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- long chain polymer 长链聚合物
- Poly(ethylene glycol) (PEG) is a hydrophilic polymer which has flexible long chain. 摘要聚乙二醇是一类亲水性长链聚合物。
- As a result, the waste mud can be reduced by 48%.Linear long chain high polymer flocculates completely with waste mud in a special drum.The ... 利用线型长链高聚物在专制的滚筒内与废浆发生完全絮凝，絮团受到不均匀力作用，不断致密并与水分离，最终满足堆积与装运要求，从而使废浆得到治理。
- Buckets rise on a long chain from the well, and the water is tipped out into irrigation channels. 吊桶随着长长的链条升出井口，所盛的水被倾入灌溉渠内。
- This fabulous event formed but a link in a long chain of marvels. 这件事看来尽管似乎荒诞无稽，但线索极多。
- An idealized model of a string is a single long chain of molecules. 绳子的理想模型是一长串单个分子的系列。
- After a long chain of contacts, they finally found out the truth. 经过多次联系,他们终于查明真相。
- Otherwise, Ethylene Diamine and Epichlorohydrin was grafted onto the polymer in order to improve the hydrophilicity. The product Phe resin with long chain (PS-Ace-EDA-ECH-Phe) was excepted to react with biochemical molecules easily. 此外,通过引入乙二胺、环氧氯丙烷等亲水性手臂链制得手臂链苯丙氨酸树脂(PS-Ace-EDA-ECH-Phe),这些亲水性手臂链的引入有望降低聚苯乙烯树脂的强疏水性,更易于同蛋白等大分子物质发生作用。
- This paper reviews their development since 1980's, involving the cellulose based polymer surfactants containing long chain alkyl hydrophobe, fluorocarbon hydrophobe and amphipathic chain segment. 本文综述了近20年来其主要研究进展，内容涉及含长链烷基、含碳氟基团和含双亲链段3类纤维素类表面活性剂。
- Our vegetables, however, come to us through a long chain of command. 然而,我们的蔬菜是经过一个长长的控制环节才供应到我们手中。
- Polypropylene is the second resin in the family of polyolefin composed of long chain saturated hydrocarbons. 聚丙烯是含有长链饱和烃的聚烯烃系列中第二个树脂。
- Buckets rise on a long chain from the well,and the water is tipped out into irrigation channels. 吊桶随着长长的链条升出井口，所盛的水被倾入灌溉渠内。
- These are chemicals with short molecules which can join together to form the long chain molecules of nylon. 己二胺和己二酸的短分子可以连接起来形成尼龙的长链分子。
- Octacosanol is a kind of long chain fatty alcohols and it is very hard to disperse in water phase. 二十八烷醇是一种高级饱和长链脂肪醇,水分散性差。
- The long chain alkyl methacrylate was synthesized by an im proved melt esterification method. 用改进的熔融酯化法制备了甲基丙烯酸十六酯。
- Synthesis and purification of long chain alkyl acrylate as intermediate of pour point depressant were introduced . 介绍了降凝剂中间体丙烯酸高碳醇酯的合成和产品分离提纯方法。
- Monoglycerides,sugar esters,polyglyceryl fatty esters and long chain fatty wax esters are important biosurfactants. 脂肪酸单甘油酯、脂肪酸糖酯、聚甘油脂肪酸酯和长链脂肪酸蜡酯是重要的生物表面活性剂。
- They had longer chain gaps and needed a chain that was "stiffer" laterally. 他们长链的差距和需要一个链是“严厉的”横向。
- The synthesis of sphingosine and related long chain base have aroused much scientific interest in recent years. 鞘氨醇等的合成在有机合成界形成了一个经久不衰的热潮,应用各种新技术的合成方法不断出现。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
