Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
2172results about How to "Protect" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Coiled tubing clamping device and injection head using same
ActiveCN102704870AAvoid wear and tearImprove reliabilityDrilling rodsDrilling casingsOil productionCoiled tubing
The invention provides a coiled tubing clamping device and an injection head using the same, belonging to the field of oil production and drilling equipment. The clamping device includes a saddle-type clamping block and a clamping block seat, wherein the saddle-type clamping block is connected to the clamping block seat. The clamping device is characterized in that two sides of the saddle-type clamping block are provided with tongue-like platforms, the tongue-like platform is provided with an opening hole, the back part of the saddle-type clamping block is provided with a recess, two sides of the clamping block seat are respectively provided with a pair of bosses, the recess of the saddle-type clamping block is inserted into a slot formed by the clamping block seat bosses, a running clearance is left between the recess and the slot, and the clamping block seat is provided with a positioning screw for limiting the position of the saddle-type clamping block. The injection head comprises an oil pipe clamping mechanism and a transmission chain, wherein the oil pipe clamping mechanism is mounted on the transmission chain through two hinge pin holes on the clamping block seat. The technical proposal has the advantages that the abrasion of the oil pipe can be effectively reduced, the clamping device has operational reliability, and the clamping blocks are convenient in replacement.
Owner:YANTAI JEREH OILFIELD SERVICES GROUP +1
Coiled tubing clamping device and injection head using same
ActiveCN102704870BAvoid wear and tearImprove reliabilityDrilling rodsDrilling casingsCoiled tubingEngineering
Owner:YANTAI JEREH OILFIELD SERVICES GROUP +1
Deep plastic film residue screening and recycling machine
InactiveCN104186042AReach the effect of recyclingAchieve the purpose of collectionGatherer machinesAgricultural engineeringPlastic film
The invention relates to the technical field of agricultural machinery, in particular to a deep plastic film residue screening and recycling machine matching with a four-wheel tractor in use. The deep plastic film residue screening and recycling machine is hung on the four-wheel tractor through a connecting frame, the entire deep plastic film residue screening and recycling machine uses a left side plate and a right side plate for connection and land wheels as supports, a transmission is fixedly on a transmission support fixed on the rear side of the connecting frame and in power connection with the four-wheel tractor through a spline connecting shaft, a first driving chain wheel is fixed to the middle of a transmission main shaft of the transmission, and a second driving chain wheel is fixed on the outer side of the right side plate of the right end of the transmission main shaft; an exhaust inlet and a centrifugal fan are fixed in the rears of the left side plate and the right side plate through a fan support frame; a collection box is fixed at the rear ends of the left side plate and the right side plate through a collection box support frame. The deep plastic film residue screening and recycling machine is simple in structure, easy to operate, convenient to use and clean and thorough in plastic film recycling and is a satisfactory agricultural machine for protection of cultivated land.
Owner:青海林丰农牧机械制造有限公司
Margin-oriented self-adaptive image interpolation method and VLSI implementation device thereof
ActiveCN103500435AGuaranteed accuracyProtectImage enhancementImage analysisVlsi implementationsSynchronous control
The invention discloses a margin-oriented self-adaptive image interpolation method and a VLSI implementation device thereof. The method comprises the steps that the gradient magnitude and the gradient direction of a source image pixel are computed, and marginal information is obtained by comparing the gradient magnitude and a local self-adaptive threshold value, wherein the marginal direction is perpendicular to the gradient direction; the marginal direction is classified, filtering is conducted through the marginal information, and an image is divided into a regular marginal area and a non-marginal area; the regular marginal area interpolation is conducted in the marginal direction, and an improved bicubic interpolation method, a slant bicubic interpolation method and a slant bilinear interpolation method based on local gradient information are adopted to conduct image interpolation according to the classification of the marginal information; image interpolation is conducted on the non-marginal area through the improved bicubic interpolation method based on the local gradient information. The VLSI implementation device comprises a marginal information extraction module, a self-adaptive interpolation module, an input line field synchronous control module and an after-scaling line field synchronous control module. The margin-oriented self-adaptive image interpolation method and the VLSI implementation device of the margin-oriented self-adaptive image interpolation method can effectively improve the effect of image interpolation with high-magnification scaling, and is beneficial to integrated circuit framework achieving.
