在银表面粗糙程度和单壁碳纳米管厚度适中的区域得到了高质量的单壁碳纳米管sers谱。
High quality SERS was obtained from the area where the roughness of the silver and the thickness of the single walled carbon nanotubes were well su...
我们的假设是大概1% ~ 2%的人头部无法形成覆盖上半规管的正常厚度骨头。
Our hypothesis is that about 1 or 2 percent of the population fails to develop a normal thickness of bone overlying the superior canal.
如果你有正常厚度——大概0.6 ~ 0.7毫米——的骨头覆盖上半规管，那就很难发生病变了。
If you have a normal thickness of bone, which is about 0.6 or 0.7 millimeter covering the superior canal, that's very unlikely to ever erode.
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