In flat ballas the D-band is smaller and the graphite peak larger than in coarse ballas.
在扁平的半刚石中，D带较小，而石墨峰比粗大的半刚石中的要大。
The Raman spectra either did not show the diamond 1332 cm-1 peak or the peak was very weak, while the D-band and the graphite peak appeared clearly.
拉曼光谱要么不显示金刚石1332cm - 1峰，要么显示的峰很弱。但D带和石墨峰值却清晰可见。
The Raman spectra either did not show the diamond 1332 cm-1 peak or the peak was very weak, while the D-band and the graphite peak appeared clearly.
拉曼光谱要么不显示金刚石1332cm - 1峰，要么显示的峰很弱。但D带和石墨峰值却清晰可见。
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