The surface defects of silver COINS was analysed with auger electron spectroscopy (AES), Scanning electronic microscope (SEM) and energy dispersive spectrum (EDS).
采用扫描电镜、能量色散谱和俄歇电子能谱检测方法，对银币表面缺陷进行了分析。
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Electronic warfare (EW) refers to any action involving the use of the electromagnetic spectrum or directed energy to control the spectrum, attack an enemy, or impede enemy assaults via the spectrum.
The causes of the front fog lamp shield blistering after surface treatment are studied by means of metalloscopy scanning electronic microscope and energyspectrum analysis.