178results about How to "Guaranteed long-term effect" patented technology

The invention belongs to preparation of a porous nano catalytic material, and particularly relates to a preparation method and application of a porous carbon-doped high-dispersion cobalt-phosphide-loaded material. The material is a carbon-based composite material which is of a mesoporous-macropore hierarchical porous structure and in which nitrogen atoms and phosphorus atoms are chemically doped in carbon skeletons and cobalt phosphide nanoparticles are loaded in a high-dispersion mode, and the specific surface area reaches up to 867 m<2> / g. The material is synthesized through the method comprising the steps that prepolymerization is firstly performed on organic phosphonic acid and melamine, and then high-temperature carbonization is performed. The material is applied to electro-catalysis hydrolysis hydrogen production and has the good effect. Used equipment is simple, the synthesis conditions are mild, the raw materials are easy to obtain, and the material is suitable for industrialized mass production.

The invention provides a water soluble fertilizer containing high-concentration humic acid. The water soluble fertilizer comprises, by weight, 15-25 parts of a water soluble humic acid salt, 18-25 parts of urea, 9-15 parts of dipotassium hydrogen phosphate, 8-13 parts of potassium acetate, 0.5-2 parts of borax, 0.1-10 parts of polyglutamic acid, 1-5 parts of rhamnolipid, 5-10 parts of a hydroxymethyl cellulose aqueous solution and 30-40 parts of water. The water soluble fertilizer has humic acid content greater than or equal to 150g / L. The invention also provides a preparation method of the water soluble fertilizer containing high-concentration humic acid. The preparation method comprises the following steps of 1, carrying out heating stirring of the water soluble humic acid salt and water to obtain a humic acid salt solution, 2, adding dipotassium hydrogen phosphate, potassium acetate, borax, polyglutamic acid, rhamnolipid and urea into the humic acid salt solution, and carrying out heating stirring to obtain a mixed solution, and 3, carrying out emulsification of the hydroxymethyl cellulose aqueous solution and the mixed solution to obtain the water soluble fertilizer containing high-concentration humic acid. The water soluble fertilizer has obvious fertilizer efficiency, is environmentally friendly, stable and uniform and has a wide application range.

The invention discloses a bottom surface-integrated wear-resistant fluorosilicone-based super-amphiphobic coating, and a preparation method and application thereof. The preparation method comprises the following steps: 1) performing synergistic modification treatment on two or more nanoparticles to obtain modified blended particles; 2) adding the blended modified particles into a dispersing solvent, performing ultrasonic dispersion for 1 to 2 hours and then mechanically stirring; 3) adding a certain amount of tert-butyl acetate into fluoro-siloxane resin and performing shearing dispersion to obtain substrate material emulsion; 4) mixing the blended modified particle turbid liquid in the step 2 and the substrate material emulsion in the step 3, adding a coupling agent, heating, stirring anddispersing, and performing dispersion by a high-speed shearing dispersing machine to obtain super-amphiphobic coating; and 5) stirring the super-amphiphobic coating uniformly, spray-coating the surface of an object with the super-amphiphobic coating and drying at room temperature for 10 to 30 minutes to successfully prepare the wear-resistant integrated super-amphiphobic coating. The wear-resistant super-amphiphobic organic-inorganic hybrid coating is obtained by connecting a fluorine-silicon substrate and the blended modified particles through chemical grafting copolymerization reaction.

The invention provides an antibacterial composite plastic packing membrane and the making process thereof. And it comprises heat sealing layer, middle layer, and outer layer, where the composition of the heat sealing layer contains: LLDPE 5-40 parts, LDPE 10-35parts, MPE 15-35parts, and antibacterial agent 0.5-5 parts,the composition of the middle layer contains MPE 3-5parts, LDPE 15-25parts, LLDPE 55-70parts, antibacterial agent 0.2-3parts,the composition of the outer layer contains MPE 3-13parts, LDPE 15-35parts and LLDPE 45-65parts. And it carefully chooses antibacterial agent which has high-efficiency broad-spectrum property, is safe and nontoxic to human body, and has good heat resistance and succeeds in combining the antibacterial agent with PE membrane which has common physical and mechanical properties and makes the antibacterial agent uniformly distributed on the surface of the PE membrane, thus improving antibacterial function of the membrane and the surface polarity and hydrophily of the membrane, so as to make the membrane have good antistatic property.

