搜索结果: 1-7 共查到“环境科学技术 Sampling”相关记录7条 . 查询时间(0.125 秒)
Guidance on Passive Sampling Methods to Improve Management of Contaminated Sediments
Guidance Passive Sampling Methods Improve Management Contaminated Sediments
2014/3/25
Guidance on Passive Sampling Methods to Improve Management of Contaminated Sediments。
Measuring and Modeling Atmospheric Arsenic Pollutants, Total As, As(III), and As(V), at Five Characteristic Sampling Sites
TSP Dry deposition Model Arsenic (As) As(III) As(V)
2016/3/28
This investigation determines ambient air arsenic (As), As(III), and As(V) concentrations in total suspended particulates
(TSP) and dry deposition. Calculated/measured dry deposition flux ratios of a...
Passive Sampling of Ambient Nitrogen Dioxide Using Local Tubes
Nitrogen Dioxide Passive Sampler Diffusive Sampling
2013/3/11
Traditional active and automated sampling of nitrogen dioxide (NO2) monitoring techniques require expensive instrumentation which is not easily adapted for large scale monitoring by resource limited c...
Measurement System Evaluation for Upwind/Downwind Sampling of Fugitive Dust Emissions
Fugitive dust Upwind/Downwind sampling Fence line Sand/Gravel operations PM10
2016/3/28
Eight different PM10 samplers with various size-selective inlets and sample flow rates were evaluated for upwind/
downwind assessment of fugitive dust emissions from two sand and gravel operations in...
Evaluation of Multichannel Annular Denuders for a Newly Developed Ultrafine Particle Sampling System
Multichannel annular denuder Gas collection efficiency Particle loss Extraction efficiency
2016/3/29
Laboratory studies evaluated the gas collection efficiencies and particle transmission efficiencies of
1-, 3-, 5-, and 8-channel denuders under simulated atmospheric conditions with the goal of combi...
Aerosol Source Sampling in a Mid-Scale City, Gainesville, FL
MOUDI Mass-Size Distribution Source Distribution Carbon Composition Ion Composition
2016/3/30
Five major sources for the ambient aerosol in Gainesville, FL were sampled by using a Micro-
Orifice Uniform Deposit Impactor (MOUDI) and a University of Washington Mark III Cascade
Impactor. The sa...
Sampling and Characterization of PM-fractions of Ambient Particulate Matter in Bangkok Utilizing a Cascade Virtual Impactor
environmental measurement cascade virtual impactor aerosol sampling PM-fractions chemical composition
2016/3/30
A cascade virtual impactor was developed and utilized for sampling and measurement of ambient
aerosols in size classes demarcated by particle aerodynamic diameters of 10m, 2.5m an...