The effects of different thickness on Microstructure and acoustic properties of oil palm empty fruit bunch natural fiber with density of 120 kg/M3

• المؤلف الرئيسي: Pavithran A/L Chandran
• التنسيق: text::Thesis
• اللغة: English
• منشور في: 2023

sound pollution is becoming a serious issue mowadays. Sound absorption and sound insulation are two ways to reduce the noise.