【简答题】Dear Sirs, We confirm email exchanged between us regarding digital color TV sets and electronic calculators and are glad that we have come to an agreement on the price. Your last email informed us tha...

【多选题】什么是液晶?物质有三态

【简答题】液晶只存在于一定的温度范围以内．温度低于这个温度范嗣的下限，液晶会失去液体的流动性成为＿＿；温度高于这个温度范围的上限，液体变为各向同性的＿＿．

【简答题】液晶是白色浑浊的黏性 ,其分子形状为棒状。

【多选题】下列属于脂类-水体系的液晶结构有（）

【单选题】对液晶施加电场,使液晶的排列方向发生变化,因为排列方向的改变, ,将在液晶中发生双折射现象。( )

【单选题】12864液晶指()

【简答题】液晶分子的扭曲角:TN的扭曲角为 ,HTN的扭曲角为 ,STN的扭曲角为 。

【简答题】简述高分子液晶的流变学特性。

【简答题】Dear Sirs, We confirm email exchanged between us regarding digital color TV sets and electronic calculators and are glad that we have come to an agreement on the price. Your last email informed us tha...