1IntroductionPolymer electrolyte fuel cells (PEFCs) have been spotlighted because they are clean and highly efficient power generation system. Proton exchange m
This paper addresses English rhetorical devices as comprehension-related stumbling blocks for Chinese students of English as a Foreign Language (EFL). Rhetorica
1 Introduction It is well known the ability of primary and secondary nitroalkanes to generate carbanions (under basic conditions) strongly stabilized by the ele