In analyzing the Doppler broadening spectra of positronannihilation radiation measured by using an improved two-HP Gedetectors coincidence system, the 3d electron signal for the elements ofthe fourth period can be extracted.
分析第四周期金属元素的多普勒展宽谱，从中提取3d电子的信息。
参考来源 - 微量元素对Ni·2,447,543篇论文数据，部分数据来源于NoteExpress
The results show the relationship between 2-D Doppler broadening spectra and electronic structure of these elements.
这些结果展示了一些金属单质材料的双多普勒展宽谱随着电子结构变化而发生的变化。
A tunable diode laser was used to probe the gain spectra and profile of a supersonic COIL. The cavity temperature was obtained based on Doppler broadening.
利用可调谐二极管激光器做探测光源，测量了超音速氧碘化学激光的增益谱线和增益线型。根据多普勒展宽，间接得到了超音速氧碘激光器的腔内温度。
Optical absorption spectra and positron annihilation radiation Doppler broadening were measured at room temperature.
在室温条件下测量了吸收光谱与正电子湮没辐射多普勒展宽谱。
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