81results about How to "Increase spatial structure" patented technology

The invention belongs to the technical field of mesoporous composite materials, and particularly relates to a three-dimensional interconnected hierarchical-structured zeolite molecular sieve material and a preparation method thereof. The method comprises the following steps of: self-assembling anionic and cationic surfactants, serving as primary constitutional units, in solution phase to form a secondary constitutional unit; self-assembling in solution to be compounded into amphipathic block copolymer; then, self-assembling in the solution by taking the amphipathic block copolymer as a template agent and by using a structural guide agent and inorganic silicon to obtain a silicon dioxide / surfactant / template agent composite material; and finally, calcining to remove the surfactant and the template agent to obtain the hierarchical-structured mesoporous zeolite molecular sieve material consisting of interconnected mesopores, micropores and macropores. The material has higher specific surface area and stronger hydrothermal stability, and has a broad application prospect in the aspects of petrochemical industry, heavy oil catalysis cracking, biological separation, adsorption and the like. The material obtained in the invention has the advantages of superior performance, simple synthesis method and readily available raw material and is suitable for industrial production.

A suspension arm assembly for a vehicle includes a pivot pipe pivotally attached to a vehicle body frame, a pair of pipes extending in a lateral direction of a vehicle body, a joint member attached to distal end portions of the pipes, and a substantially U-shaped band. Proximal end portions of the pipes are connected to the pivot pipe and spaced apart from each other in a front-rear direction, and distal end portions thereof are arranged close to each other, thereby forming a substantially triangular profile. The joint member includes a plate portion and a boss portion having a knuckle attached thereto. The distal end portions of the pipes are operatively connected to a convex surface of the U-shaped band, and the plate portion of the joint member is attached to the pipes for covering the U-shaped band.

The invention relates to an antibacterial composite material, which is prepared from the following components by weight: 120-140 parts of an ABS resin, 4-10 parts of a silver-loaded antibacterial agent, 1-5 parts of a silane coupling agent, 1-3 parts of a reactant, and 4-10 parts of other auxiliary agents such as diffusion oil, a compatibilizer, an antioxidant, and the like, wherein pre-treating is performed with an antibacterial agent to prepare an antibacterial masterbatch, and the antibacterial masterbatch is subjected to lamination to obtain the product. The preparation method comprises: dissolving KH550 in an organic solvent, decomposing under the action of HAC, combining with a silver-loaded antibacterial agent carrier to obtain a pretreated antibacterial agent, uniformly mixing the antibacterial agent, ABS, a compatibilizer, an antioxidant, diffusion oil and other auxiliary agents, adding the mixture to a twin-screw extruder, carrying out melt extrusion to obtain an extruded material, cooling the extruded material, granulating to obtain an antibacterial masterbatch, and laminating to obtain the antibacterial composite material. According to the present invention, the antibacterial plastic has characteristics of strong antibacterial property, long antibacterial effective period, easy processing, high antibacterial property, excellent mechanical property and the like, and has obvious antibacterial effects on Staphylococcus aureus and Escherichia coli.

The invention discloses a C-shaped wooden structure material for construction and a preparation method thereof. The C-shaped wooden structure material for the construction comprises a C-shaped wooden structure body. The C-shaped wooden structure body comprises a structure with a C-shaped cross section, and the structure with the C-shaped cross section is formed by a web plate and flanges or by the web plate, the flanges and turned edges. The C-shaped wooden structure material is characterized in that the C-shaped wooden structure material is formed by compounding wooden veneers through different assembly structures by means of glue applying and mold pressing. The C-shaped wooden structure material has the advantages that partial wall studding columns inside a wooden structure building wall body and a mixture structure building wall body can be replaced with the C-shaped wooden structure material, the consumption of high-quality wood is reduced, the dead load of the wall bodies are recued, and cost is reduced; meanwhile, the cavity of the C-shaped wooden structure material is beneficial to the filling and the fixing of wall body thermal insulation materials; the single C-shaped wooden structure material for a large cross-section building can be used, or C-shaped wooden structure materials can be spliced in an I shape to be used, or double C-shaped wooden structure materials can be used in a held mode, or C-shaped wooden structure materials can be used in other splicing modes; the building is more light and flexible, the space structure inside the building is improved; and the C-shaped wooden structure material is suitable for enterprise volume production, construction speed is fast, and the industrialization degree is high.

