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77results about How to "Small reduction" patented technology

Injection mould with rapidly-replaced mould cores

The invention discloses an injection mould with rapidly-replaced mould cores. The injection mould is composed of a movable mould and a stationary mould, wherein a main body of the movable mould is composed of a movable mould base and a movable mould core movably arranged on the movable mould base; a main body of the stationary mould is composed of a stationary mould base and a stationary mould core movably arranged on the stationary mould base; the butt joint faces of the movable mould base and the stationary mould base are respectively provided with a mould core mounting sliding chute which horizontally extends from front to back; at least the front ends of the mould core mounting sliding chutes are provided with plug-in mounting holes for mounting or dismounting the mould cores; the mould cores are provided with tracks matched with the mould core mounting sliding chutes so as to move along the mould core mounting sliding chutes; and the mould cores are inserted to or dismounted from the mould core mounting sliding chutes on the mould bases through the plug-in mounting holes, thus the mould cores are replaced. According to the invention, only one set of mould base needs to be manufactured to be matched with the mould cores of different cavities which are manufactured according to spline standards tested based on different performance indexes; the mould replacing operation is easier and more convenient than that of the prior art, so that the mould replacing time is greatly shortened; and the manufacturing cost of various test spline moulds can also be greatly reduced.
Owner:广州现代塑料有限公司

Composite bamboo shoot fermenting agent and preparation method of fermented bamboo shoots

The invention discloses a composite bamboo shoot fermenting agent and a preparation method of fermented bamboo shoots. The composite bamboo shoot fermenting agent contains monascus vinasse and liqueur koji. The preparation method of the fermented bamboo shoots comprises the following steps of: firstly, blanching bamboo shoots; and then, fermenting the bamboo shoots under the action of the composite bamboo shoot fermenting agent. Under the action of the composite bamboo shoot fermenting agent, aromatic substances, pigments, and the like in the vinasse are infiltrated in the bamboo shoot tissues. The prepared vinasse-processed bamboo shoots have the characteristics of unique fragrance and flavor, mellow and pleasant taste, elegant flavor, attractive color and rich nutrition. The preparation method can effectively prevent fresh bamboo shoots from aging, lessen the loss of nutrient contents, preserve the nutrient contents of the bamboo shoots and ensure the quality and the grade of the bamboo shoots. The fermented bamboo shoots prepared by using the method disclosed by the invention have appropriate proportions of liquor, sugar and acid, and have the advantages of low alcohol and sugar contents, stable resistance to acid and alkali, strong heat resistance and light resistance, stable resistance to oxidoreduction and favorable practical values and application prospects.
Owner:健盛食品股份有限公司

Crosslinkable aromatic resin having protonic acid group, and ion conductive polymer membrane, binder and fuel cell using the resin

The present invention provides a proton-acid group-containing cross-linkable aromatic resin having a cross-linking group suitable for use as an electrolyte membrane and a binder used in fuel cells, and a polymer for fuel cells obtained from the resin. Electrolyte membranes and binders, and fuel cells using them. This protonic acid group-containing crosslinkable aromatic resin has a crosslinking group that is not derived from a protonic acid group and can be crosslinked without generating a detachment component, and exhibits excellent ion conductivity, heat resistance, water resistance, Adhesion, and low methanol permeability. As the above-mentioned crosslinking group that is not derived from a protonic acid group and can be crosslinked without generating a detachment component, an alkyl group having 1 to 10 carbon atoms and a carbonyl group directly bonded to an aromatic ring are used as a crosslinking group, or A carbon-carbon double bond or a carbon-carbon triple bond is a better choice as the crosslinking group. Aromatic resins such as aromatic polyethers, aromatic polyamides, aromatic polyimides, aromatic polyamideimides, and aromatic polypyrroles having the above-mentioned crosslinking groups are proton acid group-containing crosslinking aromatic resins. A good choice for family resins.
Owner:MITSUI CHEM INC

Transparent molded objects, optical member, plastic lens, and processes for producing these

