Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

32results about How to "It is good to promote the application" patented technology

Method for online detecting and evaluating online cut tobacco mixing uniformity of cigarette

The invention belongs to the technical field of tobacco processing, and concretely relates to a method online for detecting and evaluating the online cut tobacco mixing uniformity of cigarette. A principle that the sugar/nicotine ratio of online cut tobacco of the cigarette can well reflect the intrinsic quality of the tobacco is used to establish a method for evaluating the online uniformity by using the difference of the online sugar/nicotine ratio of the cut tobacco. The method mainly comprises the following steps: preparing a model sample; determining the respective content of total plant alkaloids and total sugars in the sample by using a continuous flow technology; establishing a model for predicating the content of the total plant alkaloids (total sugars) in the cut tobacco sample; and predicating the content of the total plant alkaloids (total sugars) after the uniform mixing of the online cut tobacco according to the model, and evaluating the mixing uniformity of the cut tobacco according to the predicated content. The method can accurately realize online and real-time monitoring and evaluation of the uniformity of the mixed cut tobacco in order to lay a foundation for the stability of the quality of the cigarette; and the method can provide reference for the improvement of relevant processes and the fine control of cigarette production, so the method has good practical values and promotion and application meaning.
Owner:CHINA TOBACCO HENAN IND

Method for enhancing aroma and improving quality of cigars by using chlorogenic acid

The invention belongs to the technical field of aroma enhancement of tobacco and particularly relates to a method for enhancing the aroma and improving the quality of cigars by using chlorogenic acid.The method is applicable to cigar tobacco and specifically comprises the steps of preparing a culture medium, inoculating a chlorogenic acid degrading bacterium to prepare a seed liquid, spraying a chlorogenic acid aqueous solution onto the cigar tobacco for pretreatment, conducting stacked fermentation treatment and the like. According to the method, by spraying chlorogenic acid serving as an aroma precursor substance to the surface of the cigar tobacco and matching with fermentation and alcoholization of a specific microbial strain in the later stage, chlorogenic acid and the cigar tobaccocan better degrade and produce an aroma substance. It is proved by preliminary application experiments that after treatment by means of this processing technology, the aroma and quality of the Chinesecigars are better improved, the aroma is enhanced, the comfort degree of products is increased, the quality of the products is improved, a good application effect is achieved, and therefore a high practical value and a good application and popularization meaning are obtained.
Owner:CHINA TOBACCO HENAN IND

Quantitative analysis method for isocyanato in melamine tail gas

The invention relates to melamine tail gas analysis, in particular to a quantitative analysis method for isocyanato in melamine tail gas. The quantitative analysis method comprises the following steps of: S1, carrying out sampling; S2, carrying out pipetting; S3, accurately transferring 50.0 ml of a to-be-detected sample into an iodine flask, adding 20 ml of an analytically pure formaldehyde solution, dropwise adding a plurality of drops of a phenolphthalein indicator, and neutralizing with a 1.0 mol / L NaOH standard solution until the solution is light red; S4, heating the iodine flask on an electric furnace until boiling for 1 minute; S5, plugging, cooling to room temperature, not forming negative pressure in the flask, adding 5mL of a di-n-butylamine toluene solution into the iodine flask by using a transfer pipette, and leaching the wall of the iodine flask by using 10ml of toluene; S6, adding 50 ml of acetone into a measuring cylinder, and subjecting the mixture to a standing reaction for 15 min at the room temperature; S7, titrating excessive di-n-butylamine by using a potentiometric titration method or a chromogenic titration method; and S8, calculating the content of isocyanato according to a titration result in S7. The new quantitative analysis method for isocyanato is provided through design, operation is easy, the result is accurate, and the method has popularization significance.
Owner:SHANXI YANGMEI FENGXI FERTILIZER IND GRPCO

Recrystallization method for improving the purity of finasteride

The invention belongs to the technical field of medicine preparation, and particularly relates to a recrystallization method for improving the purity of finasteride in a preparation process of the finasteride. The method comprises the steps of preparing a crude solution, preparing a crystallization solution, carrying out crystallization on the solution, carrying out crystallization and discharging, and the like. According to the invention, a principle that a phosphoric acid-disodium hydrogen phosphate buffering solution is used for recrystallization of dissolved finasteride is adopted to remove impurity I, so that the purity of a finasteride final product is improved. The preliminary effect shows that with the recrystallization method provided by the invention, the yield can reach 90% or above, the yield is high, the total impurities after purification account for less than 0.5%, the maximum individual impurities account for less than 0.2%, the impurities I accounts for less than 0.1%,and all indexes are obviously superior to the current pharmacopeia standard. In conclusion, the recrystallization refining method provided by the application has the advantages of simple related operation, mild reaction conditions and obvious effect of purity improvement, and has good practical value for improving the medicine safety and increasing the product competitiveness.
Owner:TOPFOND PHARMA CO LTD

