143results about How to "Pollution resistant" patented technology

The invention discloses a high-performance flat plate type cellulose acetate / nano-titanium dioxide blended forward osmosis membrane, which is prepared by comprising the following steps: adding the following raw materials in percentage by weight: 7.0%-26.0% of cellulose acetate, 2.0%-16.0% of additives, 0.1%-5.0% of nano-titanium dioxide, 0.05%-0.1% of graphene, and a dimethylformamide or dimethylacetamide, N-methylpyrrolidine and acetone mixed solvent into a dissolving tank according to certain sequence, stirring and dissolving for 3-15h to be full and even at 25-90DEG C, thus obtaining blended forward osmosis membrane casting liquid; and preparing the high-performance flat plate type cellulose acetate / nano-titanium dioxide blended forward osmosis membrane on a supporting material by using a phase conversion method. According to the prepared forward osmosis membrane, 1M NaCl and deionized water are respectively taken as driving liquid and feed solution, the flux of pure water can reach more than 17.5L / m<2>.h during testing time of1h and the backward salt flux is less than 3.0g / m<2>.h.

The invention discloses a cellulose acetate / nano titanium dioxide mixed media hollow fiber positive osmotic membrane. 0.05-4.0% (w / w) of nano titanium dioxide and 0.01-1.0% (w / w) of oxidized graphene are added into a solution composed of N-methyl-pyrrolidone or dimethylacetamide or dimethylformamide and 1,4-dioxane, 3.0-21.0% (w / w) of additives is added, uniform stirring is carried out for 5-60min, then 15.0-40.0% (w / w) of cellulose acetate is added, full stirring is carried out at a temperature of 20-70 DEG C, the mixture is allowed to stand, and a hollow fiber positive osmotic membrane is obtained through spinning. The osmotic membrane employs 1M of NaCl as a drive liquid and deionized water as a raw material liquid, the water flux is 16.5L / m2h, the reverse salt flux is less than 3.5g / m2h, and the contact angle is 60.2 degrees in test time of 1h.

The invention discloses a cellulose acetate / functionalized graphene mixed media hollow fiber positive osmotic membrane. 0.05-3.0% (w / w) of graphene is added into a solution composed of N-methyl-pyrrolidone or dimethylacetamide or dimethylformamide and 1,4-dioxane, 2.0-20.0% (w / w) of a polyethylene glycol or polyvinylpyrrolidone / lithium chloride composite additive with a volume ratio of 7:1 is added, stirring is carried out for 15-60min, then 10.0-35.0% (w / w) of cellulose acetate is added, stirring is carried out, the mixture is allowed to stand, and a casting film solution. The casting film solution is squeezed into an annular gap of a nozzle, goes through an air gap of 2-20cm, and goes into deionized water with a temperature of 20-60 DEG C, solidification is carried out, and a positive osmotic membrane is obtained after washing. When 1M of NaCl is employed as a drive liquid and deionized water is employed as a raw material liquid, the water flux is 18.3L / m2h, the reverse salt flux is less than 3.3g / m2h, and the contact angle is 57.5 degrees.

The invention discloses a construction method for reinforcing and repairing an integral wall of ancient architecture. The construction method comprises the steps of site survey and work preparation, wall foundation reinforcement, wall surface treatment, wall reinforcement and wall maintenance. The construction method is simple and easy to implement, scientific and convenient, and has the advantages of fast construction progress, low construction cost, high working efficiency and wide application range. According to the principle of 'repairing the old as the old', the cultural relic value of ancient architectural elements is kept, only damaged parts are repaired and reinforced, and the whole wall does not need to be replaced. The ancient architecture wall is priceless in cultural relic value. By using the method, original parts can be kept when the ancient architecture wall is damaged and loses bearing capacity, and a bearing function is recovered; the method conforms to the principle of 'repairing the old as the old', and is of great significance to the protection of the national cultural relics.

