Ligneous 发表于 2025-4-1 03:01:00
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1431-1933 ctitioners, e.g. portfolio managers.EU membership involves political and economic reforms .which influence financial markets in the new member states. .This study empirically explores and quantifies the effects of .EU accession on the risk and return of equity markets in eight .Central and Eastern E训诫 发表于 2025-4-2 05:04:53
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called flux creep, is also discussed. In extreme cases the critical current density is reduced to zero at some magnetic field called the irreversibility field. The principles used to determine the irreversibility field are described, and the result is applied to high-temperature superconductors in C