| 单词 | tetragonal |
| 例句 | First, they observed that the order parameter of a nucleus, which in this case quantifies how closely the atoms in the nucleus adopt a tetragonal arrangement, is not uniform. Crystallization tracked atom by atom 2019-06-25T04:00:00Z However, the crystal structure of CaPv spontaneously distorts to a tetragonal form at lower temperatures. High-pressure experiments cast light on deep-Earth mineralogy 2019-01-08T05:00:00Z More specifically, lead titanate changes shape from tetragonal to rhombohedral through monoclinic intermediates under pressure. Ferroelectric polymers morph into action 2018-10-02T04:00:00Z Bill very long, straight, thick, the base broader than high; the sides tetragonal; upper mandible very straight, the base rounded; under mandible beneath carinated and recurved, the margins covered by those of the upper. Zoological Illustrations, Volume I or Original Figures and Descriptions of New, Rare, or Interesting Animals 2012-04-19T02:00:27.027Z In all crystals of the same substance this ratio is constant, and is characteristic of the substance; for other substances crystallizing in the tetragonal system it will be different. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z Apophyllite always occurs as distinct crystals, which belong to the tetragonal system. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" In their experiments, Gréaux et al. synthesized CaPv, and analysed both the cubic and the tetragonal forms at high pressures and temperatures in a high-pressure apparatus. High-pressure experiments cast light on deep-Earth mineralogy 2019-01-08T05:00:00Z Chalcopyrite crystallizes in the tetragonal system with inclined hemihedrism, but the form is so nearly cubic that it was not recognized as tetragonal until accurate measurements were made in 1822. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" When precipitated from solutions it forms red tetragonal crystals, which, on careful heating, give a yellow rhombic form, also obtained by crystallization from the fused substance, or by sublimation. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" This form does not enclose space, and is therefore called an “open form” to distinguish it from a “closed form” like the tetragonal bipyramids and all the forms of the cubic system. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z Associated word: quadrigenarious. four-sided, a. quadrangular, square, quadrilateral, tetragonal, tetrahedral. four-sided figure. square, tetragon, quadrangle, rhombus. foursquare, a. quadrangular. fourth, n. quarter. four years, quadrennium. Putnam's Word Book The clumsy tetragonal pillars contract the already narrow space. The German Classics of the Nineteenth and Twentieth Centuries, Volume 10 Prince Otto Von Bismarck, Count Helmuth Von Moltke, Ferdinand Lassalle In the fourth house I find Jupiter in a decadence, as also in a tetragonal aspect to Saturn, associated with Mercury. Gargantua and Pantagruel, Illustrated, Book 3 The density and specific heat of the tetragonal form are greater than those of the yellow. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Also some tetragonal and hexagonal crystals, e.g. apophyllite, vesuvianite, beryl, &c., which should normally be optically uniaxial, sometimes consist of several biaxial portions arranged in sectors or in a quite irregular manner. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z |
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