Molecular formula [化学] 分子式 ; 分子式检索 ; 分子量 ; 结构式
Molecular Formula Index 分子式索引
Standardized Molecular Formula 标准分子式
general molecular formula 分子通式 ; 结构通式
structural molecular formula 结构分子式
calculating molecular formula 计算分子式
a molecular formula 分子式 ; 化学形式
Before we can assign a structural formula to a compound, we must first know its molecular formula.
在确定一个化合物的结构式之前，首先应知道它的分子式。
The calculation of molecular formula of compounds was described by13C NMR (com, DEPT) data in this paper. It is a useful method for unknown compounds.
介绍了用13c NMR (COM, DEPT)数据计算化合物的分子式，该方法有利于未知化合物的分子式计算。
On the basis of production practice, the reaction mechanism of highly efficient aliphatic water reducer was analyzed in-depth, its molecular formula was put forward.
在生产实践的基础上对脂肪族高效减水剂的合成反应机理进行了深入的分析，提出了脂肪族减水剂的分子示意式。
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