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2008results about How to "Materials are readily available" patented technology

Novel solar battery backboard

The invention relates to a novel solar battery backboard, which comprises the following components according to the adhesion in turn: a weathering layer, a first adhesive layer, a structure-enhancing layer, a second adhesive layer and an adhesive reflecting layer; wherein, the weathering layer is a polyvinylidene fluoride alloy layer modified by inorganic materials; the adhesive reflecting layer is a white polyethylene layer; preferably, the polyvinylidene fluoride alloy layer is a plastic alloy layer formed by the polyvinylidene fluoride and the inorganic materials with the thickness of 4-40 mum; the white polyethylene layer is a plastic alloy layer in which polyethylene is mixed with inorganic white pigment, anti-ultraviolet stabilizer and hot-oxygen ageing resistance stabilizer with the thickness of 10-300mum; the structure-enhancing layer is a polyethylene qlycol terephthalate layer; the first adhesive layer and the second adhesive layer can be one of the following three, namely, a polyurethane adhesive layer, an acrylic ester adhesive layer or an epoxy adhesive layer with the thickness of 1mum-30mum. The invention features novel structure, easily obtained materials, greatly reduced cost and good performance, conforms to the requirements of the backboard, and has important significance on solar energy industry.
Owner:SHANGHAI HIUV NEW MATERIALS

Postoperation anti-adhesion hydrogel and preparing method thereof

ActiveCN105194740AMeet postoperative anti-adhesion requirementsMeet nursing treatment needsSurgerySolventBiological materials
The invention discloses postoperation anti-adhesion hydrogel and a preparing method thereof. The hydrogel is prepared from sodium alginate powder, chitosan powder, acrylamide monomers, N,N'-methylene bisacrylamide, calcium sulfate, ammonium persulfate and N,N,N',N'-tetramethylethylenediamine. The preparing method of the high-strength high-tenacity chitosan and sodium alginate compound hydrogel is easy to operate, parameters are controllable, the materials are easy to obtain, and the solvent is nontoxic or low in toxicity and safe to treat and use; the method integrates advantages of the two natural biological materials, and the requirement for postoperation adhesion prevention of patients and the requirement for nursing care and treatment of medical workers can be met well. The hydrogel is soft, can be attached to the skin easily, has good flexibility and can effectively prevent wound surface adhesion and be degraded and absorbed, secondary trauma is avoided, and the hydrogel is expected to become a novel postoperation anti-adhesion material.
Owner:HARBIN INST OF TECH

Temperature-sensitive color-changing paint dyeing technology of textile fabrics

The invention discloses a temperature-sensitive color-changing paint dyeing technology of textile fabrics. The process flow is as follows: selection and composition of the temperature-sensitive color-changing paint; preparation of temperature-sensitive color-changing dye microcapsules; preparation and dyeing of a temperature-sensitive color-changing pigment printing paste, dehydration, and baking to obtain a temperature-sensitive color-changing fabric. The textile fabric is a fabric which is prepared by pretreatment of cotton, Tencel fiber, modal fiber, chemical fibre blended cotton (lanca, polyester cotton and nylon cotton), silk, wool and the like. Through combined actions of ambient temperature, temperature inside clothes and body temperature, the color of the temperature-sensitive color-changing textile obtained by the application of the dyeing technology changes when the surface temperature of the textile achieves or exceeds color-changing temperature; and when the temperature drops below the color-changing temperature, the textile turns to the original color. With the change of the temperature, the textile fabric shows unexpected color and pattern, and the pattern will change based on movement of the body. The color-changing fabric can be widely applied in T-shirt, trousers, swimsuit, casual gym suit, working clothes, children's clothing, curtain, toy and the like.
Owner:FUJIAN ZHONGHE

Vinylene carbonate-based lithium ion battery polymer electrolyte and preparation method as well as application thereof

