38results about How to "Suitable for attachment" patented technology

The invention discloses a core-shell type nano fiber bracket and a method for constructing a tissue engineering material by the core-shell type nano fiber bracket and melanocytes. A core-shell type nano fiber is prepared through electrostatic spinning; a shell layer is a biocompatible material and a core layer is in-situ cross-linked polymer hydrogel. The tissue engineering material is constructed by using the nano fiber bracket and the melanocytes or the nano fiber bracket, mechanocytes and keratinocytes, and can be used for treating depigmentation (such as leucoderma). The core-shell type nano fiber bracket disclosed by the invention has good biocompatibility and biodegradability, and can be used for loading medicines and realizing controllable releasing of the medicines; a tissue engineering bracket constructed by the core-shell type nano fiber bracket can be used for effectively supporting the growth, multiplication and transplanting of the melanocytes and co-culture cells.

The invention discloses a Aquamicrobium defluvii and application thereof in removing sulfur-containing odorants. The Aquamicrobium defluvii SU1 disclosed by the invention is an isolate obtained by treating a reactor containing H2S and other odorants in Water Pollution Control Laboratory in Research Center for Eco-Environmental Sciences of Chinese Academy of Sciences; and the strain is collected in China General Microbiological Culture Collection Center, and the collection number is CGMCC No. 7399. The strain can be prepared into a microbial active filler for purifying sulfur-containing odorant gases, thereby solving the problem of odor pollution generated in the process of sewage or sludge treatment, refuse treatment, composting and the like. The degradation efficiency for sulfur-containing odorants, such as hydrogen sulfide, methyl mercaptan, dimethyl sulfide and the like, can reach higher than 83%.

The invention discloses biological filler and a biological filler machine comprising the same. The biological filler is prepared from the following components in parts by weight: 4-8 parts of polyvinyl alcohol, 6-12 parts of polypropylene, 1-3 parts of activated carbon, 2-3 parts of a lubricant, 1-2 parts of calcium sulfate, 0.05-0.5 part of magnesium sulfate and 1-2 parts of calcium chloride. Thebiological filler machine comprises a chassis; a groove is formed in a central portion of the chassis; the biological filler is arranged in the groove; the biological filler comprises a hollow frame-shaped sphere; a plurality of drainage grooves are formed at the periphery of the groove on the chassis; guide grooves communicating with the groove are arranged in the bottom of the drainage grooves;guide tubes extending into the inside of the biological filler are arranged in the guide grooves; and an upper cover matched with the chassis is arranged above the chassis. The biological filler andthe biological filler machine comprising the same not only have the characteristics of improving the activity of internal microorganisms, prolonging the life of the microorganisms, and improving the water purifying ability of the microorganisms, but also have the characteristics of accelerating the growth of the microorganisms and the film hanging speed, increasing the number of the film hanging,and enhancing the adhesion between a microbial film and a filler.

The invention discloses a microbial active filler containing paenibacillus sp., and an application thereof in removing sulfur-dioxide-containing gas. Specifically, the strain is paenibacillus sp. IB1 with a preservation number of CGMCC No. 10775. The microbial active filler prepared by loading a bacterial suspension liquid of the strain on a porous filling material can be used for treating sulfur-dioxide-containing gas, wherein a sulfur dioxide degradation efficiency reaches 90-100%. The microbial active filler has the characteristics of short start-up period and high loading capacity. The paenibacillus sp. IB1 has high acid resistance, and can be used for continuously and effectively purifying sulfur dioxide in a strongly acidic (pH2) environment. The paenibacillus sp. IB1 can be adapted to a high-temperature condition. Under a temperature of 50-65 DEG C, paenibacillus sp. IB1 can grow well and can effectively remove sulfur dioxide in waste gas with relatively high temperatures.

The invention discloses a node assembly type fishing bank and aims at providing the node assembly type fishing bank which has the advantages that the manufacture and transporting cost is low, and the fishing bank cannot be easily corroded, is suitable for marine organism adherence and is suitable for the assembly of various kinds of plastic bottles with screw threads or without screw threads at bottle openings. The node assembly type fishing bank comprises a prefabricated connecting element and a plurality of first waste plastic bottles, wherein the prefabricated connecting element comprises a prefabricated plate and a plurality of connecting rods which are uniformly distributed at the periphery of the prefabricated plate and outwards extend, the bottom end of at least one bottle body in the first waste plastic bottles is sealed, the bottle bottoms of the other first waste plastic bottles are open, each first waste plastic bottle is sheathed and fixedly arranged on the end part of each connecting rod through the bottle opening of each first waste plastic bottle, a plurality of pieces of screen cloth are arranged in the first waste plastic bottle with the sealed bottom end of the bottle body, and in addition, a plurality of through holes are arranged in the bottle body of the first plastic bottle.

The invention relates to a micro-ecological matrix capable of intensively treating breeding wastewater based on artificial wetland, a preparation method and applications thereof. The micro-ecologicalmatrix is formed by mixing an ecological carrier ball, biochar and modified zeolite, wherein the composite microorganism in an EM compounding liquid is coated with the calcium alginate in an encapsulating agent and cross-linking curing is performed to obtain the micro-ecological carrier ball, an EM stock solution, molasses, breeding wastewater and deionized water are mixed and anaerobic fermentation is performed to obtain the EM compounding liquid, and hydrochloric acid-activated attapulgite, nanometer SiO2, sodium alginate and distilled water are uniformly mixed and stirred to obtain the encapsulating agent of the composite microorganism. According to the present invention, the purification system constructed by using the micro-ecological matrix of the present invention has good purification effect compared to the traditional artificial wetland.

