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851 results about "Composite function" patented technology

Composite function. noun. : a function whose values are found from two given functions by applying one function to an independent variable and then applying the second function to the result and whose domain consists of those values of the independent variable for which the result yielded by the first function lies in the domain of the second.

Preparation method of composite functional fabric with antimicrobial, anti-ultraviolet, deodorization and self-cleaning functions

ActiveCN104294583ASimple methodGood antibacterial, anti-ultraviolet and deodorizing propertiesLight resistant fibresWrinkle resistant fibresStaphylococcusHydrogen
The invention discloses a preparation method of a composite functional fabric with antimicrobial, anti-ultraviolet, deodorization and self-cleaning functions. The preparation method comprises the steps of preparing an activated modified treatment liquid, preparing a nano-titania dispersion liquid, processing fabrics by virtue of the activated modified treatment liquid, processing the fabrics by virtue of the nano-titania dispersion liquid, and the like. After the composite functional fabric is processed, the UPF value is more than 100, the deodorization rate is more than 95%, the photocatalysis self-cleaning fading rate of the composite functional fabric to chili oil is 96.7%, and the antibacterial rate (to staphylococcus) is 98.6%; after the composite functional fabric is washed for ten times in families, the UPF value is more than 50, the deodorization rate of the composite functional fabric to substances (including ammonia gas, formaldehyde, acetaldehyde, sulfureted hydrogen, nicotine and trimethylamine) is more than 90%, the photocatalysis self-cleaning fading rate of the composite functional fabric to chili oil is 93.9%, and the antibacterial rate (to staphylococcus) is 95.8%.
Owner:江苏巧雅纺织科技有限公司

Multi-functional grid-connected inverter and grid-connected inverter control method

The invention belongs to the field of electrical engineering, distributed power generation and power quality control, and aims to provide a multi-functional grid-connected inverter and a grid-connected inverter control method. The grid-connected inverter comprises a direct-current bus bar with a capacitor and three sets of single-phase full-bridge inverter circuits sharing the direct-current bus bar, the direct-current output ends of a distributed power supply or a grid-connected energy-storing generating set are connected to both ends of the capacitor of the direct-current bus bar, the output of each set of single-phase full-bridge inverter circuit is connected to a filter, and the output ends of each filter are connected with a distribution network of the 380V voltage class through a single-phase step-up isolation transformer. According to the invention, the grid-connected inverter equipment is effectively utilized to carry out effective control on the power quality of points of interconnection, so that the grid-connected inverter is multi-purpose and multi-functional, the cost performance of the grid-connected inverter is enhanced, the investment, operation and maintenance cost of a system can be reduced, and the reliability of the system can be enhanced. The principle of the provided control scheme is clear, and the control scheme is highly operable and reliable in operation.
Owner:ZHEJIANG UNIV

Novel repair and reconstruction technique for defect treatment of strip coiler hollow axle

The invention relates to a new technique method for treating and repairing the defects of a hollow shaft of a coiling machine with steel or reforging the hollow shaft of the coiling machine with steel. The technique method solves a series of technique problems such as material selection limitation, large thermal stress during the technique process, large thermal deformation, coarse material grains, poor bonding strength of matrix material, great effect of thermal welding processing on the mechanism performance of the base material, and the like. Both a laser cladding composite layer and the matrix have no coarse structure, a cladding layer and a base interface have compact structure and fine grains and the cladding structure has no crackle, inclusion and other defects; the cladding layer and the matrix form alloy combination and do not fall off; the thermal deformation is small, the stress is low and the surface hardness is high; the matrix dilution ratio is low, the size and position of the cladding layer can be controlled precisely, the mechanical finishing allowance after cladding is small, and the composite functional layer is characterized by high corrosion resistance and high abrasion performance. The method does not pollute the environment, has high production ratio and low energy consumption and greatly reduces the fittings consumption cost of enterprises.
Owner:岳阳大陆激光技术有限公司 +2

Capacity optimization and auxiliary peak regulation method for regional wind power plant group energy storage power station

InactiveCN103872694AImprove reasonable and efficient operation levelFlexible AC transmissionEnergy storageCapacity optimizationShort terms
The invention discloses a capacity optimization and auxiliary peak regulation method for a regional wind power plant group energy storage power station. The method comprises the steps that 1, a BESS (battery energy storage station) composite function charging and discharging realizing method of wind power plant group power fluctuation stabilization and power network peak regulation is considered, and a capacity optimization calculating model is built by using the BESS operation cost minimization as a target; 2, the super-short-term wind power is utilized for predication, and a real-time optimization operation model is built by using the maximization of gains when the BESS synchronously participates in the power fluctuation stabilization and the power network peak regulation as a target; 3, the cost sharing and gain distribution mode and method of the BESS system operation are provided. Through the adoption of the technical scheme, an energy storage system with the configuration required by a regional wind power plant can be planned, the economic and reasonable energy storage capability is optimized and calculated, meanwhile, an prioritization scheme that the energy storage system participates in the power network peak regulation in an auxiliary way is provided, and the reasonable and efficient operation level of a regional wind field configuration energy storage system is improved.
Owner:SHANDONG UNIV

