The chemical constituents of the essential oil from the traditional Tibetan medicine of Incarvillea younghusbandii were analyzed by GC-MS.More than 70 peaks were separated and 39 compounds were identified which accoun...The chemical constituents of the essential oil from the traditional Tibetan medicine of Incarvillea younghusbandii were analyzed by GC-MS.More than 70 peaks were separated and 39 compounds were identified which accounted for 66.2% of the total essential oil from the whole plants of I.younghusbandii.展开更多
Gasoline and its residues were examined by GC-MS technology.The method can be used to distinguish gasoline and its residues under the nature,combustion and volatility conditions,respectivesy.It can be provide useful i...Gasoline and its residues were examined by GC-MS technology.The method can be used to distinguish gasoline and its residues under the nature,combustion and volatility conditions,respectivesy.It can be provide useful information in criminal cases.展开更多
文摘The chemical constituents of the essential oil from the traditional Tibetan medicine of Incarvillea younghusbandii were analyzed by GC-MS.More than 70 peaks were separated and 39 compounds were identified which accounted for 66.2% of the total essential oil from the whole plants of I.younghusbandii.
文摘Gasoline and its residues were examined by GC-MS technology.The method can be used to distinguish gasoline and its residues under the nature,combustion and volatility conditions,respectivesy.It can be provide useful information in criminal cases.