The invention relates to ultraviolet-aging-resistant polyphenylene sulfide fibers and a preparation method thereof. The polyphenylene sulfide fibers comprise the following components in parts by weight: 100 parts of polyphenylene sulfide, 0.2-5 parts of 2-(3-N,N-diethyl-phenyl)amino-4,6-bis(4-tert-butyl-2-hydroxyphenyl)-sym-triazine and 0.2-5 parts of 2-ethylene imine-4-(2,2-dimethyl-4-tert-butyl)phenyl-6-(4-tert-butyl-2-hydroxy)-phenyl-triazine; and the fineness of the fibers is 1.2-6.6 dtex. The preparation method provided by the invention comprises the following steps of: adding polyphenylene sulfide, 2-(3-N,N-diethyl-phenyl)amino-4,6-bis(4-tert-butyl-2-hydroxyphenyl)-sym-triazine and 2-ethylene imine-4-(2,2-dimethyl-4-tert-butyl)phenyl-6-(4-tert-butyl-2-hydroxy)-phenyl-triazine to a screw spinning machine according to the proportions, carrying out melt spinning to obtain crude polyphenylene sulfide fibers, and then drawing and treating to obtain the fibers. The obtained fibers have greatly improved strength and modulus and excellent ultraviolet aging resistance.

A suspension arm assembly for a vehicle includes a pivot pipe pivotally attached to a vehicle body frame, a pair of pipes extending in a lateral direction of a vehicle body, a joint member attached to distal end portions of the pipes, and a substantially U-shaped band. Proximal end portions of the pipes are connected to the pivot pipe and spaced apart from each other in a front-rear direction, and distal end portions thereof are arranged close to each other, thereby forming a substantially triangular profile. The joint member includes a plate portion and a boss portion having a knuckle attached thereto. The distal end portions of the pipes are operatively connected to a convex surface of the U-shaped band, and the plate portion of the joint member is attached to the pipes for covering the U-shaped band.

The invention discloses a heat-resistant anti-impact grinding wheel material. The heat-resistant anti-impact grinding wheel material is prepared from diamond, silicon carbide whiskers, aluminum borate whiskers, potassium titanate whiskers, aluminum oxide whiskers, yttrium oxide, cerium oxide, feldspar, fluorite, modified phenolic resin, polyurethane resin, polyethylene wax emulsion, calcium lignosulphonate, slag, glass fibers, carbon fibers, a pore forming agent and alloy powder. The heat-resistant anti-impact grinding wheel material is reasonable in composition. An obtained grinding wheel is excellent in bending strength, microhardness, impact toughness, wear resistance, heat dissipation performance and heat resistance, not likely to burst apart and high in safety coefficient and meanwhile has the beneficial effects of being high in grinding efficiency and grinding ratio, good in grinding quality, long in service life and the like. Good economic benefits are achieved.

The invention discloses a preparation method of a humic acid suspended liquid fertilizer and belongs to the technical field of fertilizer preparation. The preparation method disclosed by the inventionhas the benefits that mixed suspended sludge liquid of sweet potato starch wastewater and secondary sedimentation activated sludge is used as a raw material and is changed from wastes into valuablesthrough pyrolysis; in addition, sodium humate in the humic acid fertilizer and a mixed carboxylic acid monomer in a liquefaction dispersant are subjected to graft copolymerization reaction, the non-polar end is combined with the hydrophobic surfaces of humic acid solid particles, and a polar carboxylic group is outward, so that the liquefaction dispersant is prevented from producing the hard precipitation in the liquid fertilizer; in the invention, glycine is added as a nitrogen element carrier, so that nitrogen requirements can be provided for crops; carboxyl groups in amino acids have chelating abilities and can also play a role in regulating the growth of the crops; side reaction can be generated between acrylic acids in the liquefaction dispersant in the liquid fertilizer and maleic anhydride to form acrylate, so that the liquid fertilizer is semi-oily and is more easily adhered onto the leaf surfaces of the crops, the transpiration is effectively inhibited, and the absorption efficiency of nutrient elements by the crops is improved, therefore, the application prospect is wide.

