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| β射线衰减法与微量振荡天平法测定PM 10的比较 |
| Comparison of β - ray Decay Method and Tapered Element Osillating Microbalance Methodto Detect PM 10 |
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| DOI： |
| 中文关键词: PM 10 监测 环境空气 |
| 英文关键词: PM 10 Monitoring Ambientair |
| 基金项目: |
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| 中文摘要: |
| 对现场监测环境空气中PM 10 的两种测定方法—β射线衰减法和微量振荡天平法的测量作了对比实验。实验表明, 两种测定方法的结果具有一致性、相关性和可比性, 能用回归直线方程来描述两者之间的关系。β射线衰减法的测定结果平均高于微量振荡天平法15.8%, 它们之间平均偏差为7.5%。 微量振荡天平法在现场测定中受干扰物和不确定因素的影响较少, 其测量准确性优于β射线衰减法。两种监测仪的运行费用大致相同, 维护量和故障率均较低。 |
| 英文摘要: |
| Two kindsof detection methodsto detect PM 10 in-site,β - ray decay method andtapered elementosillating mi crobalance(TEOM ) method, werecompared. Contrasttestindicatedthatthere had consilience, correlation and comparability. T he detection resultusingβ- ray decay method was15.8% higherthan using TEOM method. Theaveragedeviation betweentwo methods w as7.5%.Inin-sitedetection,theTEOM method was wellin ant-idisturbance,itsaccuracy w asbetterthanβ- raydecay method. Theoperatingcost w assimilarbetweenthetw o methods. |
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