The invention discloses an all-solid low-energy-curing matte UV (ultraviolet) coating for a PVC (polyvinyl chloride) plastic and a preparation method for the UV coating. The coating contains the following components: 25-30% of special modified acrylic resin, 5-10% of urethane acrylate, 20-25% of high-functionality active monomers, 20-25% of a reactive diluent, 2-5% of a photoinitiator 1, 1-4% of a photoinitiator 2, 3-6% of a photoinitiator 3, 0.3-1.0% of a dispersant, 5-10% of extinction powder, 0.5-1.0% of wax powder, 0.1-0.5% of a defoamer and 0.1-0.5% of a leveling agent. The UV coating does not contain a solvent and can be cured to form a low-luster, high-scratch-resistant and pollution-resistant paint film only by 150-200 mj / m<2> of UV energy; and the UV coating is applied to soft PVC and can enable a base material not to be thermally damaged in a curing process, so that the application range of the UV coating is greatly expanded.

The invention discloses an ice coating prevention power transmission cable paint for a power transmission cable and a preparation method thereof. The ice coating prevention power transmission cable paint is prepared from nanoscale inorganic particles, a silane coupling agent, a wetting dispersant, a leveling agent, a thickener, fluorine-modified acrylic resin and a solvent; and by using the solvent as the base, the components are respectively 1 to 5 percent, 1 to 3 percent, 1 to 5 percent, 0.1 to 0.5 percent, 1 to 3 percent and 2 to 7 percent of the solvent in percentage by weight. The preparation method of the ice coating prevention paint for the power transmission cable comprises the following steps: firstly, uniformly dispersing the nanoscale inorganic particles, the silane coupling agent and the wetting dispersant into the solvent by utilizing mechanical stirring and ultrasound; then adding the leveling agent, the thickener and the fluorine-modified acrylic resin into the mixed solution; and uniformly dispersing each component by utilizing mechanical stirring and ultrasound. After the ice coating prevention paint for the power transmission cable is coated on the power transmission cable, the power transmission cable has functions of staining resistance and ice coating prevention.

The invention discloses a preparation method of a modified mesoporous silicon-aluminum material. The modified mesoporous silicon-aluminum material has a pseudo-boehmite physical structure. The anhydrous chemical formula of the material by the weight of oxides is (0-8)P2O5(0-0.1)Na2O*(20-30)SiO2*(70-80)Al2O3(0-1.0)RE2O3. The specific area is 200 to 500 m2 / g, and the pore volume is 0.5 to 1.5 mL / g. The preparation method comprises the following steps: step one, adding a low-concentration aluminum source into a silicon source solution, controlling the pH in a range of 10.3 to 10.8, and carrying out stationary aging for 0.5 to 3 hours; step two, adding phosphor-aluminum gel and a high-concentration aluminum source into the previous solution according to a certain ratio, and controlling the pH in a range of 3.4 to 3.8; step three, adding a rare earth solution according to a certain ratio; step four, adjusting the pH of the previous slurry to 8.0-9.0 by an alkaline solution; step five, filtering the slurry, and washing the solids by deionized water and ammonium salt. The provided modified mesoporous silicon-aluminum material can be used as the carrier of FCC catalyst, has a proper pore volume and acidic property, and is capable of performing pre-cracking on macromolecular raw oil. RE2O3 exists in a deposited state of oxides and can prevent the metal pollution, so the provided material can improve the heavy oil cracking performance of FCC catalyst, moreover, the hydrothermal stability of FCC catalyst is good, and the coke selectivity is excellent.

The invention discloses a waterborne fluorocarbon texture coating and a preparation method and application thereof. The coating comprises the following components in part by weight: 141 to 180 parts of fluorocarbon emulsion, 5 to 12 parts of film-forming aid, 5 to 6 parts of cosolvent, 80 to 100 parts of water, 1 to 2 parts of antifoaming agent, 3 to 6 parts of disinfectant, 1 to 3 parts of mildew preventive, 2 to 3 parts of pH regulator, 5 to 10 parts of thickening agent, 600 to 1,000 parts of color sand, and 0 to 89 parts of sheet. The preparation method comprises the following steps of: under the stirring at a high speed, adding the film-forming aid, the cosolvent, the antifoaming agent, the disinfectant, and the mildew preventive in turn, stirring at the high speed and reducing the stirring speed; adding the fluorocarbon emulsion, regulating the pH value, and regulating the viscosity by using the thickening agent to obtain pulp; stirring the pulp at a low speed, adding the color sand and sheet, and mixing to obtain the waterborne fluorocarbon texture coating. The waterborne fluorocarbon texture coating applied to a coated outer wall surface has good protection functions of water resistance, weather resistance, smudge resistance, and the like, and makes the wall surface have elegant, harmonious and serious aesthetic feeling.

