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631results about How to "Uniform penetration" patented technology
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Device for enhancing transdermal agent flux
InactiveUS6953589B1Less dissipationEasy and complete and reproducible skin penetrationElectrotherapySurgeryBiomedical engineering
A device (3) comprising a sheet member (6) having a plurality of microprotrusions (4) for penetrating the skin and a rigid support (15) contacting and extending across the sheet member (6) for transmitting an applied force evenly across the length and width of the sheet member (6) to reproducibly and reliably penetrate the skin with the microprotrusions (4).
Owner:ALZA CORP
Process for preparing a catalyst
InactiveUS6342465B1Uniform penetrationConsiderable energy savingOrganic-compounds/hydrides/coordination-complexes catalystsCatalyst activation/preparationPowder mixtureActive component
A process for preparing a catalyst which has a catalytically active coating of high surface area finely divided materials and catalytically active components on an inert carrier structure. A powder mixture of the finely divided materials used is impregnated with a solution of precursor compounds of the catalytically active components. By suitable combination of the finely divided materials and the precursor compounds and appropriate management of the impregnation process, a highly dispersed deposition and adsorption of the catalytically active components is ensured on the finely divided materials. Then ai aqueous coating dispersion is produced using the impregnated powder mixture and the carrier structure is coated therewith. The coating is then dried and calcined.
Owner:UMICORE AG & CO KG +1
Device and method for enhancing skin piercing by microprotrusions
InactiveUS7087035B2Uniform penetrationCreate tensionElectrotherapyJet injection syringesSkin stretchingSkin surface
A device and method for enhancing skin piercing by microprotrusions involves pre-stretching the skin to enhance pathway formation when the microprotrusions are pressed into the skin. An expandable device includes skin engaging opposite ends that contact the skin surface so that when the device is expanded the skin is stretched. The skin is placed under a tension of about 0.01 to about 10 megapascals, preferably about 0.05 to 2 megapascals. The device has a plurality of microprotrusions which penetrate the skin while the skin is being stretched by the expanded device. Another stretching device employs suction for skin stretching.
Owner:ALZA CORP
Non-penetrating filtration surgery
ActiveUS20050096639A1Raise security concernsReduce and eliminate scanningLaser surgeryDiagnosticsLight beamFiltration surgery
Apparatus for ophthalmic surgery, especially non-penetrating filtration surgery, comprising a laser source that ablates sclera tissue at steps of intermediate thickness. Optionally, the beam is scanned using a scanner and its results viewed using an ophthalmic microscope.
Owner:I OPTIMA LTD
Triaxial test system and method for unsaturated soil multi-field coupling
ActiveCN104964878AUniform Penetration and DistributionUniform penetrationMaterial strength using tensile/compressive forcesEarth material testingGeotechnical engineeringTriaxial shear test
Owner:INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
Multifunctional matrix soilless culture method and device
InactiveCN102210254ASuitable for growthPromote absorptionAgriculture gas emission reductionCultivating equipmentsNutrient solutionPlant growth
The invention discloses a multifunctional matrix soilless culture method and device. The method comprises the following steps of: filling culture matrix into a porous culture container; placing the porous culture container filled with the culture matrix into a culture bed groove; reserving gaps between the inner wall of the culture bed groove and the porous culture container to form a root exogenous space; planting plants on the porous culture container with the culture matrix; covering the upper opening of the culture bed groove with a covering substance; reserving a plant fixing hole or growth port at the position, wherein the plant is planted, on the covering substance, so that a heat-preserving, a humidity-preserving and black environment is formed in the culture bed groove; and supplying water or nutrient solution to the culture matrix in the porous culture container, wherein in the growth process of the plant, the root grows to permeate the gaps of the porous gap culture container to grow into and out of the culture container and in the space in the bed groove. By the soilless culture method and the soilless culture device, good growth environment and balanced supply of nutrients and water of the root can be guaranteed; and different irrigation modes are suitable, such as the soilless culture method for culturing various crops, the matrix culture method and the matrix and water composite culture method.
Owner:北京绿东国创农业科技有限公司
Non-penetrating filtration surgery
InactiveUS7135016B1Reduce penetrationDispersing heatLaser surgerySurgical instrument detailsPhysicsMicroscope
This invention is an apparatus for ophthalmic surgery comprising a laser source (52) that generates a laser beam (54); a scanner (56) comprising an input for said laser beam, and an output of a spatially scanned laser beam (54); controlling circuitry that drives said scanner (56) to remove tissue in a desired pattern on the eye (40); a microscope (58) for viewing said tissue removal; and a beam combiner (70) comprising a first input for a line of sight of said microscope (58) and second input for said spatially scanned beam (54).
