The results showed that pine needle contains kaempferide andpercent 22 % before hydrolyze, 0.42 % after hydrolyze.结果表明,松针中含有山奈素,且水解前22%,水解后的含量为0.42%....
在音乐会上, 有三首钢琴独奏曲.In the concert, there are three piano solos.音乐演奏节目单上有两支钢琴独奏曲.There are two piano solos on the musical bill of fare.爱是人生的和弦, 不是孤单的独奏曲.Love is a chord in life, not a solo....