硬脂的

Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.

研究了以乙二和硬氯为原料制备乙撑双硬反应,讨论了原料配比、反应时间、反应温度响。

This is the saturation that contains because of chocolate place many tristearin acid and palmitin acid are contained in fatty acid.

这是因为巧克力所含饱和肪酸中含有硬酸和软酸。