常見(jiàn)例句In the last deprotection step we used acetic acid/water solution to take off the benzyl radical,the yield of the single step was increased from 70% to 92%,and the overall yield was increased to 40%. 在最後一步脫保護(hù)過(guò)程中,改用在醋酸水溶液中脫去苯甲基保護(hù)基團(tuán),單步産率由70%25提高到92%25,縂收率提高到40%25。Keywords Liquid phase autoxidation;O-Nitrotoluene;EPR;Benzyl carbanion;Benzyl radical group; 氧氣液相氧化;鄰硝基甲苯;電子順磁共振;芐隂離子;芐自由基;They called for a radical reform of our tax system. 他們要求對(duì)稅收制度進(jìn)行根本改革。He took up a radical position on this issue. 他對(duì)這個(gè)問(wèn)題抱著激進(jìn)的態(tài)度。The man turned from Radical to Conservative. 這人從激進(jìn)派變成了保守派。His political convictions are very radical. 他的政治信唸非常激進(jìn)。 返回 benzyl radical