A method to recover crude - volatilizing gas in oil fields is put forward.
從分析油田原油揮發(fā)氣回收工程的特點入手,提出了一種基于噴射技術(shù)的回收方法.
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NH 3 volatilizing and NO 3 - N leaching are the major ways of N loss in vegetable fields.
NH3揮發(fā)和NO3 -N 淋溶是菜田N素?fù)p失的主要途徑.
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