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ytterbium

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
ytterbium /yt·ter·bi·um/ (ĭ-ter´be-um) chemical element, at no. 70, symbol Yb.
yt·ter·bi·um (-tûrb-m)
n. Symbol Yb
A soft bright allotropic rare-earth element, whose radioisotope is used in diagnostic imaging of the brain. Atomic number 70.
ytterbium (Yb)
[itur′bē·əm]
Etymology: Ytterby, Sweden
a rare earth metallic element. Its atomic number is 70, and its atomic mass (weight) is 173.04.
ytterbium [ĭ-ter´€be-um]
a chemical element, atomic number 70, atomic weight 173.04, symbol Yb. (See Appendix 6.)
ytterbium (Yb) (itur´bēm),
n a metallic element of the lanthamide group with an atomic number of 70 and an atomic weight of 173.04.
ytterbium
a chemical element, atomic number 70, atomic weight 173.04, symbol Yb. See Table 6.
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They’re generally clustered in a separate grouping at the bottom of the table, are known collectively as the lanthanoids, and these are their names, in order of atomic number (57-70): lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, and ytterbium.
Why all the fuss over rare earths? by Doug Hornig / Stockhouse
0 at% erbium were co-doped with ytterbium in amounts also ranging from 1.
Optical properties of PMMA doped with erbium(III) and ytterbium(III) ... by Prajzler, Vaclav; Huttel, Ivan; Lyutakov, Oleksiy; Oswald, Jiri; Machovic, Vladimir; Jerabek, Vitezs / Polymer Engineering and Science
Byline: ANI Washington, August 12 (ANI): Scientists at the National Institute of Standards and Technology (NIST) have said that an experimental atomic clock based on ytterbium atoms is about four times more accurate than it was several years ago, giving it a precision comparable to that of the NIST-F1 cesium fountain clock, the civilian time standard of the US.
Atomic clock based on ytterbium atoms 4 times more accurate than ... by Asian News International
 
 
 
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