About Journal

The Journal of Engineering Research ”TJER” is an open-access refereed International publication of Sultan Qaboos University. TJER is envisaged as a refereed international publication of Sultan Qaboos University, Sultanate of Oman. The Journal is to provide a medium through which Engineering Researchers and Scholars from around the world would be able to publish their scholarly applied and/or fundamental research works, Readmore...

, Chemical Engineering Department, Faculty of Engineering and Petroleum, Hadhramout University, Mukalla, Yemen.

The Journal of Engineering Research [TJER] Vol. 14 No. 1 (2017) - Articles
Storage of Nitrous Oxide (NOx) in Diesel Engine Exhaust Gas using Alumina-Based Catalysts: Preparation, Characterization, and Testing
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