The GC-MS analysis also shows a declination of heavy normal alkane in the degraded oil.
通过气相色谱分析，发现原油中烷烃组分发生变化，正构烷烃碳数分布曲线向轻组份方向移动。
Carbon distribution and content of normal alkane and isoalkane in rubber waxes are measured by using high temperature gas chromatography.
采用高温气相色谱法测定橡胶防护蜡中的正构烷烃和非正构烷烃的碳数及含量。
Carbon distribution and content of normal alkane and isoalkane in rubber waxes are measured by using high temperature gas chromatography.
采用高温气相色谱法测定橡胶防护蜡中的正构烷烃和非正构烷烃的碳数及含量。
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