Owner:I OPTIMA LTD
Method and composition for coating mat and articles produced therewith
InactiveUS20030134079A1Improve evenlyIncrease exposureLiquid surface applicatorsSynthetic resin layered productsGlass fiberPorosity
A coated glass mat comprises a glass mat substrate having non-woven glass fibers and a coating which essentially uniformly penetrates the glass mat substrate to desired fractional thickness of the coated glass mat. The coating imparts a tensile strength to the coated glass mat which on average is at least 1.33 times greater than the tensile strength of the glass mat substrate without the coating. In example embodiments, penetration of the coating into the glass mat substrate preferably extends to a depth of from twenty five percent of a thickness of the coated glass mat to seventy five percent of the thickness of the coated glass mat. Moreover, a non-coated thickness of the coated glass mat is sufficiently thick for bonding purposes with, e.g., a gypsum slurry or other core materials such as thermoplastic or thermosetting plastics. The coating has a porosity in a range of from 1.3 CFM to 5.0 CFM, e.g., the coating comprises a coating blend which provides the coated glass mat with a porosity sufficient to allow water vapor to escape from a gypsum slurry when heated. The coating is preferably a coating blend comprised of water, latex binder, inorganic pigment, and inorganic binder.
Owner:ATLAS ROOFING
Whipstock assembly and method of manufacture
InactiveUS7353867B2Improve permeabilityWithstanding stressSurveyDrilling rodsEngineeringMechanical engineering
The present invention discloses a whipstock assembly (100) for use in forming a lateral borehole from a parent wellbore. The whipstock assembly comprises a body (122) and a deflection member 120) above the body. The deflection member includes a concave portion (111) for deflecting a milling bit during a milling operation. Disposed on a perforation plate (110) portion of the concave portion is a raised surface feature (116). The raised surface supports a milling bit above the perforation plate portion during a milling operation. This, in turn, substantially prevents frictional contact between the milling bits and the perforation plate portion during a milling operation. The present invention also provides a novel method for manufacturing a whipstock in which a cavity portion is formed behind the perforation plate by milling out the backside of the deflection member and then joining a second back cover member to the whipstock body to complete the assembly.
Owner:WEATHERFORD TECH HLDG LLC +1
Non-aqueous electrolyte and lithium-ion battery employing same
InactiveCN105845981APromote circulationImprove wettabilitySecondary cellsOrganic electrolytesPhysical chemistryPole piece
The invention relates to the field of lithium-ion batteries, in particular to a non-aqueous electrolyte and a lithium-ion battery employing the same. The non-aqueous electrolyte comprises a lithium salt, a solvent and an additive, wherein the additive comprises a sulphonate quaternary ammonium salt and an SEI film-forming additive. By the non-aqueous electrolyte, the wettability of the electrolyte on an active material pole piece is significantly improved; a solid electrolyte membrane which is small in impedance, uniform and compact is generated on the surface of the pole piece; and the dynamic performance of the pole piece is improved, so that the battery has good cycle performance when the pole piece is highly compacted or at a low temperature.
Owner:NINGDE AMPEREX TECH
Hydrofining catalyst carrier and preparation method thereof as well as hydrofining catalyst using carrier and preparation method of hydrofining catalyst
ActiveCN103212449ALarge specific surface areaHigh porosityCatalyst carriersMetal/metal-oxides/metal-hydroxide catalystsOrganic sulfide compoundNaphtha
The invention belongs to the technical field of hydrofining catalysts, and particularly relates to a hydrofining catalyst carrier and a preparation method thereof as well as a hydrofining catalyst using the carrier and a preparation method of the hydrofining catalyst. The preparation method of the carrier comprises the steps of: mixing modified diatomite, alumina powder, a bonding agent and a pore-enlarging agent, then kneading and forming, drying and roasting to obtain the carrier, and is characterized in that the modified diatomite is prepared by steeping diatomite in alkali liquor and neutralizing in acid liquor and then carrying out water washing and filter pressing, wherein the amount of impurities on the surface and in pore spaces can be greatly reduced, thereby being beneficial to load of active ingredients; and the hydrofining catalyst prepared by using the carrier is applicable to removal of organic sulfides and unsaturated hydrocarbons in light naphtha, liquefied gas, natural gas and oil refining dry gas.
