nonpolar solvent 非极性溶媒 ; 非极性溶剂
Polar solvent and nonpolar solvent 非极性溶剂
polar and nonpolar solvent 极性和非极性溶剂
A series of prar-and meta-substituted benzanilides were synthesized and their fluorescence spectra in nonpolar solvent cyclohexane were investigated.
设计合成一系列具有不同取代基的苯甲酰萘（苯）胺衍生物，测定它们在非极性溶剂环己烷中的荧光发射光谱。
The pour point depressor is soluble in nonpolar solvent and insoluble in the relatively polar solvent.
此降凝剂能溶于非极性溶剂，不溶于极性较强的溶剂。
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。
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