The invention discloses a vinylene carbonate-based lithium ion battery polymer electrolyte and a preparation method as well as application thereof in a room-temperature full-solid lithium ion battery. The vinylene carbonate-based lithium ion battery polymer electrolyte comprises vinylene carbonate or a copolymer of vinylene carbonate, lithium salt, a porous backing material and an additive, wherein the molecular weight of a vinylene carbonate-based polymer is 172-1*10<7> Da; the ionic conductivity of the vinylene carbonate-based polymer electrolyte is 1*10<-3>-1*10<-5>S / cm at 25 DEG C; the initial decomposition voltage range is 4.5-5.2 V vs.Li<+> / Li. The vinylene carbonate-based electrolyte is prepared by the in-situ polymerization method, so that the electrolyte has excellent interfacial compatibility with electrodes. The vinylene carbonate-based polymer electrolyte can be used in the room-temperature full-solid lithium ion battery; the vinylene carbonate-based polymer electrolyte is excellent in electrochemical oxidation reduction stability, and can be used in high voltage resistant polymer electrolyte materials. The invention further provides the preparation method of the vinylene carbonate-based lithium ion battery polymer electrolyte, and a lithium ion battery made of the electrolyte.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI

Method for culturing rare edible fungi including tricholoma lobayense heim and clitocybe maxima by using vine shoot dust

The invention discloses a method for culturing rare edible fungi including tricholoma lobayense heim and clitocybe maxima by using vine shoot dust. The method comprises the following steps of: A, preparation of a fermentation culture solution; B, preparation of liquid spawn; C, preparation of granular spawn; D, preparation of a culture medium: selecting 68-72 percent of vine shoot dust, 8-12 percent of cotton seed hull, 8-12 percent of broken dry broad-leaved tree fallen leaves, 8 percent of bran, 1 percent of sucrose and 1 percent of calcined lime in a weight ratio, stirring in a material-water ratio of 1:1.4, bagging, performing conventional sealing, and sterilizing for later use; E, inoculating culture; and F, harvesting. The vine shoot is treated and developed into a raw material for culturing the rare edible fungi including the tricholoma lobayense heim and the clitocybe maxima, a natural culture medium is provided for the fungi culture industry, the biotransformation utilization of the vine shoot is realized, and the culture costs of the tricholoma lobayense heim and the clitocybe maxima are reduced.
Owner:HEBEI UNIVERSITY

Air purifying agent

InactiveCN103861421ALarger than surface and uniformGood adsorption and decomposition effectOther chemical processesDispersed particle separationActivated carbonHazardous substance
The invention relates to an air purifying agent which comprises the following raw materials by mass: kieselguhr powder, zeolite powder, medical stone powder, tourmaline powder, activated carbon power, sepiolite powder and titanium dioxide powder. The air purifying agent is prepared by the steps of (1) mixing the kieselguhr powder, the zeolite powder, the medical stone powder, the tourmaline powder, the activated carbon power, the sepiolite powder and the titanium dioxide powder; (2) granulating a mixture obtained in the step (1); and (3) drying the granulated mixture obtained in the step (2). The air purifying agent disclosed by the invention is large in specific surface area and uniform, has a good effect for adsorbing and decomposing harmful substances in air and is an ideal selected material suitable for environment purification in closed spaces such as a room and an automobile and for various air purifiers.
Owner:QINGDAO CHUANSHAN NEW MATERIALS

Preparing cyclohexene catalyst and for benzene hydrogenation its manufacturing method

A catalyst for preparing cyclohexene from benzene by hydrogenating is prepared from metal Ru, one or two transition metals or RE elements, the hydroxide of alkali metal as precipitator, and hydrophilic indifferent oxide. It has high activity and selectivity.
Owner:ZHENGZHOU UNIV

Ground limestone powder full-manufactured sand high-strength recycled self-compacting concrete and application thereof

