单词substituent
n.: 代替者；【化】取代基
网络: 取代者；代用品；替代物
代替者,取代者;【化学】取代基
代用品
取代的
复数：substituents
The invention discloses a preparation method of a benzofuran ketones compound containing indoles substituent groups.
一种含吲哚类取代基的苯并呋喃酮类化合物的制造方法。
The results showed that the substituent in the phenyl ring was advantageous to the formation and maintenance of the liquid crystal phase.
结果表明：苯（毒死蜱溶剂）环上取代基，有利于液晶“骨架”的形成及维持；
These clusters show different fluxional behaviour and ligands according to various substituent around the metals of osmium.
根据羰基配体取代基的不同，该类簇合物中小分子的移动种类及方式也有所不同。
The effects of the content of silicic ester whose substituent number is different to the stability of polymerization were researched.
考察了不同取代基团数的硅酸丁酯用量对乳液聚合稳定性的影响。
Conclusion The water solubility of the substituent at C-7 position is not main parameter affecting antibacterial activity.
结论7-位取代基的水溶性并非决定喹诺酮抗菌活性的主要因素。
A new zinc porphyrin with an adenine substituent has been synthesized and characterized by 1HNMR and IR spectroscopy and elemental analysis.
合成了一种新型的带有腺嘌呤取代基的锌卟啉并对其进行了表征。
The results showed that chloric substituent in polymer chains prevented the chains from further chlorination .
结果表明，大分子链上的氯取代基对分子链进一步氯化起阻碍作用；
and wherein said heterocyclic ring structure has a least 1 thiol substituent attached to a carbon atom of said heterocyclic ring.
该杂环结构至少有一个与杂环碳原子相连的硫羟取代基。
The substituent effects of ethoxy groups were studied on the chemical composition and properties of plasma polymers.
研究了乙氧取代基对聚合物化学组成和性能的影响。
The substituent of methyl has different electrical effects in organic solvent with various polarities.
甲基在不同极性的溶剂中表现不同的电子效应；