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Process for combining flax enzyme and chemical degumming with bleaching
InactiveCN102703994AImprove hydrophilicityImprove the lubrication effectVegetable materialFibre treatment to obtain bast fibreYarnPhotochemistry
The invention discloses a process for combining flax enzyme and chemical degumming with bleaching. The process comprises the steps of flax filling and preliminary acid water washing; enzyme degumming; bleaching pre-treatment; water washing; oxidation bleaching; water washing; neutralization and water washing; dehydration; softening treatment; dehydration; and loosing for drying. The process improves the hydrophilicity and lubricity of fibers, enhances the whiteness and softness of fibers and greatly reduces the content of lignin in fibers, thereby enhancing the spinnability of fibers. The fibers treated by the process have the advantages of strong tension, softness, good fineness, weak electrical conductivity, rapid water absorption and diffusion, high expansivity and the like, and have the functions of temperature control, antianaphylaxis, antistativity and antibacterium, and the fibers can be spun into high and low yarns or blended with other fibers to make high-class cloth. The profit rate is about 50%, thereby creating good economic benefit..
Owner:芜湖金亚特亚麻科技有限公司
Transformer oil fire extinguishing agent and fire extinguishing system
The invention discloses a transformer oil fire extinguishing agent. The transformer oil fire extinguishing agent comprises, by weight, 20-30 parts of an oil-in-water type emulsifying agent, 5-20 partsof a turbidity point improving agent, 3-15 parts of a surface spreading agent, 1-5 parts of a negative combustion catalyst, 1-5 parts of a near-fire gelatinizing synergist, 0.1-3 parts of a corrosioninhibition auxiliary and 40-60 parts of water. The invention further provides a fire extinguishing system for a transformer, and the fire extinguishing system adopts the transformer oil fire extinguishing agent. The substances in the transformer oil fire extinguishing agent are low in electric conductivity and high in insulating property and achieve the synergistic effect, and therefore the finally-obtained composite fire extinguishing agent has the advantages that the insulating property is high, the fire extinguishing efficiency is high, and electrifying is safe and reliable. In addition, water mist sprayed by the fire extinguishing system for the transformer is high in insulating property, electrified fire extinguishing can be achieved, and the outdoor wind resistance is achieved.
Owner:STATE GRID HUNAN ELECTRIC POWER +3
Device for the measurement of coating thicknesses by means of microwaves
ActiveUS20110062965A1Minimize impactHigh measurement accuracyResistance/reactance/impedenceUsing wave/particle radiation meansMicrowaveElectrical conductor
A device for measurement of a thickness of a coating applied to a substrate includes a transmitter / receiver module configured to transmit and receive microwave radiation; a computing unit; and a probe having a flange and an inner and an outer conductor, wherein the outer conductor coaxially surrounds the inner conductor, and wherein the inner conductor includes at least one thickened section.
Owner:AIRBUS OPERATIONS GMBH
Manufacturing method of weather-resistant, waterproof and high-quality special paper for printing
InactiveCN108914675AReduce pollutionReduce dependencePaper coatingPaper/cardboardFiberPulp and paper industry
The invention relates to the field of preparation of consumables of printing products, in particular to a manufacturing method of weather-resistant, waterproof and high-quality special paper for printing. The manufacturing method comprises the following steps of preparation of initial paper pulp, preparation of a toughening additive, preparation of papercopying pulp, preparation of paper blanks, preparation of an adhesive film solution, and applying of the adhesive film layer. The prepared paper has the advantages that the strength is high, and the printing effect is excellent; the water-resistant, oil-resistant, chemical-resistant and aging-resistant properties are realized; the heat insulation property is good; the certain flame-retardant effect is realized; the paper is flat in surface,is difficult to warp, and is suitable for drum printing; by adopting a large amount of waste paper pulp fiber, the resource is saved, the weight of the paper is light, and the certain fluorescent property is realized; when the paper is used as the advertisement paper, the vision effect is improved; the good bacteria-inhibiting and insect-preventing effects are realized; the added components are free from poison and harm, the safe and environment-friendly effects are realized, and the higher practical value and good application prospect are realized.