The invention discloses ground limestone powder full-manufactured sand high-strength recycled self-compacting concrete and application thereof. Per cubic meter of concrete contains 360-402kg of cement, 39-85kg of mineral powder, 45-88kg of fly ash, 70-96kg of ground limestone powder, 730-810kg of manufactured sand, 460-640kg of natural coarse aggregate, 300-400kg of recycled coarse aggregate, 10.3-13.7kg of polycarboxylate superplasticizer and 160-176kg of water. According to the full-manufactured sand high-strength recycled aggregate self-compacting concrete prepared from three additives including the ground limestone powder, the fly ash and the mineral powder, the fine aggregate is totally manufactured sand, and 31-46% of recycled coarse aggregate is added to the coarse aggregate, so that an effective path is provided for reducing exploitation and utilization of natural sand and sufficiently recycling concrete wastes, and a technical reference is provided for preparing the ground limestone powder full-manufactured sand self-compacting concrete.
Owner:华润水泥技术研发(广西)有限公司

Cat litter utilizing clumping wood flour and waste residues

The invention discloses cat litter utilizing clumping wood flour and waste residues. The cat litter comprises raw material constituents by percentage. The raw material constituents comprises 45-55% of pine wood flour, 10-15% of coal cinder, 8-12% of blast furnace slag, 5-10% of super absorbent resin and 5-15% of starch. The cat litter uses the waste residues with high water absorbing quality to substitute a part of wood flour to greatly reduce the phenomenon that wood flour cat litter absorbs water and is prone to being rotten. Furthermore, the materials are easy to obtain and low in cost. A new way is provided for utilization of coal cinder, blast furnace slag and dry soybean curd residue, discharging of the waste residues is reduced, and good ecological benefits and economical benefits can be achieved.
Owner:WUHU LEISURELY NURSING SUPPLIES POLYTRON TECH INC

Mechanical scraping and electrical heating combined snow removal greenhouse

The invention discloses a mechanical scraping and electrical heating combined snow removal greenhouse. In the greenhouse, a gear guide rail and a platform guide rail are arranged on the cross beam in the middle of the greenhouse, a moving platform is arranged on the platform guide rail, a motor is arranged on a movable platform, and edge guide rails are arranged on the cross beams at the two endsof the greenhouse; driving pinions on the driving shafts on the two sides of the motor are meshed with the gear guide rail, and the driving pinions can move up and down on the gear guide rails; a snow removing plate is arranged at one end of the motor, left and right snow removing plates are formed on the two sides of the snow removing plate and the outer ends of the left and right snow removing plates are embedded in the inner edge rollers of the edge guide rails; a plurality of electric heating tube supporting beams are arranged on a top beam, and waterproof electric heating tubes which areconnected with the power wire through electrical wires are arranged on the surfaces of the electric heating tube supporting beams; and the design heights of the lower ends of the left and right snow removing plates are required to be greater than those of the waterproof electric heating tubes. The mechanical scraping and electrical heating combined snow removal greenhouse has the advantages of effectively removing snow accumulated on the top of the greenhouse, reducing heavy and dangerous snow removing work at night, and allowing planting in greenhouse to be carried out normally on snowy days.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Hyperbranched polyamino acid, preparation method and application thereof

The invention relates to hyperbranched polyamino acid. The chemical composition is as follows: in the formula of (Lys-)a-(-Arg-)b-(-His-)c-(-X)d, Lys, Arg and His are respectively lysine, arginine and histidine, X is one of or a plurality of any amino acids except for the amino acids above, wherein a is not less than 0.2 and not more than 0.95, b is not less than 0 and not more than 0.8, c is not less than 0 and not more than 0.8, d is not less than 0 and not more than 0.3, and the sum of a, b, c and d is 1. The preparation method is as follows: uniformly mixing lysine or lysine salt with other amino acids or the amino acid salts contained in the hyperbranched polyamino acid to react for 2-64h at the temperature of 130-180 DEG C and then obtain yellow solid, and finally purifying the coarse product with a precipitation method to obtain the hyperbranched polyamino acid. The hyperbranched polyamino acid obtained in the invention can be used as nonviral gene carrier for the transduction of huamn or animal cell gene, and the hyperbranched polyamino acid nonviral gene carrier provided by the invention is reasonable in design, simple in preparation method, high in transfection efficiency, low cytotoxicity and favorable transduction efficiency in the presence of blood serum.
Owner:WUHAN UNIV

