A large number of levels of atomic uranium near the ionization limit have been studied using three-step resonant ionization method with three pulsed tunable dye lasers.
用三台可调谐脉冲染料激光器三步共振电离方法，测量了铀原子在电离限附近的能级。
As to GC with a workstation, this paper introduced a new method used to evaluate the uncertainty of calibration for detection limit by flame ionization detector.
本文针对带工作站的GC介绍了气相色谱仪氢火焰离子化检测器检测限校准的不确定度评定新方法。
Beyond the upper limit of the linear region of an ionization gauge, there is a falloff in the ion current with the increase of the measured pressure.
在电离真空规的线性测量上限部分，离子流随着压强上升而衰降。
Beyond the upper limit of the linear region of an ionization gauge, there is a falloff in the ion current with the increase of the measured pressure.
在电离真空规的线性测量上限部分，离子流随着压强上升而衰降。
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