Chlorine dioxide gas generation agent

The present invention relates to a chlorinedioxide generating agent, its composition contains (wt%) 30%-50% of sodium chlorate or potassium chlorate, 50%-30% of solid acid matter, 0-5% of water-absorbing agent, 0-5% of alkaline matter and 0-10% of stabilizing agent. Its preparation method includes the following steps: mixing sodium chlorate or potassium chlorate salt, solid acid matter, water-absorbing agent, catalyst and stabilizing agent uniformly, and making them into granules, preparation, powder preparation, tablet and generating agent using paper as carrier. It is applicable to storehouse and freshness-keeping storage for long-period disinfection and sterilization, and is more applicable to long-period fresh-keeping treatment of fruits and vegetables.

Grape fresh-keeping paper

Double ingredients grape fresh-keeping agent and its production method

The two-component grape freshness protecting agent includes component An and component B in certain ratio and packed separately with plastic film or paper. ClO2 with bactericidal and bacteriostasis effect and SO2 capable of killing spore and preventing mold growing on the surface of grapes are used in protecting freshness of grapes in storage and transportation. The present invention can lower the SO2 residue, avoid the harm of high concentration SO2 on grapes, maintain the flavor of grapes. The present invention has ideal effect of protecting freshness of grapes.

Long-acting antistaling agent for grape

A durable antistaling agent for grape is prepared from pyrosulfite (80-95 wt.%), acid-releasing substance (5-20), hydroscopic agent (0-5) and alkaline substance (0-5) through proportional mixing, andshaping. Its advantages are low cost, long release period, and no damage, and suitable for transport and standing storage at low temp.

Method for synthesizing flower-like nanostructure composed of zinc oxide nano-rod

The invention discloses a method for synthesizing a flower-shaped nanometer structure consisting of zinc oxide nanometer rods, which belongs to the field of inorganic non-metal materials, and comprises the steps: soluble zinc salt such as zinc acetate is dissolved in water and added with an appropriate amount of paranitrobenzoic acid or ethyl naphthol to be taken as an auxiliary agent, NaOH solution is used for regulating the pH value to be 12-14, and precipitate and the solution are heated in a high-pressure autoclave for the growth of the nanometer zinc oxide. The heating mode can be microwave heating or resistance wire heating, and the outgrown nanometer structure is the flower-shaped nanometer structure consisting of the nanometer rods. The method has the advantages of simple technology and low cost, and uses the paranitrobenzoic acid or ethyl naphthol as the auxiliary agent for controlling the appearance and the size of zinc oxide crystal.

Oral cavity nursing agent for preventing and treating oral disease induced by Helicobacter pylori infection contamination

The invention provides an oral cavity nursing agent for controlling the oral cavity diseases caused by the infection of helicobacter pylori. For every 100 weight proportions, the nursing agent comprises the effective constituents which are made from the supplementary materials accepted by pharmacy and the raw material medicines with the following weight proportions of 0.4-4 proportions of banlangen, 1.2-20 proportions of taraxacum and 1.3-20 proportions of cordate houttuynia herba. And at least one of the raw materials shall be the maximum proportion. The nursing agent of the invention has the function of inhibiting the helicobacter pylori in the mouth, and can effectively control a plurality of oral cavity diseases caused by the helicobacter pylori.

Preparation and use of conservative region of recombinant helicobacter pylori adhesin

The present invention is the preparation and use of recombinant pyloric spirobacterium adhesin conservation region, and features that the NDA molecule includes a) nucleotide sequence shown in sequence No. 1, b) nucleotide sequence corresponding to the sequence of a) in the genetic code degeneracy range, or c) nucleotide sequence obtained through cross breeding of sequence of a) and/or b) in strict condition. The present invention has the advantages of cloning pyloric spirobacterium adhesin gene by means of PCR technology, constituting vector for sequence analysis and protein expression analysis, and providing antiserum to prevent pyloric spirobacterium from adhering onto the epithelium cell of stomach mucous membrane.

Recombinant helicobacter pylori outer-membrane protein 15

The recombinant pyloric spirobacterium outer membrane protein 15 features that the NDA molecule includes a) nucleotide sequence shown in sequence No. 1, b) nucleotide sequence corresponding to the sequence of a) in the genetic code degeneracy range, or c) nucleotide sequence obtained through cross breeding of sequence of a) and/or b) in strict condition. The present invention has the advantages of cloning pyloric spirobacterium outer membrane protein 15 gene by means of PCR technology, constituting vector for sequence analysis and protein expression and administrating via mucous membrane to prevent and treat pyloric spirobacterium infection.

Temperature-range false-proof non-carbon CB/CFB paper and producing method thereof

The invention belongs to the carbonless copy paper processing technology field, in particular to a temperature-changing anti-counterfeiting carbonless CB/CFB paper as well as the production method thereof. The temperature-changing anti-counterfeiting carbonless CB/CFB paper has the technical proposal that temperature-changing materials are added into the common CB coating, and when being heated to reach a certain temperature, the paper is changed from white to other colors. The temperature-changing anti-counterfeiting carbonless CB/CFB paper has the following anti-counterfeiting means that the temperature-changing materials in a certain proportion are added in the common CB coating under room temperature, the appearance of the temperature-changing anti-counterfeiting carbonless CB/CFB paper is identical with the common carbonless paper, but when being heated to reach a certain temperature, the paper is changed from white to other colors, thereby realizing the anti-counterfeiting purpose ...

New method for preparing aliphatic polyester support material

The invention relates to a new method for preparing an aliphatic polyester support material. By taking copolymers as raw materials such as polybutanediol/ethylene glycol succinate (PBES)[ polybutylene adipate (PBA), polybutylene succinate (PBS), polyethylene glycol adipate (PEA)] and the like, the polyester support material is prepared by controlling factors such as temperature, pressure, time and the like of a system under the condition of supercritical carbon dioxide. The new method has the advantages of no need of adding aids, simple preparation process and easy control of the process.