The invention discloses a super-hydrophobic porous membrane as well as a preparation method thereof. A micro molding technology and a phase separation technology are combined, a membrane scraping bottom plate on which a membrane casting solution is scraped is placed in a water bath at the preset temperature for phase separation membrane formation, a formed membrane material is stripped, and the super-hydrophobic porous membrane is obtained. The membrane scraping bottom plate is a grooved soft template produced with a reverse mold process, the super-hydrophobic porous membrane produced throughthe grooved soft template comprises micron-size surface bulges which are consistent in size and arranged regularly, and the distance between adjacent surface bulges is micron-sized. The surface morphology of the membrane material is reconstructed, the super-hydrophobic porous membrane with multiple scales is prepared while additional modifiers are not added, and the super-hydrophobic porous membrane can be applied to a membrane distillation technology, has the advantages of high hydrophobicity, pollution resistance, wetting resistance and the like and thus has high salt resistance, and a novelmembrane production technology is provided for industrialization of membrane distillation and is low in cost and prone to mass production.

The invention discloses a refrigerator and a door body thereof. The door body of the refrigerator comprises an inner plate, a glass panel, a foaming layer and decorative strips, wherein the glass panel comprises a glass plate and a composite film, the composite film is provided with a transparent first adhesive layer, a metal layer, a polyester (PET) film, a first printing layer and a protective layer which are superposed, the metal layer, the PET film and the first printing layer are arranged between the first adhesive layer and the protective layer, the metal layer is arranged on the surface of the PET film, the first printing layer is arranged between the PET film and the protective layer, and the composite film is connected to the surface of the glass plate, which is opposite to the inner plate, through the first adhesive layer; the foaming layer is arranged between the inner plate and the glass panel; and the decorative strips are arranged along the outer circumference surfaces of the inner plate, the glass panel and the foaming layer so as to close the inner plate, the glass panel and the foaming layer. The door body of the refrigerator has a realistic metal appearance effect.

The invention relates to an intelligent alarm rain gauge, which comprises a rain gauge, an alerter and a measuring cylinder, wherein the lower part of the measuring cylinder is provided with a water drain valve and a pressure sensor; the pressure sensor is connected with the alerter and is installed on a fixed seat, and the pressure sensor is connected with the alerter through a cable; and the alerter comprises a case, an LED (Light-Emitting Diode) display screen installed on the case, and a control circuit installed in the case. The intelligent alarm rain gauge has the advantages of simple structure, small size, no pollution, light weight, long service life and low standby power consumption and can not be polluted or corroded by dust, greasy dirt, moisture, salt mist and the like. The intelligent alarm rain gauge has the characteristics of simplicity in installation, convenience in maintenance and more humanized operation, and the intelligent alerter can be externally connected with a simple rain gauge or tipping-bucket rain gauge. A communication mode adopts standard RS485 communication. The intelligent alarm rain gauge also has the advantages of stable running, high reliability, high compatibility, high accuracy of measured values, small temperature drift and small influence from environmental factors.

The invention relates to a sensor, in particular to a pressure detection sensor. The pressure detection sensor adopts the technical proposal that a connecting sleeve is arranged on a base. The pressure detection sensor is characterized in that a non-magnetic conductive elastic membrane is arranged on a joint of the base and the connecting sleeve; the upper part of the connecting sleeve is provided with an output cavity and the lower part of the connecting sleeve is provided with a collecting cavity; a linear programmable Hall device is arranged inside the output cavity; a magnetic steel which can be driven by the non-magnetic conductive elastic membrane to move up and down in the collecting cavity is arranged inside the collecting cavity; and the lower end of the magnetic steel contacts the non-magnetic conductive elastic membrane, and the upper part of the magnetic steel is provided with an elastomer which is used for making the lower end face of the magnetic steel contact the non-magnetic conductive elastic membrane. The pressure detection sensor can improve the reliability and the stability of the product.

