Recombinant plasmid pDAlllS was constructed by inserting 1.7 kb aprA into the Nrul site of aveD.将1.7kb安普霉素抗性基因aprA插入aveD的 NruI位点,得pDA1118.Aati - tumors : The dye lignin has the cytotoxin activeness to the human boby rhin...
eclectic tastes广泛的爱好...a spoiled aristocrat with pretentious airs and esoteric tastes.自命不凡、品位刁钻且被惯坏了的贵族成员A good medicine tastes bitter.良药苦口,忠言逆耳。...hundreds of cheeses, in a mouth-watering variety of shapes, textures and...
Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The rate of hydrolysis is for the most part significantly lower than the esterification rate.多数情况下水解速度较酯化速度低得多.The esterification of xylitol and o...