The invention relates to a long-acting antibacterial ultra-low volatility interior wall coating compound which mainly comprises the following compositions in parts by weight: 35.0 to 40.0 parts by weight of film forming material, 0.4 to 0.6 part by weight of freezing stabilizer, 35.0 to 40.0 parts by weight of pigment and filler, 5 to 7 parts by weight of coating additive and an acceptable amount of water, wherein the film forming material is an acrylic acid copolymer emulsion containing a functional group capable of stably complexing silver ions; the freezing stabilizer is long-chain ethylene oxide (EO) blocked fatty alcohol polyoxyethylene ether; and the total content of volatile organic compounds (VOC) in the compound is not more than 0.01% by weight on the basis of the total weight of the compound.

The invention provides a preparation method of a superfine crystal inoculating agent for aluminum alloy grain refinement and relates to aluminum-based alloy and is a method for preparing nano-crystalline Al-Ti-B-Re thin-strip intermediate alloy by a rapid solidification technology of metal, wherein the method comprises steps as follows: proportioning 5-5.4% of Ti, 1-1.04% of B, 1-1.2% of Ce, 0.05-0.2% of La and the balance of Al according to determined ingredients; weighing raw materials Al-5Ti-1B intermediate alloy and lanthanum cerium alloy to proportion the materials; melting in vacuum to obtain blocky Al-5Ti-1B-1Re intermediate alloy; carrying out rapid solidification to obtain the superfine crystal inoculating agent for the aluminum alloy grain refinement, wherein the superfine crystal inoculating agent is the nano-crystalline Al-5Ti-1B-1Re intermediate alloy. With the adoption of the method provided by the invention, adverse impact of needlelike TiAl3 on the matrix structure is eliminated, nucleating particles TiAl3 with thinner size and more dispersed distribution are obtained, and superfine nucleating particles are realized.

The invention relates to a fog-dissipation and anti-dropping polyvinyl chloride greenhouse film and a preparation method thereof, and belongs to the technical field of polymer materials. The preparation method is characterized in that 100 parts by weight of a polyvinyl chloride resin is adopted as the main raw material, 2.5-5.0 parts by weight of a composite anti-fogging and anti-dropping additive is added, and a three-layer co-extruding composite calendering process is adopted to prepare the greenhouse film with a three-layer composite structure, wherein the concentration of the composite anti-fogging and anti-dropping additive in the middle layer is 1.5-2.5 times the concentration of the composite anti-fogging and anti-dropping additive in the surface layer, the thickness of the middle layer is 2-3 times the thickness of the surface layer, and the composite anti-fogging and anti-dropping additive is formed by carrying out an intercalation reaction on 10-15 parts by weight of a composite anti-fogging agent, 25-50 parts by weight of a composite anti-dropping agent, and 40-80 parts by weight of a slow-release agent. The durable fog-dissipation and anti-dropping polyvinyl chloride greenhouse film preparation method is the intercalation-material matching and mixing-calendering process of the anti-fogging agent, the anti-dropping agent and the slow-release agent. The fog-dissipation and anti-dropping polyvinyl chloride greenhouse film has effects of fog-dissipation and anti-dropping.

The invention relates to a making method of an antibacterial high-efficiency filtering nonwoven fabric. The method comprises the following steps: adding a silver nitrate solution to an amino-containing hyper branched polymer solution prepared through reacting methyl acrylate with ethylenediamine in order to obtain an amino-containing Ag / HBP, and mixing the silver nitrate solution with a coupling agent to carry out surface treatment; and impregnating a nonwoven fabric in an Ag / HBP mixed solution, and carrying out heat treatment to obtain the filtering nonwoven fabric. The nonwoven fabric made in the invention can be used in personal protective articles, also can be used in air purifiers of household and office environments, greatly improves the filtration of miniature particles, and can kill bacteria carried by dust particles in air.

