Neutron activation analysis of the rare earth elements in rocks from the earth's upper mantle and deep crust

1987 ◽  
Vol 112 (2) ◽  
pp. 545-553 ◽  
Author(s):  
H. -G. Stosch ◽  
U. Herpers ◽  
J. Kötz
Keyword(s):  
Rare Earth ◽  
Neutron Activation Analysis ◽  
Activation Analysis ◽  
Neutron Activation ◽  
Rare Earth Elements ◽  
Upper Mantle ◽  
Deep Crust ◽  
The Rare Earth

Labeling Fish with an Activable Element Through Their Diet

1981 ◽  
Vol 38 (10) ◽  
pp. 1281-1282 ◽  
Author(s):  
Hitoshi Michibata
Keyword(s):  
Rare Earth ◽  
Neutron Activation Analysis ◽  
Activation Analysis ◽  
Neutron Activation ◽  
Rare Earth Elements ◽  
Carassius Auratus ◽  
Oryzias Latipes ◽  
Branchial Arch ◽  
Goldfish Carassius Auratus ◽  
The Rare Earth

Stable samarium, one of the rare earth elements, was fed to medaka (Oryzias latipes) and goldfish (Carassius auratus). The concentration of samarium in the labeled fish was determined by neutron activation analysis. In O. latipes, samarium was detectable even 1 yr after the labeled diet was eaten. In C. auratus, samarium was retained in the fifth branchial arch, scales, and gills.Key words: fish marking, Oryzias latipes, Carassius auratus, activation analysis, activable tracer, samarium

Neutron activation analysis of dinosaur bones for uranium, thorium, and rare earth elements

1973 ◽  
Vol 35 (5) ◽  
pp. 1033-1036 ◽  
Author(s):  
Zh. Ganzorig ◽  
T. Gun-Aazhav ◽  
Sh. G�rbish ◽  
O. Otgonsur�n ◽  
Zh. S�r��ter ◽  
...  
Keyword(s):  
Rare Earth ◽  
Neutron Activation Analysis ◽  
Activation Analysis ◽  
Neutron Activation ◽  
Rare Earth Elements
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