结果，圆形样品测试中，两个壶型核部分没有完全压紧，出现了不必要的空气缺口。
It turns out that, in the prototype samples we tested, the two pot-core halves were not completely pressed together, thus creating an unwanted air gap.
将样品放置在一个空气干燥的圆形样品储存器内，得到X -射线衍射图。
The X-ray diffraction pattern are obtained by placing the sample in a circular sample holder in a dry atmosphere.
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