heavy metal


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heavy metal

a metal with a high specific gravity
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heavy metal

[′hev·ē ′med·əl]
(metallurgy)
A metal whose specific gravity is approximately 5.0 or higher.

heavy metal

References in periodicals archive ?
Discharge of effluents causes heavy metal contamination in River Panjkora as observed from slight increase in heavy metal concentrations downstream (Ahmad et al.
The heavy metal almost are released into aquatic environments through the runoff of industrial (petrochemical contaminants), agricultural (pesticides), mineral and home wastes, drainage of landfills, oil transportation, shipping and porting activities, chemical erosion of the crust of the earth and thus the entrance of atmospheric sediments (Frana et al.
Fish species has been used as bio-indicators in many studies to study heavy metal pollution in the environment, [3,4].
Keywords: Heavy metal pollution; Wheat plant parts; Accumulation; Correlation
At the Agricultural Research Service's (ARS) National Center for Agricultural Utilization Research (NCAUR) in Peoria, Illinois, scientists are investigating safe ways to remove heavy metals from various substances.
Due to the damaging and toxic effects of heavy metals on health and human life their accumulation in environment is becoming one of the major concerns.
The isolated bacterial colonies were screened for heavy metal resistance to cadmium, lead, and nickel by adding 50 [micro]g/ml of Cd[Cl.
All of the results were in agreement with the heavy metal contents in the soils from the Liangfeng-irrigated area that were measured by Yang, Zheng, and co-authors (2005).
We don't want heavy metal contaminated by respectability and by the men in grey at the Palace.
En outre, l'industrialisation rapide des pays de l'Asie du Sud (Malaisie, Indonesie, Singapour) depuis 25 ans a mene au developpement de scenes heavy metal dynamiques.
Regarding heavy metals, it is totally insufficient to look in a patient's mouth for amalgams and inquire into known heavy metal exposures.
KK's promotion firm will operate under the title The Future Of Heavy Metal, and is a collaboration with experienced industry man Dave Coleman.