样品溶液中的苍术酮经充氮气后保持稳定。
The Atractylone in sample solution was kept stable in nitrogen.
然而充氮气的气球定期的发动它的动力装置升高到平流层。
Although helium-filled weather balloons regularly launch instruments high into the stratosphere.
定期排放尾气和向尾气中充氮气可防止管线自燃的发生。
Periodic release of the tail gas to the pipeline or injection of ammonia the tail gas could prevent the auto-ignition in the pipeline.
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