搜索结果: 1-11 共查到“环境科学技术 composition”相关记录11条 . 查询时间(0.067 秒)
Cross-ecosystem differences in lipid composition and growth limitation of a benthic generalist consumer
Cross-ecosystem differences lipid composition growth limitation benthic generalist consumer
2014/4/2
In a field study, we analyzed the fatty acid (FA) composition of the benthic generalist Asellus aquaticus collected from boreal lakes, ponds, and streams across gradients in ambient nutrient levels. I...
同济大学环境科学与工程学院环境化学课件PART2-2 Atmospheric Composition
同济大学环境科学与工程学院 环境化学 课件 PART2-2 Atmospheric Composition
2013/12/12
同济大学环境科学与工程学院环境化学课件PART2-2 Atmospheric Composition。
An Evaluation on the Physical and Chemical Composition of Coal Combustion Ash and Its Co-Placement with Coal-Mine Waste Rock
Coal Combustion Ash Characteristic Co-Placement Sulfidic Waste Rock
2013/3/11
In the last few decades, the utilization of coal to generate electricity was rapidly increasing. Consequently, the production of coal combustion ash (CCA) as a by-product of coal utilization as primar...
A Situational Assessment of Socioeconomic Factors Affecting Solid Waste Generation and Composition in Freetown, Sierra Leone
Socioeconomic Factors Solid Waste Generation Freetown Family Size
2013/3/11
The generation of solid waste has become an increasing environmental and public health problem, especially in developing countries. These problems associated with the generation of solid waste are par...
Assessment of Distribution and Composition of Quarry Mine Dust: Case of Pomona Stone Quarries, Harare
Dust PM10 PM 2.5 Quarry Mine Receptor
2013/2/26
The study aimed at assessing the distribution and composition of dust produced at Pomona Stone Quarry mine in Harare, Zimbabwe. The source contribution to ambient PM2.5 and PM10 dust levels were quant...
Effect of Solid Wastes Composition and Confinement Time on Methane Production in a Dump
Mexico Biodegradability Emissions Biogas Methane
2013/3/13
In developing countries, illegal dump structures or even some landfills do not include methane collecting systems, even if local environmental laws exist. In this condition, the greenhouse gas escapes...
On the Fractal Mechanism of Interrelation Between the Genesis, Size and Composition of Atmospheric Particulate Matters in Different Regions of the Earth
Atmospheric aerosols Multifractal Neutron activation analysis
2013/2/26
Experimental data from the National Air Surveillance Network of Japan from 1974 to 1996 and from inde-pendent measurements performed simultaneously in the regions of Ljubljana (Slovenia), Odessa (Ukra...
Chemical Composition of Water-soluble Ions and Carbonate Estimation in Spring Aerosol at a Semi-arid Site of Tongyu, China
Tongyu PM2.5 Water-soluble ions Carbonate
2016/3/28
Fine aerosol samples (PM2.5) were collected daily at Tongyu, a semi-arid site in northeast China from April to June 2006,
when Asian dust events occurred frequently. The concentrations of nine water-...
Aerial Observation of Aerosols Transported from East Asia — Chemical Composition of Aerosols and Layered Structure of an Air Mass over the East China Sea
Long-range transport East Asia Ionic species Metallic components Chlorine loss
2016/3/28
Aerial observation was conducted during spring (March–April) 2008 over the East China Sea to analyze the transport of
atmospheric pollutants from East Asia and the transformation processes during tra...
Composition of Levoglucosan and Surfactants in Atmospheric Aerosols from Biomass Burning
Surfactants Levoglucosan Biomass burning.
2016/3/28
Biomass burning contributes to various organic substances in the atmosphere. Levoglucosan has been recognised as one of
the indicators of biomass burning and surfactants are a group of molecules whic...
Chemical Composition of Rainwater in Egypt
wet deposition acid rain pH values ammonium sulphate
2008/10/29
Rain event samples have been collected at 6-sites in Egypt for the period between 1987 and 2002. Concentrations of major anions (Cl-, NO3- and SO4 2-) and major cations (H+, Ca++ and NH4+) were determ...