Owner:安徽古耐家居有限公司
Mica type fireproof wear-resisting air-guiding wallpaper
InactiveCN104453149AGood electrical insulationWeak conductivityCovering/liningsMicaSafety coefficient
The invention discloses mica type fireproof wear-resisting air-guiding wallpaper comprising a base layer and a pattern layer. The pattern layer is arranged on the base layer. The mica type fireproof wear-resisting air-guiding wallpaper is characterized in that an air guiding layer is arranged below the pattern layer and is formed by arrangement of a plurality of rows of air guide holes; a fireproof light-transmitting film is arranged on the pattern layer, a wear-resisting layer is arranged on the fireproof light-transmitting film, an adhesive sticker layer is arranged below the base layer, and a release paper layer is arranged below the adhesive sticker layer; the base layer is made of mica sheet materials, and the wear-resisting layer is made of polyethylene materials; the thickness of the fireproof light-transmitting layer is 0.4mm, the radius of each air guide hole is 0.03mm, and the thickness of the base layer is 0.1mm. The mica type fireproof wear-resisting air-guiding wallpaper has the advantages that electrical insulating property is high, electrical conductivity is low, and safety coefficient is high; fire prevention effect is good, and property losses are reduced; light-transmitting effect is achieved, bubbles are easy to discharge, and service life is long; wear of the pattern layer of the wallpaper can be prevented.
Owner:殷霄
Process for preparing propaganda color page printing paper
InactiveCN108978323AReduce dependenceReduce pollutionPaper coatingReinforcing agents additionFiberFluorescence
The invention relates to the field of preparation of printed matter consumables, in particular to a process for preparing propaganda color page printing paper. The process includes relevant steps of preparing preliminary paper pulp; allocating additive auxiliaries; preparing papermaking slurry; preparing paper blanks; preparing adhesive film solution; applying adhesive film layers. The process hasthe advantages that paper prepared by the aid of the process is high in strength and good in heat insulation, and is water-resistant, oil-resistant, chemical-resistant and aging-resistant, excellentprinting effects can be realized, and certain flame-retardant effects can be realized; the surfaces of the paper are flat and are difficult to warp, and the paper is applicable to cylinder printing; the propaganda color page printing paper is made of large quantities of waste paper pulp fibers, accordingly, resources can be saved, the paper is light and has certain fluorescence performance, visualeffects can be enhanced if the paper is used as the propaganda color page printing paper, and excellent antibacterial and insect prevention effects further can be realized; various added components are nontoxic, harmless, safe and environmentally friendly, and accordingly the process has a high practical value and an excellent application prospect.
Owner:合肥晶诺知识产权信息服务有限责任公司
Sound-electricity conversion device, array-type ultrasonic transducer, and ultrasonic diagnostic apparatus
InactiveUS20060284519A1Stabilizes sound-electricity conversion characteristicReduce noise levelUltrasonic/sonic/infrasonic diagnosticsPiezoelectric/electrostriction/magnetostriction machinesUltrasonic sensorNoise level
The present invention aims to stabilize sound-electricity conversion characteristics of a diaphragm-type sound-electricity conversion device as well as to decrease the noise level of an ultrasonic diagnostic apparatus using the sound-electricity conversion device. The sound-electricity conversion device is configured by a capacitor cell including a lower electrode formed on a silicon substrate and an upper electrode over the lower electrode, the lower and upper electrodes sandwiching a cavity. An electrode short-circuit prevention film is formed on the upper electrode on the cavity side. The electrode short-circuit prevention film is formed of a material with an electrical time constant shorter than 1 second and longer than 10 microseconds, such as silicon nitride containing a stoichiometrically excessive amount of silicon. As a result, the electrode short-circuit prevention film has small electric conductivity, and thus it is made possible to prevent the film from being charged with electric charge and to avoid the drift of the electric charge. Consequently, the sound-electricity conversion characteristics of the sound-electricity conversion device stabilize, and further the sound noise level of the ultrasonic diagnostic apparatus decreases.
