214results about How to "Wide operating temperature" patented technology

Compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and an ethylene multi-block copolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.

The present invention is directed to a cleaning composition comprising: (a) an enzyme in an amount effective to promote cleaning; (b) viable microorganisms in an amount effective to degrade and promote the degradation of organic materials; (c) a surfactant; and (d) an aqueous carrier; said cleaning composition maintaining at least 95% enzymatic activity at a pH range of from about 5.5 to about 13.5.

An infrared camera with lower dissipation power, a wide range of operating environment temperature, and a shorter warmup is provided. The infrared camera includes a plurality of device operating-temperature setting circuits setting respective device operating temperatures different from one another, a device operating-temperature setting switch for selecting one of the output of the device operating-temperature setting circuits, and a temperature sensor, and performs imaging by switching the connection target of the device operating-temperature setting switch according to a measurement by the temperature sensor, that is to say, according to the temperature inside an enclosure and selecting an operating temperature for an imaging device among a plurality of device operating-temperature settings.

The invention provides a molten nano-carbonate heat transfer and accumulation medium, and a preparation method and an application thereof, and belongs to the technical field of heat storage and transmission. The molten nano-carbonate heat transfer and accumulation medium contains a molten carbonate system formed by potassium carbonate, sodium carbonate, lithium carbonate and sodium chloride, nanoparticles are added into the molten carbonate system, and the nanoparticles are metal oxide and/or nonmetal oxide; and the nanoparticles are dispersed into the molten carbonate system, and the molten nano-carbonate heat transfer and accumulation medium is formed through compounding. The melting point of molten nano-carbonate is low, so the molten nano-carbonate heat transfer and accumulation medium has an upper limit use temperature of 800DEG C, has a good heat stability and a high heat conductivity, and is very suitable for the heat accumulation and transfer systems of industrial energy accumulation and solar photo-thermal power generation.

The invention relates to the technical field of lithium secondary battery additives and particularly relates to a lithium secondary battery additive, a preparation method thereof and application thereof. The additive is LibMaXc, M is B, Al, Ga, In, Y, Sc, Sb, Bi, Nb, Ta, Ti, Zr, V, Cr, Mo, W, Mn, Tc, Re, Fe, Co, Ni, Cu, Ag, Zn, Cd, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu, X isF, Cl, Br or I, b is larger than or equal to 0.2 and smaller than or equal to 6, a is larger than or equal to 0.1 and smaller than or equal to 3, and c is larger than or equal to 1 and smaller than or equal to 9. The lithium secondary battery additive has the advantages of high ionic conductivity and air stability, the rapid transmission of electrode ions can be improved, the electrode loading capacity and thickness are improved, and the energy density of the battery is improved.

There is provided a thermosensitive material allowing a thermal pellet incorporated thermal fuse's operating temperature, or heat distortion temperature, to be adjusted and preventing deformation, modification or similar deficiency if it is exposed to severe external environment, and there is provided an inexpensive thermal fuse that provides a wider range from which an operating temperature is selected, improved insulation resistance after operation, faster response speed in operation, and enhanced strength of the thermal pellet. To do so, the thermosensitive material is formed of thermoplastic resin corresponding to a high molecular substance, the thermal pellet's heat distortion temperature is adjusted by a temperature setting method, and an enclosure has a metal casing with a spring member's strong and weak compression springs and both accommodated therein and hermetically sealed.

The invention relates to a preparation method of a polymer weak gel deep profile control agent. The preparation method comprises the following steps of preparing sodium carboxymethyl cellulose and distilled water into sodium carboxymethyl cellulose water solution of which the mass percentage is 1%-2%; adding acrylamide of which the mass is 2-8 times as great as that of the sodium carboxymethyl cellulose into the sodium carboxymethyl cellulose water solution, and then adding a cross-linking agent which accounts for 0.01%-2% of the total weight of the sodium carboxymethyl cellulose and the acrylamide; enabling nitrogen to enter into a closed system and isolating the air, and adding an initiating agent which accounts for 1%-2% of the total mass of the sodium carboxymethyl cellulose and the acrylamide; and discharging after carrying out constant-temperature reaction for 4-12 hours under the temperature of 30-60 DEG C. According to the preparation method disclosed by the invention, the acrylamide is grafted to the sodium carboxymethyl cellulose, polymer weal gel with a mesh structure is formed under the action of the initiating agent and the cross-linking agent, and a polymer weak gel system integrates the advantages of the sodium carboxymethyl cellulose and the acrylamide.