The invention relates to a preparation method for in-situ growth of three-dimensional graphene on the surface of spherical copper powder. Put polymethyl methacrylate and steel balls into a ball mill tank with a mass ratio of 1:10-20, and fill it with argon as a protective atmosphere after vacuuming; after ball milling, polymethyl methacrylate composite powder is obtained; The composite powder and nano-copper powder are mixed according to (0.1‑0.3): 10 and put into a tube furnace for in-situ chemical vapor phase reduction; the temperature is 800 °C, the reducing atmosphere is hydrogen, the protective atmosphere is argon, and the flow rates of hydrogen and argon The ratio is 1:2 to 2:1; the reduction time is 5 to 15 minutes; the carbon atoms generated by the decomposition of polymethyl methacrylate generate graphene on the copper surface, and the in-situ grown three-dimensional graphene-coated copper composite material is obtained. The invention utilizes a ball milling method and a powder metallurgy method to grow graphene in situ, and realizes the strengthening of the copper matrix material, and has good prospects for the application of high-strength copper materials in electronic devices.

The invention belongs to the field of environmental governance, and particularly relates to a preparation method of microbial active filler comprising pseudomonas monteilii. The pseudomonas monteiliiis particularly Pseudomonas monteilii LW-1, the accession number is CGMCC No. 13748, the microbial active filler is prepared by adsorbing pseudomonas monteilii bacterial suspension on the filler and filling a net-surface hollow ball with the filler, the filler is used for treating organic-sulfur-containing waste gas generated by the pesticide waste water storage pond, gas flow is 100-5000 m<3> / h,the residence time is 1.0-5.0 min, the temperature is 35-55 DEG C, the total concentrations of malathion, parathion and methyl-parathion are 20-200 mg / m<3>, or the concentration of trichloracetic aldehyde is 5-100 mg / m<3>, the degradation efficiency of the malathion, the parathion and the methyl-parathion can reach 90% or above, and the degradation efficiency of the trichloracetic aldehyde can reach 75% or above.

The invention relates to the field of building decoration, in particular to a house roof indoor decoration method. The house roof indoor decoration method comprises the following steps that S1, wall surface treatment is carried out, specifically, dust, oil pollution and ash slag on the wall surface are cleaned, local concave and convex parts of the wall surface are filled and compacted by using gypsum, and flattening and polishing with sandpaper are carried out after drying; S2, the wall surface is coated with clean water first to moisturize the wall surface, and then an interface agent is evenly brushed on the wall surface; S3, after the interface agent on the wall surface is dried, glue is evenly sprayed and brushed on the wall surface; S4, putty is prepared; S5, the putty is batch scraped, transverse batch scraping is carried out during the first batch scraping putty, a scraping board is tightly connected to a scraping board, rafts are not left at joints, and a putty layer is polished with the sandpaper after drying the putty for the first time; the putty is batch scraped vertically when the putty is batch scraped the second time, and the putty layer is polished with the sandpaper after drying the second time; S6, primer paint is evenly brushed; S7, the first time of finishing coat is uniformed, and after an interval of 3-5 hours, the finishing coat is brushed for the secondtime. The house roof indoor decoration method has the advantage of good anti-cracking effect of the putty layer.

The invention discloses a compound microbial active filling material for removing sulphur-containing repugnant substances, as well as preparation and application of the compound microbial active filling material. Ochrobactrum anthropi SL1 and aquamicrobium defluvii SU1 related in the invention are isolated bacteria obtained in a reactor for processing repugnant substances, such as H2S, in a water pollution control laboratory of the ecological environment research centre of the Chinese academy of sciences. The bacterial strains are preserved in the general microbial centre of the Chinese general microbial strain preservation and management committee. The preservation numbers are CGMCC No.7400 and CGMCC No.7399 respectively. The compound microbial active filling material disclosed by the invention has the advantages of being large in specific area, high in porosity, good in air permeability, low in resistance, high in bacterial cell loading capacity and less prone to run away; and because of being loaded with ochrobactrum anthropi SL1 and aquamicrobium defluvii SU1, the compound microbial active filling material is difficult to decay and deform in a bioreactor for purifying waste gas, and therefore, the compound microbial active filling material can be used for a long time and is applied to complex processing conditions.

The invention belongs to the field of environmental treatment, and particularly relates to a method for preparing a microbial active filler containing Brachybacterium nesterenkovii. The Brachybacterium nesterenkovii is specifically Brachybacterium nesterenkovii NY-1 with the preservation number of CGMCC No.13747. The microbial active filler containing Brachybacterium nesterenkovii, prepared by themethod, has a high organochlorine degrading efficiency reaching 90-96%; and dominant bacteria has a short adaptation period, and quickly starts a degradation reaction within one week, so the microbial active filler containing Brachybacterium nesterenkovii can shorten the startup period when applied to a bioreactor for purifying waste gas containing organic chlorine.

The invention discloses an Aquamicrobium defluvii active filler and a preparation method thereof. The Aquamicrobium defluvii SU1 disclosed by the invention is an isolate obtained by treating a reactor containing H2S and other odorants in Water Pollution Control Laboratory in Research Center for Eco-Environmental Sciences of Chinese Academy of Sciences; and the strain is collected in China General Microbiological Culture Collection Center, and the collection number is CGMCC No. 7399. The Aquamicrobium defluvii active filler without sulfur-containing odorants has the advantages of large specific area, high porosity, high air permeability, small resistance, high bacterial cell loading capacity and low loss tendency; the active filler with the Aquamicrobium defluvii SU1 has higher efficiency for degrading hydrogen sulfide; and the Aquamicrobium defluvii active filler also has the advantages of low filling density, low pressure and low tendency to corrosion and deformation in the waste gas purification bioreactor, and can be used for a long time and applicable to complex treatment conditions.