34results about How to "Adsorption will not" patented technology

The invention discloses a preparation method of an anti-oxidation and anti-pollution multi-nutrient block for dairy cows, belonging to the technical field of a block for the dairy cows. The method takes molasses, urea, vitamins and mineral elements as main raw materials; the anti-oxidation and anti-pollution multi-nutrient block is prepared by scientifically compounding natural antioxidant substances, Chinese herb extracts and seasoning extracts; the prepared multi-nutrient block for the dairy cows is moderate in hardness, dampproof, breakage-proof and high in weather fastness; the lapping surface of the block is low in bacterial content which is 1.5 per ten thousand of a comparison group; after the multi-nutrient block is used, the milk yield of the lactating dairy cows can be remarkably increased by 19.02%, the first estrus time is shortened by 13 days after parturition of the dairy cows, the conception rate of the dairy cows at the first estrus period is increased by 16.5% after parturition of the dairy cows, the oestrus proportion of the postpartum dairy cow group is increased by 18.4%, the feed intake and the immunity of the organism of the dairy cows can be effectively improved, the occurrence rates of nutritional diseases such as abnormal addiction disease, foot rot, white muscle disease, postpartum paralysis, rickets, mastitis, coarse fur and the like of the dairy cows can be remarkably reduced, and the occurrence rates are averagely reduced by 3.3-16.7%.

The invention belongs to the technical field of preparation of SCR catalysts in environment protection, and provides a halloysite/lanthanon perovskite composite SCR catalyst. The formula is ABO3/HNTs, wherein A refers to a rear earth element, B is a metal cation, and HNTs is a halloysite nano tube carrier; the mass percentage of ABO3 is 5%-20%. According to the invention, the halloysite/lanthanon perovskite composite material is prepared by adopting a one-step sol-gel method; the perovskite particle size is less than 20nm, and the perovskite is uniform in load and relatively dispersive; the cost is reduced as well as the synergistic catalysis effect is developed; all metal cations in the liquid phase can be subjected to polymerization reaction by a complexing agent; a manganese ion and an aluminum ion which are contained in the carrier also can be involved in, which cannot be realized by coprecipitation of metal cations via adjusting the pH value. The manganese ion and the aluminum ion as well as lanthanon perovskite are doped, so that the lattice imperfection of an active component is increased, facilitating the improvement of the catalytic activity.

The invention discloses an anti-oxidization and anti-pollution compound nutritional block for dairy cattle and an application thereof, belonging to the technical field of blocks for the dairy cattle. The anti-oxidization and anti-pollution compound nutritional block takes molasses, urea, vitamins and mineral elements as main raw materials; a natural antioxidant substance, a traditional Chinese medicine extract and a condiment extract are scientifically compounded and the prepared compound nutritional block for the dairy cattle has moderate hardness, is moisture-proof and breakage-proof and has strong weather resistance; the content of infectious microbes of a lapping face of the block is low and is 0.015% of control group; the milk yield of milk secretion dairy cattle can be obviously improved by 19.02%; the first estrus time can be shortened for 13 days after delivery of the dairy cattle, the conception rate of the dairy cattle at a first estrus period after delivery is improved by 16.5% and the estrus rate of the dairy cattle crowd after delivery is 18.4%; the feed intake of the dairy cattle and the organism immunity of the dairy cattle can be improved effectively; the occurrence rates of nutritional diseases including dairy cattle allotriphagia, hoof rot, white muscle diseases, paralysis of the dairy cattle after delivery, rickets, mastitis, rough fur and feather and the like are reduced obviously and are averagely reduced by 3.3-16.7%.

The invention belongs to the field of metal coloring and dyeing in a surface treatment technology and specifically relates to a process for coloring titanium alloy through micro-arc oxidation. The method provided by the invention is used for overcoming the shortcomings of the electrolyticaly colored film. The process is characterized in that two-way square waves are employed for coloring through micro-arc oxidation, the frequency of the pulse waveform ranges from 150 Hz to 1700 Hz, the positive current density ranges from 5 A/dm<2> to 15 A/dm<2> and the positive current density also ranges from 5 A/dm<2> to 15 A/dm<2>, the positive duty ratio is 10%-50% and the negative duty ratio is also 10%-50%, and the micro-arc oxidation coloring time is 3-20 minutes. The process is capable of directly forming a bright, fine colored ceramic layer on a titanium alloy substrate through a micro-arc oxidation technique. The decorative ceramic layer produced by the process is especially suitable for the titanium alloy products with high-grade decorative requirements and the film is resistant to corrosion, heat, ultraviolet light, wearing and the like, and simultaneously capable of keeping the metal luster, thereby actually achieving the decoration effect of the colored film. The film is characterized by the ceramic layer with the special color and luster.