Owner:HITACHI LTD
Preparation method of environment-friendly high-quality advertising consumable paper
InactiveCN108894056AReduce dependenceIncrease the areaSpecial paperPaper coatingFiberAging resistance
The invention relates to the field of preparation of printed product consumables and particularly relates to a preparation method of environment-friendly high-quality advertising consumable paper. Thepreparation method comprises the following relevant steps: preparing preliminary paper pulp, preparing an enhancing aid, preparing papermaking pulp, preparing a paper base, preparing a glue film solution, and applying a glue film layer. The prepared advertising consumable paper is high in strength, excellent in printing effect and good in water tolerance, oil resistance, chemical resistance, ageing resistance and adiabaticity, has a certain flame-retardant effect, and the surface of the paper is flat, is unlikely to be warped and is applicable to roller printing; by utilizing a large amount of waste paper pulp fibers, the resource is saved; and the paper is light, has a certain fluorescence property, is capable of improving the vision effect when being used as advertising paper and has good antibacterial and insect-prevention effects, and each added component is toxic-free and harmless, so that the advertising consumable paper is safe and environment-friendly and has relatively high practical value and good application prospects.
Owner:泾县道旺环保科技有限公司
Gallium nitride-based light emitting diode epitaxial wafer and a manufacturing method thereof
ActiveCN109273569AWeak conductivityImprove antistatic performanceSemiconductor devicesGallium nitrideElectron blocking layer
The invention discloses a gallium nitride-based light emitting diode epitaxial wafer and a manufacturing method thereof, belonging to the field of semiconductor technology. The gallium nitride-based light emitting diode epitaxial wafer comprises a substrate, an N-type semiconductor layer, an active layer, an electron blocking layer, and a P-type semiconductor layer, the N-type semiconductor layer,the active layer, the electron blocking layer and the P-type semiconductor layer are sequentially laminated on the substrate, The electron blocking layer includes a first sub-layer made of magnesiumdoped aluminum gallium nitride and a second sub-layer made of carbon doped aluminum gallium nitride, and at least one second sub-layer inserted in the first sub-layer. The thickness of the first sub-layer is greater than 1 / 2 of the thickness of the electron blocking layer. By inserting at least one carbon-doped aluminum gallium nitride layer into the magnesium-doped aluminum gallium nitride layer,the invention realizes the plane spreading of holes, reduces the series resistance of the electron blocking layer, and enhances the antistatic ability of the LED.
Owner:HC SEMITEK ZHEJIANG CO LTD
Transparent conductive thin film and placode and touch screen and making method thereof and display device
ActiveCN106683750AReduce reflectivityWeak conductivityConductive layers on insulating-supportsStatic indicating devicesReflectivityElectrically conductive
The invention provides a transparent conductive thin film and a placode and a touch screen and a making method thereof and a display device and belongs to the technical field of display. The transparent conductive thin film comprises a stack-set transparent inorganic insulating layer, a metal layer and a transparent metal oxide conductive layer, wherein refractive index of the transparent inorganic insulating layer is less than 1.5. According to the technical scheme, reflectivity of the touch screen and resistance of a touch-sensitive electrode can be reduced, electricity effect can be increased, and visual effect of the display device can be improved.
Owner:BOE TECH GRP CO LTD +1
Double signal amplified zearalenone impedance sensor based on nano-Co3O4 mimic enzyme catalysis action
InactiveCN109799273AMultiple captureEnables ultra-sensitive detectionMaterial electrochemical variablesImmune complex depositionCatalytic oxidation
The invention discloses a double signal amplified zearalenone impedance sensor based on nano-Co3O4 mimic enzyme catalysis action. Hyaluronic acid functionalized TiO2 mesocrystal serves as a sensing platform, a lot of first antibodies (Ab1) are captured by hyaluronic acid, zearalenone antigens and second antibodies (Ab2) marked by Co3O4 are sequentially identified on a sensing interface, electron transfer is impeded by generated immune complexes, and electrochemical impedance signals are amplified. Nano-Co3O4 serves as an inorganic metal oxide, has good properties of peroxide mimic enzyme and is better in stability and high in catalytic activity, a lot of organisms are generated through catalytic oxidation and deposit on the surface of testing electrodes, and detecting signals are further amplified. An impedance sensor with high sensitivity, good stability and low detection limit is built, and the zearalenone is ultra-sensitively detected.
