ether bond cracking 醚键断裂
vinyl ether bond 烯醚键
ether bond content 醚键含量
four-and six-directional ether-bond branched compounds 四方向及六方向醚键型分枝状化合物
Poly (ether imide) (PEI) is a modification kind of high performance polymer, which adds a ether bond to macromolecular chain of polyimide (PI).
聚醚酰亚胺(PEI)是在聚酰亚胺(PI)链上引入醚键形成的一类高聚物。
Poly (ether imide) (PEI) is a modification kind of high performance polymer, which adds a ether bond to macromolecular chain of polyimide (PI).
聚醚酰亚胺(PEI)是在聚酰亚胺链上引入醚键而形成的一类高聚物。
In accordance with the conditions provided by literature, the yield of the experiment done by us was only 31-33%. It's probably because of the difficulty of cleavage of ether bond.
根据文献所提供的条件进行了实验，所得收率仅31-33％，分析原因为醚键断裂比较困难。
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