Rowing shoes

The present invention relates to a kind of water-skiing shoes, including two water shoes respectively formed from shoe body made of hard foamed polystyrene, shoe cavity and shoestring and two oars respectively formed from grip, blade and cross-bar. The above-mentioned two water shoes are identical in volume, and the volume of eachshoe is 0.06-0.08 cu.m and the toecap has a front angle of 45 deg.,and the middle portion of the water shoe is shoe cavity. Two oars respectively has two parallel cross-bars cohich are joined t otheir grips and extended from them at 90 deg. When those cross-bars of said two oars are respectively inserted into recesses positioned at rear portions of the shoe bodies, two water shoes are joined together and formed into a small stool, so that a person can seat on the small stool, wear the water shoes and hold two oars with hands, and can stand on the water surface and freely march forward.

Ultrahigh-frequency electrofluid power injection system and method based on constrained surface oscillation and clamp

The invention discloses an ultrahigh-frequency electrofluid power injection system and method based on constrained surface oscillation and a clamp, and belongs to the technical field of electrofluid jet printing. The system comprises a nozzle structure, a liquid supply system, a signal generation unit and a high-voltage power supply unit, the nozzle structure comprises an ink storage tube, piezoelectric ceramic fixed on the outer wall of the ink storage tube and a metal wire electrode arranged in the ink storage tube, the piezoelectric ceramic comprises two metal electrodes, the positive electrode is connected with the signal generation unit, and the negative electrode is grounded; the metal wire electrode is connected with the high-voltage power supply unit; the liquid supply system comprises an ink supply hose, a liquid storage bottle, a ventilation hose and an air pressure adjusting unit which are sequentially connected. Based on the superposition principle of one-dimensional pressure ...

Antistaling paper for muskmelon and its making method

Compound jiabing ear drops and preparation method thereof

The ear drops for curing acute or chronic tympanitis is prepared from borneol (4-6 portions in wt.), flavescent sophora root (8-12), asarum herb (2-5) and metronidazole (0.2-3) through decocting flavescent sophora root powder twice, merging decoctions, laying aside for 12 hr, filtering and concentration to obtain liquor A; immersing asarum herb powder in 60% alcohol for 24 hr, filtering and dissolving borneol in it to obtain liquor B; disslving metronidazole in water, filtering and regulating pH value to obtain liquor C; mixing A, B and C, addition of glycerol, stirring and regulating pH value with hydrochloric acid.

Method for preparing succinic acid by catalytically oxidizing tetrahydrofuran

The invention discloses a method for preparing succinic acid by catalytically oxidizing tetrahydrofuran. An amino acid transition metal complex is used as a catalyst, and the tetrahydrofuran is catalytically oxidized into the succinic acid in the presence of oxygen. The method comprises the following steps of: mixing amino acid and transition metal salt to prepare the catalyst, adding the catalyst into the tetrahydrofuran, and oxidizing the tetrahydrofuran into the succinic acid by using air oxygen or pure oxygen at room temperature under the heating condition.

Recombinant helicobacter pylori catalase

Method for producing organic/inorganic mixed mode semi-interpenetrating network configuration superpower water absorber

The invention relates to a preparation method of organic/inorganic compound semi-interpenetrating network super-absorbent, which comprises the following steps: linear polycation is composited with inorganic layered silicate, and is interpenetrated with hydrophilic network polymer with mild crosslinking to obtain the organic/inorganic compound semi-interpenetrating network super-absorbent. The inventive product has high thermal stability, strength and salt tolerance, which can be used in sanitary and soil improvement fields. The preparation method comprises: using cation monomer in-situ intercalation polymerization composite method or linear polycation direct intercalation composite method to prepare a linear composite solution of polycation and layered silicate, adding monomer, cross linker and initiator, polymerizing and obtaining gel at 20-90DEG C. The invention has the advantages that the invention polymerizes polycation and layered silicate to improve compatibility, and uses inter-penetrating ...

Pressure-resistant carbon-free duplicating paper and production thereof

Recombinant helicobacter pylori outer-membrane protein 25

The recombinant pyloric spirobacterium outer membrane protein 25 features that the NDA molecule includes a) nucleotide sequence shown in sequence No. 1, b) nucleotide sequence corresponding to the sequence of a) in the genetic code degeneracy range, or c) nucleotide sequence obtained through cross breeding of sequence of a) and/or b) in strict condition. The present invention has the advantages of cloning pyloric spirobacterium gene by means of PCR technology, constituting vector for sequence analysis and protein expression and administrating via mucous membrane to prevent and treat pyloric spirobacterium infection.

Hydro-thermal synthesis method for cupric oxide nano-rod

The invention discloses a hydro-thermal synthesis method of a copper oxide nanometer rod, which belongs to the field of inorganic non-metal materials, and comprises the steps: soluble copper salt such as copper sulphate is dissolved in water and added with an appropriate amount of different auxiliaries to be taken as a composite template agent, NaOH solution is used for regulating the pH value tobe 12-14, and precipitate and the solution are heated in a high-pressure autoclave for the growth of the nanometer copper oxide. The heating mode can be microwave heating or resistance wire heating, and copper oxide nanometer rods grow in the solution. The method has the advantages of simple technology and low cost, and uses the composite template agent for controlling the appearance and the sizeof the copper oxide nanometer rod.

