Constrained Source Apportionment of Coarse Particulate Matter and Selected Trace Elements in Three Cities from the Multi-Ethnic Study of Atherosclerosis [0.03%]
动脉粥样硬化多族裔研究中三个城市的大气粗颗粒物及其部分元素的来源定量分析
Timothy M Sturtz,Sara D Adar,Timothy Gould et al.
Timothy M Sturtz et al.
PM10-2.5 mass and trace element concentrations were measured in Winston-Salem, Chicago, and St. Paul at up to 60 sites per city during two different seasons in 2010. Positive Matrix Factorization (PMF) was used to explore the underlying sou...
Limonene ozonolysis in the presence of nitric oxide: Gas-phase reaction products and yields [0.03%]
存在一氧化氮时柠檬烯臭氧化反应的气相反应产物及产率
Jason E Ham,Joel C Harrison,Stephen R Jackson et al.
Jason E Ham et al.
The reaction products from limonene ozonolysis were investigated using the new carbonyl derivatization agent, O-tert-butylhydroxylamine hydrochloride (TBOX). With ozone (O3) as the limiting reagent, five carbonyl compounds were detected. Th...
Characterization of water-soluble organic matter in urban aerosol by 1H-NMR spectroscopy [0.03%]
城市颗粒物中水溶性有机物的核磁共振波谱表征研究
Marie-Cecile G Chalbot,Priyanka Chitranshi,Gonçalo Gamboa da Costa et al.
Marie-Cecile G Chalbot et al.
The functional and 13C isotopic compositions of water-soluble organic carbon (WSOC) in atmospheric aerosol were determined by nuclear magnetic resonance (1H-NMR) and isotope ratio mass spectrometry (IRMS) in an urban location in the Souther...
Correlations between short-term mobile monitoring and long-term passive sampler measurements of traffic-related air pollution [0.03%]
移动监测与被动采样器测量交通相关空气污染物的相关性研究
Erin A Riley,LaNae Schaal,Miyoko Sasakura et al.
Erin A Riley et al.
Mobile monitoring has provided a means for broad spatial measurements of air pollutants that are otherwise impractical to measure with multiple fixed site sampling strategies. However, the larger the mobile monitoring route the less tempora...
Disaggregated N2O emission factors in China based on cropping parameters create a robust approach to the IPCC Tier 2 methodology [0.03%]
基于种植参数的中国分省份N₂O排放因子构建了可靠的《2006年IPCC 国家温室气体清单指南》第二级核算方法
Anita Shepherd,Xiaoyuan Yan,Dali Nayak et al.
Anita Shepherd et al.
China accounts for a third of global nitrogen fertilizer consumption. Under an International Panel on Climate Change (IPCC) Tier 2 assessment, emission factors (EFs) are developed for the major crop types using country-specific data. IPCC a...
Volatile organic compound conversion by ozone, hydroxyl radicals, and nitrate radicals in residential indoor air: Magnitudes and impacts of oxidant sources [0.03%]
室内空气中的挥发性有机化合物被臭氧、羟基自由基和硝酸根自由基转化为：氧化剂来源的量级和影响
Michael S Waring,J Raymond Wells
Michael S Waring
Indoor chemistry may be initiated by reactions of ozone (O3), the hydroxyl radical (OH), or the nitrate radical (NO3) with volatile organic compounds (VOC). The principal indoor source of O3 is air exchange, while OH and NO3 formation are c...
Dimethylamine as a major alkyl amine species in particles and cloud water: Observations in semi-arid and coastal regions [0.03%]
半干旱和沿海地区颗粒物和云水中的主要烷基胺物种：二甲胺的观测结果
J-S Youn,E Crosbie,L C Maudlin et al.
J-S Youn et al.
Aerosol and cloud water measurements of dimethylamine (DMA), the most abundant amine in this study, were conducted in semi-arid (Tucson, Arizona) and marine (Nucleation in California Experiment, NiCE; central coast of California) areas. In ...
Andres Martinez,Scott N Spak,Nicholas T Petrich et al.
Andres Martinez et al.
Indiana Harbor and Ship Canal (IHSC) in East Chicago is an industrial waterway on Lake Michigan and a source of PCBs to Lake Michigan and the overlying air. We hypothesized that IHSC is an important source of airborne PCBs to surrounding co...
Pulmonary inflammatory effects of source-oriented particulate matter from California's San Joaquin Valley [0.03%]
加州圣华金谷源解析颗粒物的肺部炎症效应
Laurel E Plummer,Christopher M Carosino,Keith J Bein et al.
Laurel E Plummer et al.
The EPA regulates ambient particulate matter (PM) because substantial associations have been established between PM and health impacts. Presently, regulatory compliance involves broad control of PM emission sources based on mass concentrati...
Low-wind and other microclimatic factors in near-road black carbon variability: A case study and assessment implications [0.03%]
路边黑碳低风和其他微气候因素的影响：案例研究及评价意义
Marissa S Liang,Timothy C Keener,M Eileen Birch et al.
Marissa S Liang et al.
Airborne black carbon from urban traffic is a climate forcing agent and has been associated with health risks to near-road populations. In this paper, we describe a case study of black carbon concentration and compositional variability at a...