Testing of petroleum products - determination of the content of asphaltenes - precipitation with heptane 石油产品的试验.沥青烯含量测定.庚烷沉淀
2.
Methods of test for petroleum and its products - determination of asphaltenes heptane insolubles in crude petroleum and petroleum products 石油及其产品的试验方法.原油和石油产品中沥青烯
3.
It is shown that the pyrolysis temperature has a great effect on the yield and the properties of the bio - oi1 实验结果表明,热解温度对生物油的产率和性质影响很大,生物油及沥青烯的产率在600 ~ 700达到最大值。
4.
Methods of test for petroleum and its products - determination of polycyclic aromatics in unused lubricating base oils and asphaltene free petroleum fractions - dimethyl sulphoxide extraction refractive index method 石油和石油产品试验方法.第102部分:未用的润滑基油和不含沥青烯的石油馏分物中多环芳香族环烃的测定.二甲硫析取物折射指数法