Method for producing starch based amphiprotic absorbent resin with semi-interpenetrating network configuration

The invention discloses a preparation method of starch-based amphiprotic super absorbent resin with semi-interpenetrating network structure, which uses starch material and hydrophilic vinyl unsaturated monomer, in the presence of cross linker and initiator, via crosslinking, grafting and copolymerization to form a network polymer, to be interpenetrated with linear polycation in the solution to obtain the starch-based amphiprotic super absorbent resin with semi-interpenetrating network structure. The inventive product has good liquid absorbability, salt tolerance and strength, with simple and easy production, which can be used as water absorbent of biological degradation and used in agriculture and sanitary fields.

Recombinant helicobacter pylori catalase

The recombinant pyloric spirobacterium hydrogen peroxidase features that the NDA molecule includes a) nucleotide sequence shown in sequence No. 1, b) nucleotide sequence corresponding to the sequence of a) in the genetic code degeneracy range, or c) nucleotide sequence obtained through cross breeding of sequence of a) and/or b) in strict condition. The present invention has the advantages of obtaining pyloric spirobacterium hydrogen peroxidase gene by means of PCR technology, constituting vector for sequence analysis, protein expression analysis and activity determination, and administrating via mucous membrane to prevent and treat pyloric spirobacterium infection, to treat diseases caused by free oxygen radical, etc.

Method for synthesizing rod-like nano-zinc oxide

The invention discloses a hydro-thermal synthesis method of a rod-shaped nanometer zinc oxide, which belongs to the field of inorganic non-metal materials, and comprises the steps: soluble zinc salt such as zinc acetate is dissolved in water and added with an appropriate amount of benzoic acid to be taken as an auxiliary agent, NaOH solution is used for regulating the pH value to be 12-14, and precipitate and the solution are heated in a high-pressure autoclave for the growth of the nanometer zinc oxide. The heating mode can be microwave heating or resistance wire heating, and the outgrown structure is the zinc oxide consisting of nanometer rods. The method has the advantages of simple technology and low cost, and uses the benzoic acid as the auxiliary agent for controlling the appearance and the size of zinc oxide crystal.

Method for recovering and utilizing sewage generated during technology process of acid method for extracting aluminum oxide from fly ash

The invention discloses a method for recovering and utilizing sewage generated during the technology process of an acid method for extracting aluminum oxide from fly ash, and belongs to the technical field of joint recovery and utilization of aluminum-containing waste acid and solid wastes. The method utilizes the waste steel slag discharged during the steel making process to process the sewage generated during the technology process of an acid method for extracting aluminum oxide from fly ash, recycles aluminum oxide and iron oxide in the sewage, and consumes the acid solution in the sewage. The method comprises the following steps: adding waste steel slag into the sewage according to a certain solid/liquid ratio, wherein the sewage is measured in volume (mL), and the waste steel slag is measured in weight (g); controlling the operation temperature in a range of 50 to 100 DEG C, and the reaction time in a range of 1 to 3 hours; recovering the hydrogen gas generated during the reaction ...

Method for synthesizing thiazolyl alanine oxygen-absorbing complex

The invention provides a room-temperature solid phase and liquid phase synthesis method for an amino acid transition metal complex. The synthesis method comprises the following steps of: 1) mixing 10 mmol of transition metal salt and a proper amount of aluminium oxide (Al2O3) uniformly in a glove box (under the protection of inert gas), adding an amino acid ligand according to a certain ratio, grinding until the color of a system does not change any more, and conveying the solid-phase synthesized amino acid transition metal complex to an oxygen-absorbing bottle or a sample bottle to be applied to the deoxidation process at different temperatures; and 2) in the oxygen-absorbing bottle or the sample bottle, dissolving amino acid in a proper amount of water, adjusting pH value to be 8 to 12, and adding the metal salt according to a certain ratio to be applied to the deoxidation process of samples at room temperature.

Antistaling paper for muskmelon and its making method

An antistaling paper for muskmelon is made up of antistaling agent and paper substrate through coating the antistaling agent on paper substrate. Said antistaling agent is prepared from iprodione (20-90 wt. portions), methyl thiophanate (0-50), carbendazim (0-50), calcium chloride (or calcium nitrate) (0-30), and adhesive (5-20) through mixing the raw materials in powder state and mixing with 5-10times of water. Its advantages are simple process, convenient application, high safety and high antistaling effect.

Method for preparing g pyridyl alanine oxygen-absorbing complex

The invention provides a method for preparing an oxygen-absorbing complex, which tests the oxygen-absorbing property of the complex. A room-temperature solid phase preparation method comprises the following step of grinding transition metal salt and a ligand in a glove box (under the protection of inert gas) until the color of a sample does not change any more. A room-temperature liquid phase preparation method comprises the following steps of: dissolving the ligand in water; adjusting the pH value of the solution to be 8 to 12; and adding a certain amount of metal salt into the solution quickly. The complex prepared by the method is conveyed to an oxygen-absorbing bottle or a sample bottle and serves as a deoxidizer at room temperature.

Preparation method for multilayer film with self-recovery capability

The invention discloses a preparation method for a multilayer film with self-recovery capability, which belongs to the field of macromolecular thin film preparation and biomedical and chemical engineering, and aims to prepare a coating material with self-recovery performance so as to prolong the service life of a material and improve the use safety of the material. After a substrate is pre-coated with poly-dimethyl diallyl ammonium chloride, sodium carboxymethylcellulose and polyurethane are used as film materials, and the multilayer film is prepared by a layer-by-layer self-assembling technology. The prepared thin film can realize quick self-recovery on physical injury in salty liquid or an organic environment. The preparation method has the advantages that requirements on preparation conditions are low, equipment is simple, pollution is avoided, and the product is high in biocompatibility and self-recovery performance and can be used as a material surface protection coating layer; the ...

