大气气溶胶是分散于大气中的液体和固体颗粒，是一个复杂的非均匀体系。
Atmospheric aerosols are liquid and solid participates dispersed in the atmosphere and a complicated heterogeneous system.
该制备方法具有一定的普适性，而且简单实用； 涉及的反应条件相对温和，获得的产物具有双亲性质，能均匀分散于大部分极性和非极性溶剂中。
This simple and general process is environment-friendly, and the products obtained are amphiphilic and dispersible well in most of the polar and nonpolar solvents.
本文用变分方法计算了环形电场与非均匀磁场重叠场的二级离子轨迹，以能量分散形式加以表述。
The second order ion trajectories in crossed toroidal electric and inhomogeneous magnetic fields are derived by means of the Fermat's principle and expressed in energy deviation.
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