Only 10-20% DNA was adsorbed by electrostatic forces on soil colloids and minerals.

DNA在红壤胶体和矿物表面通过静电力作用吸附的比例较低，仅为10—20%。

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A null-balance system is provided by balancing the magnetic forces by electrostatic forces.

零位平衡系统是靠静电力来平衡磁力而造成的。

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The magnetic microspheres on the adsorption of methyl orange were mainly controlled by electrostatic forces.

磁性微球对甲基橙的吸附主要是靠静电引力。

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So, the Coulombic forces, Coulombic or electrostatic forces draw.

库仑力，库仑或者静电力被提到了。

麻省理工公开课 - 固态化学导论课程节选