Owner:FUJIAN NORMAL UNIV
Mica group purification noise reducing abrasion-resisting wall paper
InactiveCN104612352AGood electrical insulationWeak conductivityCovering/liningsDispersed particle separationIndoor airMica
Owner:殷霄
Mica group wallpaper with air guide, noise reduction and heat preservation functions
InactiveCN104453144AReduce the difficulty of emptyingReduce noiseCovering/liningsSpecial paperBiochemical engineeringNoise reduction
The invention discloses a piece of mica group wallpaper with air guide, noise reduction and heat preservation functions. The mica group wallpaper comprises a base layer and a pattern layer, and the pattern layer is arranged on the base layer. The mica group wallpaper is characterized by comprising an air guide layer, a rubber-faced layer, a suede layer, a sand layer, an adhesive sticker layer and a release paper layer; the air guide layer is arranged underneath the pattern layer and is formed by arraying of a plurality of rows of air guide holes; the rubber-faced layer is arranged on the pattern layer; the suede layer is arranged on the rubber-faced layer; the sand layer is arranged on the suede layer; the adhesive sticker layer is arranged underneath the base layer; the release paper layer is arranged underneath the adhesive sticker layer; the base layer is made of mica sheet materials, the thickness of the suede layer is 0.4mm, the thickness of the rubber-faced layer is 0.2mm, the thickness of the base layer is 0.2mm, and the radius of each air guide hole is 0.04mm. The mica group wallpaper has the advantages of being good in heat preservation effect and long in service life, brings comfortable velvet-like feeling for people, has the functions of sound absorption and noise reduction, and can bring comfortable feeling for residents; in addition, the surface of the wallpaper is soft, and bubbles can be discharged easily.
Owner:殷霄
Water-based cleaning fluid special for chandelier and preparation method of water-based cleaning fluid
ActiveCN107937158ALow priceImprove decontamination abilityOrganic detergent compounding agentsSurface-active detergent compositionsWater basedWater baths
The invention discloses a water-based cleaning fluid special for a chandelier. The cleaning fluid comprises, by weight, 10-30 parts of ethanol, 40-80 parts of deionized water, 0.1-3 part of a nonionicsurfactant, 0.05-0.2 part of a bactericide, 0.1-2 parts of a silicane coupling agent, and 0.2-4 parts of dimethicone. A preparation method of the water-based cleaning fluid comprises: in a water bathwith the temperature at 40-50 DEG C, uniformly mixing ethanol with deionized water, adding the nonionic surfactant, the bactericide, the silicane coupling agent and dimethicone while performing stirring, and performing continuous stirring for 60-120 min to obtain the cleaning fluid. The cleaning fluid is incombustible, non-corrosive, safe, eco-friendly and bactericidal, is weak in electrical conductivity and great in dirt removal, can directly clean the chandelier, and is high in cleaning efficiency.
Owner:浙江工业大学温州科学技术研究院
Carbon metal compound composite material
The invention discloses a carbon metal compound composite material which comprises the following main components: SiC, C, Si3N4 and Si. The preparation method of the carbon metal compound composite material comprises the following steps: (1), weighting, burdening and mixing SiC, C, Si3N4 and Si in proportion, and shaping; (2) nitriding and sintering at the sintering temperature of 1380-1560DEG C for 100-200 hours; (3) dipping in an asphalt impregnation liquid for 8-60 hours; and (4) roasting in nitrogen or storage carbon at 200-1500DEG C for 48-200 hours. By utilizing the carbon metal compound composite material disclosed by the invention, the aluminum liquid flowing state can be effectively improved, and the power consumption of the aluminium refining industry is lowered.
