| calcium sulfate |
calcium sulphate: a white salt (CaSO4)
출처: wordnet.princeton.edu/perl/webwn
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| calcium sulfate |
known as gypsum can be used to amend soil acidity and is also useful for lightening the structure of heavy clays. Gypsum can be purchased or can sometimes be obtained from old domestic plaster.
출처: www.nationmaster.com/encyclopedia/Soil-pH
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| calcium sulfate |
A white crystalline salt, insoluble in water. Used in Keene's cement, in pigments, as a paper filler, and as a drying agent.
출처: www.eia.doe.gov/oiaf/1605/95report/glossary.html
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