An improved graphite furnace atomic-absorption method has been developed for the determination of Sc, Y and the rare-earth elements in silicate rocks and related materials. The method, which involves the separation of the lanthanides by ion-exchange followed by their determination
Both thick and thin films of pGEMR-3Zf- plasmid DNA deposited on a tantalum foil were exposed to soft X rays (effective energy of 14.8 keV) for various times in air under a relative humidity of 45% (Gamma approximately 6, where
The Review of scientific instruments, 83(5), 055110-055110 (2012-06-07)
We present a versatile system for the preparation of oxide crystal surfaces in the ultra-high vacuum (UHV) at temperatures up to 1300 K. Thermal treatment is accomplished by direct current heating of a tantalum foil in contact with the oxide
Arthroplasty of the temporomandibular joint in children with interposition of tantalum foil.
G W N EGGERS
The Journal of bone and joint surgery. American volume, 28, 603-606 (1946-07-01)
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