搜索结果: 31-45 共查到“理学 Road”相关记录49条 . 查询时间(0.156 秒)
Use of a mobile laboratory to evaluate changes in on-road air pollutants during the Beijing 2008 Summer Olympics
on-road air pollutants Beijing 2008 Summer Olympics
font style='font-size:12px;'>
2009/11/19
China implemented systematic air pollution control measures during the 2008 Beijing Summer Olympics and Paralympics to improve air quality. This study used a versatile mobile laboratory to conduct in ...
Tempo-spatial variation of emission inventories of speciated volatile organic compounds from on-road vehicles in China
Tempo-spatial variation speciated volatile organic compounds on-road vehicles China
font style='font-size:12px;'>
2009/9/23
Emission inventories of sixty-seven speciated non-methane volatile organic compounds (NMVOC) from on-road vehicles in China were estimated for the period of 1980–2005, using seven NMVOC emission profi...
Evaluation of mobile emissions contributions to Mexico City's emissions inventory using on-road and cross-road emission measurements and ambient data
mobile emissions Mexico City's emissions inventory ambient data
font style='font-size:12px;'>
2009/9/11
Mobile emissions represent a significant fraction of the total anthropogenic emissions burden in the Mexico City Metropolitan Area (MCMA) and, therefore, it is crucial to use top-down techniques infor...
Soil Infrastructure, Interfaces & Translocation Processes in Inner Space ("Soil-it-is"): towards a road map for the constraints and crossroads of soil architecture and biophysical processes
Soil Infrastructure Interfaces Translocation Processes Inner Space
font style='font-size:12px;'>
2009/9/11
Soil functions and their impact on health, economy, and the environment are evident at the macro scale but determined at the micro scale, based on interactions between soil micro-architecture and the...
Traces of Ancient Earthquakes in Medieval Cities Along the Silk Road, Northern Tien Shan and Dzhungaria
archaeoseismology earthquake damage medieval cities Silk Road Tien Shan Dzhungaria Kazakhstan
font style='font-size:12px;'>
2009/7/8
The evidence for earthquake destruction at medieval cities along the Silk Road from 800 A.D. to 1500 A.D. was examined using techniques of archaeoseismological mapping of architectural components at ...
Evolution of NOx emissions in Europe with focus on road transport control measures
NOx emissions Europe road transport control measures
font style='font-size:12px;'>
2009/3/13
European emission trends of nitrogen oxides since 1880 and up to present are presented here and are linked to the evolution of road transport emissions. Road transport has been the dominating source o...
Comparison of emissions from on-road sources using a mobile laboratory under various driving and operational sampling modes
emissions on-road sources driving and operational sampling modes
font style='font-size:12px;'>
2009/3/12
Mobile sources produce a significant fraction of the total anthropogenic emissions burden in large cities and have harmful effects on air quality at multiple spatial scales. Mobile emissions are intri...
Characterization of on-road vehicle emissions in the Mexico City Metropolitan Area using a mobile laboratory in chase and fleet average measurement modes during the MCMA-2003 field campaign
on-road vehicle emissions Mexico City Metropolitan Area mobile laboratory MCMA-2003 field campaign
font style='font-size:12px;'>
2009/1/19
A mobile laboratory was used to measure on-road vehicle emission ratios during the MCMA-2003 field campaign held during the spring of 2003 in the Mexico City Metropolitan Area (MCMA). The measured em...
Aerosol and NOx emission factors and submicron particle number size distributions in two road tunnels with different traffic regimes
NOx emission factors submicron particle size distributions different traffic regimes
font style='font-size:12px;'>
2009/1/9
Measurements of aerosol particle number size distributions (18–700 nm), mass concentrations (PM2.5 and PM10) and NOx were performed in the Plabutsch tunnel, Austria, and in the Kingsway tunnel, Unite...
Evaluation and modeling of the size fractionated aerosol particle number concentration measurements nearby a major road in Helsinki – Part II: Aerosol measurements within the SAPPHIRE project
size fractionated aerosol particle Helsinki SAPPHIRE project
font style='font-size:12px;'>
2008/12/16
This study presents an evaluation and modeling exercise of the size fractionated aerosol particle number concentrations measured nearby a major road in Helsinki during 23 August–19 September 2003 and ...
Evaluation and modelling of the size fractionated aerosol particle number concentration measurements nearby a major road in Helsinki – Part I: Modelling results within the LIPIKA project
size fractionated aerosol particle Helsinki LIPIKA project
font style='font-size:12px;'>
2008/12/16
A field measurement campaign was conducted near a major road "Itäväylä" in an urban area in Helsinki in 17–20 February 2003. Aerosol measurements were conducted using a mobile laborato...
Global impact of road traffic emissions on tropospheric ozone
road traffic emissions tropospheric ozone
font style='font-size:12px;'>
2008/12/5
Road traffic is one of the major anthropogenic emission sectors for NOx, CO and NMHCs (non-methane hydrocarbons). We applied ECHAM4/CBM, a general circulation model coupled to a chemistry module, whic...
The Road Traffic Analysis Based on an Urban Traffic Model of the Circular Working Field
Average traveling distance Road area Commutation Working field
font style='font-size:12px;'>
2007/12/11
Under a relatively realistic model, this paper theoreticallyanalyzes the road traffic status inside an urban working field,including its radial roads and circular ones. Concretely, the radialand the c...
Road construction and landscape fragmentation in China
font style='font-size:12px;'>
2007/8/24
Qinghai-Tibet Plateau (1.65). The anisotropic analysis indicates that the variation of fragmentation index in east-west direction is larger than that in south-north direction. Paper（PDF...
Adding the value of NAVTECH road database:
an implementation of spatial data mining techniques
font style='font-size:12px;'>
2007/8/24
This paper reports a spatial data mining prototype system developed at the Technical University of Munich in cooperation with NavTech. The system serves the purpose of value-adding the roa...