研究表明，溶质的亲油性可以作为选择萃取溶剂的依据。
The results show that the hydrophobicity of solutes can be a standard for selecting suitable solvents.
在单因素试验的基础上，选择萃取投料量、萃取温度、萃取压力、萃取时间四个因素，进行L9(34)正交试验设计，评估了这些因素对葛根素提取率的影响。
Based on single factor experiments, sample amount, extraction temperature, extraction pressure and time were selected for L9 (34) orthogonal tests using the extraction yield of puerarin as index.
通过对固相微萃取的纤维头、萃取时间和解吸时间的选择来优化其实验条件。
The solid-phase microextraction conditions were further optimized by carefully selection of the fibers, the extraction time and the desorption time.
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