Owner:SHENYANG SANJUKAITE CATALYST
Whipstock assembly for forming a window within a wellbore casing
InactiveUS20080185148A1Improve permeabilityWithstanding stressDrilling rodsConstructionsMechanical engineeringWellbore
The present invention discloses a whipstock assembly for use in forming a lateral borehole from a parent wellbore. The whipstock assembly comprises a body and a deflection member above the body. The deflection member includes a concave portion for deflecting a milling bit during a milling operation. Disposed on a perforation plate portion of the concave portion is a raised surface feature. The raised surface supports a milling bit above the perforation plate portion during a milling operation. This, in turn, substantially prevents frictional contact between the milling bits and the perforation plate portion during a milling operation. The present invention also provides a novel method for manufacturing a whipstock in which a cavity portion is formed behind the perforation plate by milling out the backside of the deflection member and then joining a second back cover member to the whipstock body to complete the assembly.
Owner:WEATHERFORD TECH HLDG LLC
Photoresist stripping liquid
InactiveCN101295144AEfficient degreasing abilityControl etch ratePhotosensitive material processingOrganic solventCleansing Agents
The invention discloses a cleaning agent which has simple preparation method, low cost and low corrosion rate on substrate material and metallic wiring, and no pollution on environment and is used for removing the residues of photoresist. According to the weight percentage, the cleaning agent comprises the following raw materials: 1%-15% of surfactant, 5%-40% of organic amine, 5%-30% of organic solvent, 0.1%-5% of chelating agent, 0.01%-5% of corrosion inhibitor and residual quantity of pure water.
Owner:DALIAN SANDAAOKE CHEM
Small-diameter restructured structural woods and manufacture technology thereof
InactiveCN101913174AImprove mechanical propertiesGood weather resistanceWood veneer joiningManufacturing technologyFiber bundle
The invention discloses small-diameter restructured structural woods and a manufacture technology thereof. The technology comprises the steps of: firstly, cutting the small-diameter level wood with the diameters of 5-10cm into wood segments which are 180-300cm long, forming wood fiber bundles with full-length diameters of 1-5mm through fiber separation, carrying out gumming, drying, assembling a blank, gluing and other working procedures to manufacture small-diameter restructured woods, and then carrying longitudinal eiking with a finger joint or mitered method; and then, carrying staggered stacking and gluing the small-diameter restructured woods on the finger-joint positions or mitered positions in the thickness direction. The invention overcomes the technological bottlenecks that the small-diamter wood cannot be directly used as structural woods due to the problems of low density, loose structure, soft material quality, low strength and the like, and provides a new approach for the industrialization of the small-diameter woods.
Owner:CHINESE ACAD OF FORESTRY
Method of preparing membrane electrode assemblies with aerogel supported catalyst
InactiveUS20050200040A1Pore size can be alteredIncrease contactFinal product manufactureCell electrodesVitrificationPolymer science
A process of manufacturing a membrane electrode assembly comprises the steps of preparing an electrode-forming catalyst ink comprising porous aerogel supported catalyst and an electrolyte; depositing the prepared catalyst ink on a polymer film to form one or more catalyst layers; hot-pressing the one or more catalyst layers deposited on the polymer film at a temperature that is higher than a glass transition temperature of the electrolyte; decreasing the temperature of the hot-pressed catalyst layer and the polymer film; and removing the polymer film from the one or more catalyst layers.
Owner:HARA HIROAKI S +1
ITO-Ag-ITO etching liquid for AM-OLED display screen and preparation method
ActiveCN105176533AAdjust densityConsistent etch rateSurface treatment compositionsAcetic acidO-Phosphoric Acid
The invention discloses ITO-Ag-ITO etching liquid for an AM-OLED display screen and a preparation method. The etching liquid is prepared from phosphoric acid, acetic acid, nitric acid, additives, surfactants and pure water. The preparation method of the etching liquid comprises the steps that the rotating speed of a stirrer of a dosing tank is kept at normal temperature and pressure, the pure water, the phosphoric acid, the acetic acid, the nitric acid, the additives, the surfactants and the balance pure water are sequentially added into the dosing tank, and after full stirring is conducted, the ITO-Ag-ITO etching liquid is prepared by introducing a fully-stirred mixture into a filter for filtration. According to the ITO-Ag-ITO etching liquid for the AM-OLED display screen and the preparation method, the ITO-Ag-ITO etching liquid is small in particle size and high in purity, the etching rate to different metal is basically the same, and reaction is stable; the etching rate can be controlled by adjusting the concentrations of the phosphoric acid and the nitric acid, the surface of a substrate etched through the etching liquid is clean and tidy, residues do not exist, the intermetallic layering phenomenon does not exist, remaining lines are flat and smooth, and the etching angle is kept between 70 degrees to 90 degrees.
