mercury oxide

基本解释

Mercury-oxide and silver-oxide button batteries are often collected by jewelers, pharmacies, and hearing-aid stores who sell them to companies that reclaim the metals.
汞氧化物和氧化银纽扣电池往往是由珠宝商，药房，助听器商店出售给金属回收公司收集。
Further, after January 1, 2015, no person may sell or offer to sell or distribute for promotional purposes a silver oxide mercury-added button cell battery or a product that contains it.
另外，2015年1月1日后，任何人不得销售、供货，或以推广为目的提供含汞的氧化银钮扣电池，或带有此类电池的产品。
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The alkaline sludge, a by-product of bauxite production, contains high concentrations of heavy metals, including arsenic, cadmium and mercury, but its colour comes from harmless iron oxide (rust).
这种碱性污泥，作为氧化铝产品的副产物，含有高浓度的重金属，包括砷、镉和汞，但是它的颜色却源于无毒的氧化铁（铁锈）。

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