The invention discloses an ultraviolet compound melt-blowing polypropylene oil-absorbing non-woven fabric and its preparation method. According to the preparation method, a photosensitizer, compound monomers, solvents and melt-blowing polypropylene non-woven fabric are involved, wherein the photosensitizer relates to benzophenone, the compound monomers refer to optional two of butyl methacrylate,dodecyl methacrylate, methyl acrylate and butyl acrylate, and the solvents refer to isopropyl alcohol and deionized water. The non-woven fabric can adsorb oil substances in different type, has good oleophylic hydrophobicity, can absorb oil but water, can be reused, can also adsorb some heavy-metallic ion. Besides, as the optimum processing condition good for achieving the optimum oil absorption capacity is reached as researched, the fabric has more thorough oil absorption performance and better oil holding capacity.

The invention discloses a method for electromagnetically detecting the activation level of an STAT 3 protein through a DNA probe ligand and application. By use of STAT3 which is an important transcription factor and dynamic reversible and controllable mutual action between two natural ligands which are DNA and polypeptide, a DNA probe capable of specifically identifying a protein is designed; the polypeptide is used for controlling reversible combination and dissociation between the target protein STAT3 and the DNA probe; by stable coordination interaction between Zr<4+> and a phosphate group and a phosphorylated nano-graphene composite beacon, catalytic signal amplification is realized. According to the method, by introduction of the phosphorylated nano-graphene composite beacon serving as a signal amplification strategy, the phosphorylated nano-graphene composite beacon is stable and difficult to inactivate, thus finally realizing sensitive, efficient and stable detection for the activated STAT3 protein.

The invention belongs to the technical field of CMF-TiO2-PDMS composite materials, and discloses a super-hydrophobic CMF-TiO2-PDMS composite material, and a preparation method and application thereof.The preparation method comprises the following steps: loading amorphous TiO2 on a carbonized melamine material (CMF) skeleton and carrying out high-temperature treatment to obtain crystalline CMF-TiO2; and under the action of a curing agent, subjecting polydimethylsiloxane (PDMS) to cross-linking on the surface of the CMF-TiO2 through a thermocuring method to form a film, thereby obtaining the CMF-TiO2-PDMS composite material. The super-hydrophobic CMF-TiO2-PDMS composite material can adsorb water-soluble pollutants and oil-soluble pollutants and effectively overcome the defect of poor hydrophobic stability of a traditional photo-degradation catalytic material, and also shows good durability, stability and ultraviolet oxidation resistance.

The invention discloses a mercury filtering eliminator and a mercury analysis meter and method. The mercury filtering eliminator comprises a gas guide tube, metal balls, blocking pieces and positioning tubes, wherein the metal balls are a solid balls formed by metal wires through winding and mixing; the metal wires are metal which can form amalgam with mercury to adsorb mercury; the metal balls are stacked and filled in the gas guide tube; two ends of a stacking area of the metal balls are blocked by adoption of the blocking pieces to prevent the metal ball from falling off, so as to form a mercury filtering layer; the blocking pieces are made of a material which does not adsorb interference substances in gas flows; and the positioning tubes are arranged in two ports of the gas guide tubeso as to prevent the filtering layer from loosening and movement. According to the mercury filtering eliminator, the solid metal balls which can generate amalgam with mercury and is formed by the metal wires through winding and mixing are adopted, the metal balls are rough in surface and large in specific area, and the interspaces between the metal balls can ensure sufficient contact between the mercury and the metal balls and ensure that gas flows can smoothly pass through the filter layer, so that the metal balls are particularly suitable for the adsorption and enrichment of high-concentration mercury in gas.