Capillary needle, and electro-spray ionization mass spectrometry analytical apparatus and method

The invention discloses a capillary needle. The capillary needle comprises a tube body, the two ends of the tube body are respectively provided with an inlet and an outlet for electro-spray, a part of the tube body is bent to form a sampling end, and the sampling end is provided with a sampling port communicating with a cavity in the tube body. The invention also discloses an electro-spray ionization mass spectrometry analytical apparatus applying the capillary needle. The invention also simultaneously discloses a method applying the electro-spray ionization mass spectrometry analytical apparatus for analytical detection. The analytical apparatus is high in integration, compact in structure, easy to control, small in size and low in cost; the sample consumption is greatly reduced, and the experiment cost is decreased; an integrated sample introduction method is employed, and an sample introduction end does not have to be repeatedly placed in a sample and blank solution, such that cross contamination is reduced, and more importantly, the analytical flux is substantially improved; and through combination with an automatic sample changing system, different samples can be automatically introduced, and therefore, the capillary needle, the apparatus and the method are quite suitable for such fields as high-flux screening, unicell analysis, mass spectrum imaging analysis and the like.
Owner:ZHEJIANG UNIV

Solar cell back panel film with high bonding strength and preparation method thereof

The invention relates to a solar cell back panel film and a preparation method thereof. The solar cell back panel film is characterized in that the two sides of a polyester base layer are composited with wear-resistant layers by coating adhesive bonding layers; the wear-resistant layers are fluorine-containing films prepared by mixing fluorine plastic with polymer fillers, inorganic fillers and functional auxiliaries, then extruding and granulating the mixture and then carrying out casting or film blowing; the fluorine plastic is an ethylene-chlorotrifluoroethylene copolymer or polyvinylidene fluoride and accounts for 50-80wt% of the wear-resistant layers; the polymer fillers are polyacrylic ester polymers and account for 10-30wt% of the wear-resistant layers; the inorganic fillers are oxides containing titanium, aluminium, tin and silicon and account for 10-20wt% of the wear-resistant layers; and the functional auxiliaries account for 0-2wt% of the wear-resistant layers. The solar cell back panel film has the following beneficial effects that good adhesiveness is ensured between the wear-resistant layers and packaging materials; and the back panel film has tight structure, less production processes and low cost.
Owner:SHANDONG DONGYUE POLYMER MATERIAL

Umbilical cord mesenchymal stem cell injection as well as preparation method and application thereof

The invention provides umbilical cord mesenchymal stem cell injection as well as a preparation method and application thereof. The umbilical cord mesenchymal stem cell injection comprises mesenchymal stem cells and a frozen stock solution, wherein the frozen stock solution comprises the following components: a balanced electrolyte solution with the volume percentage of 25-70 percent, hydroxyethyl starch 130 / 0.4 with the mass / volume percentage (g / ml) of 1-10 percent, triphosadenine disodium magnesium chloride with the volume percentage of 5-20 percent, clinical-grade DMSO with the volume percentage of 5-20% and 20% human albumin with the volume percentage of 1-50 percent. The prepared umbilical cord mesenchymal stem cell injection is free of animal serum, safe, high in cell viability after cryopreservation resuscitation, can be used for treating inflammatory bowel disease, has a good effect and has no toxic or side effects.
Owner:北京青藤谷禧干细胞科技研究院有限公司

Method for trapping and collecting wild hermetia illucens by utilizing chrysomyia megacephala maggot cultivation residues

