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词汇 ring formation
释义 ring formation短语¹⁴⁴⁹⁷²⁺²
基本例句
成环
Applications of thionyl chloride in pharmaceutical and pesticide sectors and application developments in organic synthesis reaction and ring formation reaction are introduced.
介绍了无机精细化工产品氯化亚砜在医药、农药等工业领域的应用及其在有机合成反应、成环或闭环反应中的应用开发现状; cnki

Major factors that affected the degree of esterification and1,6- anhydro ring formation were studied to produce the title compound which met the European Pharmacopoeia standard.
研究了影响酯化率与成环率的主要因素,控制合适的酯化、解聚和纯化条件,得到的依诺肝素钠成品符合欧洲药典标准。 chemyq

These formulae derived can be used to the ring formation with multi- points ring formation reactions.
所得公式可适用于多个环合点的热环合反应。 cnki
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