18.The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.
概述了同渡金属催化下通炔基和磺酰胺基反应,形成N-磺酰基取代的杂环化合物。
19.This article discusses the femto-chemistry, because it involves femtosecond laser pulses, and its research or monitor into chemical processes of transition state and intermediate.
讨论由飞秒激光脉冲所构成的飞秒化学,及其对化学反应渡状态或中间体的研究和检测。
20.The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.