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855results about How to "Broad market" patented technology

PVB (polyvinyl butyral) film for dynamically rejecting infrared rays and resisting ultraviolet rays and preparation method thereof

ActiveCN104262874AHas the effect of heat insulation and UV protectionPlay the effect of energy saving and environmental protectionPolyvinyl butyralInfrared
The invention discloses a PVB (polyvinyl butyral) film for dynamically rejecting infrared rays and resisting ultraviolet rays and a preparation method thereof. The functional PVB film comprises cesium tungsten bronze, antimony indium oxide, indium tin oxide, titanium dioxide, nano carbon spheres, zirconium carbide, PVB resin powder, a plasticizer, a trace improver and the like. The preparation method comprises the following steps: dispersing the cesium tungsten bronze composite nanoparticles with a solvent, adding the plasticizer, stirring uniformly, adding the PVB resin powder and trace improver, thoroughly mixing, and carrying out film formation on the mixture by running to obtain the heat-insulation ultraviolet-resistant PVB film. The ultraviolet rejection ratio of the PVB film is greater than 99.0%, the visible light transmittance is adjustable within the range of 60-85%, and the infrared rejection ratio is up to 80-99%; and the PVB film can be directly used for producing heat-insulation infrared / ultraviolet-resistant safety laminated glass, can be widely used in architectural curtain walls, doors / windows, zeniths, automobile windshields and the like, and is a novel energy-saving film material.
Owner:SUZHOU POLIMA MACROMOLECULE MATERIAL CO LTD

Quartz capillary tube embedded all-silica fiber Fabry-Perot interferometric sensor and manufacturing method thereof

The invention discloses a quartz capillary tube embedded all-silica fiber Fabry-Perot interferometric sensor which comprises a single-mode optical fiber, a quartz capillary tube, a reflective optical fiber and a protective film, wherein the reflective optical fiber is a single-mode optical fiber or a multimode optical fiber, the two ends of the quartz capillary tube are respectively connected with one end of the single-mode optical fiber and one end of the reflective optical fiber by way of welding, and the hollow part of the quartz capillary tube is taken as the interferometric cavity of the interferometric sensor. In the interferometric sensor disclosed by the invention, a quartz capillary tube is adopted without plating a film, therefore, the cost for manufacturing the Fabry-Perot interferometric sensor is reduced, and the high contrast of the fiber Fabry-Perot interferometric sensor can be realized. The invention also discloses a method for manufacturing the sensor. The quartz capillary tube embedded all-silica fiber Fabry-Perot interferometric sensor disclosed by the invention has the characteristics of low cost, simple processing method, high miniaturization degree and good mechanical stability, and is convenient for production on large scale; and the practicability of the interferometric sensor is easy to realize, and the interferometric sensor has a potential practical value and a broad market in the field of interferometric sensors.
Owner:CHONGQING UNIV

Water alkalinity on-line measuring device based on solution image technology and measuring method thereof

The invention relates to a water alkalinity on-line detection device, a water alkalinity on-line measuring device based on solution image technology and a measuring method thereof, and is characterized in that according to the invention, based on the detection of solution image RGB values during the titration of water to be detected by a HCl solution, an image RGB value-titration solution volume measuring curve is plotted, and the water alkalinity of the solution to be detected is calculated according to the titration solution volume corresponding to an inflection point of the image RGB value measuring curve. With computer image processing technology, the invention establishes a mathematical model of solution RGB values with the change of the titration solution volume during titration, determines the titration end point automatically, establishes a color constancy algorithm model based on a neural network algorithm, and thus increases the precision and reliability of alkalinity measurement. With the device of the invention, on-line measurement of phenolphthalein alkalinity and total alkalinity can be performed optionally, and the operation is convenient. The device is applicable to industry of electric power, petroleum, chemical industry, metallurgy, etc.
Owner:NORTHEAST DIANLI UNIVERSITY

