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Sumer Is Icumen In
(Encyclopedia) Sumer Is Icumen InSumer Is Icumen Ins&oobreve;mˈər ĭs ēk&oobreve;mˈən ĭn [key] [M.E.,=summer has (literally: is) come in], an English rota or round composed c.1250. It is the…calcium chloride
(Encyclopedia) calcium chloride, CaCl2, chemical compound that is crystalline, lumpy, or flaky, is usually white, and is very soluble in water. The anhydrous compound is hygroscopic; it rapidly…Bessemer process
(Encyclopedia) CE5 Bessemer converter Bessemer processBessemer processbĕsˈəmər [key] [for Sir Henry Bessemer], industrial process for the manufacture of steel from molten pig iron. The principle…sodium bicarbonate
(Encyclopedia) sodium bicarbonate or sodium hydrogen carbonate, chemical compound, NaHCO3, a white crystalline or granular powder, commonly known as bicarbonate of soda or baking soda. It is soluble…cider
(Encyclopedia) cider, in Europe, fermented juice of apples; in the United States, unfermented apple juice, unless allowed to ferment, in which case it is typically known as hard cider. Selected…hydrogen peroxide
(Encyclopedia) hydrogen peroxide, chemical compound, H2O2, a colorless, syrupy liquid that is a strong oxidizing agent and, in water solution, a weak acid. It is miscible with cold water and is…producer gas
(Encyclopedia) producer gas, fuel gas consisting chiefly of carbon monoxide and nitrogen. It is prepared in a furnace or generator in which air is forced upward through a burning fuel of coal or coke…chlorate
(Encyclopedia) chloratechlorateklōrˈāt, klôrˈ– [key] and perchloratechloratepərklōrˈāt, –klôrˈ– [key], salts of chloric acid, HClO3, and perchloric acid, HClO4, respectively. Perchlorates are safer…magnesia, chemical compound
(Encyclopedia) magnesia, common name for the chemical compound magnesium oxide, MgO. It occurs as colorless, cubic crystals. It is refractory, melting at about 2,800℃. It is very slightly soluble in…hysteresis
(Encyclopedia) hysteresishysteresishĭsˌtərēˈsĭs [key], phenomenon in which the response of a physical system to an external influence depends not only on the present magnitude of that influence but…Trending
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