Owner:JIANGYIN RUNMA ELECTRONICS MATERIAL
Preparation of polymer composite gelling agent for grouting and application method thereof
The invention belongs to the technical field of a gelling agent for geologic hazard control as well as filling control of goaf and waste laneway or collapse craters after exploitation of other mines, and provides a formula and a method of a novel polymer composite gelling agent for grouting. The gelling agent comprises the following components in percentage by weight: 10-25% of bentonite, 5-20% of cellulose, 5-20% of vegetable gum, 10-15% of calcium hydroxide, 10-25% of inorganic hygroscopic agent, 0.5-1.5% of inorganic dispersant, 0.5-2% of inorganic flocculent, 6-18% of organic flocculent, and 5-15% of alkali metal carbonate. The gelling agent is used for processing and crushing, mixing with water, and injecting to slurry for gelling. According to the invention, the characteristics of high-hydroscopicity mineral matters and hydroscopic synthetic resin are sufficiently absorbed and utilized, and various ion groups are introduced and adjusted to obtain specific performance, so that the gelling agent has strong water solubility, can form hydrophile and water-insoluble gel in the slurry, and has excellent adhesion force to solids and dissolved matters in the slurry, good gelling property, strong water control function, high and adjustable jelling speed, low cost and no pollution.
Owner:JICHANG XIANDAO ENG MATERIAL
Preparation method for high-temperature-resistant ultra-thin antenna window
The invention relates to a preparation method for a high-temperature-resistant ultra-thin antenna window and belongs to the technical field of ceramic-based composite materials. According to the method, the high-temperature-resistant ultra-thin antenna window is prepared by a series of processes of preparation of a perform, repeated dipping of high-purity silica sol, improvement of rigidity of the composite material, machining, washing, pickling, carbon heat removal, secondary repeated dipping of the high-purity silica sol and ceramic thermal treatment. The ultra-thin antenna window prepared by the method disclosed by the invention can meet a requirement on high-temperature resistance and is also high in rigidity and high in machinable property.
Owner:SHANDONG RES & DESIGN ACADEMY OF IND CERAMICS
Preparation method of inorganic modified polystyrene insulation board
ActiveCN104961428AAvoid defectsMeet the requirements of class A fire protectionCellulosePolymer science
The invention relates to a preparation method of an inorganic modified polystyrene insulation board. In the preparation method, magnesia cement slurry is modified by raw materials such as halogenide-resistant agent, gypsum powder, styrene-acrylic emulsion, hydroxypropyl methyl cellulose and the like, the defects of the magnesia cement are overcome, the intermiscibility with the polystyrene can be improved, when in osmosis of a vacuum suction filter, the modified magnesia cement slurry is uniformly permeated into the polystyrene insulation board by utilizing negative p ressure, then the magnesia cement slurry is sent to a maintaining room to be maintained at the temperature of 20 to 25 DEG C, magnesite cement uniformly fills polystyrene particles and is tightly combined with the polystyrene particles, and the magnesite cement is good in fire resistance, so that the polystyrene insulation board can reach a grade-A fire-resisting requirement.
Owner:宁夏保利节能科技有限公司
Armoured material and its shaping method
A bullet-resistant material is composed of bullet-resistant layer and reinforcing transition layer. Its preparing process includes such steps as spreading high-osmos medium on the surface of said both layers, making a resin-filling port, arranging the spiral vacuumizing tubular wire on mould, loading said both layers and mould in a film case, sealing it, vacuumizing to suck the resin by said layers via said resin-filling port, pressing, solidifying and demoulding.
Owner:北京玻钢院复合材料有限公司
Seperator coated with electrolyte-miscible polymer and electrochemical device using the same
InactiveUS20070054184A1Improve battery safetyInhibit deteriorationCell seperators/membranes/diaphragms/spacersFinal product manufactureLithiumElectrochemistry
The present invention provides a separator in which an electrolyte-soluble polymer, which is soluble in liquid electrolyte, is coated on one or both surfaces of the separator, as well as an electrochemical device including the separator. Also, the present invention provides a method for producing an electrochemical device, comprising the steps of: (a) coating an electrolyte-soluble polymer, which is soluble in liquid electrolyte, on one or both surfaces of a separator; (b) interposing the separator produced in the step (a) between a cathode and an anode so as to assemble an electrochemical device; and (c) injecting a liquid electrolyte into the electrochemical device produced in the step (b). The electrochemical device, such as a lithium secondary battery, produced by the inventive method, has an improved safety while deterioration in the battery performance is minimized.