InactiveUS20040151915A1Excellent transparency and mold releasing propertyGood release effectSynthetic resin layered productsCoatingsCarbon numberO-Phosphoric Acid
A transparent molded article comprised of a polymer of the following components (A) and (B), characterized in that said polymer further comprises the following components (C) and (D). A transparent molded article comprised of a polymer of the following components (A) and (B), characterized in that said polymer further comprises the following component (G). An optical member comprising an antireflective layer directly or indirectly on a polyurethane urea polymer substrate, characterized in that said antireflective layer is a multilayer antireflective layer comprising a ½ lambda layer, and said ½ lambda layer comprises a plural high refractive index layers comprising niobium oxide or niobium oxide, zirconium oxide and yttrium oxide, and a layer comprised of silicon dioxide positioned between the high refractive index layers. Component (A): isocyanate terminal prepolymer in the form of a reaction product of an aliphatic diisocyanate having an intramolecular cyclic structure and a diol having an average molecular weight of 300-2,500 Component (B): one or more aromatic diamines denoted by general formula (I). (In general formula (I), R1, R2 and R3 are each dependently any of a methyl, ethyl or thiomethyl group.) Component (C): one or more phosphoric acid monoesters denoted by general formula (II). (In general formula (II), R4 is an alkyl group with a carbon number of 1-10 and n1 is 1 or 2.) Component (D): one or more phosphoric acid diesters denoted by general formula (III). (In general formula (III), R5 and R6 are each dependently an alkyl group with a carbon number of 1-10 and n2 and n3 are 1 or 2.) Component (G): one or more phosphorous peroxide decomposing agents.
Owner:HOYA CORP

Lignite low nitrogen oxide combustion method with dry-type amino reductive delivery

The invention provides a combustion method for brown coal with less nitrogen oxide by dry-type transportation of an amino group reducer and relates to the combustion method for brown coal. The method solves the problems that slag bonding is easy to appear in the boiler combustion of the brown coal by adopting air fractional combustion technology, a catalyst is needed, system investment is huge and operating cost is high in the boiler combustion of the brown coal by adopting selective catalytic reduction technology and denitration efficiency is low and thermal efficiency of the boiler is affected by evaporation of reducer solution in the boiler combustion of the brown coal by adopting selective non-catalytic reduction technology. A boiler with the furnace being divided into a primary combustion zone (1) and a burnout zone (2) from bottom to top is adopted in the boiler combustion method and amino group reducer particles and solution are sprayed grade by grade during the combustion process of the brown coal. By the two methods of the invention, the discharge of the nitrogen oxide can be reduced by more than 60% and the combustion efficiency of the brown coal is up to more than 98%. By the two methods, no slag bonding appears during the combustion of the brown coal, no catalyst is needed and the operating cost is only around 30% of the operating cost of the SCR method. The effect of the method on the thermal efficiency of the boiler is less than 0.5%.
Owner:HARBIN INST OF TECH

Method for removing fluorine in lithium-mica ore neutral leaching solution by using aluminum-containing adsorbents

ActiveCN110205502ASolve the problem of excessive fluorine contentWon't happenOther chemical processesCombustible gas purificationSorbentLithium carbonate
The invention relates to a method for removing fluorine in a lithium-mica ore neutral leaching solution by using aluminum-containing adsorbents, and belongs to the technical field of rare metal hydrometallurgy. The method disclosed by the invention comprises the following steps that the PH value of the lithium mica leaching solution is adjusted to 4.0-9.5 at 10-35 DEG C; appropriate amount of aluminum-containing adsorbents is added, so that the concentration of aluminum-containing adsorbents reaches 28-32 g / L, and the aluminum-containing adsorbents are continuously stirred for 15-45 min; thefluorine-loaded aluminum-containing adsorbents solid and a defluorinated lithium mica leaching solution are obtained through the solid-liquid separation; and the PH value of the aluminum-containing adsorbents is strictly controlled to 5.8-6.2 during preparation of the aluminum-containing adsorbents. The fluorine removal agent prepared by the method can effectively reduce the fluorine content in the lithium mica ore leaching liquid to reach the standard, the quality of the lithium carbonate product is directly improved, the cost is low, the method has considerable social and economic values; meanwhile, the aluminum-containing adsorbents are simple to regenerate, and the performance of the regenerated product is far superior to that of an existing product.
Owner:CENT SOUTH UNIV +1
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