工学 >>> 环境科学技术 >>> 环境科学技术基础学科 环境学 环境工程学 环境科学技术其他学科
搜索结果: 1-4 共查到环境科学技术 chemical composition相关记录4条 . 查询时间(0.171 秒)
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...
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 was conducted during spring (MarchApril) 2008 over the East China Sea to analyze the transport of atmospheric pollutants from East Asia and the transformation processes during tra...
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...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...