Decreasing light intensity, the degradation of acetaldehyde and toluene both decreased.
光通量减弱使乙醛和甲苯的降解率均下降。
Higher content of acetaldehyde and higher alcohols were the key reasons of headache after beer drinking.
乙醛及高级醇的含量高是啤酒上头的主要原因。
The authors find that the addition of appropriate amount of acetaldehyde to replace a part of formaldehyde distinctly improves the properties of the acetal adhesive.
作者发现，在反应中加入适量乙醛代替部分甲醛、可明显提高缩醛胶的性能。
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