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

Adsorption method for preparing soybean lecithin

The invention relates to an adsorption method for preparing soybean lecithin. Granulesten is taken as a raw material, C1-C4 alcohol is taken as a solvent, an adsorbent is added, the mixture is stirred, adsorbed and filtered, filtrate is subjected to desolvation under reduced pressure and vacuum drying to form a soybean lecithin product with over 80 percent of phosphatidylcholine, and the yield is over 85 percent. Compared with the conventional preparation method, the direct adsorptive separation technology has the advantages of simple process, short production period, high product purity, low consumption of solvent, simple equipment, low investment cost and the like, and is suitable for large-scale industrial production.
Owner:NANJING TECH UNIV

Preparation method of anti-oxidation and anti-pollution multi-nutrient block for dairy cows

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%.
Owner:邵素英

Halloysite/lanthanon perovskite composite SCR catalyst and preparation method thereof

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.
Owner:CHANGZHOU UNIV

Anti-oxidization and anti-pollution compound nutritional block for dairy cattle and application thereof

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%.
Owner:北京东方联鸣科技发展有限公司

Process for coloring titanium alloy through micro-arc oxidation

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.
Owner:BEIJING XINGHANG MECHANICAL ELECTRICAL EQUIP

Ultraviolet compound melt-blowing polypropylene oil-absorbing non-woven fabric and its preparation method

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.
Owner:JIXI YUANDAO AGRI IND TECH

Method for electrochemically detecting activation level of STAT 3 protein through DNA probe ligand and application

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.
Owner:孙丽洲

Super-hydrophobic CMF-TiO2-PDMS composite material, and preparation method and application thereof

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.
Owner:QINGDAO UNIV OF SCI & TECH

Mercury filtering eliminator and mercury analysis meter and method

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.
Owner:LIHE TECH (HUNAN) CO LTD

Multi-functional purifier

The invention discloses a multi-functional purifier. The multi-functional purifier comprises a casing comprising an inner cavity, a gas-liquid exchange filter element arranged in the inner cavity of the casing, a spraying device arranged above the gas-liquid exchange filter element and used for providing a solution for the gas-liquid exchange filter element, a water supply pump as well as a fan arranged above the spraying device; a solution cavity is formed in the bottom of the inner cavity; the water supply pump can deliver a solution in the solution cavity to the spraying device; the gas-liquid exchange filter element is arranged above the solution cavity; the spraying device and the fan are located in the inner cavity; an air inlet and an air outlet which communicate with the inner cavity of the casing are further formed in the casing; the air inlet is located between the solution cavity and the gas-liquid exchange filter element; and the air outlet faces an air exhaust port of the fan. With the multi-functional purifier, the use cost of the purifier can be effectively reduced, and the air purification effect can be improved.
Owner:北京智享新科技有限公司

Fine processing method of fish oil

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.
Owner:广州长生康生物科技有限公司

Method for refining monosodium glutamate by adopting macroporous highly basic anion resin

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.
Owner:卢松

Stauntonia obovatifoliola propagation method

The present invention discloses a Stauntonia obovatifoliola propagation method, which comprises: S1, making sterile explants of Stauntonia obovatifoliola; S2, culturing the sterile explants with an induced culture medium to obtain axillary buds; S3, culturing the axillary buds with a proliferation culture medium to obtain clustered shoots; S4, culturing the clustered shoots with a strong seedling culture medium to obtain Stauntonia obovatifoliola seedlings; S5, culturing the Stauntonia obovatifoliola seedlings with a rooting culture medium to obtain the rooted Stauntonia obovatifoliola seedlings, wherein the rooting culture medium contains MS, 0.3-1.3 mg / L of indole butyric acid and 0.1-0.5 g / L of active carbon; and S6, transplanting the rooted Stauntonia obovatifoliola seedlings into a matrix to culture. According to the present invention, with the tissue culture and the matrix cultivation, the wild plant Stauntonia obovatifoliola is successfully cultivated; and the reaction conditions such as the temperature, the time and the light intensity can be regulated, the obtained Stauntonia obovatifoliola has the high survival rate, the scale production of the Stauntonia obovatifoliola is solved, and the cultivation time of the Stauntonia obovatifoliola is shortened.
Owner:GUANGXI BOTANICAL GARDEN OF MEDICINAL PLANTS

