The paper reports the measurement of 78 high-lying levels in samarium atoms by two-colour three-photon resonant ionization.
本文报道用双色三光子共振电离法测量钐原子高激发态78个新能级。
2
The sensitivity for the measurement of chloropicrin by the modes of positive ion and negative chemical ionization was compared.
并比较了正离子化学电离方式和负离子化学电离方式测定氯化苦的灵敏度。
3
A kind of field ionization gas sensor was designed and fabricated, the corresponding test equipment for current and voltage measurement was established.