The exposure and toxic effects of mercury in gold mining activities
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چکیده
منابع مشابه
the effects of cooperative versus individual directed reading thinking activities on students inferential and referential questions
two groups of students were assigned as experimental and control ones, and were given instruction on directed reading-thinking activities and after some treatment, they were post-tested. although the initial pre-test did not show any significant differences, the final post-test result revealed that the cooperative reading comprehension helped the experimental group. the cooperative students’...
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Dubbed “quicksilver” by Aristotle,[1] mercury is a heavy metal with unusual physical characteristics, such as a low melting point,[2] that make it suitable for a variety of uses. It can be found in countless modern-day products, from thermometers and fluorescent light bulbs to dental fillings. Unfortunately, this unique metal is toxic to humans, and exposure can lead to neurological damage, com...
متن کاملAncient Gold Mining Activities in India - An Overview
Gold was obtained through washing or panning of the river sands during initial periods of civilisation. With the advent of knowledge of metallurgical processing of ores it was recovered through mining of in-situ quartz reefs, and then from auriferous sulphide ores. The metal mining activities are evidenced in the form of large number of ‘ancient metal mines’ or ‘old workings’ and ‘placer mining...
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ژورنال
عنوان ژورنال: Asian Journal of Health Sciences
سال: 2019
ISSN: 2347-5218
DOI: 10.15419/ajhs.v5i1.443