Preparation method and application of ceramic membrane diffusion layer prepared by using yttrium-stabilized zirconia material

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.
Owner:DALIAN UNIV OF TECH

Vertical adjustable lifting painting and calligraphy board

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.
Owner:泗阳易木新能源科技有限公司

A kind of method utilizing Antarctic krill to prepare transglutaminase

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.
Owner:RONGCHENG GUANGRUN SEAFOOD CO LTD

Method for preparing transglutaminase from antarctic krill

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.
Owner:RONGCHENG GUANGRUN SEAFOOD CO LTD

Method for selectively adsorbing 4-tolyl aldehyde in tobacco shred

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.
Owner:GUANGDONG GOLDEN LEAF TECH DEV +1

Decoration waste treatment device for indoor design

The invention provides a decoration waste treatment device for indoor design. The decoration waste treatment device comprises a crushing structure, wherein auxiliary structures are mounted at the left end and the right end of the crushing structure; the crushing structure is fixed at the upper end of a bracket structure; a transmission structure is wound on the outer wall of the bracket structure; the whole bracket structure is fixed at the upper end of a frame structure; a base structure is mounted at the bottom of the frame structure; firstly, a feeding belt is arranged to be of an inclined structure, the feeding belt on the right side extends to the bottom of a pressing wheel on the right side, and the feeding belt on the left side extends to the top of a pressing wheel on the left side, so that decoration waste fragments can be further extruded perfectly through the two groups of pressing wheels, and the decoration waste is crushed integrally; the metal decoration waste has certain extension characteristic, so that the metal decoration waste cannot be crushed easily; and a discharging belt at the upper end of a mounting plate can convey iron substances in the transmission structure out of the device, and the effect of preliminary separation is achieved.
Owner:林秀琼

A kind of manufacturing process of hat metal sign

The invention relates to a making process of a metal tag and discloses a making process of a cap metal tag. The making process comprises a blanking process, a punching process, a resistance coating pre-coating process, a pattern outline trajectory numerical control carving process, a first electroplating process, a resistance coating removing process, a bending process, a second electroplating process, a paint coloring process and a drying process; in the paint coloring process, the back surface of the metal tag is absorbed on a magnetic positioning frame, the front surface of the metal tag faces upwards, and an internal area formed by a pattern outline trajectory is dispensed with a layer of nano-sized iron powder paint or a layer of micron-sized iron powder paint; the nano-sized iron powder paint is formed by adding nano-sized iron powder in paint; the micron-sized iron powder paint is formed by adding micron-sized iron powder in paint. The making process provided by the invention solves the problem that the paint is easy to hang on an edge when the arc-shaped metal tag is dispensed.
Owner:张家港市杨舍镇美捷配饰设计工作室

An anti-oxidation, anti-pollution dairy cow compound nutrition licking brick and its application

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%.
Owner:北京东方联鸣科技发展有限公司

High-stability and high-selectivity platinum-carbon catalyst and preparation method thereof

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.
Owner:WUXI WEIFU ENVIRONMENT PROTECTION CATALYST

Superhydrophobic cmf-tio 2 -pdms composite material and its preparation method and application

The present invention belongs to CMF-TiO 2 ‑PDMS composite technology field, disclosed superhydrophobic CMF‑TiO 2 ‑PDMS composite materials and their preparation methods and applications. Amorphous TiO 2 Supported on carbonized melamine material (CMF) framework and treated at high temperature to obtain crystalline CMF‑TiO 2 ; Under the effect of curing agent, polydimethylsiloxane (PDMS) is coated with polydimethylsiloxane (PDMS) in the CMF-TiO by thermal curing. 2 The surface is cross-linked to form a film to obtain CMF‑TiO 2 ‑PDMS composites. The superhydrophobic CMF‑TiO 2 ‑PDMS composite material, which can not only adsorb water-soluble pollutants and oil-soluble pollutants, but also effectively solve the defects of poor hydrophobicity and stability of traditional photodegradation catalytic materials, while showing good durability, stability and UV oxidation resistance .
Owner:宝能环境科技南通有限公司

