浇注温度提高，枝晶臂的长大速度增大，上述物理冶金作用能够部分细化球化奥氏体，但其圆整度较差，尺寸较大。
With the increasing of casting temperature, the dendrites grew fast, which could spheroidize and fine partial austenite with worse circularity and bigger size.
酸解淀粉经均相脱支和结晶化可以形成较好的微晶，且酸解时间越长结晶度越高。
The better crystallite can be obtained by homogeneously debranching and crystallizing the acid-hydrolyzed starch. Besides the crystallinity increases as the hydrolysis time lasts.
介绍了焦炭微晶结构与其宏观性质的关联，煤化度及热解过程对微晶结构的影响等，并说明了研究焦炭结构的意义及其发展前景。
This paper introduced the relationship of microcrystal structure of coke and its macroscopical properties, and the effects of coal rank and pyrogenation process on microcrystal structure etc.
介绍了焦炭微晶结构与其宏观性质的关联，煤化度及热解过程对微晶结构的影响等，并说明了研究焦炭结构的意义及其发展前景。
This paper introduced the relationship of microcrystal structure of coke and its macroscopical properties, and the effects of coal rank and pyrogenation process on microcrystal structure etc.
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