essential oil composition 精油成分
bio-oil composition 生物油组成
Corn Oil Composition 玉米油的成分
shale oil composition 页岩油组分
oil-impervious composition 不透油涂料
the composition of peppermint oil 如何查找薄荷油的成分
The oil composition in this area is different with the major oil fields in the placanticline: it has a low content of asphaltenes, carbon number distribution curve shifting toward low carbon,and low average relative molecular quality.
而葡北原油组成与长垣主力油田的原油不同: 葡北原油的胶质沥青质含量较低、碳数分布曲线向低碳偏移, 平均相对分子质量偏低。
参考来源 - 大庆葡萄花油田北部复合驱可行性探讨·2,447,543篇论文数据，部分数据来源于NoteExpress
Understanding bio-oil composition can provide important information for bio-oil upgrading.
了解生物油的组成可以提供生物油提质的重要信息。
Due to the change of oil composition, there are lots of problems about combustion now in oil fired boiler.
由于锅炉燃料的改变，锅炉油喷嘴不能适应新情况，经常出现燃烧方面的故障。
The effect of oil composition on self adsorption shows the capillary force change with the wettability change.
原油组分对自吸的影响表现为润湿性改变而产生的毛管力变化。
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