The invention relates to a building ecological heat-insulation mortar and a preparation method of the heat-insulation mortar, belonging to the technical field of buildings heat-insulation mortar materials. The preparation method mainly comprises the steps of organically combining phase change material, material for regulating environment humidity and adsorbing harmful gas, and foaming heat-insulation inorganic cementing material, and fully building an ecological environment of human and buildings. The raw materials are cheap and easily available, thus being conducive to waste recovery, environment friendliness and energy conservation. The product is convenient to produce, package, store, transport and construct. Heat-insulation inner wall mortar, heat-insulation outer wall mortar, heat-insulation building mortar, heat-insulation floor heating mortar and heat-insulation wall pouring mortar can be prepared by regulating different formulas. The construction modes include manual scraping, pouring and mechanical spraying.

Present invention relates to an electric double-layer capacitor having positive and negative electrodes containing nonporous carbon as an electrode active material. In the nonporous carbon, multiple layers of graphene having an average interplanar spacing d₀₀₂ of 0.350 to 0.380 nm have been grown well. The positive and negative electrodes are impregnated with an electrolyte solution. The nonporous carbon is obtained by activating easily graphitizable carbon, which in turn is obtained by calcining needle coke or pitch made infusible. The elctrolyte solution is either a liquid electrolyte having a planar molecular structure or an electrolyte solution consisting of a liquid electrolyte dissolved in an organic solvent.

The invention relates to a novel nickel-based liquefied petroleum gas (LPG) water vapor reforming catalyst and a preparation method thereof, and belongs to the technical field of catalyst preparation processes. The LPG water vapor reforming catalyst consists of oxides of nickel, magnesium and aluminum. The LPG water vapor reforming catalyst is characterized in that: the nickel content is 5 to 20 weight percent, and the molar ratio of the magnesium to the aluminum is 0.5-2:1. The preparation method comprises the following steps of: titrating soluble magnesium nitrate and aluminum nitrate to obtain sediment by using alkali liquor; performing suction-filtration, washing, drying and baking the sediment to obtain a magnesium aluminum composite oxide carrier; and loading a certain amount of nickel on the obtained carrier by an immersion method, and drying and baking the carrier again to obtain a finished catalyst product. The prepared catalyst has the advantages of high catalytic activity, wide usage temperature, good catalytic stability, high mechanical strength, low production cost and the like. The life experiment results show that the preferable 15 weight percent Ni/Mg1.25 (Al) catalyst is a potential LPG water vapor reforming catalyst.

The invention discloses an efficient denitrified integral catalyst of a stationary source, which relates to a control technique of catalytic selective reducing nitric oxides (NOx) in the fields of catalyzation, environmental protection and energy saving and is characterized in that honeycomb cordierite ceramics are used as matrixes; gamma-Al2O3 is used as a first carrier; anatase crystal TiO2 is used as a second carrier; and a manganese oxide molecular sieve (V-OMS) of framework vanadium ions (V<5+>) is used as an active component, wherein contents of the gamma-Al2O3 and the TiO2 are respectively 5wt% to 15wt% and 5wt% to 15wt%; the content of the V-OMS is 5wt% to 20wt%; and the molar ratio of V to Mn is between 0 and 0.20. On a window with wide temperature of 80 DEG C to 450 DEG C, the conversion ratio of the NOx of the integral catalyst of the invention by using NH3 as a reducing agent is not less than 85%; and the selectivity of N2 is larger than 90%. The integral catalyst is suitable for controlling the discharge of nitrogen oxides of the stationary source (boiler).

