采用红外光谱法等分析测试手段对呋喃树脂在硬化反应前后的结构变化进行了系统研究。
The structure changing before and after hardening reaction of furan resin was systematically investigated using infrared spectroscopy.
在海藻酸钙胶囊干燥过程中，用常规分析方法确定干燥机理和硬化反应关键点等比较困难。
It is very difficult to detect the drying mechanism, and determine the critical point of stiffening reaction by normal analysis methods.
我让已被重铬酸钾硬化的一些脑组织细胞与硝酸银反应。
I let the silver nitrate react with pieces of brain hardened in potassium dichromate.
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