They found a way to stiffen the C4 chains by propping them up with extra hydrocarbon groups.
They found a way to stiffen the C4 chains by propping them up with extra hydrocarbon groups.
他们的方法是加进额外的碳氢基，强化C4碳链的结构，使之不易断裂。
They found a way to stiffen the C4 chains by propping them up with extra hydrocarbon groups.
他们的方法是加进额外的碳氢基，强化C4碳链的结构，使之不易断裂。