The invention discloses a preparation method for a nanogold-nanofiber functional composite modified electrode. The preparation method specifically comprises the following steps of (1) preparing a spinning solution; (2) performing electrostatic spinning to prepare composite nanofibers to form a composite nanofiber PA6-MCWNTs modified electrode; and (3) performing functionalization on composite nanofibers through electro-deposition nanogold, namely immersing the composite nanofiber PA6-MCWNTs modified electrode into deposition liquid containing HAuCl4, reducing HAuCl4 into nanogold by adopting a multi-potential step change method, and synchronously and directly depositing the nanogold on the surfaces of PA6-MCWNTs composite nanofibers, thus obtaining the nanogold / nanofiber functional composite AuNPs-PA6-MCWNTs modified electrode. The preparation method can be used for obtaining a functional composite electrode modified material with the characteristics of high stability, large specific surface area, high biological compatibility, high electron transmission rate, uniform nano diameter aperture distribution and the like.

The invention belongs to the field of tobaccos and cigarette additives, and relates to a method for reducing a phenol content in cigarette smoke. Specifically, the invention relates to the method for reducing the phenol content in the cigarette smoke, wherein the method comprises a step of adding momordicoside or a momordica charantia extract containing the momordicoside to a filter stick and / or cut tobaccos. With the application of the method provided by the invention, the phenol content in the cigarette smoke can be effectively reduced; and meanwhile, the method can avoid obvious influence on a tar content and can not change the original smoking taste of cigarettes.

The invention provides a hydrophobic polymer graft modified acrylamide polymer and a preparation method thereof, mainly for solving the problem in the prior art that general acrylamide polymers have poor temperature resistance, poor resistance to salinity, poor ageing-resistance performance and poor displacement effect. The chemical general formula of the hydrophobic polymer graft modified acrylamide polymer is P-g-X, wherein P is polyacrylamide or acrylamide polymer, X is hydrophobic polymer the molecular chain structure of which is in a form of homopolymerisation, random copolymerization or block copolymerization, and the viscosity average molecular weight of the graft compound is more than or equal to seventeen million. The adoption of the hydrophobic polymer graft modified acrylamide polymer and the preparation method thereof well solves the problem in the prior, and the technical scheme can be used in industrial production and displacement of reservoir oil.

The invention discloses an efficient stable supported copper-based catalyst and a preparation method thereof. Soluble copper solution is added into six-membered heterocyclic radical dicarboxylic acid,N, N-dimethyl formamide and alcohol mixed solution, reaction is performed to form a copper-organic ligand material, the material is crushed and grinded into dry powder, and the dry powder is added into water to form slurry. The slurry reacts with a silicon precursor compound, a triblock copolymer P123, monobasic acid and alcohol to obtain the efficient stable supported copper-based catalyst provided with a central radial mesoporous channel, the surface of the catalyst is folded, copper content is 15-45% of the total weight of the catalyst, cuprous content is 40-80mol% of the total mole numberof active copper, the specific surface area of the catalyst is larger than 500m<2> / g, the pore volume of the catalyst is larger than 1.0ml / g, and average mesoporous size is 3.0-8.0nm. The catalyst isused for glycol synthesis reaction by dimethyl oxalate hydrogenation, dimethyl oxalate conversion rate is higher than 99%, and glycol selectivity is higher than 96%.

The invention discloses a method for preparing cationic polyacrylamide emulsion in an aqueous dispersion polymerization manner. The preparation method comprises the following steps: dissolving nonionic monomers, cationic monomers, a dispersion stabilizer, parital inorganic salts and additives in deionized water, stirring in a constant-temperature water bath at 40 to 70 DEG C to form a homogenous system, introducing nitrogen to remove oxygen, adding an initiator accounting for 50 to 80 percent of the total weight of an initiator raw material, continuously reacting for 3 to 6 h, adding the remaining initiator, then reacting, and adding the remaining inorganic salts, continuously stirring, thus obtaining the cationic polyacrylamide emulsion. A novel oxidization reduction initiator system is applied, the graphene oxide is used as a reducing agent, persulfate is used as an oxidant, and the cationic polyacrylamide emulsion is prepared by virtue of the aqueous dispersion polymerization method. The emulsion prepared by the method has the characteristics of instant solubility, high molecular weight, good mobility, good stability, no organic solvent in the polymerization process, environmental friendliness, nontoxicity, capability of adsorbing trace heavy metal ions and the like.

