The temperature and magnetic field dependences of the critical current density in silicone oil doped MgB2 polycrystalline samples have been investigated by magnetic measurements. The upper critical magnetic field anisotropy, ...

Archive of SID

Iranian Journal of Economic Research

Vol. 16, No. 46, Spring 2011, pp. 97-113

Estimation of Rural-Urban Migration in Iran

(An Auto-Regressive Distributed Lag Approach)

Ali ...