منابع مشابه
Trisodium scandium bis(orthoborate)
Single crystals of tris-odium scandium bis-(orthoborate), Na(3)Sc(BO(3))(2), have been obtained by spontaneous crystallization from an Na(2)O-Sc(2)O(3)-B(2)O(3) melt. The crystal structure features a three-dimensional framework composed of planar [BO(3)](3-) groups and distorted ScO(6) octa-hedra with Na atoms in the cavities. The Sc atom occupies a special position (Wyckoff position 2b, site s...
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Gd(2)Sc(3)Ge(4) adopts the ortho-rhom-bic Pu(5)Rh(4)-type structure. The crystal structure contains six sites in the asymmetric unit: two sites are statistically occupied by rare-earth atoms with Gd:Sc ratios of 0.967 (4):0.033 (4) and 0.031 (3):0.969 (3), one site (.m. symmetry) is occupied by Sc atoms, and three distinct sites (two of which with .m. symmetry) are occupied by Ge atoms. The rar...
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A molecular systematic study of Scrophulariaceae sensu lato using DNA sequences of three plastid genes (rbcL, ndhF, and rps2) revealed at least five distinct monophyletic groups. Thirty-nine genera representing 24 tribes of the Scrophulariaceae s.l. (sensu lato) were analyzed along with representatives of 15 other families of Lamiales. The Scrophulariaceae s.s. (sensu stricto) include part or a...
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We show that the existence of disintegration for cylindrical measures follows from a general disintegration theorem for countably additive measures.
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The radiations from 60-day Sb lN have been studied by several investigators. H ales and Jordan [2] used a 1800 spectrometer to study the beta spectrum of Sb124. Tbey report the presence of two components with maximum cnergies at 0.74 ± O.03 and 2.45 ± 0.07 million electron volts (NIev) . ~1iller and Omtiss [3], u ing a thin magnetic len spectrometer , also ob erved a complex beta specLrum, but ...
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ژورنال
عنوان ژورنال: Journal of Research of the National Bureau of Standards
سال: 1947
ISSN: 0091-0635
DOI: 10.6028/jres.038.022