The invention relates to a preparation method for a high-toughness and wear-resistant cement fiber board, belonging to the technical field of preparation of building materials. The preparation methodprovided by the invention has the following steps: subjecting rice straw and rice leaves used as raw materials to a reaction, carrying out filtering so as to obtain filter residue, then soaking the filter residue with acetic acid, carrying out ultrasonic oscillation, adding magnesium chloride so as to prepare a mixed solution, mixing the mixed solution, glucose and rice husks, carrying out fermentation and high-temperature treatment, then mixing a high-temperature treatment product, cement and water, and carrying out hot pressing, drying and discharging so as to obtain the high-toughness and wear-resistant cement fiber board. According to the invention, all organic fiber components in the rice straw and the rice leaves are separated; meanwhile, through introduction of magnesium ions, strength and toughness of plant fiber are improved; fiber components of the rice straw and the rice leaves are partially hydrolyzed to generate a saccharide compound and organic carboxylic acid, so the bonding effect among all components in a cement fiber board is improved; and through high-temperature treatment, the fiber is partially carbonized, so mechanical strength and toughness of the cement fiber board are further improved, and good application prospect is achieved.

The invention discloses an efficient Chinese herb residue extracting solution fertilizer additive and a preparation method thereof. The efficient Chinese herb residue extracting solution fertilizer additive is prepared from, by weight parts, rice husk, 20 wt% of NaOH solution, activated carbon, diatomaceous earth, Chinese herbal medicine residue, 50% ethanol solution, oligosaccharide, mulberry leaf, neem bark, edible mushroom leftovers and an appropriate amount of water. The efficient Chinese herb residue extracting solution fertilizer additive can be directly used, can also be matched with other organic or chemical fertilizers to be used and is remarkable in effect. The Chinese herbal medicine residue belongs to abandoned materials, but still contains plenty of plant active ingredients, organic acid and auxin and the like, and still has plenty of amino acids and mineral elements. After undergoing ultrasonication extraction, the Chinese herbal medicine residue undergoes fusion and absorption together with a carbonization product, so that the performance of the carbonization product is more excellent. Compared with a conventional carbonization product, the carbonization product is higher in adsorption capability due to special treatment and further contains water-soluble silicate needed for crop growth.

The invention relates to the technical field of preparation of coating mist polycoagulants and in particular relates to a preparation method of a suspension stabilization type coating mist polycoagulant. The preparation method comprises the following steps: carrying out alkalinization treatment on weathered coal to obtain a cracked sludge suspension; mixing solids and calcium carbonate to obtain humic acid doped montmorillonite; dissolving the humic acid doped montmorillonite and sodium hydroxide powder into distilled water to obtain a reaction solution; then forming a polydopamine film on thesurfaces of modified montmorillonite particles through dopamine hydrochloric acid and a tri-hydroxymethyl aminomethane solution; carrying out heat insulation treatment to obtain the suspension stabilization type polycoagulant. After humic acid is dissolved, the humic acid can be introduced into a surface intercalation of the montmorillonite under the action of quaternary ammonium salt, and the porosity and the interlayer spacing of the montmorillonite are increased, so that the viscosity of coating mist is reduced and preparation is done for subsequent coating mist dross; the modified montmorillonite and a mixed carboxylic acid monomer are subjected to grafted copolymerization reaction, so that the dispersion performance of the coating mist in a waterborne system is easy to improve, watersources are purified and the generation of tank scales is reduced; the preparation method has wide application prospects.

The invention discloses crazing-resistance and high-toughness organic glass and a preparation method thereof. The organic glass is prepared from the following raw materials in parts by weight: methyl methacrylate, isobornyl methacrylate, ethylene glycol dimethacrylate, epoxidized soybean oil acrylate, an impact-resistant modifier, ethanol, polyacrylamide, rubber particles, polybutyl acrylate, ternary copolymerized nylon, modified nano-silicon dioxide, diisopropyl peroxydicarbonate, dicumyl peroxide, dioctyl phthalate, ethyl p-hydroxybenzoate, zinc stearate and emulsified silicone oil. The invention provides the crazing-resistance and high-toughness organic glass and the preparation method thereof; the organic glass disclosed by the invention has good toughness, heat resistance and crazing resistance, is not easy to damage and has long service life and good economic benefits.

