The result of this study will provide some technical references for the development and application of the 'paste' tobacco absolute oil or essential oil products.
本研究成果以期为四川特色烟‘糊烟’净油或精油等系列产品的开发提供一定技术参考。
Abstract : A process for extraction of absolute oil from Sichuan 'paste' tobacco was optimized through single factor test and orthogonal test with n-hexane as extraction solvent.
摘要 ： 以四川‘糊烟’为原料，正己烷为提取溶剂，在单因素试验基础上再经正交试验优化‘糊烟’净油提取工艺；
It will be a long time before King Coal and Queen Oil are dethroned completely, but their reigns as absolute monarchs of all they survey are coming slowly to an end.
但是要想让“煤炭国王”和“石油皇后”退位还需要很长时间，但是“他们”的绝对统治地位正日渐势微。
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