Owner:LG CHEM LTD
Method for producing liquid-fumigated duck tongue snack food
The invention relates to the technical field of meat product deep-processing, and in particular relates to a method for producing a liquid-fumigated duck tongue snack food. The method comprises the following steps of: defreezing duck tongues, pre-treating the refrozen duck tongues, performing kneading pickling and static pickling, paving, baking, cooling, performing vacuum package and performing multi-stage heating and sterilizing. The method has the characteristics that a liquid fumigating agent and a pickling seasoning liquid are mixed for pickling the duck tongues; and then the combined control is realized by using a baking technology and a multi-stage heating and sterilizing process, so that the liquid-fumigated duck tongue snack food is high in chewing property and high in duck tongue yield. Compared with the prior art, for method disclosed by the invention, the produced liquid-fumigated duck tongue snack food has the advantages that the nutrient component is low in loss, pickling materials are uniformly penetrated, a unique fumigating flavor is realized, the food shelf life is long and the like.
Owner:TENGQIAO POULTRY
3D printing gypsum ink and preparation method thereof
The present invention belongs to the technical field of 3D printing materials, and relates to a 3D printing gypsum ink, and the 3D printing gypsum ink is prepared from the following components by weight: 60% to 93% of gypsum powder, 2% to 20% of filler, 4% to 18% of a modifying solvent and 0.5% to 5% of a coagulant. The present invention also discloses a preparation method of the 3D printing gypsum ink, and all the raw materials are mixed and stirred evenly to obtain the 3D printing gypsum ink. The problems of low strength, poor mobility, coarse particles, poor toughness and high cost in the prior art can be solved, and an economical 3D printing forming material with industrial potential, high speed, good precision and low use cost is developed.
Owner:QINGHAI MINGYANG ENVIRONMENTAL TECH GRP CO LTD
Method for producing chemical wood pulp
InactiveCN1563564AIncrease production capacityTake advantage ofCellulose material pulpingMaterials sciencePressed wood
This invention is a chemical wood pulp productive method. It contains following steps: 1) To soak, Put the thin piece wood plate into the soak liquid container, the soaking temperature is 50-90 deg.C. Soaking time is 15-50 minutes; the soak liquids use part or whole boiling liquid. 2) To relieve squeeze and press; relieve the pressed wood plate, the pressing ratio is 3-6:1. 3) To take-out lignin: put the pressing wood plate and its soak liquid into the boiler, boiling them to do the reaction of take-out lignin.
Owner:QILU UNIV OF TECH
Pre-grouting and water plugging method for permeable layer in vertical shaft
A pre-grouting and water plugging method for a permeable layer in a vertical shaft includes the steps of reserving complete waterproof rock strata, performing spraying water treatment for a shaft body, building a water filtering layer, mounting a drainage sump and a waterproof layer, mounting and fixing a grouting guide pipe, pouring concrete grouting pad, performing water filtering layer grouting and performing grouting hole formation and laying the grouting guide pipe for grouting. The pre-grouting and water plugging method has the advantages that high grouting pressure meeting design requirements can be borne, grouting and water plugging effects under high water pressure and high grouting pressure during construction of the vertical shaft are guaranteed, the thickness of the grouting pad can be decreased to the greatest extent, and grouting pad construction and detachment workload is reduced, so that grouting effect is guaranteed, shaft body advancement speed is increased, and more obvious effect is achieved particularly as for a large-thickness permeable layer. Therefore, the pre-grouting and water plugging method can be effectively applied to pre-grouting and water plugging of the permeable layer in the vertical shaft and has good effect on experimental verification.
