The laser facula area has some effects on the ionyield of multi photon ionization process.
研究了在激光脉冲能量和激光脉冲宽度一定时激光光斑面积对多光子电离离子产量的影响。
2
Oxide ionyield of the rare earth elements (REE) decreased with the increasing of RF power and the sampling depth, or with the decreasing of carrier gas flow rate.
稀土元素的氧化物离子产率随入射功率和采样深度增加，载气流速减小而降低。
3
In addition, the reactant ionyield can be effectively increased by choosing a proper temperature in drift tube, and improves the sensitivity and selectivity of system.