I assume you are referring to the molecular or structural formulas of these chemical families as opposed to their properties. See my comments below... What you must do is look carefully at the structure that surrounds the functional group . All of these molecules have a carbonyl group - a carbon atom joined to an oxygen atom by a double bond. In an aldehyde, this carbon will be bonded to another carbon (or an alkyl group to be more precise) and also to a hydrogen. In a ketone, the carbon of ... 这两个词都是涤纶，一个书面，一个口语 首先polyester的英文解释： Polyester is a category of polymers that contain the ester functional group in their main chain. 翻译过来就是：聚酯是一种含有的构成成分的主链和酯结合的高分子化合物。 terylene是涤纶。 Functional group tolerance 是什么意思啊？？？谁能帮我下啊？？？ Functional group tolerance ：是有机化工里的一个专用名词意思是：官能团忍受性官能团，是决定有机化合物的化学性质的原子或原子团。 n. [经管] 功能化；起作用的行为或过程 网络释义专业释义 按职责分级 政府公务英语词汇一 ... functional working group 以职责划分的工作小组；专责工作小组 functionalization 按职责厘定职级；按职责分级 functionalization of posts 按特定职能编定职位 ... 按职责厘定职级 政府公务英语词汇一 ... functional working group 以职责划分的工作小组；专责工作小组 functionalization 按职责厘定职级；按 ...
