Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.
Hehehe, then today we're starting the explanation of the upper part, then divided into upper and lower levels, and finally, we'll also insert a decompression class, a decompression class training method.
采用甲亚胺-H酸分光光度法分析腐植酸
肥料中元素硼
方法。
氧基哒嗪
物,研究
我们就开始讲解上半部
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