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
Among all the emission reduction measures, carbon tax is recognized as the most effective way to protect our climate. That is why the Chinese government has rec