The effect of pyrolytic temperature on the microstructure changes, mass loss and H/C ratio of polyarylacetylene was studied by thermal gravity analysis, element analysis and X ray diffraction.
根据热失重曲线、元素分析和X射线衍射分析了芳基乙炔聚合物炭化过程中的结构变化。
Fracture mechanism of austenitic stainless steels used in H_2S-H-2O system has been investigated by means of X-ray analysis, scanning electron microscopy and transmission electron microscopy.
用x -射线结构分析、扫描电镜和透射电镜等方法，研究了在H_2S—H_2O系统中使用的奥氏体不锈钢的破裂机理。
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