An optical image capturing system including an imaging lens assembly having at least three lens elements for capturing image is provided. The optical image capturing system includes at least three pieces of lens elements; a first image plane for visible ray; a second image plane for infrared ray; and an image sensing device located between the first image plane the second image plane. The distance on the optical axis can be minimized by the design of said optical lens elements to improve the imaging quality of both visible ray and infrared ray in compact cameras.

The invention relates to a high-efficient denitration monolithic catalyst for titanium oxide carried vanadium-molybdenum composite oxide and a preparation method thereof, and relates to a technology for controlling selective catalytic reduction of nitrogen oxide (NOx) in the fields of catalysis, environmental protection and energy saving. The preparation method provided by the invention is characterized in that a honeycomb cordierite ceramic material is used as a matrix, gamma-Al2O3 is used as a first carrier, Anatase crystalline TiO2 is used as a second carrier, and active components containing V2O5-MoO3 composite oxide are used as the active components, wherein the contents of gamma-Al2O3 and TiO2 are respectively 5-15 wt% and 5-10 wt%, the content of V205-MoO3 is 1-10 wt%, and the mol ratio of V/Mo ranges from 0 to 0.20. The monolithic catalyst provided by the invention has a broad temperature window of 80-450 DEG C; with NH3 as a reducing agent, the transformation rate of NOx is not less than 85%; and the selectivity on N2 is greater than 90%.

The invention discloses compound calcium sulfonate base lubricating grease and a preparation method thereof. The key points of the technical scheme of the invention lie in that the compound calcium sulfonate base lubricating grease is prepared by adding calcium sulfonate in an inorganic substance and an organic substance compound calcium soap and thickening base oil, and an arylamine antioxidant is added in a thickening procedure. The high-performance compound calcium sulfonate base lubricating grease is prepared and acquired in a certain raw material ratio and operation condition. By using the compound calcium sulfonate base lubricating grease and the preparation method, the cost of a user is reduced; a product has favorable water resistance, lubricating property and high temperature resistance, cannot be emulsified and degreased, and is not easy to run off; the service life of mechanical equipment is prolonged; the maintenance time of the equipment is decreased; the production efficiency of the equipment is improved; a raw material formula is reasonable; the cost is low; the emission of three wastes does not exist in a production procedure; the compound calcium sulfonate base lubricating grease and the preparation method are environment-friendly while an industrial requirement is met; and the preparation method is a green production process.

The invention relates to a composite alloy inert anode for aluminum electrolysis. The composition of the matrix of the composite alloy inert anode for aluminum electrolysis is (x)A(y)B, wherein X is the content of A in percentage by weight, y is the content of B in percentage by weight, X is 40-100%, and y is 0-60%; A consists of one or multiple elements of Cu, Ni, Fe, Co, Al, Mn, W, Cr, Ti, Sn and Zn; and B consists of one or multiple elements of Mo, Pd, Ag, Cd, Au, Pt, Sb, Mg, Ir, Bi, Pb, Si, N, C and rare-earth. A compact protective film is coated on the matrix, and is an oxide film and or a permeator. The composite alloy inert anode is adopted in the process of electrolysis, thus solving the problems of poor conductivity and thermal shock stability of ceramic anodes; the composite alloy inert anode has better corrosion resistance as compared with a single alloy anode; and in addition, the composite alloy inert anode is especially suitable for being applied in a low-temperature aluminum electrolysis system and can also be applied in the field of fusion-electrolysis metallurgy of rare earth, Mg and the like.

