What Are Those Itchy Scabs On The Back Of My Catâs Neck, Top Of Her Head And Tail? CatChannel veterinary expert, Arnold Plotnick, DVM, discusses the possible causes and cures for itchy skin in cats.
The Borg Rating of Perceived Exertion (RPE) is a way of measuring physical activity intensity levels. Perceived exertion is how hard you feel like your body is working.
A 20 dB difference in SPL represents a ratio of ten-to-one in sound pressure. 1  Thus, a 40dB SPL would be a sound pressure level that is 100 times greater than the sound pressure level of the quietest sound that normal human hearing can detect.B and Power (20dB = 100x). When talking about power, 3dB represents a ratio of two to one or a doubling of power. 1  Thus, a gain of 10dB would represent a ratio of ten to one for power-so 10 dB be 10 times the power. 2  A 40dB power gain would be 10,000 times the power.