Owner:XI AN JIAOTONG UNIV
Environment-friendly water-based nano coating material used for concrete protection, and preparation method thereof
ActiveCN103275616AStable performanceGood environmental stabilityAntifouling/underwater paintsPaints with biocidesSilane couplingOrganosilicon
The invention provides an environment-friendly water-based nano coating material used for concrete protection, and a preparation method thereof. The environment-friendly water-based nano coating material comprises 15%-65% of an organic silane coupling agent, 0.5-10% of nano silica, 0.5-5% of nano titanium dioxide, 0.4%-4% of an organosilicon oligomer, 0.3%-3% of an emulsifier, 0.1%-0.6% of a bactericidal anti-algae agent, 0.01%-0.1% of a regulator, and the balance being deionized water. The environment-friendly water-based nano coating material used for the concrete protection takes advantages of a nanometer effect of nanoparticles and a hydrophobic effect of long-chain organosilicone coupling agent. The prepared environment-friendly water-based nano coating material used for the concrete protection has excellent protection performance.
Owner:江苏道成不锈钢管业有限公司
Structure and method for packaging pressure sensor
ActiveCN103487176AProtectImprove air tightnessFluid pressure measurement using piezo-electric devicesForce measurement using piezo-electric devicesHigh humidityEngineering
The invention discloses a structure and method for packaging a pressure sensor, and belongs to the technical field of microelectronic packaging. The structure for packaging the pressure sensor comprises an upper cover board, a lower cover board and a pressure sensor chip. The lower cover board is provided with a first rectangular groove and a second rectangular groove. The bottom of the first rectangular groove is embedded in the second rectangular groove so that the first rectangular groove and the second rectangular groove can be communicated to form a two-stage cavity structure. Through holes penetrating through the lower cover board are formed in the bottom of the first rectangular groove. The upper surfaces and the lower surfaces of the through holes are connected with a bonding pad and a wiring layer respectively. Protrusions of the pressure sensor chip are connected with the through holes of the lower cover board. The upper cover board is provided with a third rectangular groove. The pressure sensor chip is located inside a space formed by connecting the upper cover board and the lower cover board. The invention further discloses the method for packaging the pressure sensor. By means of the system and method for packaging the pressure sensor, the capacity for resisting a severe environment, stress uniformity, the reliability and the accuracy of the pressure sensor chip are improved, and application demands of special environments with high temperature, high humidity and the like can be met.
Owner:NAT CENT FOR ADVANCED PACKAGING
Rare earth separation method with material linkage cyclic utilization function
ActiveCN102676853ALow costSolve the problem of low extraction capacityProcess efficiency improvementOxalateCacodylic acid
The invention relates to a rare earth separation method with the material linkage cyclic utilization function. The rare earth separation method comprises the following steps: the organic phase of loaded rare earth prepared by extractant A and rare earth soap stock through mixing is used for the follow-up linkage extraction separation, and inorganic acid in the residual water phase is extracted and concentrated by extractant C and is then reused for material dissolving or recovering rare earth with oxalic acid precipitated therein; purified rare earth solution is subjected to extraction separation, the rare earth is precipitated through oxalic acid, sediment mother solution containing oxalic acid and inorganic acid is mixed with extractant B, the oxalic acid is extracted to be reused for precipitating rare earth, and the residual inorganic acid is directly used for washing and back extraction processes or is used for material dissolving after being concentrated by the extractant C. With the rare earth separation method provided by the invention, intermediate materials generated in the rare earth separation process can be recycled in process sections in a linkage manner, the alkali saponification process is avoided, and the material dissolving, washing and back extraction processes can be finished only by the recycled inorganic acid, so that the rare earth separation and purification process disclosed by the invention does not consume alkaline and inorganic acid, the cost is low, and the rare earth separation method is green and environmental-friendly.
