例句與造句

1. Historically, Wilkinson's catalyst has been a paradigm in catalytic studies leading to several advances in the field such as the implementation of the some of the first heteronuclear magnetic resonance studies for its structural elucidation in solution ( 31P ), parahydrogen-induced polarization spectroscopy to determine the nature of transient reactive species, or one of the first detailed kinetic investigation by Halpern to elucidate the mechanism.
2. It's difficult to find polarization spectroscopy in a sentence. 用polarization spectroscopy造句挺難的