positions around the reinforcing steel bars serving as the cathode in the power-on process; the zinc ions or magnesium ions are combined with hydroxyl in cracks around, so that deposit sediment is generated to repair concrete cracks. The system is adopted for repair of the concrete cracks, no electrolyte needs to be added, the repair effect is good, and the system is applicable to repair of cracks of concrete members in different environments and especially applicable to repair of cracks of underwater concrete members in a fresh water environment or an onshore environment.

The invention discloses a microbial method for remedying aromatic hydrocarbon-heavy metal ion complex pollution. The method comprises the steps: respectively inoculating Pseudomonas putida, saccharomycete and Bacillus mucilaginosus to corresponding culture media for culture, so as to prepare concentrated microbial solutions with the thallus concentration of 10<6> to 10<7> / mL; uniformly mixing the Pseudomonas putida concentrated microbial solution, the saccharomycete concentrated microbial solution and the Bacillus mucilaginosus concentrated microbial solution proportionally, so as to prepare a compounded concentrated microbial solution; and adding the compounded concentrated microbial solution into a solution containing aromatic hydrocarbons and heavy metal ions, uniformly stirring the compounded concentrated microbial solution and the solution, carrying out standing for 4-5 hours, and washing, filtrating and drying precipitates after the precipitates are produced, thereby obtaining carbonate Zn(CO3)(OH)6.H2O. Proven by results, the compounded concentrated microbial solution can be used for effectively degrading the aromatic hydrocarbons and mineralizing the heavy metal ions so as to form stable mineral carbonates. Compared with physical methods and chemical methods, the method disclosed by the invention has the advantages of low cost, remarkable effect, environment-friendliness, no secondary pollution and good ecological compatibility.

The invention relates to a self-repairing waterborne epoxy / asphalt compound waterproof coating and a preparation method thereof, belonging to the technical field of a coating. According to the technical scheme, the method comprises the following steps: utilizing polyether polyol and MDI-50 to compound a polyurethane prepolymer with -NCO content of 20%; dipping 30-50 micron of water absorbent in the polyurethane prepolymer till being saturated; dispersing in paraffin molten mass; atomizing, quickly freezing and generating paraffin for wrapping a high water absorbent microcapsule containing the polyurethane prepolymer; dispersing the microcapsule in water, thereby forming a microcapsule dispersing solution containing the high water absorbent microcapsule; mixing the water-borne epoxy resin emulsion, waterborne epoxy curing agent, emulsified asphalt, butadiene-acrylonitrile latex, microcapsule dispersing solution, padding and additives and curing into a film, thereby forming the waterborne epoxy / asphalt compound waterproof coating with a self-repairing function. When the waterproof material is scratched and cracked, the high water absorbent in the microcapsule can quickly absorb water for swelling and the polyurethane prepolymer can participate into chain extension reaction for generating solid while meeting water, so that the purposes of quickly repairing the cracks and preventing water leakage can be achieved.

The invention discloses a lead-zinc contaminated soil plant planting remediation method which comprises the following steps: selecting arbor, shrub, vine and herbal plants, and planting the arbor, shrub, vine and herbal plants in lead-zinc ore region contaminated soil, cultivating to complete remediation of lead-zinc contaminated soil; in an initial planting stage of arbor, shrub, vine and herbalplants, after survival is stable, applying a soil conditioner, a stabilizer, an inorganic fertilizer and farmyard manure to planting land according to soil fertility of planting land; and after planting survival, evaluating the migration and conversion efficiency of heavy metals in soil irregularly, and evaluating the enrichment efficiency of arbor, shrub, vine and herbal plants. According to thelead-zinc contaminated soil plant planting remediation method, the soil remediation depth can reach tens of meters, an arbor, shrub, vine and herbal plant integrated three-dimensional remediation structure is formed in the space structure, planted wood can be used, biomass is large, secondary treatment is not needed, and no secondary pollution is generated.

The invention discloses a novel historical building gypsum product repair method. The novel historical building gypsum product repair method includes the steps of 1), for digital file reservation, measuring the shape and size of each part and adopting a three-dimensional laser scanning technique to perform model reconstruction of a product; 2), for material analysis, performing mechanism analysis and material analysis on the gypsum product; 3), for drawing formation, adopting a three-dimensional reconstruction technique to perform restoration on the ornamental gypsum product and reconstructing a restoration model in combination with measurement data and the product model, printing out the ornamental gypsum model product three-dimensionally or performing model processing reproduction according to the restoration model; 4), for product repair, adopting composite repair gypsum emulsion to have the historical building gypsum product repaired. With the method, the unique gypsum emulsion can be well combined with original gypsum material, good repair effect is achieved, and style modality, material technology and texture of the original gypsum product are ensured to be close to original historical information.