Owner:CHINA MINMETALS BEIJING RES INST OF RE
Slope protection pile pouring and cable bolting construction method for deep foundation pit
InactiveCN102031784ASimplify construction stepsFacilitate construction quality controlDrill bitsExcavationsLine tubingRebar
The invention discloses a slope protection pile pouring and cable bolting construction method for a deep foundation pit. The method comprises the following steps of: 1, making preparations before construction; 2, pouring a slope protection pile, namely measuring, paying off, molding and constructing the poured slope protection pile, punching holes on the poured slope protection pile, binding and hoisting a steel reinforcement cage for molding the slope protection pile, pouring concrete into the poured slope protection pile and constructing a crown beam at the top end of the pile; and 3, excavating a foundation in a layered form and constructing anchor ropes on different rows, namely excavating a first-layer foundation, arranging a first row of anchor ropes, arranging a steel waist rail, arranging anchor heads of the anchor ropes, tensioning the anchor ropes and finishing excavating processes of different layers of foundations and arranging different rows of anchor ropes. The method has a reasonable design, simple construction steps, low investment cost, large support depth and good using effect, and solves the problems of complicated construction steps, high construction cost, inconvenience in control, easy damage to surrounding pipelines, roads, buildings and the like, large construction space and the like existing in the conventional double-row pile supporting method can be solved.
Owner:SCEGC NO 6 CONSTR ENG GRP CO LTD
Exhaust gas subsequent processing method and method therefor
ActiveCN101103185ASave spacePrevent freezingInternal combustion piston enginesExhaust apparatusInternal combustion engineBiomedical engineering
The invention relates to a method and device for subsequently treating exhaust gases of an internal combustion engine while using a reactant, particularly a reducing agent, which is to be introduced into the exhaust gases. According to the invention, the reactant is pumped by means of a delivery device (4), particularly a pump, out of a reactant reservoir (1) and to a dosing device (80), particularly a dosing valve so that after the dosing device is opened, the reactant can be introduced into an exhaust gas line of the internal combustion engine in a dosed manner (dosing operation). Reactant can be conveyed back from the delivery device (4) to the reactant reservoir (1) via a return line (12). The reactant can circulate between the delivery device (4) and the reactant reservoir (1) whereby, particularly when the dosing device is closed, preventing the reactant from freezing (freezing prevention).
Owner:ROBERT BOSCH GMBH
Treatment method of continental shale gas well fracturing operation waste liquid
ActiveCN103043831AProtectSimple processWaste water treatment from quariesMultistage water/sewage treatmentLiquid wasteWater resources
The invention relates to the technical field of waste liquid treatment, relates to wastewater treatment of development of continental shale gas and especially relates to a treatment method of a continental shale gas well fracturing operation waste liquid. The treatment method of continental shale gas well fracturing operation waste liquid is characterized in that the treatment method is carried out by five steps of: adjusting pH, oxidizing and reducing viscosity, flocculating and settling, separating solid and liquid, absorbing and filtering. The method provided by the invention has the characteristics of simple process, low cost, continuous treatment, safe production, stable treatment effect and no limit of environment condition; the treated water can be recycled; the fracturing liquid or reinjection formation is configured, so that the water resource is saved; and the method provided by the invention is beneficial to environmental conservation.
