vpo 中文意思是什麼
vpo
解釋
氣相滲透計-
Side chain polyurethanes with azo group are characterized and confirmed by ftir, uv - vis, dsc, vpo, z - scan, polarize microscope. the results show that the end - group and the flexibility of main chain affects the growing up of liquid crystalline phase greatly. because the determinable way of detection is defective, it was not founded the liquid crystalline behavior obviously contributes to the non1inear optical thection
最後，在分析討論實驗結果的基礎上，指出側鏈型聚氨酯液晶中側鏈介晶基元的末端基團及主鏈的柔性對其液晶態的形成有重要影響；由於檢測手段的不齊備，未能觀察到熔致型聚氨酯液晶的液晶行為對其非線性光學效應的貢獻作用。 -
Vapor pressure osmometry, vpo
蒸氣壓滲透法 -
3. a kind of novel pu with nonlinear optical conjugated group was synthesized by poiymerization. these polymers were characterized using ft - ir, uv, 1h - nmr and vpo
採用縮聚的方法合成了一系列含非線性長側鏈的聚氨酯，並通過~ 1h - nmr 、 ft - ir 、 uv和vpo等方法對聚合物的結構進行了表徵。
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