Owner:REFRACTORY MATERIAL OF SINOSTEEL CORP
Conductive material based on gamma-C2S and preparation method of conductive material
The invention relates to a conductive material based on gamma-C2S and a preparation method of the conductive material. The conductive material comprises the following raw materials by volume percentage: 60-65% of gamma-C2S, 30% of water and 5-10% of conductive phase. The conductive material taking gamma-C2S as a matrix takes a carbonization reaction as a cementing and hardening mechanism of the matrix; the matrix mainly comprises calcium carbonate and silica gel; the conductive phase is distributed uniformly in the matrix; and the conductive material has the advantages of rapid mechanical strength development, high matrix compaction rate, high conductivity, excellent durability and the like.
Owner:山东汉博昱洲新材料有限公司
Carbon fiber vernier caliper
The invention provides a carbon fiber vernier caliper, comprising a main ruler, a vernier ruler and a depth ruler. The vernier ruler sleeves the main ruler and can slide along the main ruler. The backof the main ruler is provided with a square chute for embedding the depth ruler. The vernier caliper is detachably connected with the depth ruler. The main ruler has a storage cavity. The opening ofthe storage cavity is located at the tail end of the main ruler. The depth ruler can be inserted into the storage cavity. The tail end of the main ruler is in threaded connection with a bolt for sealing the opening of the storage cavity. The main ruler, the vernier ruler and the depth ruler are made of carbon fiber materials. The main ruler, the vernier ruler and the depth ruler are made of carbonfiber material such that the weight of the entire carbon fiber vernier caliper is much smaller than that of the stainless steel vernier caliper, and is greatly improved in corrosion resistance.
Owner:HAINING ANJIE COMPOSITE MATERIAL
Mica type fireproof noise-reducing air-guiding wallpaper
InactiveCN104453148ASo as not to damageExtended service lifeCovering/liningsElectricitySurface layer
The invention discloses mica type fireproof noise-reducing air-guiding wallpaper comprising a base layer and a pattern layer. The pattern layer is arranged on the base layer. The mica type fireproof noise-reducing air-guiding wallpaper is characterized in that an air guiding layer is arranged below the pattern layer and is formed by arrangement of a plurality of rows of air guide holes; an adhesive surface layer is arranged on the pattern layer, and a sand grain layer is arranged on the adhesive surface layer; a fireproof light-transmitting film is arranged on the sand grain layer, an adhesive sticker layer is arranged below the base layer, and a release paper layer is arranged below the adhesive sticker layer; the base layer is made of mica sheet materials; the thickness of the adhesive surface layer is 0.2mm, the thickness of the base layer is 0.1mm, the thickness of the fireproof light-transmitting film is 0.3mm, and the radius of each air guide hole is 0.02mm. The mica type fireproof noise-reducing air-guiding wallpaper has the advantages that electrical insulating property is high, electrical conductivity is low, and safety coefficient is high; fire prevention effect is good, and property losses are reduced; light-transmitting effect is achieved, bubbles are easy to discharge, and service life is long; the wallpaper also has a sound-absorbing and noise-reducing function, thereby making dwellers comfortable.
Owner:殷霄
Mica thermal-insulation, fire-suppression and wear-resistant wallpaper
InactiveCN105178534AImprove fire performanceGood warmth retentionCovering/liningsSynthetic resin layered productsSurface layerThermal insulation
The invention discloses mica thermal-insulation, fire-suppression and wear-resistant wallpaper. The mica thermal-insulation, fire-suppression and wear-resistant wallpaper comprises a base layer and a pattern layer; and the pattern layer is arranged on the base layer. The mica thermal-insulation, fire-suppression and wear-resistant wallpaper is characterized by also comprising an adhesive surface layer, a flock layer, a fireproof film and a wear-resistant layer; the adhesive surface layer is arranged on the pattern layer; the flock layer is arranged on the adhesive surface layer and is provided with the fireproof film; the fireproof film is provided with the wear-resistant layer; the wear-resistant layer is made of a polyethylene material; the base layer is made of a mica plate material; and the thickness of the wear-resistant layer is 0.23mm. The mica thermal-insulation, fire-suppression and wear-resistant wallpaper is good in thermal-insulation effect, has a soft surface and comfortable flock, is fireproof, has good wear resistance, and is prevented from being worn and damaged.
