- 行业: Printing & publishing
- Number of terms: 178089
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- Company Profile:
McGraw Hill Financial, Inc. is an American publicly traded corporation headquartered in Rockefeller Center in New York City. Its primary areas of business are financial, publishing, and business services.
SO A gas at ordinary temperatures; produces an orangered deposit when cooled to temperatures of liquid air; prepared by passing an electric discharge through a mixture of sulfur vapor and sulfur dioxide at low temperature.
Industry:Chemistry
1. AsO<sub>3</sub> <sub>3</sub>_ A negative ion derived from aqueous solutions of As<sub>4</sub>O<sub>6</sub>. 2. A salt or ester of arsenious acid.
Industry:Chemistry
A compound of hydrogen and oxygen containing a higher proportion of the hydrogen isotope deuterium than does naturally occurring water. Also known as deuterium oxide.
Industry:Chemistry
White powder consisting essentially of the hemihydrate of calcium sulfate (CaSO<sub>4</sub>_<sub>1</sub>/<sub>2</sub>H<sub>2</sub>O or 2CaSO<sub>4</sub>_H<sub>2</sub>O), produced by calcining gypsum until it is partially dehydrated; forms with water a paste that quickly sets; used for casts and molds, building materials, and surgical bandages. Also known as calcined gypsum.
Industry:Chemistry
H<sub>2</sub>SO<sub>3</sub> An unstable, water-soluble, colorless liquid with a strong sulfur aroma; derived from absorption of sulfur dioxide in water; used in the synthesis of medicine and chemicals, manufacture of paper and wine, brewing, metallurgy, and ore flotation, as a bleach and analytic reagent, and to refine petroleum products.
Industry:Chemistry
H<sub>3</sub>As A colorless, highly poisonous gas with an unpleasant odor.
Industry:Chemistry
Complex acids of metals, whose specific gravity is greater than 4, with phosphoric acid; an example is phosphomolybdic acid.
Industry:Chemistry
A double salt of platinous cyanide and another cyanide, such as K<sub>2</sub>Pt(CN)<sub>4</sub>; used in photography and fluorescent x-ray screens. Also known as cyanoplatinate.
Industry:Chemistry
An oxide of sulfur, such as sulfur dioxide, SO<sub>2</sub>, and sulfur trioxide, SO<sub>3</sub>.
Industry:Chemistry
An acid of general formula R<sub>2</sub>AsO<sub>2</sub>H; derived from trivalent arsenic; an example is cacodylic acid, or dimethylarsinic acid, (CH<sub>3</sub>)<sub>2</sub>AsO<sub>2</sub>H.
Industry:Chemistry