Antifebrile oral liquor

Method for recovering and utilizing aluminum-containing waste sulfuric acid

The invention discloses a method for recovering and utilizing aluminum-containing waste sulfuric acid, and belongs to the technical field of joint recovery and utilization of aluminum-containing waste acids and solid wastes. The method utilizes the waste iron slag discharged during the steel making process to react with aluminum-containing waste sulfuric acid to reduce the sulfuric acid content in the waste acid, wherein the sulfuric acid content can be reduced to 1% or less, and aluminum oxide and iron oxide in the waste acid are recovered at the same time. The method comprises the following steps: utilizing a rotary evaporator to process aluminum-containing waste sulfuric acid until the sulfuric acid content exceeds 70%; adding waste steel slag into the condensed aluminum-containing waste sulfuric acid according to a certain solid/liquid ratio, wherein the aluminum-containing waste sulfuric acid is measured by volume (mL), and the waste steel slag is measured by weight (g); controlling ...

Ultrasonic wave acid method for extracting aluminum oxide from fly ash

The invention relates to a method, which takes an acid solution as the extracting agent and utilizes an ultrasonic wave technology to extract aluminum oxide from fly ash. The method comprises the following steps: grinding fly ash until the particle size of fly ash is smaller than 200 meshes, loading the fly ash into an ultrasonic wave reactor; evenly mixing the fly ash with water according to a certain liquid/solid ratio; adding concentrated sulfuric acid with a concentration of 10 to 98% into the mixture according to a theoretical acid consumption value of aluminum oxide and other cation oxide in the fly ash, evenly mixing; stirring the mixture in an enclosed system to carry out an ultrasonic wave heating reaction; carrying out solid-liquid separation, removing impurities, and washing until the filter residue is close neutral so as to obtain an aluminum sulfate solution. The aluminum oxide in the fly ash is leached by using sulfuric acid as a leaching agent and using ultrasonic wave as ...

Slow-release solid chlorine dioxide preservative

The invention relates to a slow-release solid chlorine dioxide preservative used in transport and refrigerated storage of fruits and vegetables. Adopting specific Xinjiang bentonite as an adsorbent of acidic materials, the preservative can effectively slow release of the acidic materials and ensure the acidic materials to slowly release and slowly react with chlorates under the action of inorganic salts to generate chlorine dioxide to play a role in long-time sterilization, thus being suitable for transport and storage and fresh-keeping of fruits and vegetables. The preservative is prepared by using the chlorates and the inorganic salt additives as raw materials, uniformly mixing 50-70% of chlorates and inorganic salts with 30-50% of acidized Xinjiang Hefeng and Tuokexun bentonite according to the mass ratio and selecting plastic paper films with air permeability of 2.48cm3/m2.d.Pa and moisture permeability of 13.25g/m2.24h as slow-release films to carry out heat seal package. The preservative ...

Development method for pylorus helicobacterium adhesion agent HpaA gene engineering vaccine

The present invention features that the microcapsulated helicobacillus pyloricus adherent agent (HpaA) with nucosa is fed to an animal, and has obvious immunogenicity. The present invention has simple technolgicy process and high immunological, effect, and it may be used as an important and effective remedy for treating chronic aastritis, peptic ulcer and even gastric cancer ...

二氧化氯葡萄保鲜剂

The grape preservative of chlorine dioxide features that the chlorine dioxide is produced with sodium chlorite 1-85 wt% and porous matter 15-99 wt%, the weight ratio between sodium chlorite and solid acid matter is 0.2-10, and the amount of stabilizer is 1-60 %. It is prepared through the following steps: adsorbing sodium chlorite with surfactant in porous matter, mixing with solid acid matter and stabilizer, pelletizing or tabletting and packing with paper or plastic film. The grape preservative may be used in the transportation and storage of grape to maintain its flavor and taste.

一种新型绿色葡萄保鲜剂

An antistaling agent for green grape is prepared from the durable antistaling agent of grape (described in the Chinese patent whose application number is 01137211.7), oxidant, alkaline substance and gas absorbent through respectively shaping and proportional mixing. It can keep the active concentration of SO2 in packing container for green grape.

Preparation method and application of Cu-CuO/Co (OH) 2 for catalytic reduction of 4-nitrophenol

The invention relates to a preparation method and application of Cu-CuO/Co (OH) 2 for catalytic reduction of 4-nitrophenol, according to the method, different copper salts are used as copper sources, a Cu-CuO/Co (OH) 2 composite heterogeneous catalyst with a micro-nano structure is synthesized through a hydrothermal precipitation method and a roasting method, and 4-nitrophenol can be directly converted into 4-aminophenol in an excessive sodium borohydride aqueous solution. The method for catalytic reduction of toxic 4-nitrophenol by using copper or copper oxide nanoparticles as an important industrial intermediate 4-aminophenol is an effective method for environmental restoration and pollutant removal.

Temperature-range false-proof non-carbon CF paper and producing method thereof

The invention belongs to the carbonless copy paper processing technology field, in particular to a temperature-changing anti-counterfeiting carbonless CF paper as well as the production method thereof. The temperature-changing anti-counterfeiting carbonless CF paper has the technical proposal that the common CF paper is added with a leuco dye, when the paper is heated to reach a certain temperature, the leuco dye is melted and is reacted with carbonless paper chromogenic reagent for color displaying, the paper is changed from white to other colors, thereby realizing the anti-counterfeiting purpose. The leuco dye adopted by the invention is usually a phthalide or fluorine compound containing the structure of a lactone ring. The leuco dye is colorless or pale under room temperature, if being contacted with acidic materials under a certain condition, the lactone ring in the structure is opened to form a conjugated-system, thereby displaying a color. If the leuco dyes with different functional ...

Rowing shoes

Method for preparing novel zinc terpyridine blue fluorescent powder

The invention relates to a method for preparing novel zinc terpyridine blue fluorescent powder, which is characterized in that: 4'-(4-methoxyphenyl)-2,2':6'2''-terpyridine and a zinc salt are used as a raw materials; and a solvothermal method is adopted. The method is suitable for different zinc salts and can obtain different kinds of blue fluorescent powder with similar structures.

