نتایج جستجو برای: index enrichment factor

تعداد نتایج: 1241533  

Journal: :international journal of environmental research 0
m. aktaruzzaman department of environmental sciences, jahangirnagar university, dhaka-1342, bangladesh m.a.z. chowdhury agrochemical and environmental research division, institute of food and radiation biology, atomic energy research establishment, savar, dhaka-1349, bangladesh z. fardous agrochemical and environmental research division, institute of food and radiation biology, atomic energy research establishment, savar, dhaka-1349, bangladesh m.k. alam agrochemical and environmental research division, institute of food and radiation biology, atomic energy research establishment, savar, dhaka-1349, bangladesh m.s. hossain department of environmental sciences, jahangirnagar university, dhaka-1342, bangladesh a.n.m. fakhruddin department of environmental sciences, jahangirnagar university, dhaka-1342, bangladesh

pollution of water and soils by heavy metals is an emerging problem in industrialized countries.the present study was conducted to investigate the heavy metals concentration in water and sedimentsamples from ship breaking sites of sitakunda to assess the potential ecological risk posed by heavy metalusing different methods. heavy metals concentration was analyzed by atomic absorption spectrosco...

Journal: :international journal of environmental research 2014
m. aktaruzzaman m.a.z. chowdhury z. fardous m.k. alam m.s. hossain

pollution of water and soils by heavy metals is an emerging problem in industrialized countries.the present study was conducted to investigate the heavy metals concentration in water and sedimentsamples from ship breaking sites of sitakunda to assess the potential ecological risk posed by heavy metalusing different methods. heavy metals concentration was analyzed by atomic absorption spectrosco...

Journal: :journal of mining and environment 2015
m. otari r. dabiri

heavy metal concentration in the soils and sediments has increased worldwide during the last century due to the mining, smelting, and industrial activities. the forumad chromite deposit is located in the sabzevar ophiolitic complex (soc), with a long history of mining activities, yet very little is known about the heavy metal contamination in its surrounding environment. in this research work, ...

Journal: :journal of tethys 0

the objective of this study was to explore the application of hybrid artificial neural network methods to predict heavy metals in rainwater based on major elements. measurements of the heavy metals pb, cu, zn, as, ni, hg, and fe in soluble rain fractions were performed in rainwater collected at the arak plain during the rainy seasons of 2012. in the soluble fractions, the concentrations of the ...

2018
M. Tholkappian R. Ravisankar A. Chandrasekaran J. Prince Prakash Jebakumar K.V. Kanagasabapathy M.V.R. Prasad K.K. Satapathy

The concentration of some heavy metals: Al, Ca, K, Fe, Ti, Mg, Mn, V, Cr, Zn, Ni and Co in sediments from Pulicat Lake to Vadanemmeli along Chennai Coast, Tamil Nadu has been determined using EDXRF technique. The mean concentrations of Mg, Al, K, Ca, Ti, Fe, V, Cr, Mn, Co, Ni, and Zn were found to be 1918, 25436, 9832, 9859, 2109, 8209, 41.58, 34.14, 160.80, 2.85. 18.79 and 29.12 mg kg-1 respec...

Journal: :journal of tethys 0

soil contamination in the vicinity of the abandoned lakan lead and zinc mine was studied. the results showed that over the past decades, the environmental pollution was caused by lead, zinc tailings dam and acid mine drainage. the average of lead, zinc, cadmium, copper and nickel is 1295, 4273, 27, 185 and 92 mg/kg, respectively in the soils of tailings dam. these metals were continuously dispe...

2015
A. E. A. Sherif M. M. El-Kholy T. M. Salem

To assess the leakage of sanitation service in urban areas on the contamination of water streams and soil besides, a risk assessment study was conducted through the intake of edible plants from polluted irrigated suburban area of El-Zomor area, Egypt. The results revealed that concentrations of trace elements were several folds higher in the studied site compared to the background level in the ...

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