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yttrium

yttrium

yttrium Sentence Examples

  • Ekeberg discovered an element, tantalum, in some Swedish yttrium minerals.

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  • This "new earth" turned out to be nothing more nor less than a basis yttrium phosphate.

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  • YTTRIUM [[[symbol]], Y; atomic weight, 89 o (0= 16)], a metallic chemical element.

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  • By the same method as had succeeded with aluminium (reduction of the chloride by potassium) Wohler in 1828 obtained metallic beryllium and yttrium.

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  • CERIUM (symbol Ce, atomic weight 140.25), a metallic chemical element which occurs with the rare earths in the minerals cerite, samarskite, euxenite, monazite, parisite and many yttrium minerals.

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  • Yttrium >>

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  • fullerene molecules, was able to insert one or more yttrium atoms.

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  • Additionally, part of the family of soft ferrites, are the microwave ferrites, e.g. yttrium iron garnet.

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  • Spooner, G.M. (1949) Observations on the absorption of radioactive strontium and yttrium by marine algae.

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  • yttrium barium copper oxide) react individually when they approach the rotor's permanent magnets.

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  • yttrium iron garnet.

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  • In its character yttrium is closely allied to, and in nature is always associated with, cerium, lanthanum, didymium and erbium (see Rare Earths).

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  • Instead, the HTS crystals (made from yttrium barium copper oxide) react individually when they approach the rotor 's permanent magnets.

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  • Cubic zirconia (often abbreviated CZ) is a lab-created crystalline cubic form of zirconium oxide stabilized with small quantities of other minerals, typically yttrium or calcium.

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  • For the preparation of yttrium compounds the best raw material is gadolinite, which, according to Kiinig, consists of 22.61% of silica, 34.64.

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  • Metallic yttrium is obtainable as.

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  • or by electrolysing the double chloride of yttrium and sodium.

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  • By repeated fractionations he was able to divide yttrium into distinct portions which gave different spectra when exposed in a high vacuum to the spark from an induction coil.

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  • This result he considered to be due, not to any removal of impurities, but to an actual splitting-up of the yttrium molecule into its constituents, and he ventured to draw the provisional conclusion that the so-called simple bodies are in reality compound molecules, at the same time suggesting that all the elements have been produced by a process of evolution from one primordial stuff or "protyle."

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  • Dyson has measured some eight hundred lines in the lower chromosphere and identified them with emission spectra of the following elements: hydrogen, helium, carbon with the cyanogen band, sodium, magnesium, aluminium, silicon, calcium, scandium, titanium, vanadium, chromium, manganese, iron, zinc, strontium, yttrium, zirconium, barium, lanthanum, cerium, neodymium, ytterbium, lead, europium, besides a few doubtful identifications; it is a curious fact that the agreement is with the spark spectra of these elements, where the photosphere shows exclusively or more definitely the arc lines, which are generally attributed to a lower temperature.

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