The invention relates to a preparation method of a modified shaddock peel fiber oil absorption material, and belongs to the technical field of adsorption materials. According to the method, shaddock peels serve as an oil absorption main body, condensation water in fiber cells are rapidly evaporated and expanded by the aid of high-temperature and high-pressure vapor, lignin coating effects and cellulose crystalline structures are broken, the porosity of the material is remarkably increased, fibers are treated by plasmas, more active sites on the surfaces of the fibers are activated, ester exchange modification is further performed, hydroxyl of small-molecular weight on cellulose is replaced by acetyl of large size, hydrogen bond acting force between molecules and hydrogen bond acting forcein the molecule are weakened, steric hindrance is increased, structures of crystalline areas are broken to some extent, condensed state structures of hemi-cellulose and lignin firmly coating crystalline cellulose are expanded, so that the porosity of the material after ester exchange modification is increased, hydrophobic oil affinity of the cellulose is improved, space structures of cellulose materials are enhanced, and oil absorption performance is enhanced.

The invention discloses an image restoration method based on a multi-scale content attention mechanism, a storage medium and a terminal. The method comprises the following steps: inputting a to-be-restored image into a trained image restoration network for image restoration, wherein the image restoration network comprises an edge detection module, an edge generative adversarial network and a content generative adversarial network which are connected in sequence, the edge generative adversarial network comprises an edge generator G1, and the content generative adversarial network comprises a content generator G2, each of the edge generator G1 and the content generator G2 comprises a plurality of convolution layers, a plurality of residual blocks and a plurality of deconvolution layers, and a multi-scale content attention module is arranged between the deconvolution layers. According to the method, the features of the known patches are used as a convolution filter to process the pre-generated patches, and the consistency of the basic features and the overall style of the incomplete generation area and the surrounding background area is achieved through the multi-scale patches.

The invention discloses a wood and plastic composite prepared by adopting wastes. The wood and plastic composite is prepared from the following raw materials in parts by weight: 20-30 parts of modified chestnut shell powder, 10-20 parts of modified bamboo powder, 20-30 parts of modified wood powder, 20-40 parts of an acrylate hydrophobic monomer, 15-25 parts of hydrophobic resin, 1-2 parts of a lubricant, 1-2 parts of an antioxidant and 1.5-3 parts of a plasticizer. A preparation method comprises the following steps: (1) weighing the modified chestnut shell powder, the modified bamboo powder and the modified wood powder according to a formula, mixing, then adding the acrylate hydrophobic monomer, carrying out reaction for 3-6h at the temperature of 40-50 DEG C, and carrying out vacuum concentration and drying; and (2) adding the residual raw materials in a dried product, mixing, then sending a mixture into a twin screw extruder, and carrying out extrusion forming and cooling setting to obtain the wood and plastic composite. According to the wood and plastic composite and the preparation method, the waste materials are utilized, so that the cost is low; and the prepared product is better in both mechanical performance and heat resistance, is improved in biodegradability and is beneficial to environmental protection.

The invention discloses a negative oxygen ion and honeycomb microporous modification method of a textile fabric. A production technology includes the steps: (1) honeycomb polyester fiber perforating process: adding sodium hydroxide solution and penetrating agents into a honeycomb polyester fiber, sequentially cleaning the honeycomb polyester fiber by warm water, detergents and cold water after scouring and holing, and dewatering and drying the honeycomb polyester fiber; (2) tourmaline negative oxygen ion powder coating modification: dispersing rare earth-coupling agent compound modified tourmaline negative oxygen ion powder into absolute ethyl alcohol, adding Tween-80 to stir mixture to obtain dispersion liquid A, dissolving beta-cyclodextrin in distilled water, slowly adding mixture intothe dispersion liquid A, adjusting pH (potential of hydrogen) of the solution by glacial acetic acid, stirring mixture, and performing reaction, standing, filtering, washing, low-temperature vacuum drying and grinding; (3) vacuum soaking process: uniformly mixing the coating modified tourmaline negative oxygen ion powder and polyethylene glycol to obtain soaking liquid, vacuum-soaking the holed honeycomb polyester fiber into the soaking liquid, and naturally drying the honeycomb polyester fiber to reach constant weight to obtain the negative oxygen ion and honeycomb microporous modified textile fabric.

