UPLC-ESI-QqQ-MS是什么意思啊,求大神帮个忙啊?正离子模式,质谱有正离子模式也有负离子模式,+就是正离子模式扫描得到的质谱图... method limits of detection/quantification (mlods/mloqs, table 2) were defined as three/ten times the standard deviation of the determined concentrations at lowest spiking (0.4 ng/ml urine) experiments, respectively能帮帮我翻译一下这个吗,查看更多