نتایج جستجو برای: dissolved heavy metals
تعداد نتایج: 196681 فیلتر نتایج به سال:
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 ...
Dissolved and particulate metal concentrations are reported from three sites beneath and at the base of the McMurdo Sound seasonal sea ice in the Ross Sea of Antarctica. This dataset provided insight into Co and Mn biogeochemistry, supporting a previous hypothesis for water column mixing occurring faster than scavenging. Three observations support this: first, Mn-containing particles with Mn/Al...
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...
the pollution of water environments is a challenging issue especially in developing countries. contamination of drinking water with heavy metals has been reported in many parts of the world. arsenic, chromium and lead are dangerous heavy metals and also common contaminants of drinking water. in this study, the capacity and performance of the surfactant-modified sabzevar natural nanozeolite (sms...
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