61 results about "Ammonium Muriate" patented technology

The present invention discloses a resonance scattering spectrometry for measuring ammonia nitrogen in water rapidly, the measurement steps is that 1. a standard system of ammonium muriate is prepared, and a scattering intensity I is mensurated at a point of 447m; 2. a blank system without ammonium muriate is prepared, and a scattering intensity I0 is mensurated; 3. calculation of Delta I447m = I-I0; 4. a working curve is made according to the concentration relation of the Delta I447m to the ammonium muriate; 5. a detection system is prepared by adding a measuring object containing ammonium muriate with ignorance concentration, and Delta I447M of the measuring system is obtained; 6. according to the working curve, the ammonium muriate concentration of the measuring object is calculated. Comparing with the existing method, the instrument of the method of the invention is simple, operation is easy, reagent is obtained easily, sensitivity is high, measurement range is wide, and cost is low.

The invention discloses a composition for treating chicken mycoplasma respiratory infection and a preparing method of the composition. The composition comprises, by weight, 1-10% of erythromycin thiocyanate, 40-90% of ammonium chloride and the balance anhydrous dextrose. According to the composition, the erythromycin thiocyanate is used as a main ingredient for resisting mycoplasmas, is effective in various mycoplasmas causing the chicken respiratory infection, is taken orally and can be absorbed, and can effectively treat mycoplasma infection of respiratory tracts; the ammonium chloride is an expectorant and enables sputum to be discharged easily through increase of sputum quantity, thereby facilitating removal of phlegm, enabling cheesy material and phlegm in tracheas to be diluted, dissolved and discharged out of the body, and keeping smooth breath. Through combination of the two medicines, the composition aims at pathogeny and also aims at symptomatic treatment, can effectively improve the cure rate, and reduces losses caused by respiratory disease characteristics.

The invention discloses a basic medium ZS for plant tissue culture and relates to the field of plant propagation. Every 1000 mL of the basic medium ZS contains 3075 mg of potassium nitrate, 578 mg ofammonium phosphate, 491 mg of calcium nitrate, 160 mg of ammonium chloride, 222 mg of magnesium nitrate, 396 mg of ammonium sulfate, 0.83 mg of potassium iodide, 6.2 mg of boric acid, 22.3 mg of manganese sulfate, 8.6 mg of zinc sulfate, 0.25 mg of sodium molybdate, 0.025 mg of copper sulfate, 0.025 mg of cobalt chloride, 100 mg of inositol, 0.1 mg of thiamine hydrochloride (VB1), 0.5 mg of pyridoxine hydrochloride (VB6), 0.5 mg of nicotinic acid, 37.3 mg of ethylenediaminetetraacetic acid disodium salt and 27.8 mg of ferrous sulfate. By means of the basic medium, the same tissue culture effect as an MS medium can be obtained without ammonium nitrate.

The invention discloses a phosphate solubilizing bacterium and an extraction method thereof. The phosphate solubilizing bacterium is named a strain B5, the strain B5 is a pseudomonas bacterium, determination results of biochemical criterion are gram staining is negative, a methyl red test is negative, a V-P reaction is negative, an indole test is negative, an oxidase test is negative, the strain B5 can use citrate as a carbon source to produce extracellular enzyme-gelatinase liquidation gelatin, catalase and indole are produced, and H2S is generated; the order of the phosphate solubilizing ability of the strain B5 from high to low under different carbon sources is that glucose is greater than galactose, the galactose is greater than lactose, the lactose is greater than sucrose, and the sucrose is greater than soluble phosphate starch, and the order of the phosphate solubilizing ability under different nitrogen sources is that ammonium sulfate is greater than ammonium chloride, the ammonium chloride is greater than urea, and the urea is greater than potassium nitrate; and the optimum growth temperature of the strain B5 is 28-32 DEG C, and the optimum growth pH of the strain B5 is 7-9.