The invention relates to a nano channel type natural controlled-release carrier material and a preparation and application methods thereof. Shrimp and crab shells and other products with natural nanochannels are used as the carriers, and the series of functional chemical substance controlled-release carriers with natural nano channels are produced directly or through a coproduction process. Researches discover that the micro-channels with the average pore diameter being about 10 nanometers can effectively store and release various functional substances in a controlled manner, and rich novel carrier product series and flexible combination are provided to satisfy the performance requirements of various controlled-release products. The preparation method is wide in biomass raw material source and cheap, and the produced carriers can satisfy the cost performance requirements of simpleness, high efficiency, greenness and safety. The preparation method can promote the application of controlled-release medicine, pesticides and plant growth regulators and controlled availability fertilizer, the pesticides and fertilizer can be prevented from being decomposed by enzymes or microorganism and from losing by the protection of the nano channels which the microorganisms cannot enter, and a novel efficient, long-acting, safe and cheap animal and plant pesticide and fertilizer system is developed.

The invention provides a soldier pile overlapping arrangement type ecological revetment and a construction method thereof. The soldier pile overlapping arrangement type ecological revetment comprises a plurality of ecological revetment building blocks and a plurality of corresponding fixing piles, wherein plant growing grooves are formed in the ecological revetment building blocks; fixing grooves are connected to the outer parts of the ecological revetment building blocks; the ecological revetment building blocks are fixed to the corresponding fixing piles through the corresponding fixing grooves; the fixing piles are arranged into a plurality of rows and fixed to a river bank; the ecological revetment building blocks are fixed to the river bank in a combination manner of overlapping the plurality of rows of fixing piles in upper layers and lower layers along the height of the river bank; every two adjacent rows of fixing piles are staggered. According to the soldier pile overlapping arrangement type ecological revetment, the fixing piles are directly arranged and overlapped in the upper layers and the lower layers, and a pebble layer is used for supporting, so that the whole structure is firm and stable; the soldier pile overlapping arrangement type ecological revetment is stable in structure, and convenient and quick to construct; in addition, the building material consumption is reduced; the plant growing grooves are completely exposed, so that plants are completely under the light, and the individually-built plant growing grooves are large in space.

The invention discloses a new energy charging pile with a rainwater collecting and cooling device. The new energy charging pile with the rainwater collecting and cooling device comprises a base, a water storage tank is arranged on the lower side of the base, a charging pile body is arranged on the upper side of the base, a water supplementing pump and a circulating water pump are arranged on the two sides of the charging pile body, and a heating assembly is arranged in the charging pile body; the outer side of the heating assembly is provided with a liquid cooling pipe, the lower end of the liquid cooling pipe is connected with a circulating water pump, a temperature control pipe is arranged in the middle of the heating assembly, a rain shielding block is arranged at the upper end of the charging pile body, heat dissipation openings are formed in the two sides of the upper portion of the liquid cooling pipe, and heat dissipation fans are arranged in the heat dissipation openings; and acharging gun slot is formed in the side surface of the charging pile body. Operation of the heat dissipation fans and the water pump can be automatically controlled, rainwater is collected and used for cooling, the situation that the temperature is too high when the charging pile works can be effectively avoided, meanwhile, ammonium nitrate is arranged and used in cooperation, and internal assemblies can be prevented from being burnt out due to the too high internal temperature of the charging pile.

The invention relates to the technical field of coating preparation, and specifically relates to a preparation method of a diamond-like coating with antibacterial and high corrosion resisting performances. The method comprises the following steps: washing and drying a workpiece; feeding into a workpiece rack in a vacuum chamber; correspondingly pumping the vacuum chamber to reach high vacuum degree through a mechanical pump and a turbo molecular pump; mounting six rectangular magnetron targets on the outer wall of the vacuum chamber, wherein three magnetron targets are manufactured through graphite, two magnetron targets are manufactured through chrome or titanium, and one magnetron target is manufactured through silver; sputtering with working gas which is high-purity argon; and ionizingthe high-purity argon through a radio frequency electrode so as to form the diamond-like coating on the surface of a substrate, wherein the diamond-like coating is doped with silver nanoparticles. According to the method, the diamond-like coating with high adhesion and high abrasion resistance is prepared on a metal substrate by a sputtering technology; and moreover, the silver nanoparticles are doped, so that the antibacterial function is realized.