Owner:RES INST OF SHAANXI YANCHANG PETROLEUM GRP
Excavation method for deep and big foundation pit in long-distance crossing field for shallow-buried subway
The invention discloses an excavation method for a deep and big foundation pit in a long-distance crossing field for a shallow-buried subway. The excavation method includes a first step of arranging separating walls, and dividing the foundation pit into a big foundation pit away from a subway tunnel and a small foundation pit adjacent to the subway tunnel, a second step of adopting a reinforcing mode that super-deep stirring piles are combined with chemical churning piles in the small foundation pile, a third step of arranging a row of tying piles on two sides of existing ground walls of the subway tunnel and enabling the tying piles to be in rigid connection with the existing ground walls of the subway tunnel, a fourth step of arranging a plurality of precipitation wells which also serve as recharge wells in the small foundation pit, a fifth step of excavating the foundation pits, firstly excavating the big foundation pit and then excavating the small foundation pit, a sixth step of using reinforced concrete to support the big foundation pit, using the reinforced concrete to support a first support of the small foundation pit, and using steel to support the rest of the supports, and a seventh step of monitoring the operation of the subway tunnel, and using the precipitation wells to take corresponding precipitation recharge and load limiting measures according to tunnel deformation. The excavation method greatly reduces upheaval and deformation of the foundation pits, and severely controls the deformation on the periphery caused by excavation of the foundation pits.
Owner:SHANGHAI TUNNEL ENG CO LTD +1
Anti-bacterial anti-allergy composition for oral care products, toothpaste and preparation method of toothpaste
ActiveCN105534875AGrowth inhibitionProtectAntibacterial agentsCosmetic preparationsChewing gumMoisturizer
The invention discloses an anti-bacterial anti-allergy composition for oral care products. The anti-bacterial anti-allergy composition comprises an anti-allergy agent and probiotics, wherein the anti-allergy agent comprises at least one of potassium salt and / or strontium salt. The invention further discloses an application of the anti-bacterial anti-allergy composition to toothpaste, liquid toothpaste, mouth wash, tooth powder, tooth gel or chewing gum. The invention further discloses anti-bacterial anti-allergy toothpaste and a preparation method thereof. The toothpaste comprises a moisturizer, a friction agent, a thickening agent, a surfactant, a sweetening agent, essence, water and the anti-bacterial anti-allergy composition. The preparation method comprises the following steps: adding the moisturizer into a container firstly, adding the thickening agent, and rapidly stirring uniformly; adding the friction agent, the surfactant, the sweetening agent and the potassium salt and / or strontium salt in sequence, adding the probiotics, and uniformly stirring; performing vacuum pumping, adding the essence lastly, stirring, homogenizing and degassing to obtain the anti-bacterial anti-allergy composition. By adopting the anti-bacterial anti-allergy composition, symptoms such as gingival bleeding, halitosis, gomphiasis, tooth sensitivity and the like of a user can be eliminated.
Owner:CHONGQING DENCARE CORP
Construction method for integral lifting and batch step-by-step anchoring of spoke type single-layer cable net
InactiveCN106930538AReduced volume and work at heightLower requirementBuilding material handlingHeight differenceIndustrial engineering
The invention discloses a construction method for integral lifting and batch step-by-step anchoring of a spoke type single-layer cable net. A cable net structure mainly comprises vertical pillars, an outer pressing ring beam, an inner ring cable and radial cables. Obvious height differences exist in the outer end anchoring nodes of all the radial cables. According to the height differences of the anchoring nodes of the outer pressing ring beam, the radial cables are divided into different batches from a structural low point to a structural high point. The number of the batches is determined according to practical conditions. The integral cable net is lifted through a jack, all batches of the radial cables and the outer pressing ring beam are connected and anchored in batches step by step from the low point to the high point in the lifting process, and finally the structure is formed. According to the construction method, the construction support quantity and the upper air operation quantity can be reduced, the requirement quantity of a large-tonnage lifting system is reduced, installation cost is reduced, tool lightening is achieved, the construction period is shortened, and construction efficiency is improved.
