ray ratio的意思|示意

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。

In addition, the criterion of life can also be a ratio what all straight line, can be a up ray, more can be a downward radiation.

另外，生活的准则也可以是一条比什么都直的直线，可以是一条向上的射线，更可以是一条向下的射线。

Phase ratio, particle size and thermal analytical character of the powder have been studied by DTA, particle size analyzer and X-ray diffraction.

应用DTA热分析仪、颗粒度分析仪和X光衍射仪研究分析了粉末的热分解特性、颗粒大小和分布以及相组成。