The invention discloses a method for recycling and comprehensively utilizing reverse osmosis concentrated water produced after treatment of coking wastewater. In the steel industry, a widely used reverse osmosis process in a coking wastewater treatment technology can produce 70% of high-quality effluent and 30% of reverse osmosis concentrated water. Pollutants in water are intercepted and concentrated by a reverse osmosis membrane, but the pollutants are not removed, so the pollutants are completely concentrated in the reverse osmosis concentrated water. According to a traditional treatment method for reverse osmosis concentrated water produced after treatment of coking wastewater, reverse osmosis concentrated water is used as slag washing water in the iron and steel industry, and toxic and harmful substances can be volatilized under the action of high temperature, which causes conversion of water pollution into gas pollution and leads to a severe environment of a working site. According to the invention, a combined process of pretreatment (bi-alkali softening, advanced oxidation and ultrafiltration)-electrodialysis-reverse osmosis-bipolar membrane electrodialysis is innovatively adopted to realize zero discharge of coking wastewater.

The stone imitation outer wall using big particle blended granite slab tailing processing comprises the optimal combination of tailing, clay, talcum powder, china clay, adding dry mixing pigment and artificial big particle for dry mixing, forming, furnishing, and high temperature burning after adequate broken mixing and color tuning spray granulation. It is environment friendly, economical, strong strength, resistant to contamination and acid, with simple process, convenient operation and mimic granolithic stone.

The invention relates to the field of an indoor decorative material and specifically relates to a sanding-free high-pressure decorative panel for cladding and a production method thereof. The sanding-free high-pressure decorative panel comprises a sanding-free base plate and a decorative layer, wherein the decorative layer is arranged on the sanding-free base plate; the sanding-free base plate is made of kraft paper which is soaked in thermoset modified melamine resin and then coated with a sanding-free release agent on the back; the decorative layer is formed according to the steps of soaking the decorative paper in thermoset melamino-formaldehyde resins, drying and then coating the thermoset melamino-formaldehyde resins; the sanding-free base plate and the decorative layer are once molded and formed under the conditions of high temperature and high pressure. The decorative panel provided by the invention can be heated, coats an irregularly shaped wood substrate and then can be molded; sanding is not required; the sanding-free high-pressure decorative panel has the characteristic of bending radius less than or equal to 0.7mm, is fit for precision machining of decorative panel with radian requirements on later corner and edge sealing and has the advantages of fire resistance, water resistance, moisture resistance, dry heat resistance, impact resistance, pollution resistance, corrosion resistance, scraping resistance, ageing resistance, beautiful appearance, durability, high size stability, high bonding strength and zero pollution of organic solvents including benzene in paint.

The invention relates to a floor board with environment-friendly, waterproof and flame-retardant functions and a preparation method thereof, and the floor board solves the technical problems that the current floor board is poor in flame resistance, poor in water resistance, easy to deform and crack, and not environmentally-friendly. The floor board comprises the following components in parts by weight: 30-35 parts of CPE, 10-20 parts of EVA, 40-50 parts of PVC, 12-20 parts of activated calcium carbonate powder, 0-2 parts of a lubricant and 0-1 part of OA6. The floor board with environment-friendly, waterproof and flame-retardant functions and the preparation method thereof are widely used for floor boards and preparation methods thereof.

The invention discloses a water-based pollution-resistant reflective thermal insulation coating and a preparation method thereof. The coating is prepared from an emulsion, nano-particles, polybenzimidazole, sodium tetraborate, hydroxyethyl cellulose, inorganic nonmetallic compounds, a reflecting material, a filling, a dispersing agent, a flexibilizer, a binder, glycol and deionized water. The preparation method comprises the steps of firstly mixing deionized water with the dispersing agent, heating in a warm water bath, sequentially adding the nano-particles, the inorganic nonmetallic compounds and a reflecting pigment, uniformly stirring, sequentially adding the emulsion, the hydroxyethyl cellulose, polybenzimidazole and sodium tetraborate, stirring, continuing to add the filling and glycol, finally adding the flexibilizer and the binder, and uniformly stirring. The coating disclosed by the invention has the properties of pollution resistance, high temperature resistance, reflectivity and the like as well as excellent adhesive force and scrubbing resistance, is high in tensile strength and elongation at break, good in decoration effect and low in construction cost and maintenance cost, and scars are unlikely to be formed; and the coating prepared from the environment-friendly raw materials is environmentally friendly and healthy.

