In the context of global climate change, the internalization of negative externality, which is brought about by the traditional mode of economic growth, has bec
Ligustrazine(2,3,5,6-tetramethylpyrazine) is a major active ingredient of the Szechwan lovage rhizome and is extensively used in treatment of ischemic cerebrova
In this paper, the authors have empirically analyzed the convergence in per capita GDP gap and the convergence in the variation of energy intensity with respect