本文介绍了应用X射线衍射仪测定矿山呼吸性粉尘中游离二氧化硅含量的基本原理、实验条件以及操作过程、方法步骤等。
Basic principle, experiment condition, operating process, method and steps of X-ray diffraction method to determine free silica content of respirable dust in mines are introduced in this paper.
介绍一种测定硅酸铝系列填料中吸湿水、结合水、二氧化硅、三氧化二铝、三氧化二铁及二氧化钛等成分的系统分析方法。
A systematically analytical method to determine the content of absorbed water, bounded water, SiO2, Al2O3, Fe2O3 and TiO2 in the aluminum silicate fillers was introduced.
定量测定了21种苏里南商用木材的灰分及二氧化硅含量。
The ash and silica content of 21 species of commercial woods of Surinam have been quantitatively determined.
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