The invention discloses a detection sensor and a detection method for an angle of a rocker arm of a coal cutter. The sensor includes a base, a base top cover and a rocking bar; the base is connected with a revolving shaft, and the rocking bar is fixedly connected with the revolving shaft; one end of the rocking bar that is not fixedly connected with the revolving shaft is connected with a connection base; the top of the revolving shaft is provided with circular magnetic steel; the top of the base top cover is connected with a sensor protective shell; an inner cavity of the sensor protective shell is a circuit board installation cavity and a sensor circuit board is installed in the circuit board installation cavity; the sensor circuit board is integrated with a sensor circuit; and the sensor circuit includes a microprocessor module, a power supply module, a communication module, an angle sensor, and a display module. The method includes the following steps: 1. installing the sensor; and2. detecting the angle of the rocker arm of the coal cutter. The sensor is novel and reasonable in design, is convenient to implement, is good in work stability and reliability, is strong in anti-interference capability, is high in detection precision, provides guarantee for realization of automatic height adjustment of the coal cutter, is strong in practicability, and is convenient for popularization and usage.

The invention discloses a silicon-abicin watercraft external wall emulsion paint that includes soft water 15-20%, carboxy modified starch 0.15-0.25%, organic amine 0.2-0.3%, ethylene glycol 1-1.5%, titanium dioxide 20-25%, polyacrylic acid silicone grease 30-40%, organic silicon 3-5%, calcined kaolin 4-8%, mica powder 8-10%, and coarse whiting 5-6%. The invention has advantage of water resistance, alkali resistance, pollution resistance feature and could be fully washed.

The present invention relates to one kind of composite solid timber board with one toughened layer and its production process, and belongs to the field of timber processing technology. The composite solid timber board includes one facing layer, one base layer and one bottom layer. The facing layer includes one antiwear layer, one decorating layer, one quartz fiber layer and one dacron fiber layer adhered successively from top to bottom; the base layer is made of timber; and the bottom layer is one balance paper layer, single sheet or fiber board. The composite solid timber board has high strength, high impact toughness, stable size, high wear resistance and low production cost. It ma be applied widely as indoor building material.

The invention discloses jean-pollution-preventing PVC artificial leather. According to a formula, a base layer comprises the following raw materials in parts by weight: 50-70 parts of PVC resin, 50-80 parts of a plasticizer, 2-10 parts of a low-volatile stabilizer, and 8-15 parts of pigment; water-based oil paint covers the surface of the base layer, according to a formula, the water-based oil paint comprises the following raw materials: 70-80 parts of water-based polyurethane modified resin and 8-20 parts of auxiliaries. The PVC artificial leather disclosed by the invention can be applied to an automobile trim material, has the features of being capable of preventing pollution and easy to clean, in particular jean indigo dye basically cannot pollute the surface, the slight pollution can be cleanly washed by using clean water or common 0.5% soapy water, an existing demand on pollution preventing of the light color trim material is satisfied.

The invention discloses a sand wall sand textured architectural coating. Firstly, 18.075 percent of water and 1.5 thousandths of thickening agent are added into a stirrer to be uniformly stirred; then 12 percent of agglomerant is added into the stirrer to be uniformly stirred at high speed; 5 thousandths mixed auxiliary agent is also added into the stirrer to be uniformly stirred at low speed, and then 50 percent of color sand is added into the stirrer to be uniformly stirred at high speed; finally, 1 thousandth of mildewcide is added into the stirrer to be uniformly stirred till the mildewcide is completely mixed with the materials inside the stirrer, and the materials are discharged to be encapsulated so as to obtain finished products, wherein each stirring time is 5-10 minutes. The invention has the advantages of high rigidity, rich texture, economy cost, fire prevention, water prevention, acid andalkali resistance, pollution resistance, innocuity, insipidity, strong bonding force, fast color, good adhesive force and freeze thawing resistance.

