نتایج جستجو برای: organophosphorus degrading elements
تعداد نتایج: 295757 فیلتر نتایج به سال:
Five hundred and ninety two Siberian sturgeon fingerlings (average weight, 11.1±0.9 g) were randomly distributed in 16 tanks (150 L) at a density of 35 fish per tank and fed different treatments (Control, degrading bacteria, 2% PHB, degrading bacteria + 2%PHB) for 60 days. At the end of the experiment, no significant difference was observed in case of final weight in fingerlings but fish fed PH...
Background: Organophosphorus pesticides are widely used in agriculture, homes, gardens, and veterinary practices. Extensive application of pesticides in agriculture often results in residues of these compounds being absorbed into the foods, including wheat. The aim of this study was to evaluate the residue levels of 20 organophosphorus pesticides in wheat samples collected from different region...
BACKGROUND Persistent organic pollutants represent about 95 % of the industrial sector effluents in Egypt. Contamination of the River Nile water with various pesticides poses a hazardous risk to both human and environmental compartments. Therefore, a large scale monitoring study was carried on pesticides pollution in three geographical main regions along the River Nil water stream, Egypt. MET...
Various approaches leading to mono-, diand poly-functionalized phosphonates as well as phosphoryl heterocycles were reported for the systematic study of relationship between chemical structure and biological activities of this most important class of organophosphorus compounds. Introduction Functionalization of phosphonic acid molecules opens enoi-nious possibilities of structural variation of ...
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