Recombinant helicobacter pylori heat shock protein 60

The recombinant pyloric spirobacterium heat shock protein 60 features that the NDA molecule includes a) nucleotide sequence shown in sequence No. 1, b) nucleotide sequence corresponding to the sequence of a) in the genetic code degeneracy range, or c) nucleotide sequence obtained through cross breeding of sequence of a) and/or b) in strict condition. The present invention has the advantages of cloning pyloric spirobacterium heat shock protein 60 gene by means of PCR technology, constituting vector for sequence analysis and protein expression analysis, and possessing high immunity.

Recombinant helicobacter pylori outer-membrane protein 15

Transportation type preservative paper for red grapes

The invention relates to transportation type preservative paper for red grapes, which is characterized in that ceraceous materials are used as hydrophobic materials, and a mixture of pyrosulfite and organic acid is diffused in the ceraceous materials (the weight proportion of pyrosulfite and organic acid to the ceraceous materials is 10:90 to 90:10) to form an active material layer capable of slowly releasing SO2. Hot pressing is carried out on the active material layer by non-woven fabrics and breathable film to form the preservative paper. The release period of the preservative paper in the low and damp transportation process of red grapes can reach four or five days, and the residue amount of SO2 in the preserved red grapes is smaller than 10 ppm.

False proof particle non-carbon manifold paper CF paper and producing method thereof

The invention belongs to the carbonless copy paper processing technology field, in particular to an anti-counterfeiting particle carbonless copy CF paper as well as the production method thereof. The anti-counterfeiting particle carbonless copy CF paper has the technical proposal that anti-counterfeiting particles are added in the CF coating of the carbonless copy paper, while colorful anti-counterfeiting particles can be clearly seen under visible light, colorless fluorescent anti-counterfeiting particles can be easily observed under ultraviolet light, and the color change of temperature-changing anti-counterfeiting particles can be observed according to the temperature changing range when the condition is satisfied. The anti-counterfeiting particles with different colors can be used by being mixed according to a certain proportion. During identification, observation can be carried out or certain instruments can be used for determining whether the anti-counterfeiting particles accord with ...

Oral cavity nursing agent for preventing and treating oral disease induced by Helicobacter pylori infection contamination

The invention provides an oral cavity nursing agent for controlling the oral cavity diseases caused by the infection of helicobacter pylori. For every 100 weight proportions, the nursing agent comprises the effective constituents which are made from the supplementary materials accepted by pharmacy and the raw material medicines with the following weight proportions of 0.4-4 proportions of banlangen, 1.2-20 proportions of taraxacum and 1.3-20 proportions of cordate houttuynia herba. And at least one of the raw materials shall be the maximum proportion. The nursing agent of the invention has the function of inhibiting the helicobacter pylori in the mouth, and can effectively control a plurality of oral cavity diseases caused by the helicobacter pylori.

Large size hydrate potassium borate nonlinear optical crystal, preparation and use thereof

The invention relates to a large size hydrate potassium borate nonlinear optical crystal, the preparation and use thereof. The formula of the crystal is: K3B3O6.4H2O, which belongs to rhombic system, the space group is Pna2(1), and the molecular weight is 317.79. The preparation contains the following steps of: based on an aqua-solution method, slowly volatiling the water content for 3-60 days to obtain the crystal, selecting the crystal with better quality as seed crystal, lowering temperature proceedingly or maintaining the constant temperature so as to obtain the large size hydrate potassium borate nonlinear centimetre-sized optical crystal. The nonlinear optical effect of the crystal is 0.5 times than that of the KDP crystal, the transparent optical band is 190nm-2650nm. The growth process of the crystal is simple in operation and low in cost. The reagents used in the preparation are all inorganic materials, and have advantages of low toxicity, short growth period, stable physicochemical ...

Recombinant helicobacter pylori heat shock protein 60

Hydro-thermal synthesis method for cupric oxide nano-rod

The invention discloses a hydro-thermal synthesis method of a copper oxide nanometer rod, which belongs to the field of inorganic non-metal materials, and comprises the steps: soluble copper salt such as copper sulphate is dissolved in water and added with an appropriate amount of different auxiliaries to be taken as a composite template agent, NaOH solution is used for regulating the pH value to be 12-14, and precipitate and the solution are heated in a high-pressure autoclave for the growth of the nanometer copper oxide. The heating mode can be microwave heating or resistance wire heating, and copper oxide nanometer rods grow in the solution. The method has the advantages of simple technology and low cost, and uses the composite template agent for controlling the appearance and the size of the copper oxide nanometer rod.

Antifebrile oral liquor

The present invention relates to an antipyretic oral liquor made up by using the Chinese medicinal materials of bupleurum root, coptis root, scutellaria root, gardenia fruit, gypsum, licorice, piloseasiabell root and cassia twig as main raw materials through a scientific preparation process. Said oral liquor has the functions of clearing away heat and toxic material, treating Shaoyang disease and dispelling pathogenic factors from the superficial muscles and reducing heat, and curing fevers resulted from various diseases, and has no toxic side effect and its effective rate is above 90%.

Method for synthesizing quadrangle tungsten oxide nano-powder

The invention relates to a preparation method of square tungsten oxide nano powder, belonging to the field of inorganic non-metallic materials. The content thereof is as follows: tungstenic acid deposition obtained by the reaction of sodium tungstate and hydrochloric acid is used as a precursor, citric acid is used as an auxiliary reagent, hydrochloric acid is used to adjust pH value and nano tungsten oxide is grown in a high-pressure autoclave by heating. Heating mode can be microwave heating and resistance wire heating, and the nanocrystalline grown is square. The characteristic of the square tungsten oxide powder material is that: the size of the square tungsten oxide is between 80 and 150nm. The advantages of the method are that: the process is simple, the cost is low and the shape and size of the tungsten oxide crystal are hydrothermally controlled by the citric acid auxiliary.

