Water soluble hydroxypropyl ? ? cyclodextrin was converted to acetonyl hydroxypropyl ? ? cyclodextrin via selective oxidation.通過選擇性氧化,將水溶性優良的羥丙基β環糊精轉化為丙酮基羥丙基β環糊精....
300 tons of Peruvian mangoes were kept from entering France.300噸秘魯芒果被禁止進入法國。...the high, fertile valleys of the Peruvian Andes.秘魯安第斯山脈富饒肥沃、海拔甚高的山谷...the peasants in the Peruvian highlands...秘魯高地的農民Couples are breaking up...