Heavy metal contamination in soils of urban highways (comparision between runoff and soil concentration

Heavy metal contamination in soils of urban highways (comparision between runoff and soil concentration

Heavy metal contamination in soils of urban highways (comparision between runoff and soil concentration

... amount of contamination coming from abrasion of brakes, tires of vehicles, etc. In calculation HEAVY METAL CONTAMINATION IN SOILS OF URBAN HIGHWAYS 311 TABLE VI Amount of metals in the runoff compared ... removal of Pb by three HEAVY METAL CONTAMINATION IN SOILS OF URBAN HIGHWAYS: COMPARISON BETWEEN RUNOFF AND SOIL CONCENTRATIONS AT CI...
Ngày tải lên : 16/03/2014, 00:25
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Adsorption of heavy metal inons on soils and soil constituents

Adsorption of heavy metal inons on soils and soil constituents

... The main parameters in uencing heavy metal adsorption are soil pH, type and speciation of metal ion involved, heavy metal competition, soil composi- tion and aging. The individual behavior of Cd, ... matrix) containing minerals and organic matter and fluid phases (the soil water and the soil air), which interact with each other and ions entering the soil sy...
Ngày tải lên : 15/03/2014, 23:09
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A meta analysis and risk assessment of heavy metal uptake in common garden vegestable

A meta analysis and risk assessment of heavy metal uptake in common garden vegestable

... electroplating, smelting, and ore processing (ATSDR 1994). Mine tailings and drainage from mines can contain high concentrations of zinc (Cobb et al. 2000). The fate and transport of zinc (Zn +2 ) in ... metal uptake (Khan and Frankland 1983). Soil pH significantly influences heavy metal concentrations in both soil and plant tissues. The effect of soil p...
Ngày tải lên : 15/03/2014, 23:10
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ENVIRONMENTAL IMPACT OF HEAVY METAL POLLUTION IN NATURAL AQUATIC SYSTEMS ppt

ENVIRONMENTAL IMPACT OF HEAVY METAL POLLUTION IN NATURAL AQUATIC SYSTEMS ppt

... properties of the Interface, and geochemists and engineers interested in modelling behaviour in complex natural systems or in designing processes to remove heavy metals from water streams. The metal ... side effect of human activities. For example, acid mine drainage teaches metals from rocks and soils, oxides of cadmium and zinc are vaporized and released to the ai...
Ngày tải lên : 23/03/2014, 00:20
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arsenic contamination in soils, water and plants

arsenic contamination in soils, water and plants

... 0.3 mg/kg in plants and 0.001-0.01 mg/l in surface water. Contamination in soils and plants were found higher much larger than those in surface water flown from the tailing of gold mining disposal ... management in near future, the samples of top soils, water and plants were collected from the surrounding area of Gold Mine, within watershed covering gold mine an...
Ngày tải lên : 25/04/2013, 08:21
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Báo cáo khoa học: The influence of cold shock proteins on transcription and translation studied in cell-free model systems pdf

Báo cáo khoa học: The influence of cold shock proteins on transcription and translation studied in cell-free model systems pdf

... Bio- analyzer. In the absence of CSPs and in the presence of the equivalent amount of BSA in the according buf- fer a distinct band of transcription product was also present as a small amount of undigested ... lgÆmL )1 CAT in 1 h using an mRNA concentration of 33 lgÆmL )1 . When CSPs were present in concentrations where complete inhibition of the combined in vitr...
Ngày tải lên : 07/03/2014, 21:20
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Báo cáo khoa học: Molecular dissection of the biosynthetic relationship between phthiocerol and phthiodiolone dimycocerosates and their critical role in the virulence and permeability of Mycobacterium tuberculosis doc

Báo cáo khoa học: Molecular dissection of the biosynthetic relationship between phthiocerol and phthiodiolone dimycocerosates and their critical role in the virulence and permeability of Mycobacterium tuberculosis doc

... the spleen and lungs by homogenizing tissues in 5 mL of NaCl ⁄ P i containing 0.05% Tween-80, and the number of viable bacteria in the organs of infected mice were determined by plating serial dilutions ... postinfection, we observed a marked difference between the number of CFUs of the wild-type strain and that of the PMM56 mutant strain in lungs and in the sple...
Ngày tải lên : 23/03/2014, 09:20
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A Comparative Analysis of Carbon Dioxide Emissions in Coated Paper Production Key Differences between China and the U.S. pot

A Comparative Analysis of Carbon Dioxide Emissions in Coated Paper Production Key Differences between China and the U.S. pot

... difference in distances traveled by pulp and paper in the supply chain for China’s industry, and for the U.S. (NewPage) supply chain turned out to be striking. Pulp in the Chinese supply chain takes ... Transportation The scope of transportation emissions considered here includes the shipping of pulp to paper mills (in cases of non-integrated production) and the shippin...
Ngày tải lên : 24/03/2014, 05:20
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