The invention discloses a cement hexavalent chromium reducing agent, and belongs to the technical field of building material. The cement hexavalent chromium reducing agent is composed of, by weight, 5to 20 parts of antimony oxide, 1 to 5 parts of a polycarboxylic acid hyper-dispersant, 0.2 to 0.5 part of a defoaming agent, 0.1 to 0.3 part of hydroxypropyl methyl cellulose, and 70 to 90 parts of water. According to the preparation method, antimony oxide is taken as a hexavalent chromium reducing component, at normal temperature, the antimony oxide is solid, and under alkali conditions, excellent reducing activity is achieved, the sensitivity on temperature and humidity is low, so that antimony oxide possesses great advantages in comparing with conventional ferrous salts and stannous salt reducing agents, and reducing agent long effect lasting characteristic is maintained. The cement hexavalent chromium reducing agent is a suspension liquid; synthesis of the polycarboxylic acid hyper-dispersant and the interaction of the other auxiliary components are adopted, so that the obtained finished product can be stored in the form of a suspension liquid with relative stability, the solid advantage of antimony oxide is maintained, and convenience is provided for product using.

The invention discloses a fertilizer for grapes. The fertilizer for grapes is characterized in that a formula of the fertilizer comprises the following ingredients (by weight): 130 parts of urea, 60 parts of diammonium phosphate, 100 parts of calcium superphosphate, 10 parts of a calcium magnesium phosphate fertilizer, 180 parts of potassium sulphate, 15 parts of borax, 5 parts of copper amino acid chelate, 5 parts of iron amino acid chelate, 5 parts of zinc amino acid chelate, 80-120 parts of grass carbon, 210-280 parts of oil cake, 55-100 parts of humic acid, 20-30 parts of amino acid, 32-48 parts of a biological synergist and 200-300 parts of a bio-organic fertilizer. As the fertilizer for grapes is composed of elements (nitrogen, phosphor, potassium), organic matter, microbes, trace elements, amino acid and a conditioner, soil permeability can be effectively enhanced, soil hardening and acidification can be solved, basic fertility of cultivated lands can be raised, internal nutrients of cultivated lands replace external chemical fertilizer nutrient input, land utilization and land cultivation are combined, and production and income increase of grapes is promoted.

The invention relates to the technical field of self-repairing of antifouling coatings and discloses sustained-release silicone oil hydrogel and application thereof in marine antifouling coatings. Themonomers for preparing the hydrogel shell comprise acrylamide, N-hydroxymethyl acrylamide, N-isopropyl acrylamide and alkyl propionate or acrylate. The preparation method of the sustained-release silicone oil hydrogel disclosed by the invention is simple, feasible, high in safety and capable of realizing industrial production, and has great development potential. When applied to the marine antifouling coatings, the sustained-release silicone oil hydrogel is capable of improving the compatibility of the methyl silicone oil and other components of the coating, controlling the release rate of the methyl silicone oil in the coating and prolonging the validity of the effect of the methyl silicone oil, and contributes to maintaining the microstructure of the coating having the antifouling function, and the technical defects of the conventional methyl silicone oil application technology are overcome.

The invention discloses an integrated wear-resistant superamphiphobic coating and a preparation method thereof. The modified silica (titanium dioxide) particles and a modified base material (such as polytetrafluoroethylene, polystyrene, ethylene propylene diene monomer and polyurethane) undergo a cross-linked polymerization reaction. Through chemical grafting copolymerization reaction connection, organic and inorganic materials have better compatibility. Through shear dispersion, micron- and nano-structure superamphiphobic micro-nano-spheres are obtained by copolymerization of nano-modified particles (functional modified particles such as silica and titanium dioxide particles) and micron-sized base materials (functional base materials such as polytetrafluoroethylene, polystyrene, ethylene propylene diene monomer and polyurethane). The preparation method greatly improves the adhesion between the coating and the base. The coating has strong durability.