The invention provides a multistage heat accumulating type solar heat-power cogeneration system which comprises a tower type heat absorption-accumulation-transfer subsystem, a tank type heat absorption-accumulation-transfer subsystem, a flat plate type heat absorption-accumulation-transfer subsystem and a heat-power cogeneration subsystem, wherein the tower type heat absorption-accumulation-transfer subsystem, the tank type heat absorption-accumulation-transfer subsystem and the flat plate type heat absorption-accumulation-transfer subsystem are coupled through a moderate temperature coupling heat accumulator and a low temperature coupling heat accumulator; and the heat-power cogeneration system comprises a power supply mode, a heat supply mode and a heat-power cogeneration mode, and operates together with the three heat absorption-accumulation-transfer subsystems. The invention organically combines the solar tower type, tank type and flat plate type heat collecting systems to form high temperature, moderate temperature and low temperature three-stage heat accumulators; and thus, the invention can meet the requirements for industrial large-scale solar moderate temperature and high temperature heat utilization, and is beneficial to the comprehensive cascading utilization of energies.

The invention relates to an industrial preparation process for 3,4-difluorobenzonitrile. The method comprises the following steps of: reacting 3,4-dichlorobenzonitrile and anhydrous potassium fluoride under the protection of nitrogen by taking 1.3-dimethyl-2-imidazolone as a reaction solvent and N-bis(dimethylamino)methylene-1.3-dimethyl imidazoline-2-ammonium chloride salt as a catalyst at the temperature of between 200 and 230 DEG C for 20 hours, reacting with rectifying to obtain a 3,4-dichlorobenzonitrile crude product, rectifying the 3,4-dichlorobenzonitrile to obtain high-purity 3,4-dichlorobenzonitrile, and distilling the solvent and recycling. The method has the advantages of simplicity, mild reaction, short period, and high yield.

The invention relates to multi-case-layer structure X8R capacitor dielectric ceramic and a preparation method thereof. The multi-case-layer structure X8R capacitor dielectric ceramic is characterized by being prepared from BaTiO3-Nb2O5-Co2O3-Sm2O3-CeO2 powder and 0.5BaTiO3-0.5Bi(Mg1/2Ti1/2)O3 powder, wherein the molar ratio of the BaTiO3-Nb2O5-Co2O3-Sm2O3-CeO2 powder to the 0.5BaTiO3-0.5Bi(Mg1/2Ti1/2)O3 powder is x/1, and x is greater than or equal to 4 but is smaller than or equal to 8. The capacitor dielectric ceramic prepared by the method has the characteristics of wide work temperature range and high stability.

A supercapacitor capable of withstanding SMT manufacturing conditions comprising at least one pair of electrodes having a mixture of carbon particles preferably in a CMC binder on facing surfaces of the at least one pair of electrodes; a porous separator, preferably polyimide, positioned between the facing surfaces of the at least one pair of electrodes; and an electrolyte for wetting the separator wherein the electrolyte comprises an ionic liquid, such as EMITSFI, and optionally a solvent such as PC, GBL or glutaronitrile.

The invention provides a high-temperature proton exchange membrane in a porous hydrogel base as well as a preparation method and an application of the membrane. The preparation method of the high-temperature proton exchange membrane comprises the following steps of: automatically-polymerizing a hydrophilic monomer or enabling the hydrophilic monomer and a hydrophilic macromolecule to form a (semi) interpenetrating network structure hydrogel film; swelling the (semi) interpenetrating network structure hydrogel film by adsorbing deionized water; and adsorbing a proton conductor aqueous solution through vacuum-freezing and drying to obtain the high-temperature proton exchange membrane in the porous hydrogel base, wherein the proton conductivity of the prepared proton exchange membrane in the porous hydrogel base can reach 0.1S.cm<-1> to 0.15S.cm<-1>. The preparation method disclosed by the invention is better than the conventional preparation method for the proton exchange membrane doped with a proton conductor, and capable of adsorbing the proton conductor to the three-dimensional network structure of the hydrogel film and firmly sealing the proton conductor by utilizing the porous structure, the swelling property, the unique adsorption and the retainability of the hydrogel film. The high-temperature proton exchange membrane in the porous hydrogel base is large in proton conductor adsorbing capacity, high in proton conductivity, wide in operation temperature range, simple and easy in preparation method, low in cost and large in improvement space.