The invention provides a preservation solution for a fresh amnion. The preservation solution per 1,000ml is prepared from the following ingredients: 30g to 50g of DMEM culture medium, 20g to 30g of chondroitin sulfate, 10g to 20g of low molecular dextran, 5ml to 10ml of sodium pyruvate, 10ml to 20ml of non-essential amino acids, 5ml to 10ml of gibberellin, 10ml to 20ml of HEPES, 10g to 20g of pentaerythritol, 2g to 3g of ammonium chloride, 3ml to 5ml of DMPU, 15g to 20g of nano-silica, 8ml to 10ml of carotene, 12ml to 15ml of indoleacetic acid, 5g to 6g of calcium cyanamide, 3g to 5g of hydrocortisone and the balance of water for injection. By using the preservation solution provided by the invention, the fresh amnion can be preserved for 1 to 2 weeks at normal temperature and can be preserved for 1 year or more at the temperature of 4 DEG C, and the use is convenient; the form of the amnion is not changed, and the survival rate of cell active factors contained in the amnion is relatively high.

The invention relates to a hair growing type special cosmetic and in particular relates to anti-hair-loss shampoo for women. The anti-hair-loss shampoo for women comprises the following raw material components in parts by weight: water, ammonium laureth sulfate, ammonium lauryl sulfate, sodium lauroyl sarcosine, cocamidopropyl betaine, glycol distearate, guar gum hydroxypropyl trimethyl ammonium chloride, sodium chloride, hydrolyzed wheat protein, essence, panthenol, cetostearyl alcohol, citric acid, disodium EDTA, methylparaben, methylisothiazolinone, an anti-hair-loss agent and an antioxidant. The anti-hair-loss shampoo for women adopts a natural plant formula, contains ingredients such as cacumen biotae extract, polygonum multiflorum root extract, fructus viticis extract, rhodiola roseaextract and ganoderma atrum extract, can clean scalp dirt, has better antibacterial effect on scalp, nourishes the scalp, is beneficial to improvement of a hair growing environment, improves toughness of hairs, reduces hair loss and broken hairs and has a protective effect on damaged hairs.

The present invention relates to a dimeric surfactant (GAP) and its preparation method. Said surfactant is obtained by using ammonium p-nonylphenoxy-2-hydroxypropyltrimethyl chloride (NPQT) as monomer and coupling dimeric NPQT. The measurement of critical micelle concentration (CMC) shows that the CMC value of GAP is two magnitude orders lower than NPQT, so that its surface activity is obviously raised.

The invention is an additive for cordyceps liquid culture medium, which relates to the optimization of fluid culture north cordyceps culture medium components, increasing the mycelium dry weight of the north cordyceps abd gte secondary metabolite output by adding zinc chloride, olive oil, growth hormone and ammonium muriate. The invention has positive effects of: changing the culture medium components based on the ordinary north cordyceps fluid culture, promoting the physiological metabolism function of the north cordyceps, quickening the growth velocity and the synthesis of the metabolite cordycepic acid, wherein, the mycelium dry weight can reach about 16.8g / L, the content of can reach 1.375g / L and above, and the adenosine content can achieve more than 80mg / L.

The invention discloses a method for detecting the contents of carcinonitrile, quaternary ammonium salt and ammonium, potassium and calcium impurity ions thereof by adopting a cation exchange suppressed conductance method. The quaternary ammonium salt is N-(3-chloro-2-hydroxypropyl)-N,N,N-trimethylammonium chloride; the sample injection volume of a sample is 25[mu]L; after sample injection thereof, the sample is brought by an eluent into an IonPac CS 17 (4mm*50mm) guard column and an IonPac CS 17 (4mm*250mm) analytical column which are connected to an ion chromatograph for separation; 2mmol / Lof methanesulfonic acid is used as the eluent; at a flow rate of 1.0mL / min, conductance detection shows that the separation degrees of the carcinonitrile, 3-chloro-2-hydroxypropyltrimethylammonium chloride, NH4<+>, K<+> and Na<+> are greater than 1.5. By the method, the overall stability and the reproducibility are ideal and determination data are accurate and reliable; the method can be widely applied to food production, biomedicines and other industries.

