diphenylmethane
n. 二苯基甲烷
例句
Diphenylmethane would have a two proton peak.
二苯甲烷必定有一个二质子的峰。
Status quo of the technology, production, and market at home and abroad of 4,4'-diphenylmethane-diisocyanate (MDI) was summarized.
综述了国内外4,4’二苯甲烷二异氰酸酯(MDI)的工艺技术、生产及市场供需现状。
CONCLUSION: compound 1 was a new diphenylmethane derivative, and compounds 2-6 were isolated from the genus Uvaria for the first time.
结论:化合物1是一个新的二苯甲烷类衍生物,化合物2 - 6皆为紫玉盘属植物中首次分到。