Sample pretreatment integration box

The application belongs to the technical field of food detection, specifically relates to a sample pretreatment integration box before detection. The structure of the box comprises a box body which can be opened and closed through a side edge and a plurality of functional structural components which are designed in parallel with the inside of the box body; the box body is divided into two parts, namely a surface shell and an inner box body formed by a bottom shell, side edges and a control panel; the functional structural components are designed in a parallel connection mode and at least comprise a crushing device and a centrifugal device; the crushing device is a cavity provided with a rotatable crushing cutter; the centrifugal device is a centrifugal machine which is symmetrically provided with a plurality of centrifugal cavities and can be driven by a motor to realize the solid-liquid separation function in a centrifugal mode. In the application, according to the sample pretreatmentrequirement in the in-situ detection process, the function aggregation and integration are carried out on each functional structural component, so that the multifunctional requirement can be adaptedto, and the in-situ detection application is facilitated. Since the sample pretreatment integration box has higher integration level and is more convenient to use, the sample pretreatment integrationbox has better practical value for ensuring the normal development of related detection work.
Owner:HENAN ZHIWEI BIOLOGICAL ENG

Multipurpose integrated hydraulic function valve group

ActiveCN113007166AAvoid the phenomenon of multiple and miscellaneous and chaotic on-site layoutReduce difficultyFluid-pressure actuator testingServomotor componentsWorking environmentPilot valve
The invention relates to the technical field of hydraulic systems of coal mine fully mechanized coal mining face transportation equipment, in particular to a multipurpose integrated hydraulic function valve group. The multipurpose integrated hydraulic function valve group comprises a main valve liquid distribution block, an embedded chain tightening motor function valve block, an embedded telescopic tail function valve block, an embedded lubricating device function valve block and an embedded cooling water system function valve block, the embedded chain tightening motor function valve block, the embedded telescopic tail function valve block, the embedded lubricating device function valve block and the embedded cooling water system function valve block are sequentially embedded into the main valve liquid distribution block from left to right in an embedded mode, a high-pressure liquid inlet, a high-pressure liquid return opening and a high-pressure liquid drainage opening are formed in the left side of the main valve liquid distribution block, a cooling water liquid inlet, a cooling water liquid return opening and a cooling water drainage opening are formed in the right side of the main valve liquid distribution block, four sets of electromagnetic pilot valves with the end faces connected are arranged on the upper surface of the main valve liquid distribution block so as to drive the corresponding function valve blocks to execute actions, and a corresponding connecting pipeline is arranged in the main valve liquid distribution block. The valve group is ingenious in design and reasonable in structure, and can effectively solve the problem that the number of hydraulic pipelines is large and the hydraulic pipelines are miscellaneous in the working environment of an underground coal mine.
Owner:山西煤矿机械制造股份有限公司

A kind of recrystallization method that improves finasteride purity

The invention belongs to the technical field of medicine preparation, and particularly relates to a recrystallization method for improving the purity of finasteride in a preparation process of the finasteride. The method comprises the steps of preparing a crude solution, preparing a crystallization solution, carrying out crystallization on the solution, carrying out crystallization and discharging, and the like. According to the invention, a principle that a phosphoric acid-disodium hydrogen phosphate buffering solution is used for recrystallization of dissolved finasteride is adopted to remove impurity I, so that the purity of a finasteride final product is improved. The preliminary effect shows that with the recrystallization method provided by the invention, the yield can reach 90% or above, the yield is high, the total impurities after purification account for less than 0.5%, the maximum individual impurities account for less than 0.2%, the impurities I accounts for less than 0.1%,and all indexes are obviously superior to the current pharmacopeia standard. In conclusion, the recrystallization refining method provided by the application has the advantages of simple related operation, mild reaction conditions and obvious effect of purity improvement, and has good practical value for improving the medicine safety and increasing the product competitiveness.
Owner:TOPFOND PHARMA CO LTD

A kind of adsorption material for reducing the release amount of hydrogen cyanide in flue gas and preparation method thereof

