116results about How to "Suitable for industrial production requirements" patented technology

This invention provides an additive which can reduce the phenols content of cigarette fumes selectively; the additive is an inorganic carrier or acetate fiber which can load ionic liquid, is added into the filter of acetate fiber so as to produce a binary complex filter, thus being capable of reducing the phenols content of cigarette fumes high selectively and having no effect on the cigarette mouth-feel in the process of reducing the damage to smokers. The additive preparation technology of the invention is simple, and the additivity is convenient and the additive can meet the requirement of industrial production.

A method for reproducing pyrmotide includes such steps as buying the developed pyrmotides, storing in cold storage case at -5-15 deg.C, choosing the bee larva, silkworm pupa, or grub as host, putting it in the internal plastic culture utensil, preferably selecting seed pyrmotide, inoculating it to said host, and test tube culture to obtain the second generation pyrmotide. It culture device is composed of a culture tray made of stainless steel and several pairs of internal and external culture utensils. A method for releasing the pyrmotides features that the cultured pyrmotides are loaded from test tubes to an open release box.

The invention provides a new method for synthesizing tapentadol hydrochloride and analogue of the tapentadol hydrochloride, and particularly provides a method for synthesizing a compound with the formula shown as a formula (1). Groups of the compound are defined in the specification. The invention also particularly provides a method for synthesizing the tapentadol hydrochloride and the analogue compound of the tapentadol hydrochloride by using 1-(3-substituted phenyl)-1-ketone compound as an initial raw material. According to the method, the raw materials are easy to obtain, and reaction conditions are mild; and the method is easy to control and operate, reduces production cost and is particularly suitable for industrial production.

The invention provides a method for preparing a transistor device. The preparation method comprises the following steps of: settling a blocking layer on a glass substrate and settling a non-crystalline silicon thin film; forming a covering layer on the non-crystalline silicon thin film and etching an induction port on the covering layer; forming a metal induction thin film on the covering layer, so that the metal induction thin film is contacted with the non-crystalline silicon thin film at the induction port; annealing for the first time to obtain a polysilicon island from the non-crystalline silicon thin film under the induction port; settling a metal absorbing layer on the metal induction thin film and annealing for the second time to form a crystallized thin film with crystalline grains distributed uniformly; removing the metal absorbing layer and the covering layer to obtain a polysilicon thin film; processing an active island pattern of a non-crystalline silicon thin film transistor (TFT) by using the polysilicon thin film; and forming a gate electrode, settling an insulating layer, opening contact holes of the grate electrode, the source electrode and the drain electrode, sputtering the metal electrodes, and settling metal interconnecting layer.

The invention relates to a molecularly imprinted material for selectively reducing TSNA content in cigarette smoke and the application thereof. The molecularly imprinted material is prepared as follows: before synthesizing the molecularly imprinted material, template molecules are mixed with functional monomers which can generate intermolecular force with the template molecules in order to generate interaction and form molecule complex; then a cross linker is added to form a highly cross-linking polymer material; then the template molecules are removed from the polymer material by chemical or physical methods. A plurality of cavities which can match with the space of the template molecules and has multi-functional sites arranged specifically are formed in the polymer; the cavities has effective selectivity to TSNA molecule. When being used for the alternative damage-reduce of cigarette smoke, the invention is best used in a composite mouth wand, and the added amount of the invention can be freely regulated according to needs. The invented substance can be added to the mouth wand according to the standard of 40mg per cigarette and can reduce the TSNA content of smoke by 24.6 percent without impacting the other components of the smoke, thereby realizing alternative damage-reduce.

An additive capable of reducing tar and carbon monoxide contained in cigarette is provided, as well as the application method of the additive, which contains inorfil loaded with metal-salt. The accretion provided by the present invention prepared and added conveniently with low cost is suitable for requirement of industrialized production, capable of well decreasing the tar and carbon monoxide contained in cigarette smoke and greatly reducing the harm to the smoker.

