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Rare earth elements

rare earth elements --> lanthanides

Those elements with atomic numbers 57-71 which closely resemble one another chemically and were once difficult to separate from one another.

Synonym: rare earth elements.

Origin: Lanthanum, first element of the series


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The Fiber Disease

... active and passive EO/IR (electro-optic and infrared); hyperspectral, etc. (2) Sensor Fusion and ... germanate-based glasses which permit high rare-earth doping levels, (ii) fiber coatings based on ... High power, high brightness lasers are the key elements for a wide range of commercial and defense ...

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by Nadas Moksha
Fri Dec 15, 2006 8:00 am
 
Forum: Human Biology
Topic: The Fiber Disease
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The Fiber Disease

... topological and invitro functions of monatomic rare earth elements . whats up with this reverse spin.. would that really be ...

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by Nadas Moksha
Tue Aug 15, 2006 12:24 am
 
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