...二氧化硅含量的测定 还原硅钼酸盐分光光度法 英文名称： Cryolite, natural and artificial; Determination of silica content; Reduced molybdosilicate spectrophotometric method 页数： 8 采用标准： BS 5050-1974,M..
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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.
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.
通过对比试验发现：测定炭素材料中二氧化硅的含量， 熔融法的分析结果比氢氟酸法更稳定、准确；
The comparative tests show that the content of silicon dioxide in carbon materials determined by the melting method (MM) is more stable and accurate than the hydrofluoric acid method (MHA);
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