Owner:马单
Sound-electricity conversion device, array-type ultrasonic transducer, and ultrasonic diagnostic apparatus
InactiveUS7817811B2Quick power onWeak conductivityUltrasonic/sonic/infrasonic diagnosticsPiezoelectric/electrostriction/magnetostriction machinesUltrasonic sensorNoise level
The present invention aims to stabilize sound-electricity conversion characteristics of a diaphragm-type sound-electricity conversion device as well as to decrease the noise level of an ultrasonic diagnostic apparatus using the sound-electricity conversion device. The sound-electricity conversion device is configured by a capacitor cell including a lower electrode formed on a silicon substrate and an upper electrode over the lower electrode, the lower and upper electrodes sandwiching a cavity. An electrode short-circuit prevention film is formed on the upper electrode on the cavity side. The electrode short-circuit prevention film is formed of a material with an electrical time constant shorter than 1 second and longer than 10 microseconds, such as silicon nitride containing a stoichiometrically excessive amount of silicon. As a result, the electrode short-circuit prevention film has small electric conductivity, and thus it is made possible to prevent the film from being charged with electric charge and to avoid the drift of the electric charge. Consequently, the sound-electricity conversion characteristics of the sound-electricity conversion device stabilize, and further the sound noise level of the ultrasonic diagnostic apparatus decreases.
Owner:HITACHI LTD
Infrared light emitting diode epitaxial wafer and preparation method thereof
ActiveCN113161458AEasy to useAvoid conducting electricitySemiconductor devicesPhysical chemistryGallium arsenide
The invention provides an infrared light emitting diode epitaxial wafer and a preparation method thereof, which belong to the field of light emitting diode manufacturing. When the infrared light emitting diode epitaxial wafer is prepared, the substrate for growing the epitaxial layer is a semi-insulating gallium arsenide substrate, so that the substrate can be prevented from conducting electricity. The first intrinsic GaAs layer, the p-type GaAs layer and the second intrinsic GaAs layer are sequentially grown on the semi-insulating gallium arsenide substrate, and the overall conductivity is weak. And the p-type GaAs layer between the first intrinsic GaAs layer and the second intrinsic GaAs layer can play a role in consuming electrons and playing a role in blocking current, so that the situation that leakage current directly flows to the semi-insulating gallium arsenide substrate is reduced. What is ensured is that current stably flows in the epitaxial layer of the infrared light emitting diode epitaxial layer, and stable use of the finally obtained light emitting diode epitaxial wafer is ensured.
Owner:HC SEMITEK SUZHOU
Mica-type purifying denoising wallpaper
The invention discloses mica-type purifying denoising wallpaper, comprising a base layer and a pattern layer which is disposed on the base layer. The mica-type purifying denoising wallpaper is characterized by further comprising a vinyl-faced layer, a sand layer, an air purification layer, an adhesive sticker layer and a release paper layer; the vinyl-faced layer is disposed on the pattern layer, the sand layer is disposed on the vinyl-faced layer, a waterproof layer is disposed on the sand layer, the adhesive sticker layer is disposed below the base layer, the release paper layer is disposed below the adhesive sticker layer, the base layer is made of mica sheets, the air purification layer is made of photocatalyst, the air purification layer is 0.6mm thick, and the base layer is 0.3mm thick. The mica-type purifying denoising wallpaper has good electrical insulation, weak electrical conductivity and high safety coefficient, has a function of denoising by absorption, enables dwellers to feel comfortable, is capable of purifying indoor air with high efficiency and has long effect time.
