| heavy metals |
Metals that have a density of 5.0 or higher and a high elemental weight. Most are toxic to humans, even in low concentrations.
출처: www.1st-water-filters.com/water-filtration-glossar...
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| heavy chain |
The larger of the two types of chains making up an immunoglobulin molecule; consisting of one variable domain and three to four constant domains.
출처: www.sonoma.edu/users/t/thatcher/biol480/voc2.htm
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| heavy water |
A molecule of water contains two atoms of hydrogen and one of oxygen. Most water comprises of hydrogen/oxygen but a small percentage is composed of another hydrogen isotope, deuterium and oxygen. Deuterium differs from hydrogen by having one neutron in the nucleus of each atom. Deuterium water is given the formula D 2 O. There is approx. 1 part in 5000 D 2 O in normal water and it can be concentrated by electrolysis. D 2 O had a higher boiling point (101.4
출처: www.ch.ic.ac.uk/vchemlib/mol/glossary/
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| heavy water |
A huge flow of water through rapids marked by extreme velocity difference in currents and violent turbulence.
출처: www.paddling.net/guidelines/showArticle.html
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| heavy metals |
A group of elements (such as chromium, lead, copper and zinc) that can be toxic at relatively low concentrations and tend to accumulate in the food chain..
출처: www.sbcfire.org/hazmat/env_terms.asp
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