Solid-phase synthesis method of transition metal complex of polyamine and use thereof in oxygen absorption

The invention provides a solid-phase synthesis method of a transition metal complex of polyamine, which tests the solid-phase oxygen absorption performance at different temperatures of the complex. The synthesis method comprises the following steps: uniformly mixing 1 mol of a transition metal salt and a proper amount of Al2O3 in a glove box (in the presence of an inert gas), adding a polyamine ligand in a certain ratio and grinding the mixture till the color of the system is constant; and transferring solid-phase synthesized transition metal complex of the polyamine to an oxygen absorption bottle or a sample bottle for use in deoxidation and oxygen removal process at different temperatures.

Frame structure and offshore recreational fishing platform manufactured by frame structure

The invention discloses a frame structure and offshore recreational fishing equipment manufactured by the frame structure, in particular discloses a frame structure and an offshore recreational fishing platform manufactured by the frame structure. The frame structure consists of a high-density polyethylene (HDPE) pipe and pipe fittings, and is characterized in that the pipe and the pipe fittings form a sealed whole through hot fusion butting. The offshore recreational fishing platform manufactured by the frame structure is characterized in that the frame structure is provided with a pedal, and handrails are arranged around the pedal. The frame structure and the offshore recreational fishing platform have the advantages that a fully-sealed integral frame can substitute a polystyrene foam floater of a conventional platform to provide adequate buoyancy for the whole platform, and can also substitute wood board and steel structures of the conventional platform to provide a framework structure ...

Preparation and use of conservative region of recombinant helicobacter pylori adhesin

Method for producing organic/inorganic mixed mode semi-interpenetrating network configuration superpower water absorber

The invention relates to a preparation method of organic/inorganic compound semi-interpenetrating network super-absorbent, which composites linear polycation and polymer to obtain organic/inorganic compound semi-interpenetrating network super-absorbent. The inventive product has high thermal stability, strength and salt tolerance, which can be used in sanitary and soil improvement fields. The preparation method comprises using cation monomer in-situ intercalation polymerization composite method or linear polycation direct intercalation composite method to prepare a composite solution of polycation and layered silicate, adding monomer, cross linker and initiator, polymerizing and obtaining gel at 20-90DEG C. The invention has the advantages that the invention polymerizes polycation and layered silicate to improve compatibility, and uses inter-penetrating network structure and organic/inorganic composite structure to improve product strength and salt tolerance.

Ethylene adsorbent and preparation method thereof

The invention relates to a preservative used for adsorbing ethylene generated during the preservation and the transportation of fruits and vegetables. The endemic bentonite in the Xinjiang province is adopted as an acidic material, the release rate of the acidic material is effectively reduced to achieve the slow release of the acidic material, and the effective combination of the acidic materialand potassium permanganate increases the adsorption efficiency of potassium permanganate, so as to achieve the purpose of rapidly and effectively removing ethylene and increasing the preservation time of fruits and vegetables. In the invention, potassium permanganate and acidic bentonite are adopted as the main materials of the ethylene adsorbent and mixed uniformly and proportionally with inorganic salts and then packaged with non-woven fabric or an air-permeable film to make the ethylene adsorbent with high adsorptivity. The ingredients of the ethylene adsorbent are as follows: potassium permanganate ...

Solid chloride dioxide generating agent

The invention discloses a solid chloride dioxide generating agent. The solid chloride dioxide generating agent comprises the following components in percentage by mass: 30 to 60 percent of chlorate components (A), 30 to 60 percent of sulfite components (B) and 0 to 10 percent of additive component (C). The mechanism of the generation of ClO2 gas is that: the sulfite components absorb the moisture released by fruits and vegetables to generate reducing SO2 gas, and the SO2 gas reduces the chlorate components to generate the ClO2 gas. The invention overcomes the disadvantages of difficult speed control, high concentration of early ClO2 gas and low production safety of the solid chloride dioxide generating agent during the release of the ClO2 gas, and provides a novel method for generating solid ClO2. The postharvest diseases of the fruits and vegetables can be effectively inhibited, and the usability and safety of the solid chloride dioxide generating agent in the application of the preservation ...

Method for synthesizing magnesium hydroxide with surface hydrophobicity

The invention relates to a method for synthesizing magnesium hydroxide with surface hydrophobicity, and the method comprises the steps of dissolving magnesium salt (such as chloride, sulfate, nitrate, perchlorate and the like) in water, transferring into a hydrothermal reaction vessel, adding fatty acid (such as oleic acid, stearic acid and the like) or fatty acid salt (such as sodium oleate, potassium stearate and the like) and ethanol, further adding alkaline solution of sodium or potassium (such as hydroxide, carbonate and the like), closing the hydrothermal reaction vessel, carrying out reaction for a period of time at the certain temperature, naturally cooling to room temperature, sequentially washing a solid sample in the vessel by using the water and the ethanol, and carrying out vacuum freeze drying, thereby obtaining the magnesium hydroxide with the surface hydrophobicity. The method has the beneficial effects that (1) the method can complete the synthesis of the magnesium hydroxide ...

Metal ions adsorbed by bentonite and regenerating method thereof

The invention relates to metal ions adsorbed by bentonite and a regenerating method of the metal ions adsorbed by the bentonite. According to the regenerating method, a good effect is achieved by treating Cu2+, Ni2+ and Co 2+ waste water through the bentonite serving as an adsorbent, after the collected metal ions are subjected to complexation and separation in a two-phase system, the metal ions adsorbed by the bentonite and oleic acid radical ions are subjected to complexation and transferred to an organic phase, the bentonite in a water phase can continue to be used for adsorbing metal ions after being washed centrifugally, the oleic acid-metal coordination compound in the oleic phase is respectively calcinated in the argon environment and the air environment to form nano metal oxide powder with high added-value, and resource utilization of the metal ions is achieved.