InactiveCN103975901ASignificant trappingThe effect of strong oviposition inductionFood processingAnimal feeding stuffMicroorganismAnimal science
The invention provides a method for trapping and collecting wild hermetia illucens by utilizing chrysomyia megacephala maggot cultivation residues. Specifically, bran and spray-dried animal blood cells are utilized to breed chrysomyia megacephala maggots firstly, then the chrysomyia megacephala maggot cultivation residues are utilized to trap and collect the wild hermetia illucens. According to the method, the suitable period for trapping and collecting the wild hermetia illucens ranges from April to October at the air temperature from 23 DEG C to 35 DEG C on clear and rainless days. The method is quite obvious in the effects of trapping and collecting the hermetia illucens, especially the lysine richly contained in the spray-dried animal blood cells is easily broken into cadaverine and other substances with strong stimulating smell under the action of the chrysomyia megacephala maggots and natural microorganism, the cadaverine and other substances with strong stimulating smell have an extremely strong effect of inducing adult hermetia illucens to lay eggs, and after the eggs of the wild hermetia illucens are hatched and grow under normal temperature, a great quantity of hermetia illucen larva resources can be obtained in a short time. The method is simple, convenient to operate, effective and capable of greatly saving manpower and time for obtaining the wild hermetia illucen larva resources.
Owner:SUN YAT SEN UNIV

Graphene dye sensitized solar cell and production method thereof

The invention discloses a graphene dye sensitized solar cell and a production method thereof. The solar cell comprises a light anode comprising transparent upper base material and graphene conducting layer, a porous nano semiconductor film and a dye sensitizer, oxidation reduction electrolyte solution, a counter electrode comprising a lower base and graphene conducting layer and a composite catalytic layer as well as a film shell. The production method comprises the steps of preparing the light anode, preparing the counter electrode, encapsulating and injecting the electrolyte solution. In the invention, graphene with an available raw material, low cost, good conductive performance, extremely high flexibility and good ductibility is adopted as the conducting layer, the flexible transparent material is adopted as a substrate, and platinum metal particles are embedded on the graphene conducting layer of the counter electrode by adopting adsorption instead of magnetron sputtering to form the composite catalytic layer. Thus, the invention has the characteristics that the raw material is available, the production cost is low, the production process is simple and reliable, the flexible solar cell can be produced and applied to the flexible field, and the application range is effectively expanded.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Process for repairing ancient books, paintings and calligraphy and paper literatures by using paper pulp

The invention relates to a pulp repair method of ancient book, painting and calligraphy, which comprises: 1, according to the material of repaired book, painting and calligraphy, selecting pulp material, and adding the raw paper of selected pulp material into mixer, adding water and suspending agent, to mix and break uniformly; the mass ratios between raw paper, suspending agent, and water are: raw paper in 5-20; suspending agent in 5-15; and water in 500-1000, while the mixing time is 30-90s, then getting out the pulp; 2, spreading the book, painting and calligraphy on the repair support that made from paper shade; filling prepared pulp into repair pen to repair them that dropping pulp into the damaged part to use the combine force generated when the pulp becomes paper, the interlace force of fiber, and the adhesive function of suspending agent to complete said process; 3, removing repaired book, painting and calligraphy from the repair support, to be laid on the water-adsorption paper, to be dried.
Owner:邱晓刚

