| 词汇 | calcium-sulphate |
| 释义 | calcium sulphate noun[ U ] chemistry UKspecialized(UScalcium sulfate)uk /ˌkæl.si.əm ˈsʌl.feɪt/ us /ˌkæl.si.əm ˈsʌl.feɪt/ a white chemical substance used to make cement and plaster of Paris and to make other substances dry硫酸钙（白色化合物，用于制水泥，熟石膏或食物添加剂） → gypsum石膏 Chemicals, chemical compounds & gases acetic acid acetone acrolein acrylamide activated charcoal adenine agglomerate ethyl alcohol glyphosate H2O HCFC HFC hyaluronic acid hydrochloric acid laughing gas limescale meths oxyacetylene prussic acid tartaric acid Examples of calcium sulphatecalcium sulphate The laboratory tests later confirmed that the overlayer is largely composed of hydrated calciumsulphate (gypsum). Calciumsulphate, phosphogypsum and calcium carbonate in the amelioration of acid subsoils for growth. As calciumsulphate has a relatively high solubility, repeated cycles of water condensation and evaporation could cause localized redistribution of the mineral by dissolution and reprecipitation. What are we to do with all of the calciumsulphate that cannot be used on the market? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Further, there are some important issues regarding the disposal of fly ash and, if limestone is used, of calciumsulphate, which has no market. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It will involve millions of tons of fresh limestone feedstock and necessitate calciumsulphate waste-disposal management. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It is an interlocking reinforced, high density calciumsulphate (gypsum) board. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When sea water evaporates, high concentration and precipitation of calcium carbonate and calcium sulphate result, leading to a hypersaline sodium chloride-rich brine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Insoluble calciumsulphate precipitates out of solution, then the aluminum nitrate nonahydrate may be purified by crystallization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is a transformation of the mineral anhydrite (anhydrous calciumsulphate) into gypsum (hydrous calciumsulphate). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chalk used on blackboards today is usually made of gypsum or calciumsulphate, a powder pressed into sticks. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He received two patents, one for a process for the separation of magnesium chloride from calcium chloride and a second for a method of making ammonium chloride and calciumsulphate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The floor panels, consisting of calciumsulphate, feature unique dimensions of 500 x 500 mm and are applied with a special scratch-resistant covering made of galvanised steel sheets. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The result was stagnating pools of evaporating seawater; the salts of these, mixed with other organic matter and mineral deposits, crystallised into the calciumsulphate composition that is gypsum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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