The invention discloses a gravure printing and plate making method for decorative paper, wherein a plate roller for making patterns with depth of 6.0-8.0 microns is used for printing negative patterns with a matte paint and printing positive patetrns with a bright paint; and a coherent and incoherent method is adopted according to characteristics of the patterns. According to the gravure printing and plate making method for the decorative paper, after printing is finished, because of diffuse reflection of light rays in the matte paint, some characteristic parts, such as a duct, scarred joints and cracks in wooden patterns look deeper; however, because the bright paint has mirror reflection to the light rays, the other parts of the wooden patterns look brighter and more outstanding and a dual stereo effect in vision and touch are reflected; thus, decorative attractiveness of a stereo effect of a finished product is increased and a highly-emulational purpose of the decorative paper is achieved; due to adoption of a dual-layer paint, the decorative paper has a plurality of surface resistances, such as abrasion resistance, pollution resistance and solvent resistance.

The invention provides a preparation method of coating for a building outer wall. The preparation method comprises the following steps: performing the modification reaction on acrylic elastic emulsion, fluorine-carbon emulsion, polydimethylsiloxane and graphene, then adding a mould-proof algae-control agent, an anti-insect additive, microporous calcium carbonate, modified attapulgite clay, glass beads, high-viscosity attapulgite clay, nano zinc oxide, nano titanium dioxide, a defoaming agent, and a film forming agent, sufficiently and uniformly mixing and dispersing, thus obtaining the coating. The preparation method of the coating for the building outer wall is simple in process, safe and pollution-free; and the prepared coating is not only resistant to abrasion, water, aging and pollution, but also is good in adhesion and mould-proof and anti-insect effect and suitable for popularization and application.

The invention discloses a coated veneer and a manufacturing method thereof, belonging to the field of building decorative materials. According to the coated veneer, the lower surface of a veneer (2) is coated with a common adhesive to form a common adhesive layer (3); the upper surface of the veneer (2) is coated with a common adhesive containing a wear-resisting material to form a wear-resisting adhesive layer (1), wherein the common adhesive layer (3) is formed by at least one of melamine resin and urea formaldehyde resin; the wear-resisting adhesive layer (1) is formed by adding a wear-resisting material, namely aluminum oxide or silicon carbide, into at least one of the melamine resin and the urea formaldehyde resin; the weight ratio of the wear-resisting material to the adhesive is (2-5) to 10; the common adhesive layer (3) of the lower surface of the coated veneer is 20g / m<2>-50g / m<2>; the wear-resisting adhesive layer (1) on the upper surface is 40g / m<2>-80g / m<2>; the thickness of the coated veneer is 0.05mm-1.2mm; and the coated veneer is dried at the temperature of 70-100 DEG C and at the air speed of 20%-60% for 10-15 minutes until the curing degree reaches 35%-55%. The coated veneer disclosed by the invention has good wear resistance, firing resistance and pollution-resisting performance and is easy to mange; and the fine and smooth feeling and the definition of wood textures are strong and the application prospect is wide.

The invention discloses a wall of a light steel structural house. The wall is divided into an inner wall and an outer wall, wherein the inner wall is composed of gypsum boards, wall surface OSBs and alight steel keel, with the light steel keel as a bearing framework, the two sides of the light steel keel are each provided with one wall surface OSB, and the gypsum boards are located on the outermost layers; the outer wall is composed of a gypsum board, one wall surface OSB, a light steel keel, the other wall surface OSB, an insulating layer, a ventilation layer and an outer wall hanging platefrom inside to outside. The middle of each light steel keel is filled with a heat preserving and insulating material, a wood keel is arranged in the middle of the ventilation layer, breathing paper isattached to the surface, close to the insulating layer, of the ventilation layer, and all layers of the inner wall and the outer wall are connected together by cold-rolled steel nails from the two sides in a fastened mode. The wall is low in weight and good in wind and quake resistance, has good features of heat preserving and insulating, sound insulating, fire resistance, moisture prevention, corrosion prevention and the like, and can be widely applied to office buildings, villas, storehouses, stadiums, entertainment venues and tourism buildings.

