metal contamination level 金属污染等级
anti-metal contamination 抗重金属污染
heavy metal contamination 重金属污染
multi-metal contamination 多金属污染
soil heavy metal contamination 土壤重金属污染
metal contamination on catalyst 催化剂金属中毒
heavy metal contamination-resistant 抗重金属污染
heavy metal contamination in soil 土壤重金属污染治理
Also, it can reduce the possibility of metal contamination in ion implantation process, improve the yield.
减少的金属污染在离子注入设备区域发生的机率,提高了生产的品质。 在金属污染的监测方面,改进并实行TXRF日常使用与SIMS重点使用的综合方法。
参考来源 - 离子注入中金属污染的防治措施·2,447,543篇论文数据，部分数据来源于NoteExpress
Heavy metal contamination is extremely harmful in soil contamination. It is one of the research priorities in the world to control and remedy heavy metal contamination.
重金属污染是土壤污染中危害极大的一类，重金属污染的防治及其修复是目前国际上研究的热点之一。
The heavy metal contamination of urban soil in China is caused by industrial pollutant discharge, metal mining and smelting, family coal combustion, rubbish exudation and vehicle emission.
中国城市土壤重金属污染的主要来源是工业“三废”排放，金属采矿和冶炼，家庭燃煤，生活垃圾，汽车尾气排放。
The impurity of iron is one major heavy-metal contamination on the silicon wafer. Surface photo-voltage method(SPV) can be used to accurately measure the iron contamination within the silicon wafer.
铁杂质是硅片制造过程中常见的重金属沾污，表面光电压（SPV）法可很好地用于测定P型硅中铁杂质。
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