搜索结果: 211-225 共查到“理学 environment”相关记录311条 . 查询时间(0.146 秒)
我校新加坡籍硕士留学生Grace同学在理学院分析科学研究所唐玉海教授的指导下，以第一作者完成了题为“Anti-radon coating for mitigating indoor radon concentration” 研究论文在国际权威杂志《Atmospheric environment》（2008年第42卷第37期Page 8634-8639 ） 发表，该杂志2007年影响因子为2.594...
Ozone Monitoring Instrument spectral UV irradiance products: comparison with ground based measurements at an urban environment
Ozone Monitoring Instrument spectral UV irradiance products urban environment
2009/3/12
We have compared spectral ultraviolet overpass irradiances from the Ozone Monitoring Instruments (OMI) against ground-based Brewer measurements at Thessaloniki, Greece from September 2004 to December ...
Nutrient water quality of the Wye catchment, UK: exploring patterns and fluxes using the Environment Agency data archives
nutrients phosphate phosphorus
2009/3/12
Water quality data, collected by the Environment Agency in England and Wales over 10 years (1991 – 2000) were used to examine the spatial distribution of nutrient pollution risk and for assessing broa...
Forestry and the aquatic environment: studies in an Irish context
forest-stream interactions Irish plantation forestry macroinvertebrates forest management
2009/3/5
Research on the interaction between plantation forestry and aquatic environments is essential to develop environmentally compatible and sustainable management further
The effects of riparian forest management on the freshwater environment: a literature review of best management practice
riparian wood riparian buffer woodland management freshwater environment water quality
2009/3/5
National Forests and Water Guidelines require the establishment of riparian buffers to help protect the freshwater environment from disturbance by silvicultural operations on the adjacent land.
The Surface Wave Environment In the GATE B/C Scale—Phase III
Surface Wave Environment GATE B/C Scale—Phase III
2009/2/10
The surface wave environment in the GATE B/C scale is described from wave measurements made from buoys and aircraft during Phase III (September 1974). Particular emphasis is given to the wave measurem...
The characterisation of pollution aerosol in a changing photochemical environment
pollution aerosol changing photochemical environment
2009/1/22
Measurements are presented from a sampling location 50 km downwind of Greater London, UK, to investigate the timescales required for the atmospheric transformations of aerosol in urban emissions plume...
The Large-Scale Environment of the Poleward-Flowing Leeuwin Current, Western Australia：Longshore Steric Height Gradients, Wind Stresses and Geostrophic Flow
Large-Scale Environment Poleward-Flowing Leeuwin Current Wind Stresses Geostrophic Flow
2009/1/15
Steric heights have been estimated using T–S relationships for all available XBTs within 10–40°S, 105–130°E to 1980, and merged with steric heights from hydrology data. These data were subdivided into...
Processing of soot in an urban environment: case study from the Mexico City Metropolitan Area
Processing of soot urban environment Mexico City Metropolitan Area
2009/1/14
Chemical composition, size, and mixing state of atmospheric particles are critical in determining their effects on the environment. There is growing evidence that soot aerosols play a particularly imp...
Technical note: Evaluation of standard ultraviolet absorption ozone monitors in a polluted urban environment
ultraviolet absorption ozone monitors polluted urban environment
2009/1/13
The performance of the EPA Federal Equivalent Method (FEM) technique for monitoring ambient concentrations of O3 via ultraviolet absorption (UV) has been evaluated using data from the Mexico City Metr...
Kelvin Wave Propagation in a High Drag Coastal Environment
Kelvin Wave Propagation High Drag Coastal Environment
2009/1/6
Coastally trapped Kelvin waves in a model system of a flat half-planar ocean with a high-drag region of width L adjacent to the coast have properties that depend on L, and its drag, D0. For L less tha...
Modelling molecular iodine emissions in a coastal marine environment: the link to new particle formation
Modelling molecular iodine emissions coastal marine environment particle formation
2009/1/5
A model of iodine chemistry in the marine boundary layer (MBL) has been used to investigate the impact of daytime coastal emissions of molecular iodine (I2). The model contains a full treatment of gas...
Eddy covariance measurements and parameterisation of traffic related particle emissions in an urban environment
Eddy covariance measurement traffic related particle emissions urban environment
2009/1/4
Urban aerosol sources are important due to the health effects of particles and their potential impact on climate. Our aim has been to quantify and parameterise the urban aerosol source number flux F (...
Spatially resolved measurements of nitrogen dioxide in an urban environment using concurrent multi-axis differential optical absorption spectroscopy
nitrogen dioxide urban environment optical absorption spectroscopy
2008/12/19
A novel system using the technique of concurrent multi-axis differential optical absorption spectroscopy system has been developed and applied to the measurement of nitrogen dioxide in an urban enviro...
Evaluation of nitrogen dioxide chemiluminescence monitors in a polluted urban environment
nitrogen dioxide chemiluminescence monitors polluted urban environment
2008/12/10
Data from a recent field campaign in Mexico City are used to evaluate the performance of the EPA Federal Reference Method for monitoring the ambient concentrations of NO2. Measurements of NO2 from st...