Method for synthesizing rod-like nano-zinc oxide

The invention discloses a hydro-thermal synthesis method of a rod-shaped nanometer zinc oxide, which belongs to the field of inorganic non-metal materials, and comprises the steps: soluble zinc salt such as zinc acetate is dissolved in water and added with an appropriate amount of benzoic acid to be taken as an auxiliary agent, NaOH solution is used for regulating the pH value to be 12-14, and precipitate and the solution are heated in a high-pressure autoclave for the growth of the nanometer zinc oxide. The heating mode can be microwave heating or resistance wire heating, and the outgrown structure is the zinc oxide consisting of nanometer rods. The method has the advantages of simple technology and low cost, and uses the benzoic acid as the auxiliary agent for controlling the appearanceand the size of zinc oxide crystal.

Large size hydrate potassium borate nonlinear optical crystal, preparation and use thereof

The invention relates to a large size hydrate potassium borate nonlinear optical crystal, the preparation and use thereof. The formula of the crystal is: K3B3O6.4H2O, which belongs to rhombic system, the space group is Pna2(1), and the molecular weight is 317.79. The preparation contains the following steps of: based on an aqua-solution method, slowly volatiling the water content for 3-60 days toobtain the crystal, selecting the crystal with better quality as seed crystal, lowering temperature proceedingly or maintaining the constant temperature so as to obtain the large size hydrate potassium borate nonlinear centimetre-sized optical crystal. The nonlinear optical effect of the crystal is 0.5 times than that of the KDP crystal, the transparent optical band is 190nm-2650nm. The growth process of the crystal is simple in operation and low in cost. The reagents used in the preparation are all inorganic materials, and have advantages of low toxicity, short growth period, stable physicochemical ...

Room-temperature solution growth method of nonlinear optical crystal hydrated rubidium borate

The invention discloses a room-temperature solution growth method of nonlinear optical crystal hydrated rubidium borate, which is a room-temperature solution method and comprises the following steps of: mixing raw materials according to the certain proportion, placing the solution in a clean and non-polluted environment without air convection to obtain crystals at room temperature within 1-4 months after water is slowly volatilized from the solution, and then selecting seed crystals with higher quality to hang or put the bases of the seed crystals in a saturated solution with newly prepared proper pH value to obtain larger sizes of transparent hydrated rubidium borate nonlinear optical crystals by the room-temperature thermostatic method. The molecular formula of the crystal grown by the method is Rb[B5O6(OH)4].2H2O, belonging to the orthorhombic system, the space group is Aba2, and the molecular weight is 339.58; and the nonlinear optical effect of the crystal is 1/3 times of KDP (Potassium ...

False proof particle non-carbon manifold paper CF paper and producing method thereof

The invention belongs to the carbonless copy paper processing technology field, in particular to an anti-counterfeiting particle carbonless copy CF paper as well as the production method thereof. The anti-counterfeiting particle carbonless copy CF paper has the technical proposal that anti-counterfeiting particles are added in the CF coating of the carbonless copy paper, while colorful anti-counterfeiting particles can be clearly seen under visible light, colorless fluorescent anti-counterfeiting particles can be easily observed under ultraviolet light, and the color change of temperature-changing anti-counterfeiting particles can be observed according to the temperature changing range when the condition is satisfied. The anti-counterfeiting particles with different colors can be used by being mixed according to a certain proportion. During identification, observation can be carried out or certain instruments can be used for determining whether the anti-counterfeiting particles accordwith ...

Catalyst for preparing vinyl chloride and preparation method thereof

The invention relates to the technical field of catalysts, in particular to a catalyst for preparing vinyl chloride and a preparation method thereof. The activity of the heteroatom molecular sieve body catalyst used in the preparation of vinyl chloride by acetylene hydrochlorination corresponds to the activity of an industrial HgCl2 catalyst in the prior art, the vinyl chloride selectivity is the same as that of the industrial HgCl2 catalyst in the prior art. The catalyst for preparing vinyl chloride a is stable in property and cannot be sublimated to run away, the damage to environment and creatures is avoided, and the quality of PVC products is ensured. Meanwhile, after the catalyst for preparing vinyl chloride is deactivated, a certain amount of air and oxygen can be introduced into a fixed bed reactor for high-temperature roasting, or the catalyst is regenerated through water-vapor treatment and can be recycled after being regenerated.

Anticounterfeit fiber carbor-free copy paper and its production method

This invention relates to an anti-false fiber noncarbon paper and its production method aiming at overcoming the shortcoming of not anti-false of the current bills made of carbon copy paper which is made by adding a certain quantites of anti-false fiber original paper to produce primary anti-false then to be specially coated to produce the noncarbon paper with anti-false function.

Method for catalyzing and synthesizing diphenylethane with molecular sieves Al-MCM-41

The invention relates to a method for preparing diphenylethane in a general formula (I) from raw materials styrene and aromatics (in a general formula II) at a certain reaction temperature by using self-made mesoporous molecular sieves Al-MCM-41 with different silica alumina ratios as a solid acid catalyst. The method for preparing the diphenylethane in the general formula (I) is characterized in that the dosage of the solid acid catalyst Al-MCM-41 is 0.1-2 percent (in percentage by mass of total feed), and the yield of the diphenylethane is higher when the molecular sieve Al-MCM-41 with a silica alumina ratio of 9.38:1 to 16.4:1 is used as the solid acid catalyst, wherein R1, R2, R3, R4, R5 and R6 are hydrogen or C1-C8-alkyl, R2, R3, R4, R5 and R6 are same as above, and R1 is same as above.

