فهرست مقالات [bmim] BF4 Ionic liquid دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - New method for preparation of MWCNT-SO3H as an efficient and reusable catalyst for the solvent-free synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones Leila Moradi Gholam Reza Najafi Hakimeh Saeidiroshan