清除杂质 meaning in Chinese

eliminating impurity

The goal is to gently remove impurities without harming the collagen
这部的目的是小心的清除杂质而不破坏胶原。
In addition , from the angle of removing the negative gain media in the cycling gas and the excitation - counteracting media , we put forward the eliminating the impurity by using of the non - uniform stationary electrical field and the swirling electrical field so as to improve the effective excitation of the laser media
本文还从清除循环气体中负增益介质以及消激发介质的角度来改善激光介质的有效激发，提出了使用非均匀静电场和涡旋电场清除杂质的方案。理论分析与部分实验验证表明，这两种方案都能有效地清除混合气中的杂质。