On thebasis of describing mineralogy characteristics such as combination electron minro - form , crystallinity of clay minerals , the relationship between coal series clay minerals in themesozoic era in ningxia area and coal metamorphism was analyzed 在概述粘土矿物组合、电子显微形态和结晶度等矿物学特征的基础上,探讨了宁夏地区中生代煤系粘土矿物与煤变质的关系。
X - ray diffraction ( xrd ) , reflection spectroscopy and photoluminescence spectroscopy were employed to study the optical properties of zno films and mgxzn1 - xo alloy films . the relationship between the optical properties and the crystallinity was discussed 并采用x射线衍射谱、反射谱和光致发光谱、低温光致发光谱等测量手段对样品的结构和光学特性进行了表征。
Molecular weight , crystallinity and water absorption of cs before and after process were studied . it was found that the reduction of cs molecular weight was limited . the crystallinity decreased and water absorption of cs rod was still large 对壳聚糖棒材分子量、结晶度、吸水性进行了研究,发现在成型过程中壳聚糖分子量下降很少,结晶度降低,而棒材吸水性仍较强。
Raman spectroscopic studies show that the intensities of the d with respect to g band and the widths ( fwhms ) of raman bands can represent the change of the cnx nanotube ' s crystallinity with the nitrogen incorporation 对cn _ x纳米管样品的拉曼光谱研究结果显示,拉曼光谱中d带和g带的相对强度、拉曼峰半高宽等信息可以反映由于氮原子掺杂所引起的纳米管结晶有序程度的变化。