The invention belongs to the technical field of cigarette harm reduction and tar reduction, and in particular relates to an adsorption material capable of selectively reducing the release of hydrocyanic acid in mainstream smoke of cigarettes and a preparation method thereof. The adsorption material uses a porous material as a carrier, and sequentially passes through processes such as impregnation, drying, and roasting to load the polyphthalocyanine metal compound on the surface of the carrier, so that it can play a catalytic role in the process of selective adsorption of smoke, thereby greatly reducing the cigarette mainstream. The amount of hydrogen cyanide released in the flue gas. The invention broadens the application field of polyphthalocyanine metal compounds, increases the types of adsorption materials for reducing hydrogen cyanide in the technical field of tobacco harm reduction, and provides the adsorption material with simple preparation method, convenient operation, and selective adsorption of hydrogen cyanide The ability is high, and the raw materials are easy to obtain and the cost is low, so it has good significance for popularization and application.
Owner:CHINA TOBACCO HENAN IND +1

Bipolar high-frequency energy blood vessel closer and using method

The invention relates to the technical field of medical instruments, in particular to a bipolar high-frequency energy blood vessel closer and a using method. The bipolar high-frequency energy blood vessel closer comprises: a handle and a connecting rod, wherein a control circuit is arranged on the handle; a plier head, which is arranged at one end of the connecting rod and comprises an upper plier and a lower plier, wherein the upper plier and the lower plier are provided with respective folding surfaces; two electrode plates, which are arranged on the two folding faces respectively, wherein after the plier head is folded, the two electrode plates are attached to each other; and electric cutting plates, which are fixed to containing grooves formed in the folding faces, wherein one sides of the electric cutting plates extend out of the containing grooves and are used for being connected with vascular tissue in an abutting mode, and the electrode plates and the electric cutting plates are both conductive and are electrically connected to the control circuit. The design of the closer is ingenious, the structure of the closer is reasonable, the structural limitation of a mechanical blade is eliminated, a good operation effect is brought, and the electrode plates and the electric cutting plates have very remarkable popularization and application significance.
Owner:剑虎医疗科技(苏州)有限公司

High-tolerance heat transfer printing film for vehicle license plate and preparation method of high-tolerance heat transfer printing film

The invention belongs to the technical field of hot stamping materials, and particularly relates to a high-tolerance heat transfer printing film for a vehicle license plate and a preparation method of the high-tolerance heat transfer printing film. The heat transfer printing film comprises a tape base, a lubricating layer and a heat transfer printing layer, the heat transfer printing layer sequentially comprises an inner coating, a cross-linking curing layer, a color layer and a top coating from the part close to the tape base to the part far away from the tape base; the inner coating comprises an ethylene-hydroxyethyl acrylate copolymer, a styrene-maleic anhydride copolymer, polytetrafluoroethylene wax micro powder and an antioxidant; the cross-linking curing layer comprises melamine formaldehyde resin, polyether polyol and silicon dioxide matting powder; the color layer comprises terpene phenolic resin, hydrogenated petroleum resin and carbon black; and the top coating comprises high chlorinated polyethylene resin, a styrene-butadiene-styrene block copolymer and asphalt. The heat transfer printing film is used for manufacturing the vehicle license plate, is firm and reliable, has excellent weather resistance and chemical resistance, and can be applied to various severe and complex construction environments.
Owner:JIAOZUO ZHUOLI STAMPING MATERIAL CO., LTD.

Multifunctional red date pulping separator

The invention relates to the field of red date processing mechanical equipment, in particular to a multifunctional red date pulping separator. The multifunctional red date pulping separator comprises a machine shell, a pulping device and a filtering device, the pulping device comprises a pulping screw rod and a first belt wheel, the two ends of the pulping screw rod are movably installed on the machine shell, the first belt wheel is installed at the end, stretching out of the machine shell, of the pulping screw rod, a first filtering net is installed below the pulping screw rod, and a date pit outlet is formed in the machine shell. A first feeding port is formed in the top of the machine shell, a second feeding port is formed below the first filtering net and is in an inverted trapezoidal shape, the filtering device comprises a slurry pusher and a second belt wheel, a second filtering net is installed below the slurry pusher, a slurry outlet is formed below the second filtering net, and a rubber sheet outlet is further formed in the machine shell. The multifunctional red date pulping separator is ingenious in design and reasonable in structure, made date pulp is pure, product production requirements are met, efficiency is high, and the multifunctional red date pulping separator has remarkable application and popularization significance.
Owner:运城市风陵渡开发区康惠食品开发有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products