The invention relates to mono-dispersed particle-size-controllable nanometer yttrium stabilized zirconia powder, a preparation method and applications thereof. The preparation method comprises: mixingand dissolving a zirconium salt, an yttrium salt and a dispersing agent according to a certain ratio to obtain a mixed solution; heating the mixed solution, carrying out a hydrothermal reaction, adjusting the H<+> concentration of the solution by adding ammonia water or an acid solution during the hydrothermal process, and cooling to a temperature of less than 90 DEG C after the reaction is completely performed to obtain a hydrated zirconia suspension; adding ammonia water to the zirconia suspension to adjust the pH value to achieve an alkaline state, carrying out standing aging, and carryingout centrifugal separation to obtain zirconia precipitate; and carrying out a series of post-treatment processes on the zirconia precipitate to obtain the nanometer yttrium stabilized zirconia powder. According to the present invention, the method easily controls the shape, the particle size and crystal phase of the product, has simple and convenient operation, and is suitable for factory production.

The invention relates to the technical field of preparation of reinforcing materials for building structures, in particular to a method for preparing high-adhesion low-shrinkage inorganic anchor gluefor steel bars. The method comprises the steps of: adopting straw as a raw material, performing heating and alkaline boiling to obtain lignin alkaline liquor, neutralizing the lignin alkaline liquor by using acetic acid, performing high-speed centrifugation, washing and drying to obtain lignin powder, treating a homemade crude solid product to obtain white powder, and adding the lignin powder, quartz sand, fly ash and the like into diluted slurry to obtain the inorganic anchor glue for the steel bars. According to the method, Portland cement in the anchor glue can be wrapped by quaternary ammonium cationic cyclodextrin in a form of colloid in water, and therefore Portland cement particles in the anchor glue repel each other, so that the adhesion between the inorganic steel-bar anchor glueand the steel bars is improved; through the addition of a certain amount of lignin, shrinkage of the inorganic steel-bar anchor glue can be reduced when the inorganic steel-bar anchor glue is solidified rapidly, so that the adhesion between the inorganic steel-bar anchor glue and the steel bars is reinforced, and a broad application prospect is provided.

The invention provides an organic compound containing a condensed ring structure as shown in a formula I which is described in the specification. The invention also provides an application of the organic compound in an electroluminescent device. Compared with organic compounds in the prior art, the organic compound containing the condensed ring structure has a narrower half-peak width of an emission peak, so that the organic compound has excellent color purity; when the organic compound containing the condensed ring structure is applied to an AMOLED top emission screen body, higher luminous efficiency can be achieved, and an organic light-emitting device can have lower driving voltage and longer service lifetime.

The invention discloses a nutritional base fertilizer capable of supplying calcium for a long term and a preparation method of the nutritional base fertilizer. The nutritional base fertilizer is prepared from the following raw materials in parts by weight: rice husk, a 20wt% NaOH solution, shell powder, straw powder, fertilizer calcium powder, phosphogypsum, citric acid, methyl abamectin, sheep manure balls, egg shell, soybean residue, soybean curb residue, an enzyme agent, fresh forage grass and a suitable amount of water; the raw materials are unified and are reutilized as waste; the raw materials are subjected to simple fermentation treatment, and are then subjected to ultrafine ball milling to form micro powder; finally, rice husk carbonized particles are added into the micro powder, and the carbonized particles in a dry state bare more micro-pores which are beneficial to inlay micro calcium, so that the calcium is not easy to loss in soil and is supplied for a long term; the calcium not only enriches the nutrition types of a crop product, and meanwhile, achieves a stress resistance effect in a crop growth process.

The invention discloses a preparation method of high-dispersity nano silicon dioxide, and belongs to the technical field of nano material preparation. According to the preparation method, peat is usedas a raw material to carry out cracking and repeated solventing-out; humic acid extracted from the peat is mixed with common nano-silica; and then alkali dissolution is carried out, so that dispersion performance of nano-silica particles is improved, and caking is avoided. According to the method, mixed silicon powder is alkalized and purified by sodium hydroxide to obtain modified silicon powder; a graft copolymerization reaction is carried out on the modified silicon powder with a mixed carboxylic acid monomer; and under the action of an initiator, double bond parts of the mixed carboxylicacid monomer are polymerized with semi-quinonyl groups in the humic acid structure to generate ether bonds, so that a polycarboxylic acid dispersing agent is formed. The polycarboxylic acid group is extremely strong in hydrophilicity and has a relatively large space structure, and relatively large steric hindrance can be generated in a water-based system, so that dispersion performance of the nanosilicon dioxide in the water-based system is improved.

