搜索结果: 1-15 共查到“环境科学技术 A comparison”相关记录19条 . 查询时间(0.563 秒)
A Comparison of American, Canadian, and European Home Energy Performance in Heating Dominated – Moist Climates Based on Building Codes
Massachusetts energy code building culture and code
2014/11/26
This research compares the energy performance of a code-built residential building within the moist climate zone classification in Canada, Europe, and the Northeastern United States. The primary objec...
Comparison of the Groundwater Quality in the West Tahta Area, Upper Egypt in 1989 and 2011
Under Groundwater Withdrawal West Tahta Evaluation of Groundwater
2013/3/12
Egypt is characterized by arid climate with rare rainfall that means surface water. The River Nile is the main source of water supply. The study area is located in Upper Egypt in the western desert. T...
Comparison of UV-B Broadband Brewer Measurements with Irradiances from Surface-Based and Satellite-Based Models
Department of Geography, University of Winnipeg, Winnipeg, Canada School of Geography and Earth Sciences, McMaster University, Hamilton, Canada
2013/2/26
UV-B irradiance can be estimated from surface meteorological data or from satellite measurements. This paper compares irradiance estimates from the Davies surface-based radiation model and the Canada ...
Comparison of two extraction methods for the analysis of per- and polyfluorinated chemicals in digested sewage sludge
Per- and polyfluorinated chemicals Sewage sludge Ion-pair extraction Methanol extraction Matrix effect
2013/12/12
Waste Generation and Recycling: Comparison of Conventional and Industrialized Building Systems
Waste generation wastage and recycling prefabrication industrialized building systems
2010/12/22
Problem statement: In the Malaysian construction industry, there is a pressing issue of minimizing construction waste, which cause significant impacts on the environment. With the increasing demand fo...
A comparison of eddy-covariance and large aperture scintillometer measurements with respect to the energy balance closure problem
A comparison eddy-covariance large aperture scintillometer measurements respect to the energy balance closure problem
2013/9/2
We analyzed the seasonal variations of energy balance components over three different surfaces: irrigated cropland (Yingke, YK), alpine meadow (A’rou, AR), and spruce forest (Guantan, GT). The energy ...
Comparison between Non-Gaussian Puff Model and a Model Based on a Time-Dependent Solution of Advection-Diffusion Equation
Advection-Diffusion Equation Air Pollution Modeling Analytical Solution Puff Models
2013/3/13
A comparison between a non-Gaussian puff model and an advanced time-dependent model to simulate the pollutant dispersion in the Planetary Boundary Layer is presented. The puff model is based on a gene...
Comparison of Selected Chemical Properties of Peat Swamp Soil Before and After Timber Harvesting
Peat swamp forest soil acidity cation exchange capacity soil organic matter total carbon
2010/12/22
Problem statement: Peat swamp is an important component of the world’s wetlands. Once
they are disturbed the tendency for the soil degradation is very high. This study compared selected chemical prop...
Comparison of two extraction methods for the analysis of per- and polyfluorinated chemicals in digested sewage sludge
Per- and polyfluorinated chemicals Sewage sludge Ion-pair extraction Methanol extraction Matrix effect
2013/12/12
A rapid and reliable analytical method, based on ion-pair extraction, clean-up on Envicarb cartridge and detection by liquid chromatography–tandem mass spectrometry (LC–MS/MS), was developed for deter...
Comparison of Dissolved Air Flotation and Sedimentation in Treatment of Typical North China Source Water
dissolved air flotation sedimentation turbidity
2009/11/16
The treatment of typical north China water by dissolved air flotation (DAF) and sedimentation process was examined. A pilot plant with a water treatment capacity of 120 m3/d constructed in the Jieyuan...
Winter Season SO2 Measurements in Bursa and Comparison with Rural and Urban Area Values
Air pollution Sulfur dioxide Bursa Urban area Rural area
2009/10/13
Sulfur dioxide (SO2) is known to be one of the combustion end products of sulfur containing fossil fuels.In particular, cities with heavy industrial activities have high levels of SO2 concentrations. ...
Comparison of Two Leaching Tests to Assess the Effectiveness of Cement-Based Hazardous Waste Solidification/Stabilization
Heavy metals Leaching Mining waste Portland cement Solidification/stabilization
2009/10/12
The Turkish HazardousWaste Control Regulation (THWCR) recognizes solidi cation/stabilization (S/S) as a promising new technology for the safe disposal of hazardous wastes. In this study, the e ectiven...
Comparison of Continuous and Pulsed Pump-and-Treat for Mass Transfer-Limited Aquifers
Pulsed pump-and-treat Genetic algorithms Optimization Aquifer remediation Mass transferlimitation.
2009/10/10
Two different optimal design models are used to compare pulsed and continuous pumping remediation schemes for mass transfer-limited aquifers. All optimal design models couple a genetic algorithm with ...
Comparison of Water-Soluble Organic Components in Size-Segregated Particles between a Roadside and a Suburban Site in Saitama, Japan
Water-soluble organic carbon Dicarboxylic acids Size distribution Secondary formation
2016/3/29
To clarify the characteristics of the water-soluble organic components in atmospheric aerosols, size-separated aerosol samples were
simultaneously collected at a roadside site (R) and a suburban back...
Comparison Between Biological Treatment and Chemical Precipitation for Nitrogen Removal from Old Landfill Leachate
Biological treatment SBBR MAP struvite
2009/2/25
The study reports the results of a laboratory scale investigation aimed at evaluating the effectiveness of mature municipal landfill leachate treatment by a biological stage (used SBBR as a biological...