Conclusion: Off-line coupling TLC ESI-MS can simply and rapidly provide qualitativeexamination of saccharide spots in TLC chromatogram of Traditional Chinese Medicine.
结论：TLC ESI - MS离线联用方法能快速简便地对中药TLC图谱中糖类斑点进行定性。
2
Qualitative market research is an examination of people's attitudes and opinions and how these influence what they buy, where they buy and how much they spend.
This is followed by an examination of how an ethnographic and qualitative approach can be used to provide a deeper insight into how those vulnerabilities are constructed.