仔细观察一下(芯片)包,你会发现它们实际上就是由一层层塑料膜构成的,有的上面涂上了颜色,有的上面镀上金属,防止材料被腐蚀。
If you look at a (chip) packet, what you've got is a plastic film, a few layers of inks and a printed metal layer to keep the materials fresh.
利用高温高压釜设备辅以失重法、采用扫描电子显微镜(SEM)和X射线衍射(XRD)技术,研究了在动静两种状态下CO2分压对P110钢腐蚀产物膜的影响。
Influence of CO2 partial pressure on corrosion scale of P110 steel in stimulated oil field environments was investigated by using scanning electron microscopy(SEM) and x-ray diffraction(XRD).
发现涂膜下铝合金发生丝状腐蚀。
The filiform corrosion phenomenon of coated aluminum was found.
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