نتایج جستجو برای: or resources

تعداد نتایج: 3718247  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1392

abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...

Journal: :Society 2021

The state is obliged to strive for the realization of justice traditional fishing communities. Traditional communities are whose rights still recognized in carrying out activities or other legal certain areas located archipelagic waters following international law sea. Coastal space and small islands that indigenous/traditional have managed from obligation location permits management take natio...

2011
G. D. Betrie Y. A. Mohamed A. van Griensven

Soil erosion/sedimentation is an immense problem that has threatened water resources development in the Nile river basin, particularly in the Eastern Nile (Ethiopia, Sudan and Egypt). An insight into soil erosion/sedimentation mechanisms and mitigation methods plays an imperative role for the sustainable water resources development in the region. This paper presents daily sediment yield simulat...

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