这些衍生物的熔点温度很容易确定，而且对每一种(苯脎)衍生物是特征性的。
The melting temperatures of these derivatives are easily determined and are characteristic for each osazone.
了解二茂铁及其衍生物的结构，图谱特征及性质等。
Understanding the structures of ferrocene and its derivatives, their properties and spectroscopic characteristics.
本部分对衍生金融工具的定义、特征、分类以及风险进行介绍。
This part presents the definitions, characteristics, classification and the risks about derivative financial instruments.
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