Owner:SOUTHEAST UNIV
Edible film with continuous antioxidant function and preparation method and application thereof
ActiveCN104140568AAvoid the disadvantage of needing to be dissolved in acetic acid solutionAvoid Disadvantages of DissolutionFlexible coversWrappersFormation matrixNanoparticle
The invention discloses an edible film with a continuous antioxidant function and a preparation method and application thereof. Preparation parameters of tea polyphenol-chitosan hydrochloride nanoparticles are adjusted, and the prepared chitosan hydrochloride nanoparticles with different tea polyphenol encapsulation rates and particle sizes are added to a natural edible biological macromolecular film formation matrix so as to form the film. On one hand, the different encapsulation rates can change the proportion of free tea polyphenol to encapsulated tea polyphenol in the film; on the other hand, the nanoparticles in different sizes can adjust structure compactness of the film, and therefore release of the tea polyphenol in the film is coordinated and controlled. According to the edible film with the continuous antioxidant function and the preparation method and the application of the edible film, when the antioxidant film is prepared, release of active substances can be adjusted under the condition that the concentration of the active substances is definite, and the use rate of the active substances in the film is increased.
Owner:内蒙古秋实生物有限公司
Process for dyeing polyester
InactiveCN101384767AGood color fastness propertiesOverall duration shortenedFibre treatmentDyeing processDisperse dyeAfter treatment
The invention relates to a process for dyeing polyester fibre material according to the exhaust method, which process comprises the following steps: (a) pre-treatment of the fibre material with one or more surfactants, (b) dyeing with one or more disperse dyes, and (c) reductive after-treatment with a hydroxyalkylsulfinic acid or a hydroxyalkylsulfinic acid salt, wherein steps (a), (b) and (c) are carried out in succession in a single liquor.
Owner:HUNTSMAN ADVANCED MATERIALS (SWITZERLAND) GMBH
A high-power heavy-duty thin coal seam shearer
ActiveCN102287185AReasonable structural designEasy to operateMechanical energy handlingDriving meansEngineeringElectric control
The invention discloses a high-power heavy low seam mining machine, which comprises a machine body, a left traction part, a right traction part, a left cutting part, a right cutting part, a swinging arm elevating hydraulic system and an electric control system, wherein the electric control system comprises an electric control box and a controller; the left cutting part comprises a left swinging arm, a left roller and left cutting motors; the right cutting part comprises a right swinging arm, a right roller and right cutting motors; the left traction part comprises a left traction motor and a left traction transmission mechanism; the right traction part comprises a right traction motor and a right traction transmission mechanism; the left cutting motors, the right cutting motors, the left traction motor, the right traction motor and swinging arm elevating hydraulic system are controlled by the controller; and two left cutting motors and two right cutting motors are provided. The high-power heavy low seam mining machine has the advantages of reasonable design, high overall power, high mining efficiency, stable and reliable working performance and good using effect, and can be used for solving the problems of low power, low mining efficiency, poor using effect and the like existed in the conventional coal mining machine in the mining process of a low coal seam.
Owner:XIAN COAL MINING MACHINERY
Safety management method and device of file system
ActiveCN101046803APlay a power-down protectionProtectSpecial data processing applicationsMemory systemsFile systemSecurity management
The present invention relates to a safety management method of file system and its device. The described method includes the following steps: A, dividing initialized flash memory into several logical sectors, and noting state of every logical sector; B, in the flash memory interior creating mapping table of logic sector and physical sector; and C, when the data are written into logic sector, searching or modifying mapping table and making recovery management of abnormal condition. The described device includes the following several portions: division unit, creation unit and recovery management unit.
Owner:LEADCORE TECH
Metal drawing oil
The invention discloses metal drawing oil which is characterized by containing the following components in percentage by weight: 10-30% of oiliness agent, 20-40% of extreme pressure additive, 0-0.5% of antioxidant, 0-5% of corrosion inhibitor and the balance of base oil. The product disclosed by the invention contains a great deal of oiliness agent and extreme pressure additive, and can be used for providing favorable lubricating property and strong adhesive force, reducing the heat in a forming process, effectively lubricating a workpiece and a die, favorably protecting the die and prolonging the service life of the die. Due to the excellent extreme pressure property, the workpiece quality is effectively improved and the processing power is effectively increased under high, deep and difficult processing conditions; and the metal drawing oil is high in viscosity index, good in viscosity-temperature characteristics and high in temperature and weather adaptability.