Temperature-range false-proof non-carbon CB/CFB paper and producing method thereof

The invention belongs to the carbonless copy paper processing technology field, in particular to a temperature-changing anti-counterfeiting carbonless CB/CFB paper as well as the production method thereof. The temperature-changing anti-counterfeiting carbonless CB/CFB paper has the technical proposal that temperature-changing materials are added into the common CB coating, and when being heated to reach a certain temperature, the paper is changed from white to other colors. The temperature-changing anti-counterfeiting carbonless CB/CFB paper has the following anti-counterfeiting means that the temperature-changing materials in a certain proportion are added in the common CB coating under room temperature, the appearance of the temperature-changing anti-counterfeiting carbonless CB/CFB paper is identical with the common carbonless paper, but when being heated to reach a certain temperature, the paper is changed from white to other colors, thereby realizing the anti-counterfeiting purpose ...

Method for producing starch based amphiprotic absorbent resin with semi-interpenetrating network configuration

The invention discloses a preparation method of starch-based amphiprotic super absorbent resin with semi-interpenetrating network structure, which uses starch material and hydrophilic vinyl unsaturated monomer, in the presence of cross linker and initiator, via crosslinking, grafting and copolymerization to form a network polymer, to be interpenetrated with linear polycation in the solution to obtain the starch-based amphiprotic super absorbent resin with semi-interpenetrating network structure. The inventive product has good liquid absorbability, salt tolerance and strength, with simple and easy production, which can be used as water absorbent of biological degradation and used in agriculture and sanitary fields.

Novel nano-composite double network hydrogel and preparation method thereof

The invention relates to a novel nano-composite double network hydrogel and a preparation method thereof. The preparation method of the hydrogel comprises the steps of: performing a condensation (polycondensation) reaction of amines and epichlorohydrin or polyalcohol and aldehydes in clay solution to obtain a condensate (polycondensate)/clay composite first; and adding a hydrophilic monomer under the action of an initiator and a cross-linking agent to obtain the nano-composite double network hydrogel through free radical crosslinking polymerization, wherein in the condensation (polycondensation) reaction, the amines are selected from dimethylamine, methylamine, ethylamine, propylamine, diethylamine, quadrol, propylene diamine, diethylenetriamine, triethylenetetamine and tetraethylenepentamine, the polyalcohol is selected from glycol, propanediol, glycerol, butanediol, neopentyl glycol, pentaerythritol, polyvinyl alcohol, polyethylene glycol, glucose, sucrose, sorbierite, soluble starch ...

Grape fresh-keeping paper

The fresh-keeping paper for transportation and storage of grapes is made up of pyrosulfite or hydrogen sulfite (50-90 wt.%), adhesive (5-20), slow releasing agent (1-30) and water absorbent (0-6) through mixing their powders with water, coating on substrate, drying and cutting. It features simple technology, low cost for raw material and toxic-free and good effect for fresh-keeping.

Chlorine dioxide antistaling agent

The present invention relates to a new type chlorine dioxide fresh-keeping agent. It is characterized by that its composition contains (by mass ratio) 75%-95% of chlorine dioxide gas generating agent, 0-20% of accelerator and 0-25% of delaying agent. Its preparation method includes the following steps: according to the above-mentioned mixing ratio uniformly mixing the chlorine dioxide gas generating agent, accelerator and delaying agent, then making them into granular agent, powder agent, tablet agent, and said fresh-keeping agent using paper as carrier can slowly release chlorine dioxide gas according to the requirement at different temperatures (0-40 deg.C) and different humidities (30%-100%) to attain the good releasing effect.

High non-transparent carbon-free duplicating paper and production thereof

Method for catalytic synthesis of diaryl ethane

The invention relates to a method for preparing diaryl ethane of a formula I by reacting an aromatic compound of a formula II with styrene of a formula III in the presence of a solid acid catalyst under the condition that the reaction temperature is between 120 and 160 DEG C, the pressure is one standard atmosphere, the mass ratio of the raw materials of the styrene (a formula III) and the aromatic compound (a formula II) is between 1:5 and 1:10, the dosage of the catalyst is 0.1 to 2 percent of the total batch charging mass percent, and the reaction time is 1 to 4 hours. The method is characterized by using a self-made mesoporous molecular sieve A1-MCM-41 or a loaded phosphotungstic acid and a modified mordenite of a loaded molybdophosphoric aicd as the solid acid catalyst. In a formula (I), each one of R<1>, R<2>, R<3>, R<4>, R<5> and R<6> is hydrogen or C1-C8-alkyl. In the formula (II), each one of R<1>, R<2>, R<3>, R<4>, R<5> and R<6> is the same as that in the formula (I), and R<1> ...

Compound jiabing ear drops and preparation method thereof

Preparation method for hydrophilic magnetic nano material for enrichment of glycopeptides

The invention relates to a preparation method for a hydrophilic magnetic nano material for the enrichment of glycopeptides, belongs to the fields of nano materials and bio-separation, and aims at achieving the selective enrichment of the glycopeptides. The method is characterized in that a one-pot method is used for synthesizing carbohydrates, such as chitosan, cellulose and agarose, and the hydrophilic magnetic nano material compatible with ferroferric oxide, and due to the existence of -NH2 and -OH polar groups in carbohydrate molecules in the material, the material is has the certain hydrophilicity, and the glycopeptides can be specifically enriched and purified in complex hydrolyzed proteins. According to the method, good adsorption effects of the prepared enrichment material are ensured; in addition, the preparation method has the advantages of time saving, low cost, convenience in operation and the like, and is particularly applied to the large-scale enrichment of the glycopeptides ...