130results about How to "Reduce the effects of aging" patented technology

The invention discloses a technique for producing octenyl succinate starch ester with low viscosity by an oxidation method, which comprises steps as follows: waxy rice starch and water are prepared to be starch milk in a reaction vessel, then the starch milk is heated to 34 DEG C to 38 DEG C, and a sodium hydroxide solution is added for adjusting the PH value between 9.3 and 9.7; sodium hypochlorite is added to carry out oxidation reaction, and the PH value and the reaction temperature are kept; sodium pyrosulfite is added to carry out reduction reaction, and a hydrochloride solution is added in the reaction process to adjust the PH value of the starch milk between 8.5 and 9.0, and the temperature is cooled to 28 DEG C to 31 DEG C, and then octenyl succinic anhydride with 2 percent to 3 percent of the total mass of absolute dry starch is added to carry out esterification reaction; and after the esterification reaction, the hydrochloride solution is added to neutralize the PH value of the starch milk between 5.5 and 6.5, and the finished product can be obtained by washing and drying the neutralized starch milk. By adopting the technique for producing the octenyl succinate starch ester with low viscosity by the oxidation method, the product is high in esterification reaction efficiency, good in emulsifying properties and high in product quality.

A core-based multi-bit memory (400) having a dual-bit dynamic referencing architecture (408, 410) fabricated on the memory core (401). A first reference array (408) and a second reference array (410) are fabricated on the memory core (401) such that a reference cell pair (185) comprising one cell (182) of the first reference array (408) and a corresponding cell (184) of the second reference array (410) are read and averaged to provide a reference voltage for reading a data array(s).

The invention provides super-white photovoltaic glass and a preparation method and application thereof. The super-white photovoltaic glass comprises substrate glass and a rare earth compound doped into the substrate glass, wherein the rare earth compound is rare earth oxide or rare earth-containing mineral; the rare earth oxide is at least one of CeO2, Sm2O3, Eu2O3, Tb2O3 and Dy2O3; and the rare earth-containing mineral comprises at least one element of Ce, Sm, Eu, Tb and Dy. The super-white photovoltaic glass can convert ultraviolet light into visible light, so that the transmittance of the visible light is enhanced; when the super-white photovoltaic glass is used for a glass cover plate of a solar cell, the conversion efficiency of the cell can be improved, generated energy is increased, and the aging of sealing materials such as ethylene-vinyl acetate (EVA) caused by the ultraviolet light can be reduced; and the preparation method of the super-white photovoltaic glass is simple, easy to operate and control and suitable for industrial production.

The invention discloses a thermo-oxidative ageing resistance black filling polypropylene composite material and a preparation method thereof. The composite material consists of the following components in percentage by weight: 50 to 75 percent of polypropylene, 10 to 40 percent of filling, 0 to 15 percent of an elastomer, 0.5 to 2 percent of an acid acceptor, 0.7 to 1.5 percent of composite antioxidant, 0.2 to 0.6 percent of a processing aid, 0.4 to 0.8 percent of carbon black, and 0.2 to 0.8 percent of paraffin oil. In the composite material, the acid acceptor is added to adsorb acid substances on the carbon black surface, and the antioxidant containing a plurality of reactive functional groups is also added, so that the dissolubility of the antioxidant in the system is increased, the oxidation resistance of the antioxidant cannot be easily weakened by the carbon black, and the thermal-oxidative ageing resistance of a black high filling polypropylene system can be effectively improved. The acid acceptor in the polypropylene resin can eliminate halogen in the resin and the residual catalyst in the resin to prevent the halogen or the catalyst from reacting with the resin to generate gel, and can effectively prevent the halogen or the catalyst from corroding the equipment. The acid acceptor can effectively adsorb the acid substances of the PP filling system and impurities on the carbon black surface so as to improve the thermo-oxidative ageing resistance of the system.

The invention relates to an electronic management system (5) for electricity generating cells (3), the system comprising:

cell connection terminals to be connected to n associated electricity generating cells (3), n being a positive integer number,

outputs to be connected to m associated static converters (9); m being a positive integer number and at least m=2,

an energy routing module (13) adapted for routing energy flows from and between said cell connection terminals towards said outputs; and

an electronic control unit (15) adapted for controlling dynamically the energy routing module (13).

The present disclosure concerns a magnetic memory element suitable for a thermally-assisted switching write operation, comprising a current line in electrical communication with one end of a magnetic tunnel junction, the magnetic tunnel junction comprising: a first ferromagnetic layer having a fixed magnetization; a second ferromagnetic layer having a magnetization that can be freely aligned at a predetermined high temperature threshold; and a tunnel barrier provided between the first and second ferromagnetic layer; the current line being adapted to pass a heating current through the magnetic tunnel junction during the write operation; wherein said magnetic tunnel junction further comprises at least one heating element being adapted to generate heat when the heating current is passed through the magnetic tunnel junction; and a thermal barrier in series with said at least one heating element, said thermal barrier being adapted to confine the heat generated by said at least one heating element within the magnetic tunnel junction.

