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uranous
uranous, a. Chem. (ˈjʊərənəs) [f. uran-ium + -ous c. Cf. F. uraneux.] 1. Formed from or related to the lower oxide of uranium.1842 T. Graham Elem. Chem. 643 The uranous sulphate yields, by evaporation, green prismatic crystals. 1866 Roscoe Elem. Chem. 203 There are two oxides which form salts, viz.,...
Oxford English Dictionary
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Uranium(IV) compounds
Uranous is the chemical term for the reduced tetrapositive cation of uranium that exhibits the valence U4+. Uranous compounds are usually unstable; they revert to the oxidised form on exposure to air.
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uranious
uˈranious var. uranous a.1912 Archaeol. LXIII. 107 The uranious sand employed by the ancient glass-maker.
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Uranium tetrafluoride
Uranium in its tetravalent (uranous) state is important in various technological processes.
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uranoso-
uraˈnoso- combining form of uranous a., occurring in a few chemical terms, as uranoso-ammonic, -potassic, -uranic.1850 Watts tr. Gmelin's Handbk. Chem. IV. 181–7 Uranoso-uranic oxide,..uranoso-ammonic Carbonate,..uranoso-ammonic sulphate,..uranoso-potassic Sulphate. 1868 ― Dict. Chem. V. 941 Pitchbl...
Oxford English Dictionary
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Kasolite
Hydrothermal solutions reacting with uranium-bearing metamictized minerals form uranous fluoride complexes. Under these conditions, the uranous fluorides go through metamorphosis, becoming uranyl fluoride complexes.
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uranic
▪ I. uˈranic, a.1 Also ouranik. [f. L. ūran-us, Gr. οὐραν-ός heaven, + -ic 1. Cf. med.L. ūranic-us.] Astronomical, celestial.? c 1860 Carlyle (Webster), Drawing accurately his meridian line, on I know not what telluric or uranic principles. 1883 R. Brown Eridanus 44 There is another ouranik and doub...
Oxford English Dictionary
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Uranium dioxide
Uranium dioxide or uranium(IV) oxide (), also known as urania or uranous oxide, is an oxide of uranium, and is a black, radioactive, crystalline powder
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二氧化铀
二氧化铀(uranium dioxide、uranous oxide)即氧化铀是铀的氧化物。分子式UO2 。在常温下为黑色粉末。密度 10.97g/cm3,熔点 2,846.85℃,沸点 大约3,500℃。比热14cal/molK。二氧化铀为面心立方结构萤石型结晶构造。
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ويليام هيرشل
في الثالثة والأربعين من عمره، اكتشف كوكب أورانوس (Uranous)، عام 1781م، وهو الكوكب السابع في بعده عن الشمس، وسمّاه «جورجيوم سيدوس» نسبة للملك جورج الثالث
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