Owner:田艳
Mica type warm-keeping and corrosion-resistant wallpaper
InactiveCN104947884AGood warmth retentionImprove anti-corrosion performanceCovering/liningsEngineeringMechanical engineering
The invention discloses mica type warm-keeping and corrosion-resistant wallpaper which comprises a base layer and a pattern layer. The pattern layer is arranged on the base layer. The mica type warm-keeping and corrosion-resistant wallpaper is characterized in that an adhesive face layer, a flock layer, a corrosion-resistant layer, an adhesive sticker layer and a release paper layer are further arranged; the adhesive face layer is arranged on the pattern layer, the flock layer is arranged on the adhesive face layer, the corrosion-resistant layer is arranged on the flock layer, the adhesive sticker layer is arranged on the lower side of the base layer, and the release paper layer is arranged on the lower side of the adhesive sticker layer; the base layer is made of mica pieces, the flock layer is 0.15 mm thick, and the base layer is 0.6 mm thick. The mica type warm-keeping and corrosion-resistant wallpaper is high in corrosion resistance, good in warm keeping effect and capable of automatically extinguishing fire, the surface of the wallpaper is soft, and the flock feeling is comfortable.
Owner:王伟民
Mica wear-resistant and fireproof wallpaper
InactiveCN105089228ASo as not to damageExtended service lifeCovering/liningsWear resistantOptoelectronics
The invention discloses a mica wear-resistant and fireproof wallpaper comprising a base layer and a pattern layer and the pattern layer is disposed on the base layer. The mica wear-resistant and fireproof wallpaper is characterized by further comprising a fireproof transparent layer, a wear-resistant layer, a non-setting adhesive layer and a release paper layer. The fireproof transparent layer is disposed on the pattern layer, the wear-resistant layer is disposed on the fireproof transparent layer, the non-setting adhesive layer is disposed under the base layer, and the release paper layer is disposed under the non-setting adhesive layer. The base layer is made from mica sheet material, and the thickness of the base layer is 0.3 mm. The thickness of the fireproof transparent layer is 0.4 mm. The invention provides the mica wear-resistant and fireproof wallpaper which is good in electrical insulating property, week in conductivity, high in safety coefficient, good in fireproof effect, and transparent, can reduce property loss and prevent the pattern layer of the wallpaper from being worn.
Owner:王伟民
Device for the measurement of coating thicknesses by means of microwaves
ActiveUS8866496B2High measurement accuracyReliable measurementResistance/reactance/impedenceUsing wave/particle radiation meansMicrowaveElectrical conductor
A device for measurement of a thickness of a coating applied to a substrate includes a transmitter / receiver module configured to transmit and receive microwave radiation; a computing unit; and a probe having a flange and an inner and an outer conductor, wherein the outer conductor coaxially surrounds the inner conductor, and wherein the inner conductor includes at least one thickened section.
Owner:AIRBUS OPERATIONS GMBH
Walnut shell biomass c/fe 3 o 4 Preparation method of /cu microwave absorbing material
ActiveCN110157378BWeak conductivitySmall dielectric constant valueOther chemical processesPhysical chemistryIron chloride
The invention discloses a walnut shell biomass C / Fe 3 o 4 / Cu microwave absorbing material preparation method, including: (1), walnut shells are dried, crushed, and sieved below 500 μm for later use; (2), FeCl 3 ·6H 2 O is dissolved in the aqueous solution, fully stirred to dissolve, and the solution is formed for later use; (3), the walnut shell powder prepared in step (1) is added to the ferric chloride solution in step (2), fully stirred and soaked for 0.5h, filtered and dried, walnut shell powder / FeCl 3 solid; (4), the FeCl 2 4H 2 Add O and copper powder to ethanol, add sodium lauryl sulfate, and carry out ultrasonic dispersion for 0.5~2h. After the dispersion is completed, add step (3) walnut shell powder / FeCl 3 solid, fully stirred and soaked for 0.5h, filtered and dried to obtain walnut shell powder / FeCl 3 / FeCl 2 / copper powder solid. The invention is reasonable in design and has good popularization and application value.
