| hard water |
Water which has a high concentration of dissolved minerals and solids.
출처: www.aquahobby.com/articles/e_glossary.php
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| hard water |
Natural water containing impurities in various proportions. Traditional hardness is a measure of calcium or dissolved solids in a solution, measured in parts per million. Hard water generally ranges from 100 to 250 ppm.
출처: www.alpha-plumbing.com/plumbing-terminology-h.htm
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| hardening |
(1) Describes a price which is gradually stabilizing; (2) a term indicating a slowly advancing market.
출처: www.cftc.gov/opa/glossary/opaglossary_h.htm
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| harpoon |
A barbed spear with a line attached to it, used for spearing whales or other large sea animals
출처: www.sitesalive.com/admin/glossary/sectH.html
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| harvest |
The word harvest means to collect. We harvest water just as we harvest crops. We wait for it to fall from the sky and collect the run-off in reservoirs.
출처: www.education.melbournewater.com.au/content/glossa...
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