The invention discloses compound bronchitis syrup. The syrup is prepared from the following active pharmaceutical ingredients in parts by weight: 0.6-1.2 parts of carbetapentane citrate, 6-12 parts of ammonium chloride, 30-40 parts of almonds, 20-25 parts of gypsum, 20-45 parts of platycodon root, 3-9 parts of sodium benzoate, 70-90 parts of liquid extract of liquorice, 350-400 parts of sugars and the balance of water. The syrup has the good effects that the syrup combines the traditional Chinese medicines with the western medicine; the traditional Chinese medicines are used for treating the root causes and have the functions of enhancing the repairing and healing effects of bronchitic foci, enhancing the immunological functions of bodies and restoring the accommodation function of human bodies to the environment; the western medicine is used for treating the symptoms and has the functions of eliminating trachea and lung inflammation and improving the lung functions; the syrup absolutely conforms to the principles of the traditional Chinese medicines and the western medicine and the characteristics of minds and bodies of bronchitis patients; on the premise of the general principles, different compositions can be provided according to different people and have different functions; the medicine sources are accessible and the costs of the medicines are low, so that the burdens of the patients can be reduced.

The invention discloses a plant cultivation medium. The plant cultivation medium is characterized by comprising 50-60 parts of grass carbon, 20-30 parts of vermiculite, 5-10 parts of perlite, 4-8 parts of cell division agent and 5-8 parts of ammonium muriate. The plant cultivation medium is appropriate in PH (potential of hydrogen) and beneficial to plant growth; with the proper porosity, excellent air and water permeability is achieved.

The invention relates to a towel softening treatment agent and a preparation method thereof. The treatment agent comprises ingredients in parts by mass as follows: 12-24 parts of dihydrogenated tallow dimethyl ammonium chloride, 1.3-2.7 parts of sodium lauryl polyoxyethylene ether sulfate, 1.2-2.8 parts of polyoxyethylene tallow alkylammonium salt, 1.5-4 parts of urea, 0.02-0.06 part of sodium chloride, 3-8 parts of coconut monoethanol amide, 10-20 parts of stearic acid, 2-4.5 parts of glycerin and 16-30 parts of ethylene glycol. According to the provided towel softening treatment agent and the preparation method, the treatment agent can treat towels made of various materials, has functions of decontamination, static electric resistance, crease release and sterilization, can remove various stains of fruit juice on the towel and can sterilize more than 98% of residual bacteria on the towel, so that the towel can become clean, fluffy, soft and flat.

The invention discloses a children's bronchitis syrup, which is prepared from the following raw materials by are weight: 0.8-1.2 parts of carbetapentane citrate, 6-9 parts of ammonium chloride, 45-60 parts of Berberis thunbergii, 62-80 parts of sunglo, 32-45 parts of Platycodon grandiflorum, 4-10 parts of sodium benzoate, 30-40 parts of an extractum glycyrrhizae liquidum 280-360 parts of carbohydrate and the balance of water. The invention has the following benefit effects: the syrup has definite therapeutic effect fast effectiveness and no toxic or side effect; the preparation method is easy and simple for production operation; the syrup is convenient for storage and transport; the medicinal herbs resources are easily available, so as to mitigate the burden of patient; and the syrup has sweet taste and small dosage, and is easily accepted by the children.

