利用现有方法制备铝纳米粉时易引入杂质，周期较长，产物尺寸分布均匀性较差。
When the existing method is adopted for preparing aluminum nanometer powder, impurity can be introduced easily, the period is long, and the uniformity of size distribution of the product is bad.
采用X -射线衍射、差热分析、微量热计及压汞测孔仪对公路粉煤灰水泥的水化产物、水化放热曲线、孔尺寸分布进行了研究。
The hydrated products and pore size distribution of high road fly ash cements were studied by means of XRD, DTA, Mercury porosimeter, etc.
详细研究了三乙胺的用量、表面活性剂、反应温度和时间对产物形貌及尺寸的影响。
The influences of triethylamine amount, surfactant, reaction temperature and time on the size and shape of lanthanum hydroxide nanorods were investigated in detail.
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