Owner:LOCKS LUBE SHANGHAI
Apparatus for delivering artificial heart stent valve
The invention relates to a transmitter of artificial heart support valve, which comprises duct head, tube, near controller, middle tube, guide tube, external protector, at least one locking wire, and at least one support drawing line. The external protector can be external pin tube, or breakable external protector or the line compressor which can be twisted. The invention can rotationally position the valve, and effectively fix the expanded valve, reduce the abrasion, and avoid fall off.
Owner:BEIJING BALANCE MEDICAL
Vehicle engine oil additive and engine oil
The invention provides a vehicle engine oil additive and engine oil. The additive comprises the following components: 15 to 34 weight percent of nano WS2 powder, 0 to 24 weight percent of nano MoS2 powder, 20 to 20.5 weight percent of dispersant, 0 to 0.5 weight percent of antioxidant, 0 to 1 weight percent of metal passivant and the balance of base oil, wherein the kinematic viscosity of the base oil at 40 DEG C is 70 to 190mm2 / s, and the kinematic viscosity of the base oil at 100 DEG C is 12 to 20mm2 / s. The engine oil of the invention comprises 5 to 20 weight percent of additive and 80 to 95 weight percent of petrolic oil or comprises 15 to 25 weight percent of additive and 75 to 85 weight percent of diesel engine oil. The engine oil can improve the service life of engine, reduce oil consumption and has obvious energy-saving and emission-reducing effects and other effects.
Owner:CENT SOUTH UNIV
Lithium ion battery and preparation method thereof
ActiveCN102891334AEnsure safetyPrevent leakageFinal product manufactureCell component detailsPorous substrateEngineering
The invention provides a lithium ion battery which comprises a housing, and a battery core and electrolyte accommodated within the housing, A gel porous protection film is arranged between the housing and the battery core, and coats the outside of the battery core so as to absorb the electrolyte flowing out from the battery core and swell, and the film comprises a porous substrate and gel polymer located on the porous substrate. The invention further provides a preparation method of the lithium ion battery. The lithium ion battery provided by the invention can effectively prevent leakage inside the battery and has a good safety performance.
Owner:BYD CO LTD
Basic copper chloride production method
ActiveCN103351020AImprove recycling effectSimplified processing stepsCopper chloridesAmmoniacal nitrogenTribasic copper chloride
Owner:GUANGZHOU KECHENG ENVIRONMENTAL PROTECTION TECH
Carrier for immobilizing enzyme, use thereof, and carrier immobilized with enzyme
ActiveCN102260662AProtectImprove stabilityOn/in organic carrierContinuous reactionImmobilized enzyme
The invention relates to a novel carrier with good permeability for immobilizing enzymes. The carrier is a polymer microsphere not only with small and medium pores smaller than 90nm, but also with large pores of hundreds of nanometers. The carrier can be used for both single-enzyme immobilization and multiple-enzyme immobilization. The utilization rate of the microsphere surface can reach 70%-100%. The present invention also relates to the use of the carrier for immobilizing enzymes in immobilizing enzymes and the carrier immobilized with enzymes. Because the enzyme can be immobilized inside the carrier and can be well protected by the carrier, it has good stability, activity and reusability, and is especially suitable for column packing for continuous reactions.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI
Holographic projection device with good damping effect
InactiveCN108133680AImprove shock absorptionEasy to useNon-rotating vibration suppressionProjectorsEngineeringProjector
The invention relates to the technical field of holographic projection and discloses a holographic projection device with a good damping effect. The holographic projection device comprises a protective box body, wherein telescopic rods are fixedly connected with the bottom of the internal wall of the protective box body, buffer plates are fixedly connected to tops of the telescopic rods, first springs sleeve surfaces of the telescopic rods, first hinge seats are movably connected to the two sides of each buffer plate, one end, far away from each buffer plate, of each corresponding first hingeseat is movably connected with a supporting rod, one end, far away from each first hinge seat, of each corresponding supporting rod is movably connected with a fixing tube, one end, far away from eachfirst hinge seat, of each corresponding supporting rod is fixedly connected with a fixing plate, one end, far away from each supporting rod, of each corresponding fixing plate is fixedly connected with a second spring, and the fixing plates and the second springs are located inside the fixing tubes. The holographic projection device with the good damping effect is good in damping effect, a holographic projector can be effectively protected, and the use of users is facilitated.
