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机译:Experimental evaluation on acoustic impedance and sound absorption performances of porous foams with additives with Helmholtz number
Univ Canterbury, Dept Mech Engn, Christchurch 8041, New Zealand;
Nanyang Technol Univ, Coll Engn, Singapore 639798, Singapore;
Aeroacoustics; Acoustic impedance; Sound absorption; Noise damper; Acoustic reflection;