结果表明:钛酸酯类>硅烷类>硬脂酸类.Result organic titanate silane octadecanoic acid.采用内标法建立了原油中正构烷烃、生物标志物(甾 、 萜烷类)的分析方法.A method for analysis n - alkanes, steranes and terpanes in oil by internal standard method was established.目的:从中国红豆...

“烷类”的英语可以翻译为：alkanes ...

“黄烷类”的英语可以翻译为：flavanoid ...