The invention relates to the field of the processing of fish products and discloses a fine processing method of fish oil. The fine processing method of fish oil comprises the following steps: a, washing fish guts, removing giblets, pounding the fish guts to prepare a blank material; b, adding the blank material into an enzymolysis solution containing an immobilized magnetic composite enzyme for carrying out enzymolysis, and recycling the immobilized magnetic composite enzyme by using a magnet after carrying out enzymolysis; c, filtering the enzymolysis solution to remove residues, then standing and layering, and separating to obtain upper fish oil and lower oil-water mixed solution; d, transferring the oil-water mixed solution to a foam separating column, aerating the bottom of the foam separating column, generating a foam layer on the upper layer of the oil-water mixed solution, and separating the foam layer from the liquid in time; e, carrying out centrifugal separation on the oil-water mixed solution to obtain upper fish oil; f, mixing the upper fish oil obtained in step c with the upper fish oil obtained in step e to prepare the fish oil. The processing method of the fish oil is simple in the process and high in the extraction efficiency and the extraction rate; the processed fish oil is high in purity, free of fishy smell and pure in color.

The invention belongs to the technical field of monosodium glutamate preparation, and discloses a method for refining monosodium glutamate by using a macroporous highly basic anion resin, which comprises the following steps: adding water into glutamic acid crystals, adding soda ash for neutralization, adding powdered carbon into an obtained neutralization solution for decolorization, filtering byframe and plate filtration, decolorizing using the macroporous highly basic anion resin, evaporating, concentrating, crystallizing and drying. According to the method, the quality of monosodium glutamate can be improved, the finished monosodium glutamate is snow-white and transparent, and the consumption of acid, alkali and water can be reduced.

The invention belongs to the technical field of gradient diffusion films, and provides a preparation method and application of a ceramic membrane diffusion layer prepared by using an yttrium-stabilized zirconia material. The average pore diameter of the ceramic membrane diffusion layer is 85nm, the porosity is 31%, the diameter is 25mm, the thickness is 1.0mm, and the ceramic membrane diffusion layer is assembled into a diffusive gradients in thin-films (DGT) passive sampler for controlling the diffusion rate of pollutants. The ceramic membrane diffusion layer has adsorption inertness to organic pollutants, and compared with an organic polymer filter layer, the ceramic membrane diffusion layer has the advantages that organic target substances cannot be adsorbed on the surface. The ceramicmembrane diffusion layer provided by the invention has high mechanical strength, does not need to be protected by a filter layer, and can overcome the potential problems that an agarose gel diffusionlayer is degraded by microorganisms after being exposed for a long time. When the ceramic membrane diffusion layer is applied in a water body environment with lower flow velocity, correction of a boundary diffusion layer is not needed.

The invention discloses a vertical adjustable lifting painting and calligraphy board. The vertical adjustable lifting painting and calligraphy board comprises a base, two stand columns, two rotating shafts, a tubular motor, a canvas assembly, a controller and a drawing paper fixing device, the number of the stand columns is two and the stand columns are parallel to each other, the upper end and the lower end between the two stand columns are each provided with one rotating shaft, a main shaft of the tubular motor is arranged in one rotating shaft, the two ends of the tubular motor are fixedlyconnected to column bodies of the stand columns, after the tubular motor is powered on, the main shaft of the tubular motor rotates to drive the rotating shaft where the main shaft is located on the side to rotate and the canvas assembly drives the other rotating shaft to rotate synchronously, the controller is electrically connected with the tubular motor and is arranged on the outer side of theadjacent stand column, and the drawing paper fixing device is movably fixed on the outer surface of the canvas assembly. The vertical adjustable lifting painting and calligraphy board has the beneficial effects that the creation of calligraphers and painters is convenient, the situation that calligraphers and painters need to climb a ladder when the size of the calligraphers and painters is too large is avoided, the risk of climbing is avoided, and the calligraphers and painters do not need to worry about situation that no large working space is available for creation.

The invention discloses a method for preparing transglutaminase from antarctic krill. According to the method, the cleaned antarctic krill are chopped, a buffer solution is added, the mixture is subjected to homogenate and centrifugation, a clear liquid is taken and filtered by a cellulose acetate membrane, a turbidity solution on the upper layer is removed, a filtrate is dialyzed through a sodium acetate dialysis fluid and subjected to ultrafiltration through ultrafiltration equipment, a filtered fluid is subjected to chromatographic purification through ion exchange resin, the purified fluid is subjected to ultrafiltration, concentration, and freeze drying, and purified transglutaminase is obtained. According to the method, a process is reasonable, the operation is simple, the preparation speed is high, and the purity and the enzyme activity recovery rate of extracted transglutaminase are high.

