链烷是油和天然气的主要成分,并且从而是化学工业的主要原料。
Alkanes are the main constituents of oil and natural gas, and consequently are the principal feedstocks for the chemical industry.
乙烷一种无色无味的气态链烷,分子式为c2h6,是天然气的组成成分,可用作燃料或。
A colorless, odorless gaseous alkane, C2H6, that occurs as a constituent of natural gas and is used as a fuel and a refrigerant.
关于链烷,这捐款位址更多的“哲学”的问题的氧化的一章描述化学动力学的俄罗斯学校。
The Russian school of chemical kinetics is represented by a chapter on oxidation of alkanes, this contribution addresses more "philosophical" issues.
本发明还涉及一种链烷磺酸的用途,用于阳极氧化铝或铝合金以增加阳极氧化的速率并减小能耗。
This invention relates to a chain of silane sulfonic acid, used for anodic alumina or USES aluminium alloy to increase the rate of anodic oxidation and reduce energy consumption.
所述提取物用链烷-环烷溶剂 以溶剂对提取物为(0.1~0.5)∶1的重量比预先进行稀释。
The extractive is diluted by the alkane-cycloparaffin solvent with weight ratio 1: (0.1-0.5).
本工艺程序提供了从链烯、环烯、芳链烯、链烷醇、环烷醇、芳烷醇来制备过氯酸烃基酯的方便方法。
The process provides a facile way of producing hydrocarbyl perchlorates, from alkenes, cycloalkenes, aralkenes, alkanols, cycloalkenes and aralkanols .
本发明进一步涉及一种电解质组合物,用于铝或铝合金的阳极氧化,其中该电解质含有3至30重量%链烷磺酸。
This invention relates to a further things, for aluminum electrolyte combination of aluminum anodized, or of the electrolyte contains 3 to 30 weight % chain silane sulfonic acid.
具有高含量的C27甾烷、规则甾烷、4-甲基甾烷、长链三环萜烷,说明它们母质主要为菌藻类;
High amounts of C27 steranes, regular steranes, 4-methyl steranes, long chain tricyclic terpanes for the western Qaidam oils indicate that the dominant organic matter source is algal material.
聚醚改性聚硅氧烷是一类新型的多功能的精细化工产品,它通过活性聚硅氧烷的支链或链端上接聚醚链段而得到。
Polyether modified polysiloxane is a new multi-functional fine chemical product. And it is made from inarching polyether segment on the branched chain or terminal chain of active polysiloxane.
氧气、水或醇、酸、碱或残留催化剂、硅油、机械外力、填料、聚硅氧烷的链端基等都会影响聚硅氧烷的热稳定性。
Accordingly, the thermal stability of polysiloxanes may be influenced by oxide, water, alcohol, acid, base, residual catalyst, silicone oil, mechanical stress, filler or the end groups of itself.
二十八烷醇是一种高级饱和长链脂肪醇,水分散性差。
Octacosanol is a kind of long chain fatty alcohols and it is very hard to disperse in water phase.
聚醚改性聚硅氧烷中的有机硅链段的良好靶向作用,充分提高了聚醚链段表面迁移的效率,实现对PP的亲水改性。
The efficiency of surface migration of polyether chain segment was fully raised and hydrophilic modified on PP was implemented.
硅橡胶是一类以聚硅氧烷为主链的高分子材料,它具有优异的耐热性、耐寒性和电绝缘性,广泛应用于社会各种行业。
Silicone rubber is a kind of polymer with polysiloxane-based chain, which has been widely used in many fields for its excellent heat resistance, cold resistance and electrical insulation.
二十八烷醇作为一种具有抗疲劳活性的功能性物质,是一种天然存在的长链饱和一元脂肪醇。
Octacosanol, as an active anti-fatigue functional substance, is a concentrated form of the saturated unique long-chain fatty alcohol exist in the nature.
FTIR谱图分析表明,共聚过程中,有机硅氧烷已经接枝到丙烯酸酯聚合物分子链上,并且改变了共聚树脂的性能。
It has shown, by use of FTIR analysis, that during copolymerization, silicone is grafted onto the acrylic polymer chain, and modified the properties of the copolymer resin.
本发明公开了一种自干型低脂肪链硅氧烷改性的水性丙烯酸树脂及其制备方法。
This invention discloses a self-drying low aliphatic chain oxosilane modified water-borne acrylic resin and preparation method thereof.
扩链剂是用来将聚二甲基硅氧烷两端活性较弱的羟基转变为高活性的异氰酸酯基。
The chain extender is used to convert the low-activity hydroxy groups of both ends of the polydimethylsiloxane into high-activity isocyanate groups.
上述感射线性树脂组合物含有(A)碱可溶性树脂、(B)1,2-醌二叠氮化合物和(C)具有硅氧烷链的特定聚合物。
The radiation sensitive linear resin composition comprises (A)alkali soluble resin, (B) 1,2-quinone-bi-azide compound and (C) special polymer with siloxane chain.
采用活泼二卤代烷与一种长链叔胺经过一步反应得到最终产物,产率较高。
Active saturated dihalide is adopted to further react with long chain tertiary amine to obtain a final product with high yield.
采用活泼二卤代烷与一种长链叔胺经过一步反应得到最终产物,产率较高。
Active saturated dihalide is adopted to further react with long chain tertiary amine to obtain a final product with high yield.
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