Owner:LULIANG UNIV
A special cleaning solution for non-aqueous crystal lamps and preparation method thereof
ActiveCN108070460BWeak conductivityNot corrosiveOrganic detergent compounding agentsSurface-active detergent compositionsAlcoholInorganic dust
The invention discloses a special cleanout fluid for a non-aqueous crystal lamp. The special cleanout fluid is prepared from the following raw materials in parts by weight: 30-80 parts of absolute ethyl alcohol, 2-5 parts of isopropanol, 1-3 parts of 1,2-propylene glycol, 0.2-2 parts of a surfactant and 0.002-0.02 part of a bactericide. A preparation method for the special cleanout fluid comprisesthe following steps: uniformly mixing absolute ethyl alcohol, isopropanol and 1,2-propylene glycol; adding the surfactant and the bactericide while stirring; and putting into a water bath of 30-50 DEG C and stirring for 60-120 minutes, thereby obtaining the special cleanout fluid for the non-aqueous crystal lamp. The special cleanout fluid is free of peculiar smell, is strong in decontaminability, and can realize environmentally-friendly removal of inorganic dust and surface adsorbed grease. The special cleanout fluid for the non-aqueous crystal lamp disclosed by the invention can be used forcrystal lamp cleaning of households, hotels, office places and the like, also can be used for spraying and cleaning, and also can be used for ultrasonic cleaning.
Owner:浙江工业大学温州科学技术研究院
Mica-type purification waterproof wallpaper
InactiveCN105019310AGood electrical insulationWeak conductivityCovering/liningsSpecial paperIndoor airMica
The invention discloses mica-type purification waterproof wallpaper. The mica-type purification waterproof wallpaper comprises a base layer and a pattern layer, wherein the pattern layer is arranged on the base layer; an air-purification layer, a waterproof layer, an adhesive layer and a release paper layer are also arranged on the base layer; the air-purification layer is arranged on the pattern layer, the waterproof layer is arranged on the air-purification layer, the adhesive layer is arranged below the base layer, and the release paper layer is arranged below the adhesive layer; the base layer is made from mica sheet materials, the air-purification layer adopts photocatalyst, the thickness of the waterproof layer is 0.3 mm, and the thickness of the base layer is 0.4 mm. The mica-type purification waterproof wallpaper provided by the invention has the advantages that the electrical insulating property is good, the electroconductivity is low, the safety factor is high, the wallpaper can resist water, does not spot or mildew and is sterilized; indoor air can be purified, the clearing efficiency is high, and the effect time is long.
Owner:田艳
A carbon metal compound composite material
The invention discloses a carbon metal compound composite material which comprises the following main components: SiC, C, Si3N4 and Si. The preparation method of the carbon metal compound composite material comprises the following steps: (1), weighting, burdening and mixing SiC, C, Si3N4 and Si in proportion, and shaping; (2) nitriding and sintering at the sintering temperature of 1380-1560DEG C for 100-200 hours; (3) dipping in an asphalt impregnation liquid for 8-60 hours; and (4) roasting in nitrogen or storage carbon at 200-1500DEG C for 48-200 hours. By utilizing the carbon metal compound composite material disclosed by the invention, the aluminum liquid flowing state can be effectively improved, and the power consumption of the aluminium refining industry is lowered.
Owner:REFRACTORY MATERIAL OF SINOSTEEL CORP
A kind of transformer oil fire extinguishing agent and fire extinguishing system
The invention discloses a transformer oil fire extinguishing agent, which comprises the following components in parts by weight: 20-30 parts of an oil-in-water emulsifier; 5-20 parts of a cloud point raising agent; 3-15 parts of a surface stretching agent; 1-5 parts of negative catalyst; 1-5 parts of near-fire gelling synergist; 0.1-3 parts of corrosion inhibitor; 40-60 parts of water. The present invention also provides a transformer fire extinguishing system, which uses the above-mentioned transformer oil fire extinguishing agent. Various substances in the transformer oil fire extinguishing agent of the present invention have weak conductivity and strong insulation performance, and the various substances cooperate with each other, and the finally obtained composite fire extinguishing agent has the advantages of high insulation performance, high fire extinguishing efficiency, and safe and reliable electrification. In addition, the water mist sprayed by the transformer fire extinguishing system of the present invention has strong insulation performance, can realize live fire extinguishing, and has outdoor wind resistance.
Owner:STATE GRID HUNAN ELECTRIC POWER +3
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