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The charge transfer was used to solvent (CTTS) transition of OH in water to probe the reorientation of OH ions in water(l-3). The CTTS transition corresponds to an electronic excitation of OH to a quasi-bound state supported by the water molecules in the hydration sphere of the ion.Simultaneously, the hydration sphere itself becomes less attached to the water molecules surrounding it, suggesting that...
The performance of a new modified bentonite product-Phoslockreg-in reducing the dissolved phosphorus (DP) concentrations of different types of water bodies is illustrated through a number of small and large scale laboratory as well as field trials. In most cases, Phoslockreg removed more than 97% of the DP within 24-36 hours. Moreover, it is shown that the DP reduction can occur under a wide range...
Magnesium-ammonium-phosphate precipitation method (MAP) is a newly-developed technique to remove ammonia nitrogen from wastewater. In this study, MAP method has been studied by using MgCl2-6H2O and Na2HPO4-12H2O as precipitators for treating highly concentrated ammonia nitrogen wastewater. The effect of pH value, formulas of precipitation and precipitator ratio on MAP precipitation efficiency has...
The nutritional evaluation and free radical scavenging activities of Foeniculumvulgare were investigated in this study. Proximate analysis and minerals contents were evaluated according to AOAC methods while the scavenging activities of water and ethanol extract of F. vulgare towards 2,2-diphenyl-1-picryhydrazyl (DPPH) radical were established in vitro systems. The chemical analysis of F. vulgare...
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