Owner:徐州赛恩斯源新材料科技有限公司
Preparation method of carbon fiber-reinforced ultra high-temperature ceramic-base composite material capable of being repeatedly ablated for use
The invention relates to a preparation method of a carbon fiber-reinforced ultra high-temperature ceramic-base composite material capable of being repeatedly ablated for use. Vacuum pressure is adopted to soak and combine reaction melt, the reaction melt is permeated in the conventional carbon fiber-reinforced ultra high-temperature ceramic-base composite material, and rear-earth metal elements such as La, Y, Yb, Sc, and the like are added to achieve effects of reducing volatilization of SiO2 at a high temperature, stabilizing a ZrO2 / HfO2 crystal form and generating rare-earth zirconate or rear-earth hafnate. After ablation, glass-state SiO2 is formed on the material surface and filled between ZrO2 and HfO2; and a compaction layer of the rare-earth zirconate / the rear-earth hafnate is mixed to protect the material very well, so that repeatable ablation of the ultra high-temperature ceramic-base composite material is possible.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Humidification air conditioner and control method for humidification air conditioner
ActiveCN104764094AWater Vapor Content ControlIncrease water vapor contentMechanical apparatusSpace heating and ventilation safety systemsHigh humidityEngineering
The invention discloses a humidification air conditioner and a control method for the humidification air conditioner. The humidification air conditioner comprises a fan used for blowing surrounding moist air into a moisture absorbing device, the moisture absorbing device arranged at the air inlet side of the fan and used for absorbing the moist air and bringing the moist air into the indoor unit of the air conditioner to humidify the inside, a first condenser connected with a second condenser and forming an independent air flue system with the fan and moisture absorbing device, a switch control device arranged on the first condenser and used for controlling whether refrigerant can flow into the first condenser to heat the moist air absorbed on the moisture absorbing device, and the second condenser connected with an evaporator and used for performing normal heat exchange with the refrigerant. By means of the humidification air conditioner and the control method for the humidification air conditioner, a moisture absorbing turning wheel of the humidification air conditioner can be well protected, the moisture absorbing turning wheel is protected from a high humidity in a long time period, and accordingly the service life of the moisture absorbing turning wheel is prolonged, and the humidification requirement of a user is satisfied.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
Peony liqueur and production process thereof
InactiveCN101643695AGreat tasteSignificant anti-atherosclerosisAlcoholic beverage preparationNutritive valuesFood flavor
The invention discloses liqueur, relates to peony liqueur and a production process thereof and belongs to prepared liqueur. The method comprises the following steps: fermenting crops, such as sorghum,corn, wheat, rice or peas, and the like with a mixture of peony bark and peony seeds in a weight ratio of 100: (1-4); adding and soaking fresh peonies or star anise, dried tangerine peel, fennel, Chinese wolfberry, and the like in the prepared peony puree wine; and adding food flavor to obtain the peony liqueur, wherein the fresh peonies are added in an amount of 1-3 percent of the peony puree wine by weight; and the star anise, the dried tangerine peel, the fennel and the Chinese wolfberry are added in an amount of 0.5-2 percent of the peony puree wine by weight. The peony liqueur integratesthe functions of nourishment, healthcare and food adornment, has favorable mouthfeel and strong peony fragrance and uses the peonies with extremely high nutritive value and health value as raw materials to not only expand the use value of peony plants, but also achieve the remarkable efficacy for resisting atherosclerosis, protecting myocardial cells and the immune system, activating the blood, regulating the menstruation, obstructing the meridian and nourishing the five viscera, thereby benefiting the body, lengthening the life and suiting for long-term drinking.