Flame-retardant fiber board and manufacturing method thereof

The invention relates to a flame-retardant fiber board and a manufacturing method thereof. The flame-retardant fiber board is prepared from the following raw materials in portion by weight: 80 to 120 portions of fiber, 80 to 120 portions of magnesia, 80 to 200 portions of water solution of magnesium sulfate, 5 to 30 portions of active silica, 0.5 to 2 portions of organosilicon waterproof agent, and 0.5 to 1.5 portions of plasticizer. The manufacturing method comprises the steps: 1) preparing the fiber, namely cleaning and drying crop straws, wood branches or wood processing residual materials, and then obtaining the fiber through the crushing by a crushing machine; 2) preparing an inorganic adhesive, namely mixing the magnesia, the water solution of the magnesium sulfate, the active silica, the organosilicon waterproof agent and the plasticizer, and stirring the mixture to obtain the inorganic adhesive; 3) mixing the fiber and the inorganic adhesive prepared through the step 1 and the step 2, stirring the mixture, and paving the mixture after the screening by a screening machine; 4) paving a reinforcing network on the upper and lower surfaces of a paved slab; and 5) finally performing hot pressing on the board paved with the reinforcing network for 10 to 25 minutes at a temperature of between 100 and 110 DEG C at a pressure of between 12 and 30MPa to obtain the flame-retardant fiber board. The flame-retardant fiber board has broad application field.
Owner:湖南迪普环保建材有限公司

Vertical semiautomatic pineapple peeling machine

A vertical semiautomatic pineapple peeling machine mainly comprises a sliding lead screw, a cutter system, a pineapple rotating mechanism and a machine frame, wherein two motors are mounted inside the machine frame; a lead screw motor is connected with a shaft coupler and the shaft coupler is connected with a lead screw through A-type keys; a lead screw sliding table and the lead screw form a screw pair, and the lead screw sliding table is connected onto a slide block through bolts; the cutter system comprises a cutter holder, a screw, a tubular movable sleeve, a spring, a regulating screw and a cutter; a lower clamping body is connected with the shaft coupler through a wedged key; an upper clamping body and a rotating regulating handle form a threaded pair; a chassis is fixed to the machine frame through bolts; the rotating regulating handle and the top plate of the machine frame form a threaded pair; a pineapple motor is connected with a simple shaft coupler and the simple shaft coupler is connected with the lead screw through B-type keys; a sliding rail is connected with the side plate of the machine frame through a hexagonal bolt. The vertical semiautomatic pineapple peeling machine can meet peeling requirements of pineapples with different sizes.
Owner:GUANGXI UNIV

Intelligent automatic fire alarm escape indication system and method thereof

The invention relates to an alarm escape indication system and method, particularly to an intelligent automatic fire alarm escape indication system and method thereof. The system is composed of intelligent terminal equipment, an intelligent smoke detector, an intelligent heat detector, manual alarm equipment, an intelligent fire automatic alarm escape controller, and a remote firefighting monitoring center. According to the method, the intelligent smoke detector and the intelligent heat detector detect that the smoke concentration or temperature reaches an alarm value, an alarm signal is sent out and transmit fire information to the intelligent fire automatic alarm escape controller; the controller calculates escape and self-rescue guide information; the information is displayed and broadcasted to the intelligent terminal equipment by an Wi-Fi unit and is also transmitted to the remote firefighting monitoring center simultaneously; and the remote firefighting monitoring center organizes multiple units instantly to rush to the spot so as to carry out rescue or evacuation. According to the invention, the intelligent degree is high; functions of infinite long-distance fire-proof alarm, linked rescue, intelligent escape and evacuation, network service, and wireless internet access service are realized; the system is simple; the cost is low; the operation is convenient; and the system and method can be popularized and used conveniently.
Owner:LIUZHOU HUAHANG FIRE EQUIP CO LTD

Production of biological diesel oil by fixed enzyme method

A process for producing biological diesel oil by fixed enzyme method is carried out by taking sodium alginate, kaoline, glutaraldehyde, gelatin and lactose as co-fixer, fixing the lipase, piling the spherical fixed enzyme in filled bed columnar reactor naturally, alcoholyzing animal and plant oil fatty with biological diesel oil as solvent and producing biological diesel oil. It is cheap, has less consumption and by product and better quality. It can be used for continuous production.
Owner:茂名市泓宇能源科技有限公司

