And calculated the N - acetyl H acid content with the aid of diazotization analytical method.H酸用重氮法分析,从而计算出乙酰H酸的含量.We compared the response types are good at: alkylation, oxidation, reduction, diazotization, such as halo...
I'm just going to be hanging around twiddling my thumbs.我只会闲呆着，什么事也不做。He got sick of hanging around waiting for me...他等我都等烦了。The White House is hanging tough for a good agreement to be reached.白宫为达成一项有利协议寸步不让。...a g...
他是一些歌曲的作者和一位出色的指挥者, 也是一位能即兴作诗的人.He was a composer of songs and a wonderful conductor, a man who could improvise lines on the moment.乐团由一位指挥者指挥.The orchestra is led by a conductor.他们赋与将军指挥者的权力.They set the general up as a...