摘要:
A multi-stage compressor is disclosed, which comprises: two motion converters driven by one driving shaft and converting a rotary motion to a straight-line reciprocating motion; first and second pistons (62) connected to one of the motion converters in opposite directions and moving reciprocatively in a straight line; and third and fourth pistons (72) connected to the other one of the motion converters in opposite directions, arranged at a predetermined angle with respect to the first and second pistons (62), and moving reciprocatively in a straight line, and which is characterized in that at least two of the four pistons operate for first-stage compression and at least one of the others operate for second-stage compression.
摘要:
The present invention relates to an adaptor of a wiper blade with an improved structure for allowing the wiper blade to be easily coupled to wiper arms with a variety of shapes and sizes upon exchange of the wiper blade. There is provided an adaptor coupled to a bracket of a wiper blade for coupling the wiper blade to a wiper arm, which includes a base body formed with a coupling groove portion to be coupled to the bracket, and a pair of base sidewalls coupled integrally with each other by the base body. Further, the base body includes a first elastic support extending from the coupling groove portion in one direction and a second elastic support spaced apart from the first support by a certain distance, and each of the pair of base sidewalls is formed with a through hole therein.
摘要:
A novel colloid active component, a method for manufacturing colloid aluminum silica gel, and a surfactant containing the same are disclosed, wherein the method includes the steps of: (a) dissolving a mixture of aluminum oxide, silicic acid, potassium, iron oxide, sulfuric acid and water into sulfuric acid; (b) adding potassium sulfate solution into the solution, and stirring at a low temperature to produce compositions with soluble aluminum double salt; (c) purifying the compositions to obtain a very pure and dense aluminum potassium sulfate; (d) adding aluminum silicate and water to produce alkali metal polysilicate-sulfate water salt chelate; (e) polymerizing and precipitating the resultant; (f) adding Mgo, Fe2O3, Ca(OH)2, NaOH, KOH, and distilled water; (g) purifying and drying the chelate; (h) mixing the resulting microsphere, with sulfuric acid; (i) further treating the mixture and performing vapor treatment to obtain aluminum silicate molecular sieve; and, (j) polymerizing the aluminum silicate molecular sieves to a highly dense heel.
摘要翻译:公开了一种新型胶体活性成分,胶体铝硅胶的制造方法和含有该胶体的硅胶的表面活性剂,其中,该方法包括以下步骤:(a)将氧化铝,硅酸,钾,氧化铁, 硫酸和水分成硫酸; (b)向溶液中加入硫酸钾溶液,并在低温下搅拌以制备具有可溶性双铝复合盐的组合物; (c)纯化组合物以获得非常纯且致密的硫酸铝钾; (d)加入硅酸铝和水,生成碱金属聚硅酸硫酸盐水盐螯合物; (e)使所得物聚合并沉淀; (f)加入Mgo,Fe 2 O 3 O 3,Ca(OH)2 2,NaOH,KOH和蒸馏水; (g)纯化和干燥螯合物; (h)将所得微球与硫酸混合; (i)进一步处理混合物并进行蒸汽处理以获得硅酸铝分子筛; 和(j)将硅酸铝分子筛聚合成高密度的鞋跟。
摘要:
A provided novel colloid active component, a method for manufacturing colloid aluminum silica gel, and a surfactant containing the same are disclosed for solving water and land pollution, being safe to a human and the ecosystem, and adding economic value and applicability for the industrial use, wherein the method comprises the steps of: (a) dissolving a mixture of aluminum oxide, silicic acid, potassium, iron oxide, sulfuric acid and water into sulfuric acid; (b) adding potassium sulfate solution into the solution, and stirring at a low temperature to produce compositions with soluble aluminum double salt; (c) purifying the compositions to get very pure and dense aluminum potassium sulfate; (d) adding aluminum silicate and water to produce alkali metal polysilicate-sulfate water salt chelate; (e) polymerizing and precipitating the resultant at a low temperature to produce pectograph of aluminum silicate sieve; (f) producing chelate by adding Mgo, Fe2O3, Ca(OH)2, NaOH, KOH, and distilled water in sequence; (g) purifying and drying the chelate to get dried microsphere; (h) melting the microsphere, cooling, hardening, and mixing with thin sulfuric acid; (i) polymerizing, cleansing, heating, dehydrating, or drying, and performing vapor treatment to obtain powdered and highly absorptive aluminum silicate molecular sieve with under 1 &mgr;m of granularity; and, (j) polymerizing the aluminum silicate molecular sieves with each other until they are matured to be a highly dense heel.