采用控制电子能量产生选择性激发，实现了电离气体变色发光。
Using the selective excitation produced by controlling the electron energy, we have realized variable color luminescence in ionized gases.
在合适的变色发光介质中，通过控制电子能量产生选择性激发能获得电离气体变色发光。
Variable color luminescence in ionized gases can be obtained by controlling the electron energy to produce selective excitation in a suitable variable color luminescence medium.
压力实验结果还表明大量子点的第一激发态发光峰来源于电子的第一激发态到空穴的第一激发态的跃迁。
The pressure experiments suggest that the excited state emissions originate from the optical transitions between the first excited electron states and the first excited hole states.
分别以X-射线衍射（XRD）、扫描电子显微镜（SEM）、光致发光（PL）光谱及X-射线激发的发光（XEL）光谱对样品进行了表征。
The samples were characterized by X-ray diffraction (XRD), Scanning electronic microscope (SEM), photoluminescence (PL) and X-ray excited luminescence (XEL) spectra.
分别以X-射线衍射（XRD）、扫描电子显微镜（SEM）、光致发光（PL）光谱及X-射线激发的发光（XEL）光谱对样品进行了表征。
The samples were characterized by X-ray diffraction (XRD), Scanning electronic microscope (SEM), photoluminescence (PL) and X-ray excited luminescence (XEL) spectra.
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