It was found that the surface free energy increase slightly after processing, while the polar component tended to decrease.
研究发现，经过处理后蚕丝的表面能有了相应提高，表面能中的极性分量却有一定的下降。
The relationship between total polar component in oil and its dielectric constant was analyzed. the deterioration of oil with heated time and heated temperature was studied.
分析了油中的极化成分总含量与油的介电常数的关系，结果表明：提高油温、延长加热时间或长期存放都会使油的介电常数增加，从而导致油质量的恶化。
This article analyzes the status change in the attitude control system when faults appear based on one polar orbit satellite, and provides a method to decide faulty component.
以某极轨对地观测卫星为背景，分析了姿态控制系统中单机部件出现故障时，系统将会出现的状态变化情况，找出故障部件的判定方法；
Cholesterol is another lipid component of most cell membranes. It has a hydroxyl group, a tiny polar head group so to speak attached to a rigid hydrophobic tail.
胆固醇也是大多数细胞膜脂质的组成成分，它有一个羟基基团，即一个微小的极性头部连接到一个刚性的疏水性的尾端。
Cholesterol is another lipid component of most cell membranes. It has a hydroxyl group, a tiny polar head group so to speak attached to a rigid hydrophobic tail.
胆固醇也是大多数细胞膜脂质的组成成分，它有一个羟基基团，即一个微小的极性头部连接到一个刚性的疏水性的尾端。
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