The Alkene Double Bond: a Focus of Reactivity.
烯烃的双键：重点是反应活性。
"One - pot" carbon - carbon double bond formation.
“一锅”法的碳-碳双键形成反应。
Compared with diolefine rubber, EPDM has less double bond.
与二烯烃橡胶相比，EPDM的双键很少。
So it's very important that the double bond locks it in a particular conformation.
所以双键把它们锁定在某一特定形状，是十分重要的。
So it's very important that the double bond locks it in a particular conformation.
所以双键把它们锁定在某一特定形状，是十分重要的。
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