Ⅰ. 서론
산업폐수 중 처리하기 어려운 폐수로 섬유, 피혁, 도금폐수 등을 들 수 있으며, 이 중 특히 배출 폐수량은 적으나 고농도이면서 난분해성 물질을 함유하고 있어 고도의 처리기술이 필요한 폐수가 색소를 함유한 폐수이다. 또한 하천에 방류될 경우 확산성이 매우 강하여 일광을 흡수하고 하천
Nowadays, ‘eutrophication’ presents as one of the most serious ecological problems of open water sources such as lakes, oceans and reservoirs. It can be occurs naturally over centuries as lakes age and filled in with sediments, or acid rain. However, it has been rapidly increasing caused by human activities like fertilizers, municipal sewage, and wastewater from the factory. The Baltic Sea is
1. INTRODUCTION
Medical Tourism is outside his residence to go to other local and foreign medical institutions and medical institutions, local recreation agencies through their own health care or maintenance of disease, recovery, and other activities that promote their own depending on the state of health care in the field, sightseeing, shopping and cultural experience that also means that s
I. Background and the Purpose of the Project.
“A lack of water resources might bring more conflicts in near future. Soon, more and more conflicts concerned with water will be on surface.”
This phrase is quoted from the speech in ‘Davos World Economic Forum’ by Ki-Moon, Ban, UN Secretary General. The Issues concerned with water can be summarized in three large categories - deserti