The invention discloses modified polypropylene (PP) plastic and a preparation method and use thereof. The modified polypropylene plastic is formed by melting and blending polypropylene with ZnO, ZnO/TiO2 or TiO2/ZnO loaded molecular sieve activated powder. The preparation method of the modified plastic comprises: subjecting a precursor solution of ZnO or TiO2 and molecular sieve activated powder to reduced-pressure absorption reaction; loading the ZnO2 or TiO2 on a molecular sieve activated carrier by high-temperature firing; repeating the loading step to obtain ZnO/TiO2 or TiO2/ZnO loaded molecular sieve activated powder; and melting and blending the ZnO/TiO2 or TiO2/ZnO loaded molecular sieve activated powder with polypropylene. The modified polypropylene plastic disclosed by the invention has good killing effect on staphylococcus aureus, Escherichia coli and the like, has much obvious antibacterial effect in a dark environment than simple pure nano TiO2 modified PP under the same conditions, has much higher ultraviolet aging resistance than PP or PP inorganic particle composite material, and can be used for preparing all-weather antibacterial and anti-aging materials.

An electrical bushing for providing electrical insulation of a conductor extending through the bushing is disclosed. The bushing includes: one conductive foil concentrically arranged around the conductor location; and one FGM part, made from a field grading material and partly arranged in the extension of part of a foil edge of a conductive foil. The FGM part and the conductive foil, in the extension of which the FGM part is arranged, are in electrical contact.

The invention relates to a method for preparing special oil for oil-in-water frozen dough, belonging to the technical field of oil preparation. The method comprises the following steps: adopting a product synthesized by ester exchanger of solid fat and liquid oil as base oil, adding a certain amount of sterilization water, and adding a small amount of emulsifier and stabilizer as well as trace amount of antioxidant and antiseptic. The production process comprises the steps of synthesizing the base oil by ester exchange, matching auxiliaries, emulsifying, quenching, kneading, packaging and ripening. The special oil for oil-in-water (O/W) frozen dough produced by adopting the invention has high quality and stable property and can be used when frozen dough is baked in different seasons.

The present disclosure relates to high protein dietary supplements for treating various symptoms and diseases associated with protein deficiency including weight gain, obesity, catabolic diseases, fibromyalgia, anxiety reactions, posttraumatic stress and chronic fatigue syndrome. Embodiments of dietary supplements comprise combinations of proteins, essential and semi-essential amino acids including L-Lysine, L-Arginine, and/or L-Histidine.

A device for controlling the temperature of an energy store is provided. The device includes a contact element having a contact area for providing a thermal coupling to the energy store, a fluid channel, which is arranged in the contact element, and an insulating apparatus, which is arranged in the contact element.

The invention discloses a negative temperature coefficient thermistor raw material composition, a negative temperature coefficient thermosensitive composition, a preparation method of the negative temperature coefficient thermosensitive composition and a preparation method of a negative temperature coefficient thermistor chip. The negative temperature coefficient thermistor raw material composition is prepared from the following components in percentage by mass: 30 to 65 percent of Mn3O4, 5 to 45 percent of Co3O4, 5 to 25 percent of NiO, 5 to 30 percent of Fe2O3, 0.5 to 2.0 percent of Nd2O3 and 1 to 10 percent of Al(NO3)3.9H2O. Al<3+> is introduced into the negative temperature coefficient thermistor raw material composition in an aluminum nitrate form instead of an Al2O3 solid form; the aluminum nitrate is good in water solubility and is easily and uniformly distributed in the composition, so that the deviation between a resistance value and B value can be reduced, and electrical resistivity and B value precision are improved; in addition, by adding high-enthalpy rare earth oxide Nd2O3, the enthalpy of oxide is 1783KJ/mol, and the oxides do not easily generate chemical reaction at high temperature, so that the ageing influence caused by chemical changes is reduced, and further the electrical stability of the thermistor is improved.

A surface paper with a heat transfer label and a production method thereof are disclosed. The surface paper comprises a layer of original paper, at least a receiving layer is formed on one side or two sides of the original paper layer, and the receiving layer is composed of the following components in parts by weight: 100 parts of white pigment, 5 to 15 parts of adhesive agent, 10 to 20 parts of amorphous mat filling material, and 5 to 15 parts of paint made of hot-melt adhesive; wherein the solid content of the paint is 45% to 70%, the paint viscosity is 400 cps to 1000 cps, and the coating amount of the paint on the receiving layer is 1 g/m2 to 20 g/m2. Preferably, a thermal insulation layer is formed between the receiving layer and the original paper layer. The surface paper with a heat transfer label is obtained by preparing original paper and paint, coating paint on the surface of the original paper, and press-polishing the surface. The surface paper with a heat transfer label has the characteristics of simple preparation method and low cost.

The invention relates to the field of metallurgy, and particularly discloses an HRB400 rebar and a production method thereof. The HRB400 rebar is prepared from 0.19 wt%-0.25 wt% of C, 0.55 wt%-0.80 wt% of Si, 1.45 wt%-1.60 wt% of Mn, 0.20 wt%-0.30 wt% of Cr and the balance iron. The HRB400 rebar has the advantages of being excellent and stable in mechanical property and low in cost.

A semipermeable gas separation membrane is plasma deposited from liquid organosiloxane monomer having at least three silicon atoms and an alpha hydrogen atom. The semipermeable membrane may be employed as a gas-selective membrane in combination with a porous substrate.