The invention discloses a feedforward control combustion adjustment method based on temperature field prediction of a combustion region. The method comprises the following steps: (1) establishing a physical model of a combustor and a hearth combustion region for a specific boiler by means of modeling software; (2) selecting a reasonable mathematic model and setting corresponding boundary conditions; (3) calculating numerical values; (4) correcting the calculated results; (5) summarizing the calculated results and paralleling the calculated results with input variables to establish a training database of a prediction model; (6) carrying out neural network training on data of the database by means of MATLAB to obtain a prediction model; (7) inputting expected operating parameters of the combustor to obtain a prediction temperature field; (8) summarizing prediction rules to form a set of combustion optimization schemes which meet safe and economical operations of a coal-fired power plant at the same time; and (9) adjusting the needed temperature field of the combustion region according to the optimization schemes. The method is characterized in that feedforward adjustment of the temperature field of the combustion region is achieved, so that safety and energy conservation of a unit are facilitated.

The invention discloses a composite PE (Polyethylene)-PPR (Poly Propylene) toughening pipe and a preparation method thereof, and belongs to the field of water supply pipes. The composite PE-PPR toughening pipe comprises three layers, wherein the inner layer is a heat-resistant and anti-bacterial PE layer; the middle layer is a light-blocking PPR layer; the outer layer is a toughening PPR layer; extrusion molding is realized through a tri-extruder. The composite PE-PPR toughening pipe disclosed by the invention has a long-acting broad-spectrum anti-bacterial function; compared with a traditional PPR pipe, the cold brittleness of a pipe is remarkably improved.

The invention discloses a bio-fertilizer applicable to cultivation of bletilla striata. The bio-fertilizer is prepared by mixing cow dung and sawdust, subjecting the obtained mixture to high temperature fermentation by bacillus subtilis for 3 to 10 d, adding a rapeseed cake, ammonium chloride, potassium nitrate and sodium dihydrogen phosphate into a product obtained after fermentation, carrying out uniform mixing under stirring, and carrying out normal temperature stirring fermentation by Trichosporon capitatum for 3 to 6 d. According to the invention, a great amount of oil and starch substances in the rapeseed cake are made to full use to provide a great number of carbon sources for the Trichosporon capitatum, so conversion of inorganic nitrogen in the fertilizer into organic nitrogen is substantially promoted, which is beneficial for improving the quality of bletilla striata; and high temperature is employed for decaying a great number of weed seeds in the cow dung, and high temperature fermentation can effectively prevent the situation of root burning of bletilla striata and benefits rapid deodorization of the cow dung.

The invention provides a fertilizer synergist containing amino acid and preparation method of the fertilizer synergist. The synergist contains 10-12% of humic acid, 20-35% of klinitamin, 0.02-0.04% of zinc, and 0.01-0.02% of boron; the ammonia volatilization inhibition rate is over 10%, and the phosphorus fixed rate is declined by at least 20%. The fertilizer synergist containing amino acid is featured by promoting growth of crops root, improving the root activity, significantly increasing the crops output, improving the fertilizer utilization rate, protecting environment, supplementing soil trace elements and others; the preparation method is simple in process, wide in raw material source, easy to operate and low in cost, and others.

The invention discloses a polystyrene abrasion-resistant integrated ultra-hydrophobic coating and a preparation method thereof. Polystyrene is modified, nano-silica particles modified by a crosslinking agent (polytetrafluoroethylene), a modifying agent and KH792 are added into the modified polystyrene, and the materials are mixed to form a superamphiphobic coating having high hardness, good wear resistance, strong binding force and a micron polystyrene-nano-silica structure. The polystyrene in an emulsion state and silica in a gel state are block-crosslinked so that the nano-silica and micron polystyrene are re-constructed and thus coating wear resistance is significantly improved. Through the bonding reaction between polystyrene and silica, each monolayer of the micron polystyrene-nano-silica structure has a good binding force to other layers. Each structure has superamphiphobic performances, greatly improves coating wear resistance, can be integratedly prepared and subverts and breaks through polystyrene wear resistance in theory.

