Hf


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Hf

Hf, symbol for the element hafnium.
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Hf

(chemistry)

HF

(communications)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

HF

On drawings, abbr. for “hot finished.”
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

HF

(High Frequency) A range of radio frequencies from 3 to 30 MHz. The HF band is used for amateur radio, marine, aviation and military communications and high-frequency RFID tags.

With regard to audio, high-frequency waves are typically above 3,000 Hz. See frequency bands.
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