The current study was carried out in the area around the major two conventional wastewater
treatment plants (El Gabal EL Asfar and El Berka) at Greater Cairo, Egypt. The study area is …

Water problems are omnipresent and are already becoming a limiting factor in the
development of many countries. One critical problem confronting mankind today is how to …

Introduction: Being located in an arid and semi-arid region, Iran has always faced with
limited water resources. As groundwater extraction has now exceeded the permitted limits …

کشور ایران به‌دلیل قرار‌گیری در پهنۀ خشک و نیمه‌خشک زمین، از نظر دسترسی به منابع آب همواره
با محدودیت‌هایی مواجه بوده است. در این راستا بایستی توجه ویژه‌ای به تأمین بخشی از آب مورد نیاز …‎

Water is regarded as a vital element in almost all contexts in the world. From early times, it
has a significant role in both in nature and urban settlements. People from the past to the …