Heat storage material microcapsule, production thereof and application thereof

The invention relates to a phase change heat storage material, in particular to a heat storage material microcapsule, production thereof and application thereof, wherein a synthetic high molecular material or a natural high molecular material is used as a shell material, and a mixture of more than one or two of hydrophobic materials of which the solid-liquid phase conversion can be completed during the temperature change in the range of 50 DEG C below zero to 100 DEG C is used as a core material, wherein the mass ratio of the core material to the shell material is 100:5 to 50. With the adoption of the heat storage material microcapsule, the production thereof and the application thereof, a produced microcapsule product of particles from the nano level to the micro level is capable of resisting 340 DEG C high temperature and 12KPa pressure, has good chemical stability and can be widely used in multiple fields of construction material, spinning, biology, physical therapy and the like.
Owner:上海美纤智能科技有限公司

Low-luster PC/PBT (polycarbonate/polybutylene terephthalate) alloy material and preparation method thereof

The invention provides a low-luster PC / PBT (polycarbonate / polybutylene terephthalate) alloy material which comprises the following components in percentage by weight: 60-72% of PC, 12-18% of PBT, 2-8% of main toughener, 1-4% of auxiliary toughener, 2-7% of flatting agent and 6-15% of other assistants. The main toughener is an ethylene-butyl methacrylate-glycidyl acrylate multipolymer, and the auxiliary toughener is a methyl methacrylate-butadiene-styrene impact modifier in a core-shell structure. The invention also provides a preparation method of the low-luster PC / PBT alloy composite material. The low-luster PC / PBT alloy material has the advantages of excellent comprehensive properties, favorable low-temperature-resistant effect and favorable matte effect, and can be used on automobile internal decorations, satellite receiving antenna and satellite signal receiver shells, and other devices in need of matting.
Owner:SHENZHEN KEJU NEW MATERIAL

Multifunctional ordered medicine release medical coating film for acute trauma and preparation method thereof

The invention provides a multifunctional ordered medicine release medical coating film for acute trauma and a preparation method thereof. The multifunctional ordered medicine release medical coating film for acute trauma is characterized by comprising fiber formed through coaxial static spinning; the fiber comprises a bleeding stopping and pain relieving layer and an anti-bacterial healing promotion layer arranged in the bleeding stopping and pain relieving layer; the bleeding stopping and pain relieving layer comprises one or several kinds of materials from high molecular polymers, bleeding stopping factors dispersed into the high molecular polymers and pain relieving medicine; the anti-bacterial healing promotion layer comprises high molecular polymers, antibacterial medicine dispersed in the natural high molecular polymers, and mesoporous SiO2 particles loaded with bioactive factors. The preparation method is simple; the materials can be easily obtained; the treatment and the use are safe; the prepared multifunctional ordered medicine release medical coating film can be matched with different stages of the wound healing; the medicine or active substances required for wound healing can be timely and orderly released.
Owner:DONGHUA UNIV

Enzyme electrode, enzyme biosensor as well as preparation methods and application thereof

The invention relates to an enzyme electrode, an enzyme biosensor as well as preparation methods and application of the enzyme electrode and the enzyme biosensor. The enzyme electrode comprises a base electrode, wherein a carbonized eggshell membrane is attached on the surface of the base electrode; nano-metal particles and enzyme are cured on the carbonized eggshell membrane. According to the enzyme electrode, a composite material of the eggshell membrane and the nano-metal particles is used as a carrier, enzyme molecules are effectively fixed and direct electron transfer between enzyme and the electrode is realized, thereby improving the catalytic activity of the enzyme molecules and the sensitivity of the sensor. Compared with the prior art, the enzyme electrode has the advantages that the eggshell membrane is used as a material so that reutilization of wastes is realized, and the preparation method is simple and low in cost, and electron transfer rate of the electrode and the enzyme is high; the enzyme biosensor is fast and accurate and high in detection sensitivity, stability and repeatability.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Quasi ecological planting method of dendrobium officinale

