作者单位: | Muhittin (S)ahan(Department of Techinical Programs,Vocational School of Osmaniye, University of Osmaniye Korkut Ata, 80000, Osmaniye, Turkey);Ilhami Ye(g)ingil(On leave of absence from Cukurova University);Nazim Aksaker(Department of Physics, Cukurova University, 01330, Adana, Turkey) |