Rare-earth sentence example

rare-earth
  • Cleve proposed to divide the " rare earth " metals into two groups, (1) " perfectly characterized "; (2) " not yet thoroughly characterized."
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  • In the separation of the constituents of the complex mixture of oxides obtained from the " rare earth " minerals, the methods generally forced upon chemists are those of fractional precipitation or crystallization; the striking resemblances of the compounds of these elements rarely admitting of a complete separation by simple precipitation and filtration.
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  • These crude earths, yttria and ceria, have supplied most if not all of the " rare earth " metals.
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  • It combines directly with lithium, calcium and magnesium when heated, whilst nitrides of the rare earth metals are also produced when their oxides are mixed with magnesium and heated in a current of nitrogen (C. Matignon, Comptes rendus, 1900, 131, p. 837).
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  • The first of the rare earth minerals was discovered in 1794 by Gadolin and was named gadolinite from its discoverer.
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  • The rare earth metals are found in the minerals gadolinite, samarskite, fergusonite, euxenite and cerite.
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  • SCANDIUM [[[symbol]] Sc, atomic weight 44.1 (0=16)1, one of the rare earth metals.
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  • In a somewhat impure condition it may be obtained by the reduction of vanadium pentoxide with a mixture of the rare earth metals which are obtained by reduction of the waste oxides formed in the manufacture of thoria (Weiss and Aichel, Ann., 1904, 337, p..
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  • The Eroica is a true audiophile moving coil cartridge which features an advanced pole shoe design using a powerful rare earth Neodymium magnet.
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  • Magnet therapy: The application of high strength rare earth magnet therapy: The application of high strength rare earth magnets at the point of pain.
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  • However, due to their high cost they did not gain widespread use and the rare-earth magnets superseded them.
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  • The Eroica is a true audiophile moving coil cartridge which features an advanced pole shoe design using a powerful rare earth neodymium magnet.
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  • This license hosts at least eight gold prospects and copper molybdenum gold porphyry with recently discovered platinum group element potential and rare earth deposits.
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  • In figure 5 calcium titanate has been doped with aluminum and the rare earth (RE) has been varied.
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  • TERBIUM [[[symbol]] Tb, atomic weight 159.2 (0=16)], a metallic chemical element belonging to the rare earth group; it was originally called erbia by its discoverer Mosander (see Rare Earth).
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  • SAMARIUM [[[symbol]] Sm, atomic weight 150.4 (0= 16)1, a rare earth metal (see Rare Earths).
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  • YTTERBIUM (NEO-YTTERBIUM) [[[symbol]], Yb; atomic weight, 172.0 (0 = '6)1, a metallic chemical element belonging to the rare earth group. Mixed with scandium it was discovered by Marignac in gadolinite in 1878 (see Rare Earths).
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  • GADOLINIUM (symbol Gd., atomic weight 157.3), one of the rare earth metals (see Erbium).
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  • The mantle in an Aladdin lamp is made from a unique mixture of rare earth oxides.
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  • Titanium's natural color is a medium gray or grayish white hue, but by creating an alloy with various rare earth metals, that color can be deepened to a charcoal or ebony shade.
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