http://www.ije.ir/ ije.ir is website of International Journal of Engineering. en http://www.ije.ir/abstract.php?id=1041 Probabilistic Seismic Hazard Assessment of Tehran Based on Arias Intensityghodrati@iust.ac.ir (Prof. GH.R. Ghodrati Amiri)ali_razavian@iust.ac.ir (Mr. S.A. Razavian Amrei) http://www.ije.ir/abstract.php?id=1042 Behavior of Model Circular Footings on Silty Soils with Cellular Supportsrajeev.gupta@thapar.edu (Mr. Rajeev Gupta)prof.trivedi@yahoo.com (Dr. Ashutosh Trivedi) http://www.ije.ir/abstract.php?id=1040 Tuning of Excitation and TCSC -Based Stabilizers for Multimachine Power Systempartha_bera@rediffmail.com (Dr. Parthasarathi Bera)ddas@ee.iitkgp.ernet.in (Prof. DEBAPRIYA DAS) http://www.ije.ir/abstract.php?id=1048 A Fast and Efficient On-Line Harmonics Elimination Pulse Width Modulation for Voltage Source Inverter Using Polynomials Curve Fittingszainals@fke.utm.my (Dr. Zainal Salam) http://www.ije.ir/abstract.php?id=1047 Behavior of Cu-Cr Powder Mixtures During Mechanical Alloying (TECHNICAL NOTE)ghakbari2002@yahoo.com (Prof. gholam hossein akbari)m.taghian@graduate.uk.ac.ir (Mr. Majid Taghian) http://www.ije.ir/abstract.php?id=1045 Kinetic Study of Niobium Carbide Coating Formation on AISI L2 Steel using Thermo-Reactive Deposition Techniquemohamadazizi82@Gmail.com (Mr. Mohammad Azizi) http://www.ije.ir/abstract.php?id=1039 A New Strategy for Reduction of Emissions and Enhancement of Performance Characteristics of Dual Fuel Engines at Part Loadskhoshbakhti@sut.ac.ir (Dr. R. Khoshbakhti Saray)kousha@tabrizu.ac.ir (Dr. A. Mohammadi Kousha)