This article analyzes the potential of SINOPEC Luoyang Company′s refining unit for raising energy efficiency and proposes optimization measures for the use of electricity, steam and fuel gas.

对洛阳石化炼油装置节能潜力进行了分析，并针对电、蒸汽和燃料气三项节能重点制定了优化措施。

youdao

The volatile oil of Herba S. doederleinii was extracted by steam distillation and analyzed by gas chromatographymass spectrometry (GC-MS). About 40 kinds of aetherolea compounds were identified.

用水蒸气蒸馏法提取了深绿卷柏的挥发油成分，并用GC-MS对挥发油成分进行分析，共分离鉴定出40种挥发性成分的结构。

youdao

"Economics dictates that 95% of current U.S. hydrogen is produced by steam-methane re-forming of non-renewable natural gas, " Michael K. Heiman, professor of environmental studies at Dickinson College, wrote in a study of the proposed hydrogen economy last year.

FORBES: Magazine Article