G Wu,B Conti,A Leroux et al.
G Wu et al.
Biofiltration is a cleaning technique for waste air contaminated with some organic compounds. The advantages of the conventional biofilter over other biological systems are a high-superficial area best suited for the treatment of some compo...
Contribution of Nitrate and Carbonaceous Species to PM2.5 Observed in Canadian Cities [0.03%]
硝酸盐和碳化合物对加拿大城市PM2.5的贡献
Jeffrey R Brook,Tom F Dann
Jeffrey R Brook
At a variety of Canadian monitoring sites, carbonaceous compounds were estimated to account for an average of 50% of fine particle mass. These estimates were determined by subtracting the total fine particle mass associated with inorganic c...
Environmental Beneficiation of Machining Wastes-Part I: Material Characterization of Machining Swarf [0.03%]
机械加工废物的环境富集-第1部分:切屑材料表征
Mathew J Hess,S Komar Kawatra
Mathew J Hess
There are many industrial waste streams that currently are being deposited in landfills despite having the potential to be recycled and converted into useful products. A good example of this is automobile industry machining operations, whic...
Effects of Indoor Pyrotechnic Displays on the Air Quality in the Houston Astrodome [0.03%]
室内焰火表演对休斯顿Astrodome空气质量的影响
Dabrina D Dutcher,Kevin D Perry,Thomas A Cahill et al.
Dabrina D Dutcher et al.
Fine and coarse particulate mass samples were collected during baseball games with pyrotechnic displays and control games without displays. The average fine and coarse particulate masses were 173 and 141 mg/m3, respectively, for the one-hou...
Development of a Speciated, Hourly, and Gridded Air Pollutants Emission Modeling System-A Case Study on the Precursors of Photochemical Smog in the Seoul Metropolitan Area, Korea [0.03%]
一种分类、分小时和网格排放清单模式系统的开发——以韩国首尔都会圈地区光化学烟雾前体物为例的研究
Dong Young Kim,Jung Wk Kim
Dong Young Kim
A speciated, hourly, and gridded air pollutants emission modeling system (SHEMS) was developed and applied in predicting hourly nitrogen dioxide (NO2) and ozone (O3) levels in the Seoul Metropolitan Area (SMA). The primary goal of the SHEMS...
Simo O Pehkonen,Che-Jen Lin
Simo O Pehkonen
To understand the dynamic chemical changes of mercury taking place in atmospheric water, a more detailed knowledge of the reactions of mercury with organic acids must be obtained. The rate of the above chemical reactions with different Hg(I...
Measurements of Trace Metal (Fe, Cu, Mn, Cr) Oxidation States in Fog and Stratus Clouds [0.03%]
雾和层云中微量元素(铁、铜、锰、铬)价态的测定
Ronald L Siefert,Anne M Johansen,Michael R Hoffmann et al.
Ronald L Siefert et al.
The oxidation state of four transition metals (Fe, Mn, Cu, and Cr) in cloudwater has been investigated during several cloud events at Whiteface Mountain (NY), one cloud event at San Pedro Hill (CA), and one fog event at Bakers-field (CA). S...
Real-World Vehicle Emissions: A Summary of the Seventh Coordinating Research Council On-Road Vehicle Emissions Workshop [0.03%]
机动车排放现状:第七届协调研究理事会道路机动车排放研讨会综述
Steven H Cadle,Robert A Gorse Jr,Timothy C Belian et al.
Steven H Cadle et al.
The Coordinating Research Council (CRC) has sponsored a series of workshops over the last decade focusing on the most recent research on real-world vehicle emissions. This summary presents findings from the latest workshop by researchers en...
Metals as Catalysts during the Formation and Decomposition of Chlorinated Dioxins and Furans in Incineration Processes [0.03%]
金属催化剂在焚烧过程中氯化二噁英和呋喃的形成与分解中的作用研究进展
Kees Olie,Ruud Addink,Mirjam Schoonenboom
Kees Olie
Polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) are found on fly ash and in flue gas of municipal waste incinerators. Municipal waste incinerators seem to be the most important source for PCDDs and PCDFs ...
An Experimental Evaluation of Remote Sensing-Based Hydrocarbon Measurements: A Comparison to FID Measurements [0.03%]
基于遥感的烃类测量实验评估:与FID测量对比
Robert D Stephens,Patricia A Mulawa,Michael T Giles et al.
Robert D Stephens et al.
The purpose of this study was to intercompare hydrocarbon (HC) measurements performed by a number of different instruments: a gas chromatograph (GC), a flame ionization detector (FID), a fourier transform infrared spectrometer (FTIR), a com...