The invention provides a curing and stabilizing agent capable of reducing leaching toxicity of heavy metals in soil and a preparation method of the curing and stabilizing agent. The curing and stabilizing agent is mainly prepared from cement, sodium sulfide slag, ferrous chloride, phosphogypsum and an additive, can reduce the leaching toxicity of the heavy metals such as Pb and Cd in the soil, canpersistently and effectively cure and stabilize heavy metal pollutants in the soil, and has a good repair effect on the soil; a content of the available heavy metals in the repaired soil is significantly lower than that specified in the national standard; the heavy metals have low possibility of leaching; and the possibility of a secondary pollution phenomenon is low.

The invention relates to the field of buildings and particularly provides a method for repairing a crack in an ancient building wall. The ancient building wall is built by rock and has the crack extending vertically. The method includes: mixing sand, clay, lime putty, cement and water according to weight ratio of 3:1:0.5:1:1.5, and stirring formed mixture for preset time to prepare mixed mortar; sealing the crack with the mixed mortar; mounting a plurality of grouting nozzles for pouring the mixed mortar into the crack in the sealing mixed mortar from the bottommost part of the crack and along the crack, wherein the vertical distance between every two adjacent grouting nozzles is first distance; sequentially pouring the mixed mortar into the crack through the grouting nozzles.

The invention discloses a water steam heat soil repairing system. The water steam heat soil repairing system comprises a feeding conveying unit, a soil repairing unit, a soil conveying unit, a photocatalysis unit, a soil drying unit and a discharging conveying unit. The feeding end of the soil repairing unit is located below the feeding conveying unit, and the discharging end of the soil repairingunit is located above the feeding end of the soil conveying unit. The soil conveying unit penetrates a cavity of the photocatalysis unit. The discharging end of the soil conveying unit is located above a feeding port of the soil drying unit. The discharging end of the soil drying unit is located above the feeding end of the discharging conveying unit. The provided water steam heat soil repairingsystem can achieve multiple repairing functions, meanwhile, more intelligence is achieved, operation is simple, the repairing effect is good, and energy is saved.

The invention provides a silicone oil-free hair care composition for repairing and smoothening hair and application of the silicone oil-free hair care composition. The composition contains the following components by weight percent: 0.1%-0.5% of hydrolyzed wheat protein and 0.1%-0.5% of hydrolyzed corn starch. According to the composition, the hydrolyzed wheat protein is reasonably compounded withhydrolyzed corn starch, the matching proportion is adjusted, the hydrolyzed wheat protein and the hydrolyzed corn starch can generate a synergistic interaction effect and are added into a silicone oil-free shampoo, so that the smooth level of the hair can be increased, and the adsorption amount of guar gum hydroxypropyl trimethylammonium chloride on the hair can be obviously increased; and a process is simple, the large-scale industrial production can be realized, a good economic benefit can be created for enterprises, and the composition has wide application prospects.

A hot repairing method for the inflatable tyre includes such steps as abrading the damaged position, sticking the hot-repairing rubber pads onto its inner and outer surfaces, attaching a heating belt to the inner surface, inflating internal tube, installing it in steel basin, putting a module on the outer surface of damaged position, putting a sulfurizing machine on the module, and inflating internal tube to 2.5-6 Kg / sq.cm while electrically heating it to 140-150 deg.C for 25-120 min.

The invention discloses a skin repair solution containing stem cell extract and a preparation method thereof. The skin repair solution is prepared from the following raw materials in parts by weight:1.6 to 3.6 parts of stem cell extract, 0.6 to 1.3 parts of sodium hyaluronate, 15.3 to 19.8 parts of mannitol, 3.2 to 4.4 parts of niacinamide, 2.1 to 3.7 parts of betaine, 4.8 to 8.5 parts of oligopeptide, 2.2 to 3.4 parts of polydimethylsiloxane, 0.4 to 0.9 part of azone, and 5 to 7.5 parts of spica prunellae. The skin repair solution has the advantages that the sources of the raw materials arewide; by adopting the active polypeptide and the stem cell extract, and compounding with other components, the multiple components can reach the synergistic function under the mutual action; the prepared finished product has obvious repair effect on the skin, any irritation feel and adverse reaction are avoided in the use process, the experience feel is good in use, and the application prospect isbroad.

The invention relates to the field of soil repairing, and provides a method for repairing heavy metal contaminated soil aiming at the problem that an existing repairing method of heavy metal contaminated soil easily causes secondary influence on the environment. According to the technical scheme, the method comprises the following steps of S1, crushing the soil; S2, adding a heavy metal eluent andammonium hydroxide for elution; S3, adjusting the pH and fishing suspended matter; S4, filtering out the metal eluent, sun-drying the soil, and then completing soil repairing, wherein the heavy metaleluent is prepared from, by mass, 50-55 parts of chitosan, 60-65 parts of water, 15-22 parts of sodium polyacrylate and 10-15 parts of aloe fiber powder. All the components of the heavy metal eluentare poisonless and harmless, the source is natural, and thus the environment is unlikely to get influenced; meanwhile, heavy metal precipitant is fished for centralized treatment, so that the situation does not easily occur that heavy metal eluted out of the soil is re-discharged to the environment and influences the environment accordingly.

