Determination of polychlorinated biphenyls in air around the waste steel recycling plant by headspace solid phase microextraction-gas chromatography mass spectrometry;

建立了顶空固相微萃取气相色谱法测定萝卜中有机氯农药及类似物的分析方法。

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New process of fabricated steel keel has the characteristics of factory batch production, high steel recycling, big improvement of the working environment, more specification in construction, etc.

新工艺的装配式钢龙骨具有工厂化批量生产、钢材重复利用率高、作业环境得到改善、施工更加规范等优点。

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Opposite her desk are recycling bins for burnable trash, plastic, glass and metal (subdivided into aluminum and steel).

咨询台对面是可燃垃圾，塑料，玻璃以及金属(细分为铝和钢)的回收箱。

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The dismantled planes would be transported to a steel company in the north-western Kebbi state for recycling into other industrial products, Mr Omeogu said, Punch reports.

BBC: Nigeria 'plane graveyard' cleared

While the stock price has doubled over the past year (it will split 2-for-1 in late May), Longbow Research's David S. MacGregor likes that the company is active in the growing South and that it operates both a recycling business and a global distribution operation that can offset downturns in domestic steel demand.

FORBES: Solid Foundation