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What does OB stand for?

OB stands for Octave Band

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 18 other meanings of OB in our Acronym Attic

Samples in periodicals archive:

So, from simple baseline surveys to full 1/3rd octave band analysis, all measurements can be performed quickly and easily through a simple, intuitive menu driven system.
Because the amount of absorption depends on frequency, the absorption is usually given for the octave bands between 125 Hz to 4000 Hz.
The animals of group 1, 2, 3, 4 were exposed to the noise (4 kHz octave band noise, 100 dB SPL), 8 hours per day for 3 days consecutively and received normal saline, corn oil, 10 mg/kg vitamin E, 50 mg/kg vitamin E respectively daily by intraperitoneal injection from 3 days before the noise exposure, through the 3 noise exposure days to 3 days after the noise exposure.