...) 10 L m in, 250 ℃ 碰撞电压(Fragmentor voltage) 90 V 鞘气压力(Nebulizer p ressure) 69 kPa 质量扫描范围(Mass scan range) 500～2 500 D 2 结果与讨论 在电喷雾质谱中, pH 值对被分析物质是否 能带电荷从而被电离有相当重要的作用, 测定时 溶液应控制在...
Results There are twokindsof factors which affects the DSCT imagequality. One is related to scanning, including scanning parameter, swath range, use of contrast medium, etc.