The invention discloses rapid paraquat detection test paper prepared by a preparation method of the rapid paraquat detection test paper. The rapid paraquat detection test paper is characterized by being formed by steeping with hydroxylamine sulphate, sodium sulfite, triisopropanolamine, ammonium chloride, ammonium hydroxide, glycine betaine and starch, and using quantitative filter paper; each square centimeter of filter paper comprises 0.8-3.0 mg of hydroxylamine sulphate, 0.5-2.0 mg of sodium sulfite, 0.1-0.5 mg of triisopropanolamine, 1.0-2.0 mg of ammonium chloride, 0.5-2.0 mg of ammoniumhydroxide, 0.02-0.1 mg of glycine betaine and 0.3-1.0 mg of starch; and the filter paper can be the quantitative filter paper. The test paper is convenient to carry, convenient and rapid to operate, intuitional in detection, good in selectivity and relatively high in detection correctness and sensitivity. In the preparation process of the rapid paraquat detection test paper, the required conditions are easy to control, the energy consumption is low and the operation is simple.

A leather antibacterial agent is characterized by being prepared by, by weight, 5 parts to 10 parts of zinc oxide whiskers, 6 parts to 12 parts of nonylphenol polyoxyethylene ether, 4 parts to 7 parts of vaseline, 1.2 parts to 3 parts of extractum glycyrrhizae, 2 parts to 4 parts of coconut oil amide propyl PG-dimethyl ammonium chloride phosphate, 3 parts to 6 parts of mint, 4 parts to 8 parts of schizonepeta volatile oil, 7 parts to 16 parts of perfluoro caprylic acid, 5 parts to 7 parts of hydroquinone, 5 parts to 9 parts of dichloroethane, 6 parts to 8 parts of silver loaded activated carbon, 4 parts to 7 parts of absolute ethyl alcohol and 3 parts to 5 parts of benzalkonium bromide. The leather antibacterial agent has the beneficial effects of having the strong sterilization and mouldproof functions, playing a good role in protecting leather, effectively resisting invasion of mucedine, and being high in safety and non-toxic to a human body.

The invention discloses an attapulgite particle for air purification, and a preparation method thereof. The attapulgite particle is prepared from, by weight, 140-160 parts of modified attapulgite, 30-50 parts of a solid waste fiber material, 10-20 parts of diatomite, 6-10 parts of nanometer bentonite, 6-10 parts of modified sepiolite, 4-6 parts of sodium carbonate, 4-6 parts of a styrene-butadieneemulsion, 4-6 parts of camphor bark, 4-6 parts of ammonium molybdate, 4-6 parts of folium artemisiae argyi, 4-6 parts of ammonium chloride, 2-4 parts of amino resin, 2-4 parts of carbomer, 2-4 partsof methyl citrate, 2-4 parts of xanthan gum, 2-4 parts of acrylic acid, 2-4 parts of octyl acrylate, 2-4 parts of potassium persulfate, 2-4 parts of tourmaline powder, 5-7 parts of pore-forming granules, 5-7 parts of an additive and 200-220 parts of water. The attapulgite particle has a good air purifying function and an excellent sterilizing effect; and the modified attapulgite is adopted, so that the anti-mildew effect is enhanced, the adsorption purifying time in the air purifying process is effectively prolonged, the working timeliness is enhanced, and the air purifying time is prolonged.

The invention discloses a covalent bond type alkali-free accelerator and a preparation method thereof. The alkali-free setting accelerator is prepared from the following components in percentage by mass: 40-50% of an inorganic component A, 5 to 10 percent of alkylol amine, 1 to 3 percent of organic acid, 12 to 15 percent of organic component B, 0.25 to 0.35 percent of catechol and the balance of water; wherein the inorganic component A is prepared from the following components in percentage by weight: 200 to 300 meshes of polyaluminum sulfate, nano gamma-aluminum oxide, a silane coupling agentsolution and 95 weight percent of ethanol water, and the organic component B is prepared from dimethyl diallyl ammonium chloride, acrylic acid and initiator water in proportion. The alkali-free setting accelerator is long in service life and good in construction performance; the introduced organic component has higher charge density and proper molecular weight, and can be bonded and precipitatedwith calcium ions in cement, thereby promoting gypsum consumption, enhancing the hydration rate of C3A and shortening the coagulation time of the product.

