[objectives]Gallic acid(GA)is generally distributed in a variety of plants and foods,and possesses cell growth-inhibitin......

用毛细管气相色谱—质谱联用的方法从花椒挥发油中鉴定出22个组分.占总色谱峰面积的72.83%;经冷冻分离和重结晶纯化,得一无色针状......

内江二水厂以沱江水为水源，本文通过对该水厂出厂水的液－液萃取，用色－质联机定性检测出９７种国发性有机物。结果表明：沱江水质的有机污染仍......