频率分布(
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频率分布( ΔR/% ) PowerPoint PPT Presentation


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频率分布( ΔR/% ). 定义: 频率分布( ΔR/% ):某一粒径范围 Δdp 的粉尘质量(个数)占总样品质量(个数)的百分数. 公式推导:.

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频率分布( ΔR/% )

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频率分布(ΔR/%)

定义: 频率分布(ΔR/%):某一粒径范围Δdp的粉尘质量(个数)占总样品质量(个数)的百分数


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公式推导:


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