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- Using coke in iron ore reduction produces copious quantities of airborne particulates. 炼铁过程中使用焦炭,会在空中形成大量的悬浮粒子。
- In this work, samples of airborne particulates,vent gas and smog dust during heating and non-heating seasons were collected in the urban and suburban areas of Lanzhou. 本文收集了兰州市区和郊区在取暖期和非取暖期的大气飘尘样品和汽车尾气及烟尘样品。
- In this work, samples such as airborn particulates, exhaust gas and smogdust were collected during heating and non-heating seasons in the urban and suburban areas of Lanzhou. 摘要对兰州市区、郊区大气颗粒物、汽车尾气及烟尘样品中的饱和烃和芳香烃进行了色谱-质谱检测。
- Lastly the percentage contributions of various pollution sources to SPAHs on airborne particulates in Nanjing city were calculated using multiple regress mordel. 最后通过多元逐步回归模型计算出各污染源对南京市大气颗粒物中多环芳烃的贡献率。
- Polycyclic aromatic hydrocarbon (PAH) fractions in airborn particulates were quantitatively and semi quantitatively analyzed by GC MS.16 kinds of parent PAH were detected in airborn particulates. 用GC-MS定量和半定量分析了PAH组分;研究区大气飘尘中检测出16种母核PAH.
- airborne particulates matters (PM) 颗粒物
- The airborne particulates are an important type of air pollutants.This paper analyzes the principles and methods of the monitoring of the ambient airborne particulate concentration. 大气颗粒物是一种重要的空气污染物,详细分析了大气颗粒物浓度的检测原理、检测方法。
- Urban airborne particulate matter open source has been one of the main sources of airborne particulate matter. 城市空气颗粒物开放源已成为大气颗粒物的主要来源之一,它对改善我国城市空气环境质量具有重要意义。
- Source apportionment of airborne particulate matter is important in the field of environmental administration. 摘要大气颗粒物源解析技术在环境管理中发挥著越来越重要的作用。
- Researchers at Peking University have blamed airborne particulate matter for contributing to roughly 25,000 premature deaths in Beijing in 2002. 北京大学的研究人员称,2002年在北京空中悬浮颗粒物质导致大约2500例过早亡。
- Environmental monitoring consisted of total and respirable airborne particulate metal levels, average and maximum noise levels. 定点作业环境测定包含总粉尘与可呼吸性粉尘采样两部份,以及平均噪音与最高噪音测定。
- The paper introduced the research progress of source apportionment of airborne particulate matter from receptor model, sample treatment, the latest development tendency. 本文从受体模型、样品的处理技术、源解析技术发展的最新趋势三方面介绍了大气颗粒物源解析技术的研究进展。
- To evaluate the contribution of coal combustion to PAHs to airborne particulate using CMB receptor model,a study of PAHs source profile for coal combustion is necessary. 为了利用化学质量平衡 (CMB)受体模型解析煤烟尘对环境空气中多环芳烃的贡献率 ,建立煤烟尘多环芳烃成分谱是非常必要的。
- An Analysis of Airborne Particulates in Chengguan District, Lanzhou City 兰州市城关区大气颗粒物分析研究
- Smoking is forbidden until the plane is airborne. 飞机升空时禁止吸烟。
- Ratio method, factor analysis method and multiple regression model were applied to source apportionment experiment of polycyclic aromatic hydrocarbons (PAHs) in airborne particulate at traffic areas in Nanjing. 摘要通过比值法、因子分析法和多元逐步回归模型对南京市交通干道区颗粒物中的多环芳烃的源解析进行研究。
- Comparison Between the Traditional Manual and Automatic Methods of Monitoring Airborne Particulates 传统手工法和自动监测法检测空气中颗粒物的对比
- IDENTIFICATION OF AIRBORNE PARTICULATES IN BEIJING AREA BY X-RAY POWDER DIFFRACTOMETRY 北京大气颗粒物的粉晶X射线物相鉴定
- The airborne troops spearheaded the crossing of the river. 空降兵在渡河作战中担任先导。
- airborne particulate matter (APM) 大气颗粒物