射线衍射和电镜扫描分析表明碳酸稀土产品属晶型结构，为长方体和纺锤形状结晶。
The X ray diffraction and scanning electron microscope analyses show that the product possesses crystal structure, and the crystallized grain is rectangular and fusiform.
利用广角X射线衍射分析仪对低熔点金属及合金填充聚合物材料体系的结晶行为进行了研究。
The crystallization property of polymer matrix filled with low melting metals and alloy was studied by wide-angle X-ray diffraction.
粘土矿物X射线衍射定量分析中常遇到的结晶度差异大，择优取向不易消除等困难，目前尚无完善的解决办法。
Generally it is very difficult to tackle the problems aroused from differences in crystallinity of clay minerals and preferred orientation in quantitative X-ray diffraction analysis of clay minerals.
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