n. ethidene ; ethylidene
这个事实已由聚乙叉和聚苄叉的快速形成而清楚的证明。
This fact is clearly demonstrated by the ready formation of polyethylidene a nd polybenzylidene from (highly reactive) diazoethane.
研究了在固体超强碱催化下由乙烯降冰片烯异构化制取乙叉降冰片烯的工艺方法和条件。
The preparation method and technological conditions of ethylidennorbornene with the method of isomerization of vinylnorbornene are studied with the catalyst of solid super alkali.
儿童低危型霍奇金氏病不必使用烷化剂、博莱霉素、鬼臼乙叉甙或大剂量扩野放疗等也可治愈。
Pediatric patients with low-risk Hodgkin's disease can be cured with therapy without an alkylating agent, bleomycin, etoposide, or high-dose, extended-field radiotherapy.
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