Method and device for preparation of composite functional membrane with nanofiber layer

The invention relates to a method and a device for preparation of a composite functional membrane with a nanofiber layer. The method includes: melting and mixing first polymer in a screw extruder, feeding the mixture into a spinning pump, using a spinneret plate to extrude and cool to form fibers, using high-speed air flow to quicken stretching of the fibers, mechanically or pneumatically controlling filaments to evenly spread on a formation curtain to form nonwoven after fiber division; and dissolving second polymer and functional components into solvent to form spinning solution, spouting the spinning solution from a spray nozzle of an electric spinning device under the action of electrostatic field, and jetting the spinning solution to the nonwoven made of the first polymer under suction of a receiving device with opposite charges, and obtaining the composite functional membrane with the nanofiber layer. The method is implemented via the device for preparation, the nonwoven fabric produced using a spun-bonding process module forms a support layer of the composite membrane, and the nanofibers produced by using an electric spinning module form a functional layer of the composite membrane. The method and the device can be used for simply and efficiently producing double-layer or multi-layer functional membrane materials.
Owner:DONGHUA UNIV

Absorption catalysis purification separation composite function film for removing contaminant in water and water purification method

InactiveCN101264992ASolve the problem of adsorption pollutionGreat Filtration Separation PerformanceWater/sewage treatment bu osmosis/dialysisMultistage water/sewage treatmentPurification methodsCatalytic oxidation
The invention relates to a composite functional membrane with adsorption, catalytic purification and separation functions for removing pollutants from water, belonging to the technology field of environment and chemical engineering. The method comprises the steps of doping titanium oxide and other coating separation membranes in adsorbing materials (carbon materials, inorganic materials and molecular imprinting materials to obtain a composite functional membrane with adsorption, catalytic purification and separation functions; and adsorbing pollutants with the membrane, separating, oxidizing and mineralizing the absorbed pollutants to regenerate the purification and adsorption functions of the membrane. The inventive method improves pollutant adsorption and catalytic oxidation efficiency; and preventes the pollution of oxidized byproducts to the quality of effluent water after membrane separation, so as to be safer when being used for drinking water purification. The inventive method has the advantages of high efficiency, complete removal of pollutants, low pollution and low energy consumption; and can be used for purifying water bodies such as slightly polluted water, recycled water or water containing low-concentration trace organic pollutants.
Owner:YANGZHOU INGREENTREE ENVIRONMENTAL TECH CO LTD

Permanent antistatic flame-retardant polyamide-6 bulked continuous filament textured carpet yarn and preparation method

The invention relates to a permanent antistatic flame-retardant polyamide-6 bulked continuous filament textured carpet yarn and a preparation method. The permanent antistatic flame-retardant polyamide-6 bulked continuous filament textured carpet yarn comprises a carpet yarn body, wherein the carpet yarn body consists of two tows of flame-retardant polyamide-6 bulked continuous filaments in different colors or the same color and a tow of antistatic polyamide-6 bulked continuous filaments; single fibers in the three tows of polyamide-6 bulked continuous filaments are random three-dimensional crimped fibers; different types of fibers are randomly mixed and intertwined; and periodical net knots are arranged on the surface of the carpet yarn body. The preparation method is implemented by one step through a tri-screw bulked continuous filament (BCF) spinning machine set. The product substantially maintains the characteristics of abrasion resistance, stain resistance, resilience and the like of polyamide-6, and also has a permanent antistatic function and a flame-retardant function. According to the preparation method, the characteristics of a production process of the tri-screw BCF spinning machine set are utilized, so that the aim of spinning the antistatic flame-retardant polyamide-6 textured carpet yarn by one step is fulfilled, and the production process is simple, practical and efficient.
Owner:CHANGZHOU LINGDA SPECIAL FIBER

ECL (electrochemiluminescence) immunosensor for detecting tumor markers and preparation method and applications thereof

The invention discloses an ECL (electrochemiluminescence) immunosensor for detecting tumor markers and a preparation method and applications thereof. The immunosensor comprises a working electrode, a reference electrode and a counter electrode, wherein the working electrode is a gold electrode, cysteamine, glutaraldehyde, a tumor marker first-antibody, a tumor marker, and a composite functionalized nanosphere are sequentially decorated on the surface of the gold electrode, the composite functionalized nanosphere is simultaneously marked by a tumor marker second-antibody and an ECL marker, and non-specific active sites are closed by using bovine serum albumins. The preparation method comprises the steps of preparing the gold electrode on which the tumor marker first-antibody is fixedly carried; synthesizing the composite functionalized nanosphere simultaneously marked by the tumor marker second-antibody and the ECL marker; and finally, assembling the obtained gold electrode and the composite functionalized nanosphere into an ECL immunosensor. The ECL immunosensor disclosed by the invention is high in sensitivity, rapid in analysis speed, strong in stability and selectivity, good in reproducibility, easy to operate, and flexible in method.
Owner:NINGBO UNIV
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