| 单词 | hydrous |
| 例句 | Clay minerals are composed of hydrous aluminum silicates. An Introduction to Geology 2017-01-01T00:00:00Z Sun, V. Z. & Milliken, R. E. Ancient and recent clay formation on Mars as revealed from a global survey of hydrous minerals in crater central peaks. Primordial clays on Mars formed beneath a steam or supercritical atmosphere 2017-12-05T05:00:00Z Recent discoveries of water-rich lunar apatite are more consistent with the hydrous magmas of Earth than the otherwise volatile-depleted rocks of the Moon. [Report] The Lunar Apatite Paradox 2014-04-29T14:56:35.931Z The rocks there show spectral signatures of diverse hydrous minerals in data from Mars Express and Nasa's Mars Reconnaissance Orbiter. Red destination: Choosing an ExoMars landing site 2013-10-12T00:13:39Z HEMIMORPHITE, a mineral consisting of hydrous zinc silicate, H2Zn2SiO5, of importance as an ore of the metal, of which it contains 54.4%. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3 "Helmont, Jean" to "Hernosand" 2012-04-14T02:00:23.707Z A white fibrous mineral frequently found on the walls of mines and quarries, chiefly hydrous sulphate of alumina; Ð also called feather alum, and hair salt. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z It is composed essentially of hydrous silicates of alumina, or more rarely of magnesia. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z I have already mentioned that natural clays, which have remained in a damp soil for ages, contain materials in a hydrous state, i.e. combined with water, which sometimes increases their bulk considerably. British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. 2012-02-26T03:00:18.883Z From this last term comes the modern melanterite, native hydrous ferrous sulphate. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Autunite, a hydrous phosphate of uranium and calcium, crystallizing in the rhombic system in yellow plates. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis It is a hydrous silicate of calcium and potassium. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z A hydrous carbonate of copper and zinc, found in pale green or blue crystalline aggregations. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z It is certain, however, that the finer-grained rocks are richest in alumina, and in combined water; hence the inference is clear that kaolin or some other hydrous aluminium silicate is the dominating constituent. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4 "Cincinnatus" to "Cleruchy" The colour is due to the presence of nickel, probably in the form of a hydrous silicate. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" Tourmaline is a complex hydrous silicate of aluminum and boron, with varying amounts of magnesium, iron, and alkalies. The Economic Aspect of Geology Mr. T. B. Lightfoot, M.I.C.E.—An elaborate discussion of the theory and practice of ammonia refrigerating, including the hydrous and anhydrous systems, with conditions of economy. Scientific American Supplement, No. 647, May 26, 1888 A hydrous sulphate of iron of a deep red color. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z The copper emerald is rare; it is a hydrous form of copper silicate, CuOSiO2 + H2O, of a beautiful emerald green, varying from transparent to translucent. The Chemistry, Properties and Tests of Precious Stones CHLORITE, a group of green micaceous minerals which are hydrous silicates of aluminium, magnesium and ferrous iron. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" Beudant in 1832 restricted the name calamine to the hydrous silicate and proposed the name "smithsonite" for the carbonate, and these meanings of the terms are now adopted by Dana and many other mineralogists. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Apparently the special character which distinguishes laterite from other forms of red-coloured weathering is the presence of hydrous oxide of alumina in varying proportions. Rambles and Recollections of an Indian Official In New Zealand quantities of lignite, described as a hydrous coal, are found and utilised; also an anhydrous coal which may prove to be either of Cretaceous or Jurassic age. The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes Kaolin, a fine white clay, a hydrous silicate of alumina, which does not colour when fired; used in making porcelain; called also China clay. The Nuttall Encyclopædia Being a Concise and Comprehensive Dictionary of General Knowledge It is a hydrous phosphate of uranium and copper. The Gutenberg Webster's Unabridged Dictionary Section T, U, V, and W It is a hydrous silicate of magnesia, and is obtained chiefly in Asia Minor. The Gutenberg Webster's Unabridged Dictionary Section M, N, and O It is a hydrous silicate of alumina and lime. The Gutenberg Webster's Unabridged Dictionary Section I, J, K, and L It is a hydrous silicate of iron and potash. The Gutenberg Webster's Unabridged Dictionary Section F, G and H It is essentially a hydrous silicate of alumina and lime. The Gutenberg Webster's Unabridged Dictionary Section C They are hydrous silicates, derived generally from the alteration of some kind of mica. The Gutenberg Webster's Unabridged Dictionary Section T, U, V, and W The veinstone is pure quartz containing water in microscopical cavities, as in the quartz crystals of granite, but not combined as in the hydrous siliceous sinter deposited from hot springs. The Naturalist in Nicaragua Back at last in his own laboratory, Craig set to work on the brewer's yeast, deriving something from it by the plentiful use of a liquid labeled "Lloyd's reagent," a solution of hydrous aluminum silicate. The Treasure-Train |
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