The invention provides a method for selectively adsorbing 4-tolyl aldehyde in tobacco shred. The method mainly comprises the following steps: weighing methacrylic acid, N-isopropyl acrylamide and N,N-dimethyl bisacrylamide, dissolving into water under the action of ultrasonic waves, adding an absolute ethanol solution of N-tert-butyl acrylamide, and carrying out ultrasonic degassing; adjusting thepH value to 5.8-6.2, and adding 4-tolyl aldehyde as a template molecule; dropping a water solution of an initiator, and carrying out a polymerization reaction; eluting the template molecule so as toobtain a crude product of a molecularly imprinted polymer, carrying out dialysis, freeze-drying a dialysis liquid so as to obtain solid powder of the molecularly imprinted polymer, and preparing a molecularly imprinted polymer solution; mixing an ethanol solution of tobacco shred with the molecularly imprinted polymer solution, carrying out ultrasonic oscillation, and completing selective adsorption. The method for selectively adsorbing 4-tolyl aldehyde in tobacco shred, which is provided by the invention, is easy to operate, short in adsorption time, applicable to tobacco product control anddetection, and thus has wide application prospects.

The invention relates to a high-stability and high-selectivity platinum-carbon catalyst and a preparation method thereof.The preparation method comprises the following steps that formaldehyde is added into deionized water, the pH value of the solution is adjusted to 7.5-14, and melamine and a platinum precursor solution are added; heating the medicines, raising the temperature to 50-100 DEG C, refluxing to obtain a transparent mixed solution, and continuously stirring; adding an alcoholic solution into the solution, adjusting the pH value of the solution to 1-10, heating to 50-100 DEG C, and continuing reflux for 2 hours; carrying out vacuum drying on the obtained sample at 40-60 DEG C, roasting the dried sample in a tubular furnace at 400-600 DEG C for 2 hours, heating to 600-1200 DEG C, roasting for 2 hours, and cooling to room temperature; and washing the obtained sample to be neutral, carrying out vacuum drying at 60-100 DEG C for 10 hours, and carrying out ball milling to obtain platinum-carbon catalyst powder. The platinum-carbon catalyst prepared by the invention has high selectivity when citral is hydrogenated to prepare geraniol and nerol, has higher stability, and still has better selectivity and catalytic effect after being repeatedly used for 20 times.

The invention discloses a method for reducing the content of phenylalanine in a product, and belongs to the field of food processing. Protein-containing products are used as raw materials, hydrolysate obtained through enzymolysis is adsorbed through macroporous resin, and the removal rate of phenylalanine in the protein hydrolysate after adsorption through macroporous non-polar adsorption resin can reach 15%-90% by adjusting the adsorption temperature, the pH value of adsorption liquid and the adsorption time. The resin adsorption specificity is high, the removal rate of phenylalanine in the obtained product is high, the defects that the adsorption range of traditional activated carbon is wide, nutrient substances are lost and the like are overcome through resin adsorption, the operation process is simple and convenient, and the method is suitable for industrial production; and the method has the potential of being used for preparing special medical purpose formula food or health care products for patients suffering from phenylketonuria and the like.

The invention relates to the field of fish product processing, and discloses a processing method of barbecued seafood skewers. The processing method of the barbecued seafood skewers comprises the following steps: (1), unfreezing squids, and cutting the unfrozen squids into dices and strips; (2), dipping the squid dices and strips in marinade under vacuum conditions for 4-6 hours so as to marinate the squid dices and strips, wherein the mass ratio of the squid dices and strips to the marinade is 1:(4-6) and the vacuum degree is 0.08-0.09MPa; (3), dipping the marinated squid dices and strips in seasoning liquid for 2-4 hours, wherein the mass ratio of the marinated squid dices and strips to the seasoning liquid is 1:(3-5) and the temperature of the seasoning liquid is 30-40 DEG C; (4), dewatering the seasoned squid dices and strips so as to control water contents in the squid meat at 20-25wt%; (5), preparing the squid dices and strips into squid skewers, coating surfaces of the squid skewers with fish oil, sprinkling accessory ingredients onto the squid skewers, and carrying out roasting at 160-180 DEG C for 10-20 minutes; and (6), drying the roasted squid skewers with hot air of which the temperature is 60-80 DEG C whiling turning the squid skewers for 5-10 minutes, and finally, packaging the dried squid skewers and carrying out sterilizing, so that the barbecued seafood skewers are prepared. The barbecued seafood skewers prepared by the processing method are well seasoned, delicious in flavor, good in taste and rich in nutrition.