| Hf |
hafnium: a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons high frequency: 3 to 30 megahertz
출처: wordnet.princeton.edu/perl/webwn
|
|---|---|
| Hf |
Abbreviation for high frequency. See radio frequency band.
출처: amsglossary.allenpress.com/glossary/browse
|
| Hf |
1) High Frequency 2) Hydrogen Fluoride: hydrofluoric acid
출처: www.st.com/stonline/press/news/glossary/h.htm
|
| Hf |
Also known as: Hydrofluoric acid. CAS Number: 7664-39-3. An aqueous solution that is a weak poisonous acid. It resembles hydrochloric acid chemically but attacks silica and silicates, and therefore is used often in finishing and etching glass. Chemical formula = HF. Molecular weight = 20.01 g/mol. Learn More...
출처: www.pca.state.mn.us/gloss/glossary.cfm
|
| HFJV |
High Frequency Jet Ventilation - A type of high-frequency ventilation in which gas is delivered into the airway as a pulsating stream from a small diameter catheter passed through the endotracheal tube.
출처: www.ventworld.com/resources/glossary.asp
|