Institution: | 1. Division of Mechanical System Engineering, Chonbuk National University, Jeonju 561-756, Republic of Korea;2. Engineering and Surface Metrology Lab., National Institute of Standards, Tersa St., El Haram, El Giza, Egypt;3. Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, 373-1, Gooseong-dong, Yuseong-gu, Daejeon 305-701, Republic of Korea;4. Hydrogen and Fuel Cells Research Center, Chonbuk National University, Jeonbuk, 560-756 Korea |