Dissertations 32 Dissertations, Academic Heavy metals Environmental aspects 17 Water quality 5 Soils 4 Water 4 Absorption and adsorption 3 Heavy metal content 3 Pollution 3 Toxicology 3 Analysis 2 Aquatic ecology 2 Bioaccumulation 2 Bioremediation 2 Environmental chemistry 2 Physiological effect 2 Purification 2 Soil pollution 2 Ammonia 1 Antioxidants 1 Aquatic organisms 1 Aquatic plants 1 Bacteriology 1 Bioavailability 1 Chickens 1 Coastal zone management 1 Copper 1 Cultures and culture media 1 Ecology 1