The invention discloses a quasi ecological planting method of dendrobium officinale. The method comprises the following steps of: (1) drilling small holes at a part between two bamboo joints of a live bamboo; (2) taking the fillings such as mosses or sawdusts as a culture medium and filling the culture medium in the cavity of the bamboo through the small holes; (3) planting the seedling of the dendrobium officinale on the culture medium in the cavity of the bamboo through the small holes opened in the step (1); (4) applying a leaf fertilizer once per month; (5) performing a first harvesting, wherein the time from planting to harvesting is 18 months, leaving seedlings more than 3 cm high on the bamboo while harvesting; (6) performing harvesting once in each year for five years; and then planting the new seedlings. The materials used in the quasi ecological planting method of dendrobium officinale are easy to obtain, the yield in each mu of farmland can reach 200-300 kg per year; thus the quasi ecological planting method of dendrobium officinale is suitable for planting dendrobium officinale in tropical and subtropical regions.
Owner:李光明 +1

Method for cultivating glossy ganoderma and collecting glossy ganoderma spore powder

The invention discloses a method for cultivating glossy ganoderma and collecting glossy ganoderma spore powder. The method comprises the following steps of: a, cultivating the glossy ganoderma in the conventional method, before the cracking period of fully-ridged glossy ganoderma, arranging a layer of supporting network right above the glossy ganoderma to emergence space of a ridging surface, paving a plastic film on the integral supporting network, and shearing seams on the parts of the supporting network and the plastic film, which are opposite to the glossy ganoderma, so that the glossy ganoderma can come out from the seams; b, when the mature glossy ganoderma sporophores start to produce spore powder, inserting and cushioning a paper cushion on the root of each plant of glossy ganoderma sporophore, and arranging tea filter paper or a non-woven fabric arc shed on the supporting network or the plastic film; and c, harvesting the spore powder when spores of the glossy ganoderma sporophores are produced completely. By the method, the yield of the glossy ganoderma is improved by over 20 percent, the collection rate of the spore powder is maximized to over 98 percent, the glossy ganoderma sporophores are good in growing development, thin in skin and thick in flesh, the incubated spore quantity is maximized, the brown stain rate of the glossy ganoderma is less than 0.2 percent, the spores are robust and full, the content of active ingredients is higher, and the immigration source of the pollution of harmful substances in plastic materials is avoided.
Owner:安徽黄山云乐灵芝有限公司

Antistaling agents for fresh kiwi fruit slices, fresh-keeping products and fresh-keeping method

The invention relates to antistaling agents for fresh kiwi fruit slices, fresh-keeping products and a fresh-keeping method, wherein the antistaling agents comprise a cleaning agent and a color-protection agent; the fresh-keeping products contain a cleaning agent, a color-protection agent, N2 and polyethylene fresh-keeping bags; and the fresh-keeping method, which comprises steps of selection of kiwi fruits, fresh slice cut pretreatment, cleaning treatment, color-protection treatment and N2-charging fresh-keeping treatment, maintains the nutrient composition and freshness of the peeled fresh kiwi fruit slices within a certain amount of time.
Owner:NORTHWEST A & F UNIV

Novel solar battery backboard

The invention relates to a novel solar battery backboard. The novel solar battery backboard comprises a weather resistant layer, a bonding layer and an insulation layer bonded in sequence, wherein the weather resistant layer consists of the following components by weight: 40-80 parts of fluorine-containing polymer, 5-30 parts of acrylic acid polymer, 5-20 parts of inorganic filler and 5-15 parts of maleic anhydride grafted ethylene-vinyl acetate copolymer; and the insulation layer consists of the following components by weight: 70-90 parts of polyethylene glycol terephthalate, 1-20 parts of polytetrafluoroethylene micro-powder and 5-20 parts of uvioresistant additive. The novel solar battery backboard is novel in structure, easily available in material and low in cost; and the interlayer bonding strength is enhanced, the weather resistance is improved and the service life of a solar assembly is prolonged.
Owner:ZHEJIANG GREEN NEW MATERIALS
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