harmful impurity meaning in Chinese

混杂于种子内的有害混杂物
有害混杂物

Therefore , either reinforcing the pre - ionization or eliminating the harmful impurity is propitious to increasing the effective excitation of the laser media in the resonator so as to increase the output power
因此增强预电离和消除有害杂质均有利于提高腔内激光介质的有效激发进而提高激光器输出功率。
The present thesis is devoted to improving the excitation of the laser media ( gas mixture ) in the resonator of the high - average - power tea co2 laser by means of reinforcing the pre - ionization and eliminating the harmful impurity
本文正是从提高预电离及清除混合气中的杂质这两个方面研究改善高平均功率teaco _ 2激光器腔内介质(混合气体)的激发性能的。
The nature of new type liquor is soft and clear liquor taste , simultaneously new type liquor has the advantages of transparent in color , high quality , less harmful impurities , high liquor yield , high plasticity , suitable production cost , high labor efficiency and high quality product rate etc
新型白酒酒质柔和、爽净，具有酒体清澈透明、酒质优良、有害杂质极少、出酒率高、可塑性强、生产成本适中、劳动效率高、优质品率高等特点。