The invention discloses an ecological indoor air purifying device and method. The ecological indoor air purifying device comprises a main body, wherein a pool body serves as the main body and comprises the following four parts: an air scavenging pump, an air distribution system, a water-scrubbing air purification unit and a wetland-ecosystem air purification unit; the air distribution system is positioned at the bottom of the water-scrubbing air purification unit and connected with the air scavenging pump; the water-scrubbing air purification unit is filled with tap water; a bottom stainless steel orifice-plate bearing plate, a wetland quartz sand substrate layer, a wetland carbon fiber woven substrate layer, a wetland diatomite substrate layer and wetland plants are sequentially arranged in the wetland-ecosystem air purification unit from bottom to top; the bottom stainless steel orifice-plate bearing plate is positioned at the top of the water-scrubbing air purification unit; and the root systems of the wetland plants are positioned in the wetland quartz sand substrate layer. The ecological indoor air purifying device disclosed by the invention is simple in structure, flexible to construct and convenient to maintain, and can be adopted in both the southern and northern areas; the ecological purification of indoor air can be achieved; the construction cost is low; the running cost is low; the long-term effect is good; and the landscape effect is good.

The invention discloses a Bluetooth headset based on simultaneous interpretation and a simultaneous interpretation system using the same. The headset comprises a body; the body is provided with a first key, and the body is internally provided with a master control circuit, a play circuit, a communication circuit and a power circuit which provides power for the master control circuit, the play circuit and the communication circuit; the mater control circuit is respectively connected with the play circuit, the communication circuit and the power circuit; the communication circuit comprises an antenna and a Bluetooth module connected with the antenna; and after the master control circuit receives an operation instruction of the first key, the master control circuit controls the communication circuit to transmit a simultaneous interpretation instruction, and after the communication circuit receives interpretation information, the master control circuit controls the play circuit to play the interpretation information. According to the Bluetooth headset based on the simultaneous interpretation and the simultaneous interpretation system using the same provided by the invention, by setting the first key, the master control circuit can control the communication circuit to transmit the simultaneous interpretation instruction according to an operation on the first key, thereby reducing the cost of the headset and guaranteeing the long-term effect of the simultaneous interpretation.

The invention provides a long-acting antibacterial anti-contamination waterproof interior wall coating composition. The composition mainly consists of the following components in parts by weight: 35.0-40.0 parts of film forming material, 0.4-0.6 part of freeze thawing stabilizer, 35.0-40.0 parts of pigment filler, 5.0-7.0 parts of coating additive, 2.0-5.0 parts of nano filler and acceptable amount of water, wherein the film forming material is water-based fluorocarbon resin emulsion containing a functional group capable of stabilizing complex silver ions; the freeze thawing stabilizer is long-chain ethylene oxide (EO) block fatty alcohol-polyoxyethylene ether; and the total content of VOC (volatile organic compounds) in the composition is not greater than 0.01wt% based on the total weight of the composition.

The invention discloses biological organic fertilizer suitable for blueberry plantation. 40-80 parts of cow dung and 10-30 parts of sawdust are mixed and then are fermented by bacillus subtilis at a high temperature for 3-10 days, 20-50 parts of rape dreg cake is added into the fermentation product, a small amount of urea, potassium sulfate, disodium hydrogen phosphate and sodium selenite are added into the mixture, and the mixture is uniformly stirred and fermented by saccharomyces cerevisiae at a normal temperature for 3-6 days so that a finished product is obtained. Through use of a large amount of weed seeds in high temperature decayed cow dung and high temperature fermentation, burnt blueberry root is effectively prevented and cow dung odor is fast removed. Through secondary fermentation, a urea substance loss is avoided in high temperature fermentation, efficiency of conversion of inorganic nitrogen into organic nitrogen is improved, and fertilizer long residual action is guaranteed. Through use of a large amount of organic matters such as cow dung, sawdust and rape dreg cake containing a large amount of cellulose, a soil structure is improved and blueberry root rapid growth is promoted.

The invention relates to an adjustable-flow independent drip irrigation method for plantlets, which includes: laying a circular drip irrigation container around each plantlet; using an external water source to fully fill each independent circular drip irrigation container through a water injection hole on the circular drip irrigation container; and adjusting adjustable flow droppers at the bottom of each circular drip irrigation container to perform drip irrigation for the plantlets. The adjustable-flow independent drip irrigation method for plantlets is mainly intended for the need of plantlet watering and is highly targeted. The flow is adjustable in drip irrigation, so that water is saved. The method is simple and convenient in operation, skills are easy to master, transplant survival rate and storage percentage of the plantlets can be increased, and water and labor cost can be saved.