The invention discloses a drainage device for repairing a fuel gas pipeline. The drainage device comprises at least one supporting part, a water pump, a first platform, at least two supporting parts and at least two platforms, wherein the supporting part is arranged on the ground, the water pump is connected to the supporting part, a water inlet pipeline and a water outlet pipeline are arranged onthe water pump, and the water inlet pipeline extends into a digging groove by the water pump, the first platform is connected to the water inlet pipeline and is used for supporting an operator, the at least two supporting pieces penetrate through the first platform and are located in the first platform, and can be inserted into the digging groove and used for forming support and can be used for adjusting the position of the first platform; the at least one second platform is connected to the water inlet pipeline and facilitates the climbing of the operator. The technical problem that the operation is inconvenient after the rush repairing and excavating are conducted is overcome, and the technical effects of being convenient to operate, safe and reliable and good in repair effect are achieved, and the practicability is high.

The invention discloses a lead metal soil pollution nanometer repairing agent and a preparation method thereof. The lead metal soil pollution nanometer repairing agent comprises, by weight, 50 to 55 parts of bentonite, 20 to 30 parts of mica, 5 to 9 parts of nano-hydroxyapatite, 5 to 8 parts of chitosan fiber, 2 to 4 parts of calcium hydrogen phosphate dihydrate, 2 to 4 parts of carbaldrate, 2 to 3 parts of magnesium carbonate, 1 to 3 parts of trimethylsilyl phosphate, 1 to 2 parts of sodium aluminoferrite, 1 to 2 parts of glutathione, 0.5 to 1 part of calcium aluminate, and 0.5 to 0.8 part of manganese sulfate. The invention also provides the preparation method of the lead metal soil pollution nanometer repairing agent.

The invention discloses a soil remediation treatment agent which is prepared from the following main raw materials in parts by weight: 45-50 parts of a composite adsorbing material, 5-10 parts of a microbial agent, 6-9 parts of saponin, 3-5 parts of polyaluminum chloride and 3-5 parts of polyaluminum sulfate. The soil remediation treatment agent is prepared by the following method: mixing the composite adsorbing material, the microbial agent, saponin, polyaluminum chloride and polyaluminum sulfate evenly according to the weight part proportion, to obtain the soil remediation treatment agent, wherein the composite adsorbing material is prepared by mixing modified bentonite, nano-hydroxyapatite, humic acid, diatomite and lime according to the mass ratio of 3:1:0.3:0.8:0.5 evenly. The soil remediation agent can perform double remediation on soil by absorption action of the composite adsorbing material and degradation action of the microbial agent, is supplemented by remediation of saponins, polyaluminum chloride and polyaluminum sulfate, has remarkable remediation effect on the soil, and has no toxicity or secondary pollution.

The invention discloses a BCN two-dimensional nano sheet enhanced integrated biological scaffold as well as a preparation method and application thereof. The integrated biological scaffold comprises aBCN two-dimensional nano sheet and a biological ceramic scaffold, wherein the BCN two-dimensional nano sheet is uniformly coated on the surface of the biological ceramic scaffold to form the integrated biological scaffold. The preparation method comprises the following steps: preparing a B / N co-doped BCN two-dimensional nano sheet; preparing an akermanite substrate bracket by adopting a three-dimensional printing technology; soaking the akermanite substrate bracket in a BCN two-dimensional nano sheet solution, drying the akermanite substrate bracket after soaking, and adjusting the soaking times and the concentration of the BCN two-dimensional nano sheet solution to enable the coating thickness of BCN to be 1-5 [mu]m to obtain the BCN two-dimensional nano sheet enhanced integrated biological scaffold. The BCN two-dimensional nano sheet is used as a novel two-dimensional material and is applied to the fields of tumor treatment and bone defect repair for the first time. The provided integrated biological scaffold can play a dual role in eliminating residual tumors and repairing bone defects after tumor operation.

The invention belongs to the field of porcelain and particularly relates to a porcelain repairing method. The porcelain repairing method comprises the following steps: 1) absorbing a cleaning solventby a cotton strip; 2) mixing and stirring gypsum and fresh egg white into paste to serve as a seam adhesive for future use; 3) coating a joint face of a broken face with the seam adhesive in the step2); 4) mixing porcelain powder, gymsum powder, feldspar powder and an epoxy resin system to serve as an adhesive for a notch for future use; 5) scraping the adhesive for the notch by an ox horn scraping knife for the notch to repair the notch; 6) grinding and smoothing the residual hard part after the adhesive for the notch in the step 5) is solidified; and 7) mixing nitrolacquer and ethyl acetateuniformly according to the ratio of the nitrolacquer to the ethyl acetate of 10:(30-45) to serve as repairing glaze, coating the notch repaired in the step 6) with the repairing glaze. Compared withthe method for repairing by directly using glue, the porcelain repairing method has the following steps: the cost is low; the repair effect is good; the strength can meet the use requirements of the common porcelain; and the steps are simple and reasonable.