Small-sized electric cold-warm triple power supply system

The present invention relates to a minitype cooling-heating-power supply system, concretely is a minitype cooling-heating-power supply system which can fully use smoke residual heat and belongs to refrigeration and air conditioner technology field. In gas path system, a smoke-water heat exchanger connection electric valve and a butterfly valve are connected in parallel to a smoke exhaust pipe at the end of the gas engine generator unit; the gas engine generator unit and a smoke supplemental combustion type lithium bromide refrigerator are connected wit a ball valve group and to a gas pipe, a vacuum hot water boiler is connected to the gas pipe. In water path system, the gas engine generator unit is connected with a water-water heat exchanger by pipeline, and the water-water heat exchanger is connected to a smoke-water heat exchanger by pipeline; the smoke supplemental combustion type lithium bromide refrigerator, the vacuum hot water boiler and the air conditioner water supply pipe of the electrical refrigerator are connected in parallel. The present invention generates electricity by engine, makes the generated smoke residual heat has different operating modes in different seasons, improves the energy using efficiency, improves the electric power reliability, reduces energy consume, needs little investment, small space and has quick effect.
Owner:WUXI COMPRESSOR CO LTD

Water hardness on-line measurement device based on solution image technology and measurement method thereof

The invention relates to a water harness on-line measurement device. A measurement method of the water hardness on-line measurement device based on solution image technology is characterized by adding dropwise EDTA into a quantitative water solution with the pH of 10.0 plus or minus 0.1 by using a constant flow adding pump with chrome black T or acid chrome blue K as indicator, L-cysteine hydrochloride and triethanolaminesolution as screening agent and ethylenediaminetetraacetic disodiumsalt solution as titrant, recording the volume of added EDTA (Ethylene Diamine Tetraacetic Acid) solution by a computer, simultaneously collecting water solution image colors by using a CCD (Charged Coupled Device) image sensor, displaying image color RGB (Red, Green and Blue)-titrating solution volume real-time curve on a computer screen, and calculating the water hardness according to the titrating solution volume corresponding to the inflection point of the RGB-titrating solution volume curve, wherein the detection precision is improved by adopting a color constancy algorithm based on a neutral network to reduce the interference of factors such as a light source, sensor noise and the like. The invention have the choices of high hardness and low hardness on-line measurement, is simple and convenient in operation, and can be used in the industries of electric power, petroleum, chemical industry, metallurgy and the like.
Owner:NORTHEAST DIANLI UNIVERSITY

Preparation method for seafood soy sauce

InactiveCN104982895AHigh aspartic acidHigh in glutamateFood ingredientsFood preparationMaillard reactionFood flavorings
The invention belongs to the field of flavoring agents, and particularly relates to a preparation method for seafood soy sauce. The method includes the steps that meat of seafood products is taken through dissection, water is added, and homogenization treatment is performed, so that seafood homogenate is obtained; enzyme is added into the seafood homogenate to perform enzymolysis treatment, so that seafood enzymatic hydrolysate is obtained; inactivation treatment is performed on the seafood enzymatic hydrolysate, so that inactivated enzymatic hydrolysate is obtained; centrifugal treatment is performed on the inactivated enzymatic hydrolysate, so that a seafood stock solution is obtained; reducing sugar is added into the seafood stock solution to complete the Maillard reaction, so that a Maillard reaction product is obtained; food flavoring agents and a natural microbial growth inhibitor are added into the Maillard reaction product, so that the seafood soy sauce is obtained. The natural seafood products are adopted as the main raw materials which are reasonably proportioned and synergistically act, so that the seafood soy sauce has the peculiar flavor of the seafood and has moderate freshness, sweetness and saltiness, and the seafood soy sauce has a high aspartic acid content and a high glutamic acid content and contains rich mineral elements and vitamins.
Owner:ZHEJIANG OCEAN UNIV

Method for producing geopolymer binding material by red mud and geopolymer binding material

