نتایج جستجو برای: heavy metals
تعداد نتایج: 167128 فیلتر نتایج به سال:
Overlying water, sediment, rhizosphere sediment and mangrove seedlings in the Futian mangrove forest were analyzed for heavy metals. The results showed that mangrove plant acidified sediment and increased organic matter contents. Except for chromium (Cr), nickel (Ni) and copper (Cu) in Aegiceras corniculatum sediment, heavy metals in all sediments were higher than in overlying water, rhizospher...
This study aimed to evaluate the concentration of heavy metals in liquid effluents and to quantify the mercury content in dental amalgam waste generated by dental clinics. Three neighbouring cities in Northeast Algeria were considered in this study (Constantine, Skikda, and Annaba). Heavy metals, such as Hg, Cu, Zn, Fe, Ni, Mn, Cr, Cd, and Pb, were analysed in wastewater and then compared with ...
rodents are sensitive species to and proper monitors of heavy metals in the environment. the accumulation of copper (cu), zinc (zn) and chrome (cr) were measured by wet digestion method and using an icp-oes instrument in hair and liver of persian jird (meriones persicus) in darreh zereshk copper mine, yazd without considering the effects of surrounded mines. results indicated that the concentra...
the use of fertilizers npk and amendments in sugar cane crops may change the heavy metalsconcentrations in soils, making them available for plants and, consequently, they can be transferred to thehuman food chain. this study describes the redistribution of heavy metals (cd, cr, cu, ni, pb and zn) in soils with sugar cane crops due to fertilizers npk and amendments at corumbataí river basin, são...
Distribution of Heavy Metal from Flue Gas in Algal Bioreactor
Background and purpose: Fish is consumed by humans for its nutritional properties, but accumulation of heavy metals in fish can pose serious health hazards. The aim of this research was to investigate the concentration of heavy metals in the muscle and liver of common carp in Zarivar wetland, Iran. Materials and methods: A cross-sectional study was conducted in which carps were caught from Z...
The lead-zinc industries are known to be one of the high-risk industries in terms of the environmental issues. In this research, 15 samples of waste (cake) from Zanjan Lead and Zinc Factory were collected and six samples were selected for adding to soil according to type and concentration of heavy metals. Then, lettuce was planted in soil samples treated with different cakes. After harvesting t...
Anthropogenic environmental changes are hypothesized as main reasons for animal species population declines. Heavy metals contamination is one of the worst threats to animals among human-caused threats. As most of the heavy metals bioaccumulate in organisms, analyzing concentrations of heavy metals in long living animals, such as turtles, would be very useful for biomonitoring of environmental ...
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...
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