海词手机词典

Effects of pretreatment of catalysis,reaction temperature,the ratio of the reactants,the substrate-catalyst ratio and the content of the promoter on the reaction properties of NaK catalysts has been studied in a wide range.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