The invention discloses radix salviae miltiorrhizae nutritive powder and a making method thereof. The nutritive powder comprises the following components in parts by weight: 40-50 parts of a radix salviae miltiorrhizae extract, 30-40 parts of a radix angelicae sinensis extract, 20-30 parts of a honeysuckle flower extract, 10-20 parts of an amino acid mixture, 5-10 parts of honey, 40-50 parts of coarse cereal powder, 10-20 parts of glucomannan and 30-40 parts of chitosan. The making method of the radix salviae miltiorrhizae nutritive powder comprises the following steps of (1) uniformly mixingthe radix salviae miltiorrhizae extract with the honeysuckle flower extract, the radix angelicae sinensis extract and the amino acid mixture according to the formula; (2) performing instantaneous high-pressure treatment on the glucomannan; and (3) adding the chitosan to a solution obtained in step (2), performing uniform stirring and mixing, then adding products obtained in step (1), continuing performing stirring, then adding the coarse cereal powder and the honey, continuing performing stirring and mixing, performing drying and performing sterilization, so as to obtain the radix salviae miltiorrhizae nutritive powder. The radix salviae miltiorrhizae nutritive powder obtained by the method has favorable satiety and is high in nutrient value and good in mouth feel.

The invention relates to a preparation method of a waterproof type high-toughness coating material and belongs to the technical field of preparation of coating materials. The preparation method comprises the following steps: taking reed leaves and reed stems as raw materials to prepare a reaction solution; then adding chitosan, potassium permanganate and the like into the reaction solution and concentrating to obtain reaction gel; enabling a mixed product and de-ionized water to react to obtain a calcined product; and finally, mixing the calcined product and an organic matter at high temperature to obtain the waterproof type high-toughness coating material. According to the preparation method, a lot of carboxyl groups are grafted outside and inside a plant fiber pipe under a common effectof acetic acid and citric acid, and the added chitosan is firmly adsorbed on fibers, so that the specific surface area is enlarged and the adhesion effect is improved; glycerol and the carboxyl groupson the surfaces of the plant fibers are subjected to esterification reaction; and the bonding degree of silicon dioxide and the plant fibers is further enhanced by utilizing high temperature, so thatthe waterproof performance and mechanical properties of the coating material are comprehensively improved, and the coating material has a wide application prospect.

The invention relates to a saline-alkalized grassland treatment method, and belongs to the technical field of soil improvement. According to the method, smashed straw is stirred and mixed with water and sodium bicarbonate for squeezing and carbonization; carbide is mixed with digested sludge and rural soil after being smashed and sieved to obtain a mixture; fermentation is conducted on the mixture, and a fermentation product is collected; after ploughing and airing are conducted on a saline-alkalized grassland, the fermentation product is placed on the ploughed bottom; after second ploughing and irrigation are conducted, ploughing and placing of the fermentation product are continued, and after second ploughing, treatment is repeated once again, so that treatment of the saline-alkalized grassland is achieved. By means of the method, the phenomenon of the salinization and alkalinization recurrence is not prone to happen on the treated saline-alkalized grassland, and the lasting period is long; the treatment effect for the saline-alkalized grassland is good, growth of plant root systems is promoted, the vegetation coverage is improved, and the method has wide application prospects.

The invention discloses a preparation method of a glue-free polishing sheet, and belongs to the technical field of grinding and polishing. A composite abrasive obtained by the invention is rich in sodium meta aluminate and sodium silicate, during the process of preparing a polishing sheet through ultrasonic oscillation reaction, the sodium meta aluminate consumes a large amount of acid in an acetic acid solution to generate aluminum ions, the pH value of the acid solution is improved, aluminum atoms generate, aluminum oxide crystal grains generate under the action of hydrogen peroxide, and spaced and uniformly dispersed abrasive crystal grains are formed on the surface of a PET belt base under the action of a silane coupling agent; a mixed monomer provided by the invention is compose of acrylic acid and maleic anhydride, and under the action of initiator ammonium persulfate, polycarboxylic acid substances with high hydrophilicity can be formed, the polycarboxylic acid substances play akey role in the high dispersion of abrasive during the oscillating reaction process, and are beneficial to improving the dispersion performance of silicon dioxide and aluminum oxide in a resin-free glue system, improving the dispersion of silicon dioxide crystal grains on the surface of a plastic film base belt, the abrasive on the polishing sheet has high dispersion, and the abrasive is not adhered by a resin adhesive.