The invention discloses a method for producing a geopolymer binding material by red mud and the geopolymer binding material. The method comprises the following steps: (1), the red mud is evenly mixed with hydroxide of alkali metal or carbonate, and 3 to 5 mol of alkali metal is contained in the hydroxide of alkali metal or the carbonate, which is added into the red mud per kilogram; (2), the mixture is calcined for 1 to 3 hours at the temperature of 700 DEG C to 900 DEG C, and a heat-alkali activated red mud is obtained after cooling; (3), the activated red mud is mixed with granulated blast-furnace slag powder according to the mass ratio of (1.5:1):(4:1). When being used, the geopolymer binding material produced according to the method is evenly mixed with water with the mass ratio of 60 percent to 70 percent so as to achieve maintenance formation. According to the invention, waste material red mud produced by using Bayer processes largely is environmentally friendly and low in cost. The geopolymer binding material can be directly added with water to stir during the use, alkaline boosters such as water glass and the like are not required to be added, steaming and pressing or dried formation are not required, the use is convenient, and the adaptability is good.
Owner:HUAZHONG UNIV OF SCI & TECH

Method for extracting salt from coking desulphurization waste solution and special device thereof

The invention discloses a method for extracting salt from coking desulphurization waste solution and a special device thereof. The method comprises the following steps of: heating raw material waste solution for decomposition, adsorbing and decolorizing, then heating, evaporating and concentrating to obtain concentrated solution, performing heat filtration at constant temperature to remove fine sulfur particles, cooling and crystallizing in a crystallizer, filtering at constant temperature, separating filtrate to obtain crystals, washing the crystals to obtain high-purity ammonium thiocyanate, dissolving mixed salt crystals in ammonium sulfate mother liquor, regulating the acidity to be below 20 percent, preheating to ensure that the temperature is between 90 and 110 DEG C, blowing air oroxygen, performing oxidative transformation for 1min to obtain ammonium sulfate transformation liquid, and adding ammonium sulfate production mother liquor to obtain an ammonium sulfate product. By the method, a high-purity product can be extracted from the waste solution through one-time operation, so that processing and treatment times are reduced; solid-phase impurities are effectively intercepted and prevented from transferring to the crystals at constant temperature; and the mixed salt is subjected to oxidative transformation treatment, all ammonium thiosulfate is transformed into the ammonium sulfate product with high nitrogen content, the process is simple, operation cost is low, and product marketing is broad.
Owner:JIANGSU ZHONGXIAN GRP CO LTD

Laser tungsten inert gas (TIG) arc coaxial hybrid welding method with additional high frequency magnetic field and device

The invention relates to a laser TIG arc coaxial hybrid welding method with an additional high frequency magnetic field and a device. The method includes firstly connecting positive and negative poles of a TIG welding machine to a workpiece and a tungsten electrode respectively, then connecting an exciting power output end to a field coil, connecting the field coil with a laser TIG composite welding head through a composite welding head connecting device, and determining a welding running path; and opening an exciting power supply to supply power for the field coil; opening shielding gas for welding and observing the weld seam formation condition. The method and the device have the advantages that the arc pneumatic pressure and the arc current density are effectively improved, so that the arc heat distribution is concentrated, the arc radius is compressed, the arc energy density and the arc stiffness are further improved, the stability of the welding arc in a laser arc composite welding process is improved, the coaxial composite degree of the laser and the arc during laser TIG arc composite coaxial welding is quite facilitated, and wide markets and application prospects are provided.
Owner:鞍山煜宸科技有限公司

Natural high-iron albumen powder and preparation method thereof

The invention belongs to the field of functional foods, and in particular relates to natural high-iron albumen powder and a preparation method thereof. The method comprises the steps of soybean milk grinding, heated centrifugation, salting precipitation, centrifugal settling and freeze drying. The process comprises the following steps: weighing dry beans, pulping the dry beans by using PBS damping liquid with the quality 1-2 times of that of the dry beans and the concentration of 50mM after soaking the dry beans for 8-12 hours, and filtering and removing bean dregs, wherein polyvinylpyrrolidone in the damping liquid is 0.5-10 grams/liter; heating the pulp for 10-15 minutes in warm bath at 50-60 DEG C, cooling the pulp to room temperature, centrifugalizing at 4500-8000rpm for 10-20 minutes, removing starch and doped protein and taking supernatant liquid; dissolving magnesium chloride, dissolving sodium citrate after 30-120min, evenly mixing and stirring for 8-12 hours at 4 DEG C, wherein the concentration of the magnesium chloride and the concentration of the sodium citrate are respectively 200-600mM and 300-700mM; centrifugalizing at 0-7 DEG C with more than 10000rpm for 20-40 minutes, removing the supernatant liquid and grease and taking deposit parts; and carrying out freeze drying on the deposit parts.
Owner:CHINA AGRI UNIV

