The possibility of the stimulated radiation at the low atomic density is demonstrated, and the possibility of impurity examination by means of stimulated radiation signals is estimated.
证实了在低原子浓度下探测受激辐射的可能性，并估计了用受激辐射信号检测杂质的可能性。
2
Si and impurity elements of Fe and Cu in aluminum-silicon bonding wires were determined by inductively coupled plasma atomic emission spectrometry.
该方法应用于快速测定键合硅铝丝中的各种元素，结果满意。
3
It was found that the deepness of impurity energy level is related to the atomic Numbers of doped elements by the analysis of their electronic structures.