The invention discloses a treatment method for recovering and utilizing trimanganese tetroxide industrial wastewater. The method comprises the following processes of pretreatment manganese removal, plate-frame pressure filtration, mechanical filtration, ion exchange resin purification and the like. The method comprises the following steps: adding a neutralizer in waste water for regulating water with pH value between 8 and 11, then adding a proper amount of oxidizing agent, precipitating Mn<2+> in the solution, and filtering and removing, then filtering to remove the fine particles through mechanical filtration, finally passing the treated liquid through an ion exchange column by certain speed to remove the impurity ions like calcium and magnesium in water. The method of the invention is capable of thoroughly removing manganese by pretreatment, the obtained manganese oxide has high grade, the ion exchange resin is capable of thoroughly removing the ions of calcium, magnesium and the like, effluent quality is stable and can meet the water quality requirement of production. The invention has the advantages of simple equipment and operation, easy control of technology condition and low cost, and is suitable for industrial production requirement.

The invention discloses a new method for synthesizing rhodium caprylate (II), which is characterized by comprising the following steps: dissolving a certain amount of rhodium chloride in water; adding 120 to 300 theoretical percent of octylic acid into the water, and adjusting the pH valve of the obtained solution to between 4.5 and 6.5 by using alkali; heating the solution to the temperature of between 90 DEG C and 100 DEG C, reacting for 3 to 5 hours, and filtering the solution when the solution is hot; and fully washing by using water, and drying to obtain a green rhodium caprylate (II) product. The method for synthesizing the rhodium caprylate (II) has the advantages of high reaction speed, high yield (over 95 percent), high product purity (over 99 percent), small environmental pollution, and suitability for industrial production.

The invention belongs to the technical field of medicine, and specifically relates to a preparation method of a chiral intermediate 1R,2R-cyclohexane dimethanol. The chiral intermediate 1R,2R-cyclohexane dimethanol is an important intermediate of an antischizophrinic medicine lurasidone. Lurasidone has substantially treatment effects against both positive and negative symptoms of mental patients. A reduction agent adopted by the invention has low cost and stable property. The preparation method is suitable for industrialized productions.

The invention relates to cigarette forming paper functional paint for selectively reducing harmful substances such as phenol and the like in smoke gas, which comprises compounds such as polyethyleneglycol, levulinate, triethylene-glycol diacetate and the like. The technology can be used for effectively reducing the release quantity of phenol and NH3 in the cigarette smoke gas at high selectivity, and the harm to smokers can be greatly reduced. The invention has the advantages of simple process, no pollution on the machine and low cost, and belongs to the good technology for reducing harmful ingredients in cigarette smoke gas.

The invention relates to the field of chemical synthesis, and discloses a preparation method of ambrisentan. According to the invention, (S)-phenethylamine is adopted as a resolving agent, and forms two diastereomers with 2-[(4,6-dimethyl pyrimidine-2-yl)oxy]-3-methoxy-3,3-diphenyl propionic acid in a specific solvent; diastereomers with lower solubility are obtained through re-crystallization; and ambrisentan is prepared through acid ionization. The yield of the method is approximately 30%. The adopted resolving agent is cheap and is easy to recover. The method is suitable for industrialized productions.

The invention provides a polychlorotrifluoroethylene resin preparation method, belonging to the technical field of the preparation of fluoropolymer material. The method comprises the following steps:firstly purifying polytrifluorochloroethylene, then adopting deionized water as medium and using initiator to performing chlorotrifluoroethylene polymerization in the presence of surfactant and obtaining polychlorotrifluoroethylene resin. The invention has the advantage that the polymerization reaction time is shortened to less than 10h, the conversion rate of chlorotrifluoroethylene reach above 90%, the obtained polychlorotrifluoroethylene resin has good heat resistance and processability and degradation and metachromatism can not appear under the processing temperature of 240-280 DEG C. Therefore, the method can meet the demand of industrialized production.

The invention discloses a toxin-reducing cigarette additive, and a preparation method and use thereof. In the toxin-reducing cigarette additive, cores are made of an inorganic particulate matter such as silica gel and active carbon, shells are made of waste tobacco powder fibers, and granulation forming is performed under the action of an adhesive, and according to needs, an alkaline functional material can be added in the forming process for reducing HCN content in smoke. The preparation method of the cigarette tip particle additive is simple, the cost of the cigarette tip particle additive is low, and when the prepared additive is added into the tips, the HCN content in the smoke of cigarettes can be reduced effectively without influencing the smoke flavor of the cigarettes.