Production process of spun lace nonwoven fabric

The invention discloses a method for producing spun-laced non-woven fabrics. The method is as follows: firstly, filaments are adopted for spinning, web-forming and primary spun-lacing; secondly, the filaments are added with a wood pulp lead-in recombiner for compounding after the primary spun-lacing; thirdly, secondary spun-lacing is performed after compounding; fourthly, squeezing and drying are performed; wood pulp is prepared on line into wet sheets by adoption of wet web-forming; the wet sheets are led into the recombiner and compounded with the filaments after the primary spun-lacing. The method has short production process flow and low equipment investment; the spinning and spun-lacing technology, the wood pulp wet web-forming technology and the spun-lacing compounding technology are effectively combined, thereby the speed is quick and the productivity is high. The filaments and the prior wood pulp are used as raw materials, and slicing, spinning and web-forming of the filaments and web-forming of the prior wood pulp are performed, and then spun-lacing is compounded; the whole production process fully utilizes water, energy and materials and the fabrics are produced at one step, thereby the production cost is low. The products produced have the strength of the filaments, the hydroscopic property of the wood pulp and the hand feeling of staple fiber spun-laced fabrics, do not fall off flock, are easy to degrade, and are novel products of 'green and environment-friendly' compound non-woven fabrics.
Owner:王轩荣

Human body sleep multiple physical sign non-invasive distributed optical fiber monitoring system and method

The present invention discloses a human body sleep multiple physical sign non-invasive distributed optical fiber monitoring system and method. The system comprises a mattress, a plurality of physicalsign optical fiber optical grating sensors, a demodulator and an upper computer; the physical sign optical fiber optical grating sensors comprise a plurality of distributed temperature optical fiber optical grating sensors, distributed pressure optical fiber optical grating sensors and distributed heartbeat/respiration optical fiber optical grating sensors; the physical sign optical fiber opticalgrating sensors are all fixedly arranged in fillers embedded between a mattress inner bed net and a fabric inner filling material, and also keep depth on the same horizontal plane; the physical sign optical fiber optical grating sensors are connected with the demodulator, and output signals of the demodulator are transmitted to the upper computer through serial ports, so as to monitor health stateof a user during sleeping, such as physical sign parameters of heart rate, respiration, body temperature, etc.; and sleeping postures and bed leaving conditions are analyzed according to pressure field monitoring conditions of a user in a sleeping state. The distributed multi-parameter optical fiber optical grating sensor networking realizes monitoring of information of multiple physical signs and sleep movement state.
Owner:WUHAN UNIV OF TECH

Method and device for recognizing authenticity of seal

The invention provides a method and device for recognizing the authenticity of a seal, and relates to the technical field of seal recognizing. The invention aims at providing the method and device fore remotely recognizing the authenticity of the seal. A client-side collects the pattern of the seal and the serial number of the seal, and uploads the pattern and the serial number to a server. The server finds out the copy image of the seal according to the serial number of the seal, and a system enters recognizing stages, wherein the recognizing stages include seal impression extraction, seal impression registration and authenticity recognizing. In the process of seal impression extraction, the seal impression is extracted through a PCNN burning technology, and the extracted seal impression is then repaired through a rapid advancing restoration algorithm. In the process of seal impression registration, the extracted seal impression is rotated and deformed, and the spatial location relationship of the extracted seal impression is adjusted to be matched with the copy seal impression. In the process of authenticity recognizing, authenticity recognizing is conducted by comparing the registered seal impression with the copy seal impression, the difference degree of the two images is calculated through a partitioning technology, and authenticity recognizing is conducted on the seal according to a set threshold.
Owner:SICHUAN UNIV
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