How to propagate five fingers

The present invention discloses a Stauntonia obovatifoliola propagation method, which comprises: S1, making sterile explants of Stauntonia obovatifoliola; S2, culturing the sterile explants with an induced culture medium to obtain axillary buds; S3, culturing the axillary buds with a proliferation culture medium to obtain clustered shoots; S4, culturing the clustered shoots with a strong seedling culture medium to obtain Stauntonia obovatifoliola seedlings; S5, culturing the Stauntonia obovatifoliola seedlings with a rooting culture medium to obtain the rooted Stauntonia obovatifoliola seedlings, wherein the rooting culture medium contains MS, 0.3-1.3 mg / L of indole butyric acid and 0.1-0.5 g / L of active carbon; and S6, transplanting the rooted Stauntonia obovatifoliola seedlings into a matrix to culture. According to the present invention, with the tissue culture and the matrix cultivation, the wild plant Stauntonia obovatifoliola is successfully cultivated; and the reaction conditions such as the temperature, the time and the light intensity can be regulated, the obtained Stauntonia obovatifoliola has the high survival rate, the scale production of the Stauntonia obovatifoliola is solved, and the cultivation time of the Stauntonia obovatifoliola is shortened.
Owner:GUANGXI BOTANICAL GARDEN OF MEDICINAL PLANTS

Method for reducing content of phenylalanine in product

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.
Owner:CHINA AGRI UNIV

Processing method of barbecued seafood skewers

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.
Owner:ZHEJIANG OCEAN UNIV

Preparation of p-hydroxybenzaldehyde enrichment reagent and products and applications

The invention provides a preparation method of a p-hydroxybenzaldehyde enrichment reagent, the method includes the steps: acrylic acid, N-isopropyl acrylamide, N, N-dimethyl bis acrylamide is weighed,ultrasonically dissolved in water; N-tert-butyl acrylamide in anhydrous ethanol solution is added, ultrasonic degassing; after pH=5.8-6.2 is adjusted, p-hydroxybenzaldehyde is added as a template molecule; adding an aqueous solution of the initiator is added, polymerization; after the reaction is completed, the template molecule is eluted to prepare a crude molecularly imprinted polymer; the crude molecularly imprinted polymer is dialyzed, and then the dialyzate is lyophilized, the molecularly imprinted polymer solid powder is obtained, which is an enrichment of p-hydroxybenzaldehyde. The preparation method is simple in operation and low in cost, and is suitable for large-scale industrial production; and the p-hydroxybenzaldehyde enrichment reagent has a short adsorption time, and is suitable for tobacco quality control detection, and thus has broad application prospects.
Owner:GUANGDONG GOLDEN LEAF TECH DEV +1

A method for removing mist droplets in gas by combining expanded bed of glass spheres with coalescer

The invention discloses a method for removing mist droplets in a gas by combining an expanded bed of glass spheres with a coalescer, which comprises the following steps: (1) flowing industrial air into an expanded bed of glass spheres filled with porous glass spheres, and performing a preliminary (2) Introduce the preliminary purified airflow obtained in step (1) into the coalescer for fine mist to coalesce and settle, and the purified air is discharged through the coalescer. When the residual concentration is higher than 30-40ppm, it is necessary to clean the expanded bed of glass spheres and the coalescer before reuse; the industrial gas defogging method of the present invention combines the expanded bed of glass spheres with the coalescer, During the initial adsorption process of the expanded bed, the large-sized droplets in the industrial gas are separated, and the coalescer coalesces the small-sized droplets, which can effectively reduce the residual concentration of the droplets to 30ppm and increase the yield of the target product.
Owner:ZHENJIANG JIANGNAN CHEM +1
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