The invention belongs to the technical field of preparing 4-(4-amino phenyl)-3-morpholone, especially relates to a preparation method of 4-(4-amino phenyl)-3-morpholone and intermediate of the 4-(4-amino phenyl)-3-morpholone. The method comprises the following steps: amide intermediate cyclization, nitration, and reduction. The raw material aniline is a low-cost chemical, and the acylation raw material is easy to synthetize and low in cost. Compared with documents in which acylation is directly carried out after nitration, in the method disclosed by the invention, nitration is carried out after acylation, so that the method disclosed by the invention has the advantages no substituted group protection, high selectivity, less steps, high yield and the like. The preparation process does not need harsh reaction conditions such as high pressure, high temperature and deep cooling and also does not need an expensive palladium-carbon catalyst, and meets the requirements of industrial production.

The invention provides cellulose paper for reducing formonitrile content of cigarette smoke. Forming paper of the cellulose paper loaded with ionic liquid is applied to an acetate fiber filter tip to reduce the formonitrile content of the cigarette smoke obviously and selectively, and the mouthfeel of cigarettes is not influenced while the harm to smokers is reduced. The cellulose paper has the advantages of simple preparation technology, convenient addition and suitability for the requirement of industrial production.

The invention relates to the field of a lithium ion battery electrode material, and discloses metal element-doped lithium iron phosphate-coated lithium nickel-cobalt manganate and a preparation methodthereof. The preparation method comprises the steps of performing thermal treatment on the lithium nickel-cobalt manganate and a mixture of an M element-doped lithium iron phosphate precursor mixed liquid comprising a lithium source, a doped metal M source, an iron source and a phosphorus source; performing solid-liquid separation on a product obtained after thermal treatment, and drying to obtain a solid phase, wherein a solvent in the M element-doped lithium iron phosphate precursor mixed liquid comprising the lithium source, the doped metal M source, the iron source and the phosphorus source is used as an organic solvent. The organic solvent is used as a reaction liquid, the problem of serious water absorption of a lithium nickel-cobalt manganate ternary material, particularly a high-nickel ternary material is effectively solved, so that the metal element-doped lithium iron phosphate-coated lithium nickel-cobalt manganate having favorable electrochemical performance is prepared.

The invention relates to a preparation method for food grade disodium hydrogen phosphate, which comprises the following steps of: (1) dissolving sodium hydroxide in deionized water with stirring, and filtering for later use; (2) adding deionized water, phosphoric acid and a decolorizer into a reactor in turn, slowly adding the solution in the step (1), stopping adding the materials when the pH value of the system is between 3.5 and 4, keeping the system temperature, and continuing stirring for 40 to 60 minutes; and (3) standing the reaction liquid overnight, adding the reaction liquid into a concentrating kettle, heating the reaction liquid with uniform stirring until boiling, maintaining the boiling of the system, stopping heating until the volume of the reaction liquid is half of the original volume, naturally cooling with stirring until all crystals in the solution are precipitated, filtering and separating the crystals from crystallization mother liquor, naturally drying the obtained colorless crystals in the shade, and packing for sale. In the method, the best reaction proportion of various reactants of phosphoric acid and sodium hydroxide is determined by comparing and researching the synthesizing processes of the food grade disodium hydrogen phosphate, so that the reaction yield is improved, and the method is more suitable for industrial production.

The invention provides a technology for separating phycocyanin in spirulina by using polyvinyl ether alcohol amine through two aqueous phase extraction, belonging to the technical field of biochemical separation engineering. The technology comprises the following steps: preparing polyvinyl ether alcohol amine; carrying out two aqueous phase extraction on phycocyanin; and obtaining phycocyanin powder after concentrating and freeze-drying a phycocyanin aqueous solution, wherein the phycocyanin recovery rate can be 75-87%. The technology has the beneficial effects that the method is simple; the steps of a purification process are simplified by enriching and separating the spirulina broken wall liquid by directly using polyvinyl ether alcohol amine; the selectivity is high; the spectral purity of phycocyanin obtained through separation is A620/A280 which is greater than 2.4; the powder of fresh or dry spirulina can be adopted as a raw material, thus providing a technical method with the effect of solving the problem of high value and large scale utilization of spirulina resources.