Standard Test Method for Measurement of the Surface Tension of Solid Coatings, Substrates and Pigments using Contact Angle Measurements Ingestion-build-53008 The resonant frequency is useful

The resonant frequency is useful in measuring the interface resistance which helps in improving the quality of resonators

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This part of IEC 60255 specifies minimum requirements for over/under voltage relays

These methods prevent loss of volatile metal derivatives and the formation of insoluble metal silicates (which may result during dry ashing of halogenated rubbers containing zinc or of rubbers filled with silica)

Standard Test Method for Measurement of the Surface Tension of Solid Coatings, Substrates and Pigments using Contact Angle Measurements Ingestion-build-53008 The resonant frequency is useful