Geographic metals
نویسندگان
چکیده
منابع مشابه
Geo-statistical Distribution of Heavy Metals in Karoon River’s Soil by Geographic Information System
Introduction: Soil has an important role in nutrient cycle and an important function in storage, refinement, and movement of nutrients for the living and non-living parts. Soil pollution of heavy metals and elements is one of the common pollution impacts of human activities, especially industry. Realization of distribution pattern of these elements and their anthropogenic sources is a major par...
متن کاملMetals and selenium as bioindicators of geographic and trophic segregation in giant petrels Macronectes spp
We analysed concentrations of cadmium, lead, mercury and selenium in blood from males and females of the 2 sibling species of giant petrels, the northern Macronectes halli and the southern M. giganteus, breeding sympatrically at Bird Island (South Georgia, Antarctica). Blood samples were collected in 1998 during the incubation period, from 5 November to 10 December. Between species, cadmium and...
متن کاملSurvey on the Geo-statistical Distribution of Heavy Metals Concentration in Sistan and Baluchistan’s Groundwater via Geographic Information System, Iran
Abstract Background and purpose:The rapid urbanization and industrialization in many parts of the world have led to the accumulation of heavy metals in the terrestrial environment and pose a serious threat to human health. In this study, a broad assessment was conducted to estimate the levels of heavy metals in groundwater in Sistan and Baluchestan via geographic information system (GIS), Iran,...
متن کاملAssessment of the Environmental Pollution of some Heavy Metals in Abadan City Street Dust using Geographic Information System (GIS)
High concentrations of heavy metals in street dust are considered to be a serious risk to the human health and the environment. In this study, 30 dust samples were collected from the pavements in the main streets of Abadan to determine the level of pollution of heavy metals in the street dust. Heavy metal concentrations were analyzed by inductively coupled spectroscopy (ICP-OES) method. The lev...
متن کاملMetals and Non-metals
Ductile: Substances that can be drawn into thin wires are called ductile. For example, most of the metals are ductile. Question 2: Why is sodium kept immersed in kerosene oil? Answer: Sodium and potassium are very reactive metals and and combine explosively with air as well as water. Hence, they catch fire if kept in open. Therefore, to prevent accidental fires and accidents, sodium is stored i...
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ژورنال
عنوان ژورنال: BMJ
سال: 2007
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.39113.728322.e0