nonpolar group 非极性基
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。
It is mainly because the polar force in surface tension decreases which results from the increase of CH3 nonpolar group on the surface of silica particles shown from FTIR analysis.
表面润湿性降低， 主要是表面张力中极性力的贡献， FTIR分析表明， 这是由于二氧化硅颗粒表面-CH3非极性基团增加所致；
The mechanism is that neutral oil molecule is physically associated to the nonpolar group of the chelating agent pre-adsorbed on the mineral surface, resulting in an i…
中性油的作用是靠范氏力缔合于预先吸附在矿物表面的螯合剂非极性基上，增加了螯合剂在矿物表面的吸附量和其疏水能力。
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