搜索结果: 1-5 共查到“物理学 PM2.5”相关记录5条 . 查询时间(0.078 秒)
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PM2.5(空气动力学粒径小于2.5 μm的颗粒物)是一种主要的大气污染物,严重危害人体健康。世界卫生组织估算全球PM2.5污染每年造成数百万人过早死亡(指死亡年龄低于预期寿命),成为诸多国家亟需解决的重大环境问题。活性氮(Reactive nitrogen; Nr)排放,包括氨氮(NH3)和氮氧化物(NOx),是造成大气PM2.5污染的重要排放来源,它们与二氧化硫(SO2)一起在大气中通过化学转...
Symposium PM2—Plasma Processing via Liquid for Life Sciences and Environmental Applications
plasma plasma applications
2016/7/21
Nowadays plasma impacts many areas in life sciences and environmental applications including medicine, biology, agriculture, environmental remediation and so on, which were regarded as out of field in...
用同步辐射X荧光探针研究上海市2007年单个PM2.5 颗粒物的来源
synchrotron X-ray fluorescence microprobe PM2.5 individual particle analysis
2009/10/10
In order to further understand the sources of PM2.5 in Shanghai air, the synchrotron X-ray fluorescence microprobe at the BL-4A Beamline of Photon Factory of High Energy Accelerator Research Organizat...
大气颗粒物PM10和PM2.5元素组成的中子活化分析
仪器中子活化分析 大气颗粒物 富集因子
2009/1/4
在北京市郊区设立采样点,使用Gent采样器收集PM10(直径小于10μm)和PM2.5(直径小于2.5μm)大气颗粒物。利用仪器中子活化分析(INAA)法对2005年春、夏两季采集的样品进行测量,用k0法中子活化分析(ADVNAA软件)对元素含量进行定量计算,得出春季PM2.5平均浓度为41.43μg/m3,PM10平均浓度为140.82μg/m3;夏季PM2.5平均浓度为50.63μg/m...
Monitoring Pollution of Atmospheric Fine Particles (PM2.5) and Study on Their Genetic Toxicity
2007/7/28
期刊信息
篇名
Monitoring Pollution of Atmospheric Fine Particles (PM2.5) and Study on Their Genetic Toxicity
语种
英文
撰写或编译
撰写
作者
Dongqun Xu,Wenli Zhang
第一作者单位
Institute for Environmental Health and Related Pr...