The invention discloses a deceleration strip with fluorescent display strips, and belongs to the field of public facilities. The deceleration strip is composed of a deceleration strip rubber body and the fluorescent display strips capable of being embedded in the deceleration strip rubber body. Rubber body installation holes are formed in the rubber body, the cross section is of an arc-shaped structure of a traditional rubber deceleration strip, grooves where the fluorescent display strips are installed are formed in the deceleration strip rubber body, the number of the grooves, where the fluorescent display strips are installed, in the deceleration strip rubber body is four, the grooves are symmetrically and evenly distributed with respect to the center line of the cross section of the deceleration strip cross section, the cross section of each fluorescent display strip is in a T shape, the size of the shape of the cross section of each fluorescent display strip is optimized to be 20mm in total height, 10mm in lower portion width and 13mm in lower portion height, and the upper portions of the fluorescent display strips are of horn mouth structures with 90-degree central angles. Fluorescent powder used in the fluorescent display strips are photoinduced energy-stored type rare earth aluminate type fluorescent powder. Thedeceleration strip has the advantages that thedeceleration strips installed on the deceleration lamp can emit light at night, and traffic accidents, caused by the fact that lamplight does not exist, to pedestrians by the deceleration strip are avoided.

The invention provides a long-acting antibacterial water-resistant environment-friendly inner wall putty composition which mainly comprises the following components in part by weight: 15.0-20.0 parts of emulsion, 0.4-0.6 part of freeze-thawing stabilizer, 35.0-40.0 parts of filler, 2-5 parts of auxiliary agent, 1.0-1.5 parts of anion antibacterial additive and acceptable amount of water, wherein the emulsion is acrylic acid copolymer emulsion containing a functional group capable of stably complexing with silver ion; the freeze-thawing stabilizer is long-chain epoxyethane (EO) block fatty alcohol polyoxyethylene ether; and based on the total weight of the composition, the total content of volatile organic compounds (VOC) in the composition is not higher than 0.01wt%.

The invention discloses a screen turning mechanism, which is characterized by comprising a rotating shaft and a motor, wherein the rotating shaft is connected with a screen; the motor is connected with the rotating shaft for transmission; an electromagnetic damping loop capable of forming a closed circuit with the motor only when the motor is in a power-off state is connected onto the motor; the rotating shaft is also connected with an elastic mechanism; when the motor is electrified, the rotating shaft is driven to rotate to unfold the screen; the rotating shaft drives the elastic mechanism to generate elastic deformation to perform energy storage; when the motor is powered off, the elastic mechanism releases the stored energy to drive the rotating shaft to rotate for withdrawing the screen. The screen turning mechanism has the advantages that the structure is simple and compact; the occupied size is small; the working life is long; the elastic component is used for realizing the goal of automatically withdrawing the screen during the power off; in addition, in the withdrawal process, the electromagnetic damping is used for decelerating the turning speed, so that the screen can be gently withdrawn; the screen damage due to too fast action is avoided.

The invention is concerned with a sustained and controlled release agent of Jingangteng, relating to quick release part and controlled release part, Jingangteng total saponins, total flavonoids in 1 to 10 weight shares, sustained and controlled release assistant stuff in 20 to 200 weight shares. It reduces the times of giving medicine and enhances the adaptability of user. It has better effect to maintain the even concentration of blood and medicine inside of body and keeps the stability and long residual action of the sustained and controlled release medicine with easy using. It avoids the large undulation to concentration of medicine in blood to the common agent and the 'peak and paddy ' phenomena, thus it reduces the side effect produced by the higher concentration of blood and medicine, and it overcomes the limitation that when the concentration is too lower than the cure concentration and ensures the cure. It clears away the heat-evil and expels superficial evils to detumescence and lump softening for curing adnexitis, inflammatory masses and gynecologic inflammatory diseases.