Open AccessSound Absorption Type Single Reflex Bandpass from Rolled Kinds of Areca Nut with Polyurethane and Gypsum Matric
Author(s) -
Hasbullah Panggabean,
Selamat Triono,
S. Sukardi,
Muhammad Iqbal Siregar,
Admiral Akhir Abdillah,
W. C. Warman,
Dicky Nofriansyah,
Ansari Saleh Ahmar,
Robbi Rahim
Publication year - 2018
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1028/1/012070
Subject(s) - materials science , areca , composite material , gypsum , absorption (acoustics) , acoustics , polyurethane , nut , physics