1.The eluent is changed in a regular manner starting with a nonpolar solvent and gradually replacing it by a more polar one.
洗脱液以常规的顺序更换，首先用非极性溶剂，然后逐步被极性较强的所替换。
2.The anion consists of a hydrocarbon nonpolar radical and a connected polar group.
阴离子由碳氢非极性基和与之相连的极性基构成。
3.It was found that polar solvent may actively participate the blocking reaction while nonpolar one only played a dispersion role.
结果表明：极性溶剂参与了反应而非极性溶剂只起分散作用。
4.he absorption peaks of ferrocene and acetyl ferrocene in polar and nonpolar solution change when concentration and temperature change.
作者对二茂铁、乙酰二茂铁在极性和非极性溶剂中吸收峰随浓度及温度的变化进行了研究。
5.A nonpolar covalent bond happens when both atoms have the same strength of electric attraction for the shared electrons.
当两个原子对共享电子的引力相同时形成非极性共价键。
6.Substance is classified into heteropolar substance and nonpolar substance.
分为有极质和无极质。
7.The nonpolar, weak polarity and medium polar capillary vessel chromatographic column.
非极性、弱极性和中等极性毛细管色谱柱；
8.Acidic, basic, polar, and nonpolar residues, and special properties of specific amino acids.
其酸性、碱性、极性与非极性分子基，以及特定氨基酸的特殊性质。
9.All five valences are the ordinary, nonpolar ones.
所有5个价键都是普通的非极性键。
10.Please group amino acids according to the nature of their side chains: hydrophobic, hydrophilic, polar and nonpolar.
请依据氨基酸支链的性质来分类：疏水性、亲水性、极性与非极性。