PNdB


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PNdB

abbreviation for
(General Physics) perceived noise decibel
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References in periodicals archive ?
To describe the PDB, NDB, and PNDB, Utracki [28] proposed the following expression for the blend viscosity:
Utracki and Kamal suggested that blend systems be divided into three classes by experimental observations: PDB, negative deviation blending (NDB), and PNDB.