用密度泛函B3LYP方法研究了过渡金属钐类卡宾与乙烯的环丙烷化反应的机理。
The cyclopropanation reaction of ethylene with samarium (II) carbenoid was studied by means of the B3LYP hybrid density functional method.
萨宾那博士表示同意这一类比，指出他截止到1994年的数据与卡蒂瓦拉博士同期的估算结果非常接近。
Dr. Sabine said he agreed with the analogy, pointing out that his estimate for uptake up to 1994 was very close to Dr. Khatiwala’s for that period.
杂环卡宾金属络合物对许多反应有催化作用，它们是一类有潜在应用价值的催化剂。
N-heterocyclic carbene metal complexes have catalytic activities for many organic reactions, and they are a type of catalyst with potential value.
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