Characteristics of Coconut Coir Fiber Acoustic Panel At Low and High Frequencies

oleh Zulkarnain, zulkarnain, Rozli , Zulkifli, Mohd jailani, Mohd Nor

Kesan lapisan berliang dan Nisbah keluasan Plat Berlubang Terhadap Ciri akustik Serabut Sabut Kelapa Sebagai Bahan Penyerap Bunyi

oleh Zulkarnain, zulkarnain, rozli , zulkifli, Mohd Jailani, Mohd Nor
Terbitan: Universiti Kebangsaan Malaysia, 2011

Noise Control Using Coconut Coir Fiber Sound Absorber with Porous Layer Backing and Perforated Panel

oleh Rozli, Zulkifli, Zulkarnain, Zulkarnain, mohd Jailani, Mohd Nor
Terbitan: Science Publications, 2010

Effect of Porous Layer Backing and Perforated Panel on Acoustic Characteristic For Coconut Coir Fiber Sound Absorber

oleh Zulkarnain, Zulkarnain, Rozli, Zulkifli, Mohd Jailani, Mohd Nor
Terbitan: 2009

Perforated backing with coconut coir fiber as sound absorber for low and mid range frequencies

oleh Rozli, zulkifli, zulkarnain, zulkarnain, Mohd Jailani, Mohd Nor, Sahrum, Abdullah

Experimental Study Effect of perforation Ratio and Hole Diameter of Perforated Plate Backing With Coconut Fiber

oleh Zulkarnain, zulkarnain, Rozli, Zulkifli, Mohd Jailani, Mohd Nor

Studies on Flame Retardants on Malaysian Coir Fiber

oleh Elwaleed, Awad Khidir, Mohd Jailani, Mohd Nor, Rozli, Zulkifli, Zulkarnain, Zulkarnain, Mohd Faizal , Mat Tahir