The invention discloses a prepared Chinese ink resistant to blooming and a preparation method thereof. The prepared Chinese ink resistant to blooming comprises the following raw materials by weight: 12 to 16 parts of carbon black, 10 to 15 parts of bone glue, 4 to 7 parts of silicate, 6 to 10 parts of ammonium chloride, 0.1 to 0.4 part of camphor oil, 0.1 to 0.5 part of isothiazolinone, 0.2 to 0.5 part of fatty alcohol polyoxyethylene ether, 0.3 to 0.8 part of sodium fluosilicate and 60 to 70 parts of water. The prepared Chinese ink provided by the invention is stable in performance and not prone to layering; and when the prepared Chinese ink is used for painting on paper, the prepared Chinese ink is free of diffusion and blooming and allows painting and calligraphy to be better preserved.

The invention discloses a decorative antibacterial leather coating. The decorative antibacterial leather coating is prepared from the following raw materials in parts by weight: 0.7 to 1 part of ammonium metaborate, 1.7 to 2 parts of polyvinylpyrrolidone, 0.8 to 1 part of polyacrylamide, 0.1 to 0.13 part of triethanolamine, 190 to 200 parts of methyl methacrylate, 3 to 4 parts of sodium dodecyl sulfate, 0.1 to 0.2 part of urotropin, 0.2 to 0.3 part of ammonium persulfate, 6 to 7 parts of 20 to 25 percent formaldehyde solution, 16 to 20 parts of zinc acetate, 4 to 7 parts of silver nitrate, 1.6 to 2 parts of microcrystalline wax, 0.8 to 1 part of dodecyl trimethyl ammonium chloride, 0.1 to 0.2 part of trimethylolpropane, 0.1 to 0.2 part of guaiacol, 1 to 2 parts of butyl oleate, 2 to 3 parts of ash calcium powder and 1.6 to 2 parts of stannous chloride. The coating disclosed by the invention has good bacteria resistance and excellent water vapor permeability and water resistance; a leather coated by obtained emulsion is good in bacteria resistance and excellent in sanitary property.

The invention discloses a black dots remover and application thereof, and relates to the field of biotechnology application. The black dots remover consists of the following components in parts by weight: 8-8.5 parts of ammonium chloride, 0.5-1.5 parts of potassium bicarbonate, 0.03-0.04 part of disodium EDTA and 995-1005 parts of double distilled water, and the application of an immunofluorescence mounting medium solution remover includes the following steps: A1, digesting adherent cells with 0.25% of pancreatin into a single-cell suspension; A2, performing centrifugal treatment on the single-cell suspension, re-depositing the single-cell suspension with the remover according to claim 1 after the centrifugal treatment, standing for 3-5min at room temperature, and then performing diluting with 10-15mL of PBS solution to obtain a diluent; and A3, carrying out centrifugal treatment on the diluent, carrying out re-suspension and re-culture with a medium after the centrifugal treatment to complete removal of the black dots. According to the black dots remover and the application thereof, the principle that the black dots are removed with the remover is different from the antibiotic sterilization principle, and the method is a physical method, so that sterilization is faster and more thorough, and the cost can also be lower.

The invention discloses test paper for determining cobalt concentration and a determination method and relates to the technical fields of quality detection and environmental monitoring. A reagent loaded by the test paper is prepared from the following components in percent by mass: 0.5-5% of ETDA, 0.05-1% of sodium alkyl sulfate and 0.05-4% of murexide. A preparation method comprises the followingsteps: (1) preparing an ammonia-ammonium chloride buffer solution; 2) preparing a soaking liquid; 3) soaking filter paper or a filter paper strip sequentially in the soaking liquid, and drying the filter paper or the filter paper strip to obtain the test paper for determining cobalt concentration; and 4) inserting the test paper into a standard solution, and drawing a scaleplate for the determined cobalt concentration according to a linear relationship. The test method comprises the following steps: inserting the test paper into a to-be-tested solution to measure the color changing height ofthe test paper, and searching for corresponding cobalt concentration with reference to the scaleplate for cobalt test or to a parameter list. Concentration of the to-be-tested subject can be reflectedby measuring the length of the color changing belt with the scaleplate, so that defects of conventional test paper are overcome. Compared with the prior art, the test paper is higher in accuracy andthe relative standard deviation RSD is within 10%.

