主题:【分享】The Most toxic heavy metals in ambient air(Dec 26th)

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In national regulation, there are 5 toxic heavy metals in ambient air.
They are mercury,  lead,cadmium, chromium and arsenic.
In 12th 5-year-plan of  environment , these 5 heavy metals are ordered to be detected. We need a long time to decrease heavy metal pollution.
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潮濕的木頭
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原文由 jjwws(jjwws) 发表:
In national regulation, there are 5 toxic heavy metals in ambient air.
They are mercury,  lead,cadmium, chromium and arsenic.
In 12th 5-year-plan of  environment , these 5 heavy metals are ordered to be detected. We need a long time to decrease heavy metal pollution.
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2011/12/26 13:57:17 Last edit by flying-free
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原文由 潮濕的木頭(flying-free) 发表:
原文由 jjwws(jjwws) 发表:
In national regulation, there are 5 toxic heavy metals in ambient air.
They are mercury,  lead,cadmium, chromium and arsenic.
In 12th 5-year-plan of  environment , these 5 heavy metals are ordered to be detected. We need a long time to decrease heavy metal pollution.


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