Owner:WUHAN SURVEYING GEOTECHN RES INST OF MCC
Three-dimensional clothes ironing dryer
ActiveCN103243529AImprove ironing effectImprove fullyIroning apparatusOther drying apparatusEngineeringAirbag
A three-dimensional clothes ironing dryer comprises a base, an airbag fixing support and an inflatable clothes rack. The inflatable clothes rack is arranged on the airbag-fixing support, and is composed of an inner airbag and an outer airbag. The inner airbag is made of heat-resisting non-breathable fabric, and can be attached to the airbag-fixing support. The inner airbag can be inflated to form a sealed human body model structure of an upper body shape or a lower body shape. The outer airbag is made of heat-resisting breathable fabric and sleeved on the outer side of the inner airbag, the outer airbag and the inner airbag form a ventilation space in between when plumped up, and are attached to the airbag-fixing support when contracted. The clothes are sleeved on the outer airbag, and warm air permeates to the surface of the clothes from the side wall of the outer airbag. By the three-dimensional clothes ironing dryer, irregular parts of the clothes can be ironed preferably.
Owner:齐志鲲
Novel organic sulfur hydrogenation catalyst carrier and preparation method thereof
ActiveCN102489336AReduce catalysisImprove adsorption capacityCatalyst carriersDispersed particle separationPseudoboehmitePtru catalyst
The invention relates to a novel organic sulfur hydrogenation catalyst carrier. A preparation method of the carrier comprises steps that: a neutralization material, pseudoboehmite (gamma-alumina), an adhesive, a hole expansion agent and a metal additive are mixed; the mixture is subject to knead-molding, drying, and roasting, such that a finished product is obtained. The method is characterized in that the neutralization material is prepared through steps that: pseudoboehmite is soaked by using an alkaline solution, and is neutralized by using an acid solution; and the pseudoboehmite is subject to washing and press-filtrating, such that the neutralization material is obtained. Therefore, impurity content in the pores is greatly reduced, such that the loading of active components is promoted. A catalyst prepared by using the carrier is suitable to be used in hydrogenation catalyzing of organic sulfur in natural gas, coke oven gas, exhaust gas, and the like. Organic sulfur is converted into inorganic sulfides; and the sulfides are removed with the cooperation of an inorganic sulfur desulfurizing agent.
Owner:BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD +1
Method for using thin-wall bamboo materials to prepare bamboo scrimbers
PendingCN108127753AEnhance the ability to defuseEffective chemical attackWood compressionReed/straw treatmentWaxLiquid waste
The invention discloses a method for using thin-wall bamboo materials to prepare bamboo scrimbers. The method includes the steps that alkali is adopted for stewing thin-wall bamboo sheets, and then defibering, gum dipping, laying and hot pressing are carried out in sequence; NaOH is used for stewing the bamboo sheets, and the bamboo sheets are processed by lipase and then subjected to defibering,wherein by means of the procedures above, the defibering effect of bamboo bundles is obviously improved by 35% or above, bamboo green and tabasheer on the surfaces of the bamboo materials are effectively subjected to chemical erosion, the purpose of breaking wax layers and silicon layers is achieved, and the effect of improving gluing is achieved. A waste liquid generated after stewing is used fordiluting a glum liquid, and the problem of discharging the waste liquid is solved; by adopting a vacuum pressurizing dipping mode, even permeation of an adhesive in the bamboo materials is achieved,consumption of the adhesive is reduced, the production cost is reduced, efficient utilization of the thin-wall bamboo materials is achieved, and the environment is protected. The physical and chemicalstrength of the scrimbers are obviously improved, the horizontal shearing strength is improved by 25% or above, the thickness swelling rate of water absorption is reduced by 100% or above, the bending strength is improved by 20% or above, and the elasticity modulus is increased by 15% or above.
Owner:GUANGDONG ACAD OF FORESTRY
Pored-tube filling and high-pressure impacting extruding grouting method
Owner:POWERCHINA ZHONGNAN ENG
Citrus Pu'er tea and preparation method thereof
InactiveCN105901196AFully convertedDark colorPre-extraction tea treatmentTea flavoringLiquid colorWater content
The invention relates to citrus Pu'er tea and a preparation method thereof. The preparation method of the citrus Pu'er tea comprises the following steps: (1) pretreating citrus: washing the citrus cleanly, drying in the air, opening a mouth at the top of the citrus to obtain a top cover, digging out pulp in the citrus, and keeping a citrus shape for standby application; (2) pretreating Pu'er tea: adjusting the water content of the Pu'er tea to 18%-35%; (3) loading the Pu'er tea into the citrus, and closing with the top cover; and (4) drying. The citrus Pu'er tea is black and moist in peel color and luster, auburnish red and bright in tea liquid color and luster, mellow and strong in taste, and strong but not astringent.
Owner:SOUTH CHINA AGRI UNIV
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