The invention discloses an anti-hair loss shampoo capable of inhibiting regeneration of white hair, and a preparation method thereof. The shampoo comprises the following raw materials by weight percent: 0.1-0.3% 0f a surfactant C-500, 0.1-0.3% 0f JR-30M, 12.0-17.0% 0f AESA, 4.5-5.0% of K12A, 0.3-0.7% of CMEA, 0.5-1.0% of ROUNATE LC008, 0.03-0.1% of zinc sulfate, 0.8-1.2% of TAB-2, 1.0-1.5% of pearl platelet, 0.1-0.3% of macadamia oil, 1.3-1.7% of M550, 0.3-0.7% of APM, 0.3-0.7% of an excipient HE, 0.2-0.5% of an emulgator BP, 0.3-0.7% of a suspending agent SF-1, 0.2-0.5% of OCT, 1.2-1.7% of ZPT, 0.05-0.15% of citric acid, 0.8-1.2% of NMF-50, 0.8-1.2% of tuber fleeceflower root extract, 3.5-4.5% of ginger root extract, 1.5-2.5% of oenothera biennis seed extract, 8.0-12.0% of mulberry leaf extract, 0.2-0.5% of DMDMH, 0.05-0.1% of cason, 0.8-1.2% of ammonium chloride, 0.4-0.8% of essence, and 0.1-0.3% of fruit-green pigment, and the balance of deionized water. The shampoo has the effects of efficiently preventing hair loss and inhibiting the regeneration of white hair.

The invention discloses a wood adhesive. The wood adhesive is prepared from the following raw materials in parts by weight: 2.5-4.2 parts of ammonium chloride, 0.8-1.6 parts of acrylamide, 1-1.8 parts of aluminate waterproofing agent, 3-8 parts of potato starch, 3-8 parts of diatomite, 0.5-1.6 parts of 4-nonyl phenol, 2.8-4.6 parts of polyamide polyamine epichlorohydrin resin and 1.2-3.6 parts of trioctyl citrate. Compared with the traditional product, the wood adhesive has the advantage that starch serving as a main component is rich in source, is low in cost and is environmentally friendly, thus ensuring low cost, cleanness and non pollution of the wood adhesive; adhesive strength and water resistance of the starch-based wood adhesive can be comparable with those of a three-formaldehyde resin adhesive, and the technical defects that environment is polluted and health is endangered due to toxic aldehyde compounds brought by the traditional three-formaldehyde resin adhesive used for adhesion in a wood product are also solved; the starch-based wood adhesive can be cured at room temperature and can also be widely applied to the field of splicing of wood-based panels and woods and the like.

The invention discloses a method for preparing ammonium manganese phosphate crystal. Manganese chloride or manganese sulfate is used as a manganese source reactant, ammonium phosphate is used as a phosphorus source reactant, and starch is used as a biological regulating agent to prepare the ammonium manganese phosphate crystal. The method comprises the following steps: sequentially adding manganese chloride or manganese sulfate, ammonium phosphate, and a mixture solution of starch and ammonium chloride or ammonium sulfate into a communicating reactor provided with left and right ear grooves and left, middle and right baffles, and filtering, washing and drying a product after the reaction is finished to obtain the ammonium manganese phosphate crystal. The purity of the prepared ammonium manganese phosphate crystal reaches 99.0%-99.9%, the yield reaches 95%-97%, the purity and crystallinity are high, and the method has the advantages of being simple in process, mild in reaction condition, low in energy consumption and cost and the like.

