نتایج جستجو برای: smelting
تعداد نتایج: 1730 فیلتر نتایج به سال:
More than four metres of core, covering almost 5000 years of deposition, were collected in a high ash minerogenic peat deposit located in the High Aldudes valley (Basque country), an area well known for its mineral abundance, exploited from Roman Times at least. Although minerogenic peatlands are not generally considered as the best archives to reconstruct past atmospheric metal deposition hist...
Introduction: Air quality in industrial workshops is affected by various harmful chemical agents. purpose of this study was to compare of work environment air quality in a number of industrial workshops based on the mass concentration and number of suspended particles in air and application of Kriging geostatistical method in industries. Material and Method: This observational study was ca...
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