您要查找的是不是：
- The primary study was conducted on the synthesis and properties of unsaturated polyester containing multi-alicyclic groups in the backbone chain. 对主链含多脂环不饱和聚酯的合成和性能进行了初步研究。
- Chemical and Infrared analysis of purified samples shown that about 10% of total DBM was grafted onto LDPE backbone chain with covalent bond. 产品经二甲苯溶解，丙酮沉淀纯化数次后，由化学分析和红外鉴定表明，在挤出反应中确有40%25以上的DBM单体接枝到聚乙烯链上，接枝率可达到0．3DBM／100E。
- A low Mw polyamide resin is reacted with ethyl acrylate dicarbamate to form a comb-type prepolymer with polyamide as backbone chain and ethyl acrylate dicarbamate as side chain. 低相对分子质量的聚酰胺树脂和丙烯酸乙酯氨基甲酸酯基一异氰酸酯通过加成反应制得以聚酰胺为主链、丙烯酸乙酯二氨基甲酸酯为侧链的梳型预聚物。
- The calculated results indicted that the most significant descriptors affected on T_m are the value of benzene rings in the backbone chain LB, PMA, total molecular energy Et and Q_(O-). 并用FA分析了这些参数与聚酰胺类熔点的关系,研究表明影响T_m最显著的参数是主链中苯环的存在以及苯环的位置LB,也是影响T_m最大的因素,其次是主链上中性基团亚甲基与极性基团酰胺基的比例PMA,分子总能量E_t,酰胺基上氧原子的电荷数Q_(O-)。
- For the polysaccharides with immunity enhancement activity, the activity is affected by the constitutes of backbone chain, molecular size, and other factors which cause comformational changes of the polysaccharides. 对于免疫增强类多糖 ,多糖的主链组成、相对分子质量等对多糖的功效都产生影响 ,这些影响可能是通过改变多糖的高级结构发挥作用 ;
- The inductive effect of withdrawing and releasing group and the rigidity-flexibility of the molecular chain in the structure of molecular backbone chain influence the imidization reaction. 分子主链结构中的拉、推电子基团效应及分子链的刚柔性影响醯亚胺化反应。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- Keywords Carbon free unfired brick;Binder;Ladle lining; 无碳不烧砖;结合剂;钢包衬;
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- Carbon atoms provide the backbone of living matter. 碳原子提供了生命物质的骨架。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- Keywords ladle carbon free brickwork lining process; 盛钢桶;无碳罐衬砖;工艺;
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- Jon sent away for a free almanac. 乔写信去要一份免费赠阅的年历。
- I make a carbon copy of my documents. 我用复写纸复写文件。
- Now that I am free, I can enjoy music for a while. 既然有空，我可以享受一下音乐。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- carbon backbone chain 碳主链
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- I have some carbon paper somewhere or other. 我记得我在什么地方放有复写纸。
