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“…Se aplican diferentes fórmulas de resistencia al flujo para ríos de grava; se analiza la granulometría y la estabilidad de lechos constituidos por material granular no cohesivo; se diseñan cauces estables a la erosión y revestimientos de escollera; se calcula el transporte de sedimentos y se diseñan diques transversales para la restauración de torrentes…”
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Tabla de Contenidos: “…5.3.2 Full-Scale Treatments -- 5.3.3 References -- 5.4 State of art of filtration for public water supply in Brazil -- 5.4.1 Classification According to the Filtration Rate (Fast and Slow Filters) -- 5.4.2 Classification According to the Flow Direction (Upflow and Downflow) -- 5.4.2.1 Rating according to the type of treatment (conventional, direct filtration and filtration line) -- 5.4.3 Classification According to the Filter Material (Granular Bed Filters and Filter Type Precoat) -- 5.4.4 Classification According to the Hydraulic Arrangement (Gravity Filters and Pressure Filters) -- 5.4.5 Classification According to the Mechanism of Action (Action of Water Depth and Surface Action) -- 5.4.6 References -- 5.5 Development in groundwater treatment - Indian perspective -- 5.5.1 Surface and Groundwater Potential in India -- 5.5.2 Drawbacks with Surface Water -- 5.5.3 Groundwater Contamination -- 5.5.4 Methods Adopted for Water Treatment in India -- 5.5.5 Government Initiatives - in Conservation of Surface &amp -- Ground Water Resource -- 5.5.6 Research Initiative by Academic and Research Institutions -- 5.5.7 References…”