Description: Sound pressure level is actually a ratio of the absolute Sound Pressure and a reference level (usually the Threshold of Hearing or the lowest intensity sound that can be heard by most people).; Name: acoustic pressure level
Description: Ten times the logarithm to the base 10 of the ratio of the square of the sound pressure, p, to the square of a reference value, p0, expressed in decibels; Name: Sound pressure level
Description: For a given operating resource, the lowest temperature, below which the temperature may not ever fall, of materials or measuring substances below which the resource cannot be operated without permanent changes in its characteristics; Name: Min. work temperature