The present invention relates to an aqueous magical color art coating material preparation method, wherein the aqueous magical color art coating material comprises a binder (a styrene-acrylate emulsion, a polyvinyl acetate emulsion), a dispersant (an aqueous fabric dewatering slurry), a pigment (iron oxide, pearl mica powder), a stabilizer (an aqueous solution modified paraffin, propylene glycol), a color particle forming agent (a modified polyvinyl alcohol solution), a thickener (compounding of hydroxyethyl cellulose and bentonite), a suspending agent (a SH white printing paste), and a defoamer (tributyl phosphate). The aqueous magical color art coating material has beneficial effects of environmental protection, durability, stain resistance, no toxicity, fire resistance and the like.

The invention relates to a method for manufacturing a high-stability solid wood composite floor by odd-even-symmetry assembling. The manufacturing method comprises the following steps: (1) preparing a base material, namely selecting a wood veneer of which the water content is 6% to 12%, and sequentially carrying out glue distribution, assembling, cold pressing and hot pressing to obtain the base material, wherein the assembling adopts an 'odd-even-symmetry' mode, specifically, odd layers adopt wood veneers which all are the same in factors, even layers adopt the wood veneers which all are the same in factors, and the factors include water content, texture, varieties of trees and thickness; (2) coating the surface; (3) forming a mortise; (4) coating and decorating the surface; and (5) sealing edges. The high-stability solid wood composite floor manufactured by the method provided by the invention is low in formaldehyde emission, uniform in water content, good in size stability, excellent in waterproofness, stable in effects and capable of effectively solving deformation problems such as dry shrinkage and wet expansion of the floor.

The present invention provides a surface decorated wood-based panel with a dermatoglyph paper impregnated thermosetting resin, and a production method thereof. The method comprises: assembling a dermatoglyph stainless steel template and a buffer cushion into a single layer hot pressing machine, and placing the buffer cushion between the hot pressing plate of the hot pressing machine and the dermatoglyph stainless steel template to form a wood-based panel slab; carrying out transfer operation on the substrate by using a plurality of vacuum suction disks, and carrying out gas blowing dust removing and anti-plate overlaying adhesion treatment; and carrying out hot pressing through the hot pressing machine to form the surface decorated wood-based panel with the dermatoglyph paper impregnated thermosetting resin, wherein the hot pressing temperature is controlled to 180-190 DEG C, the hot pressing pressure is controlled to 25-28 kg / cm<2>, and the hot pressing time is controlled to 20-28 s. According to the present invention, characteristics of simple manufacturing process, easy mechanized mass production, low production cost, strong texture of the surface decorated wood-based panel, high simulation degree, beautiful and stylish property, no use of glue during production, environmental protection and cost saving are provided, and the multiple steps of the production process are improved so as to provide characteristics of energy saving and time saving.

The invention discloses a health-care compound feed for enhancing the anti-stress capability of freshwater fishes. The health-care compound feed is prepared from the following raw materials in parts by weight: 0.1-0.3 part of microelement, 0.03-0.06 part of vitamin, 1-2parts of mineral substances, 5-10 parts of fish meal, 10-20 parts of bean pulp, 20-40 parts of miscellaneous meal, 20-40 parts of bran distilled grain dregs, 5-10 parts of flour, 3-5 parts of alfalfa meal, 4-8 parts of kelp powder and 1-2 parts of grease. The health-care compound feed is convenient to use and free of toxic and harmful effect, and contains 28% of crude protein. According to physiological characteristics of the freshwater fish, not only are nutrition indexes required by the fishes achieved through the raw materials such as high-quality fish meal, miscellaneous meal and bran distilled grain dregs, but also the anti-stress capability and the immunity of the freshwater fishes are improved and the growth of the freshwater fish is prompted as various anti-stress substances are added.