Search SEDIS
Data sets | Publications | Expeditions | Thesaurus |
Hf ![]() | |
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USE | hafnium |
SN | As of 1981, no longer a valid term for GeoRef. See electromagnetic waves. For the acid with this chemical formula, use hydrofluoric acid. |
Hf-177/Hf-176 ![]() | |
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BT | isotopes |
.stable isotopes | |
..Hf-177/Hf-176 | |
BT | metals |
.hafnium | |
..Hf-177/Hf-176 | |
RT | isotope ratios |
SN | This term has multiple hierarchies. |
Hf/Lu ![]() | |
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USE | Lu/Hf |
HFS elements ![]() | |
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USE | high-field-strength elements |
HFSE ![]() | |
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USE | high-field-strength elements |