the results showed that the volatile constituents of rhododendron athopogoides maxim, mainly includes aliphatic acid and ester, aldehyde, ketone, aromatic and its heterocyclic compounds.
结果表明:烈香杜鹃精油化学成分以高级脂肪酸酯、酮、芳香族化合物及芳香杂环化合物为主。
the total abundances of aliphatic acid of 291 soil samples collected from an experimental area of prospecting region in south to huanghe of the zhongyuan oilfield have been titrated.
本文对采自中原油田黄河南探区(马厂—三春集)试验区的291个土壤样品的脂肪酸总丰度进行了定量分析。
the effect of composition of aliphatic acid part is studied with soybean oil, sesame oil and peanut oil as feeds.
以大豆油、芝麻油和花生油为原料,考察了植物油的脂肪酸组成对蒸汽裂解反应结果的影响。
it also analysed the principles, the route and technology of synthesis methods, and clarified the new preparation process of two typical aliphatic acid derivative.