The invention discloses an antibacterial agent for treating beriberi. The antibacterial agent is prepared from 0.05% of dodecyl dimethyl benzyl ammonium chloride, 0.04% of didecyl dimethyl ammonium chloride, 0.5% of alkyl dimethyl ammonium chloride, 3.0% of a peppermint extract solution, 2.0% of borneol, 2.0% of plant essential oil, 1.5% of a solubilizer and the balance of purified water. The antibacterial agent adopts dodecyl dimethyl benzyl ammonium chloride and didecyl dimethyl ammonium chloride as main sterilization components and has broad-spectrum and high-efficiency sterilization capacity; besides, three kinds of plant essential oil including cedarwood essential oil, holly essential oil and citronella essential oil are added, have a good curative effect on beriberi, can improve repair capacity of skin and mucosa and improve immunity of the organism; peppermint and the borneol are added to promote drug absorption by skin, and the drug can act on the skin for a long time, so thatthe effects of resisting bacteria, diminishing inflammation and repairing the skin are improved.

The invention discloses an antibacterial and bactericidal material for a coating. The antibacterial and bactericidal material for the coating is prepared from the following raw materials: modified nano zinc oxide, a thickening agent, dipotassium glycyrrhizinate, an activating agent, chitosan, polydiallyl dimethyl ammonium chloride and deionized water. The antibacterial and bactericidal material for the coating has excellent antibacterial and bactericidal performance, has good killing capacity on various bacteria and viruses such as escherichia coli, staphylococcus aureus, bacillus subtilis, salmonella and pseudomonas aeruginosa, and is excellent in anti-aging performance; the antibacterial and bactericidal material can play good antibacterial and bactericidal effects and anti-aging effectsonly by adding 2% of the antibacterial and bactericidal material into the coating and can effectively save the cost and has wide application; the antibacterial and sterilizing performance and the anti-aging performance of the antibacterial and sterilizing material for the coating are remarkably improved by modifying the nano zinc oxide and adding the activating agent.

The invention relates to an agent for removing pollution by interior decoration, which is prepared from the following raw materials (by weight percent): water 55-85%, ammonium carbonate 0-6%, sodium carbonate 0-10%, ammonium acetate 3-16%, sodium chloride 0-5%, ammonium chloride 0-20% and urea 4-15%.

The invention discloses a preparation method and application of a mesoporous silica material. The pore diameter of the mesoporous silica material is 4.5 to 8 nm; the specific surface area of the mesoporous silica material is 200-1000 cm<2> / g; and the pore volume of the material is 0.2-2.0 cm<3> / g. The material with high specific surface area and large pore volume can be used as a slow-release agent for flavors and fragrances, and overcomes the defects that the flavors and fragrances are easy to decompose and deteriorate, rapid to volatilize and lose, short in fragrance lasting time, poor in thermal stability and the like in the application process. According to the preparation method, soluble didecyl dimethyl ammonium chloride is used as a template agent, ethyl orthosilicate is used as a silicon source, and a composite product is obtained under an alkaline condition; and the composite product is subjected to filtering, washing, drying and calcining so as to obtain the mesoporous silicawith a controllable structure. The method is short in reaction time and aging time, small in template agent usage, simple and convenient in process, capable of saving energy and reducing consumptionand convenient for large-scale production and application.

The invention relates to an anti-dandruff composition. The anti-dandruff composition comprises the following components in parts by weight: 0.001-2 parts of stearyl glycyrrhetinate, 0.01-5 parts of linoleamidopropyl PG-dimethyl ammonium chloride phosphate, 0.001-2 parts of madecassoside, and 0.001-3 parts of a plantago lanceolata extract. The four components of stearyl glycyrrhetinate, linoleamidopropyl PG-dimethyl ammonium chloride phosphate, madecassoside and the plantago lanceolata extract in the anti-dandruff composition are combined and have synergistic effects with each other, so that the anti-dandruff composition has relatively good anti-dandruff effects and bacteriostatic effects, and has relatively good repairing effects on the scalp.