Owner:郝凤英 +1
Preparation method of film bulk acoustic wave resonator with isolation layer and bulk acoustic wave resonator
ActiveCN109981069AAvoid it happening againAvoid enteringImpedence networksThin-film bulk acoustic resonatorHigh energy
The invention relates to the technical field of acoustic wave resonator preparation, in particular to a preparation method of a film bulk acoustic wave resonator with an isolation layer and the bulk acoustic wave resonator. The method comprises the following steps: injecting high-energy ions from the lower surface of a single crystal wafer, enabling the high-energy ions to enter the single crystalwafer to form a damage layer, and dividing the single crystal wafer into an upper piezoelectric layer and a single crystal film layer to obtain a damaged single crystal wafer; sequentially preparinga graphical lower electrode, a graphical sacrificial layer, an isolation layer and a bonding layer on the lower surface of the single crystal film layer; stacking the substrate and the bonding layer,performing wafer splitting treatment, stripping the upper piezoelectric layer at the upper end of the single crystal film layer, and preparing an upper electrode on the upper surface of the single crystal film layer; and forming a sacrificial layer release hole required by the graphical sacrificial layer on the upper surface of the single crystal film layer, and releasing the sacrificial layer toobtain the high-quality cavity type bulk acoustic wave resonator of the single crystal film body.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Production technology of furan resin used for casting steel
ActiveCN102775572ASave resourcesUnique process methodFoundry mouldsFoundry coresFurfuryl alcoholProduction cycle
The invention relates to a production technology of furan resin, in particular to a production technology of furan resin used for casting steel. The technology comprises the following steps of: closing an outlet valve at the bottom of the reactor, opening a feed valve, starting a mixer, adding certain content of paraformaldehyde, urea and furfuryl alcohol, adding certain content of basic catalyst to adjust the PH value of the seasoning liquid; heating up to 80-100 DEG C, insulating for 60-80 minutes; stopping the insulation, opening cooling water and cooling down to 60-90 DEG C, adding 50% of the total amount of furfuryl alcohol; adding certain amount of acid catalyst to adjust the PH value of the seasoning liquid to 3-5 when the temperature drops to 60 DEG C; heating up to 85-100 DEG C, insulating for 50-70 minutes; adding the 25% of the total amount of furfuryl alcohol, adding certain amount of silane coupling agent ammonia and methanol; and continuing to stir for 30 minutes after discharging and submitting for censorship. The invention provides a method of using imported paraformaldehyde and urea to produce urea-formaldehyde glue on the basis of traditional resin technology instead of using aqueous solution of formaldehyde. The production technology provided by the invention has the advantages of needlessness of dehydration in the post-synthetic phase, production cycle reducing, cost saving and environmental protection.
Owner:GANSU KOCEL CHEM
Solid corrosion and scale inhibitor and preparation method thereof
InactiveCN101613599AGood corrosion and scale inhibition effectMeet work performance requirementsDrilling compositionBorehole/well accessoriesPhosphateOil field
The invention relates to a solid corrosion and scale inhibitor and a preparation method thereof. The scale inhibitor comprises the following components by weight percentage: 5 to 15% of phosphonate, 25 to 40% of phosphate, 20 to 30% of zinc chlorine, 5 to 10% of amine, 5 to 10% of disintegrating agent and 8 to 12 percent of citrate. The solid corrosion and scale inhibitor provided by the invention has excellent corrosion and scale inhibition effect, and drug efficiency is 30-40 days through on-site testing; after operations are carried out according to drug adding cycle, the oil casing, oil pipes, tension rods and other equipment in each oil well can be well protected, thereby meeting requirements on the operating performance of oil rigs during secondary or tertiary oil recovery; meanwhile, the drug adding cycle is prolonged, thus reducing perambulation cycle of the oil wells for maintenance personnel, reducing workload of maintenance personnel, and solving the problem of larger maintenance costs caused by frequent maintenance on oil rigs in current oil field.
Owner:天津开广工业水处理有限公司
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com