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介绍了乙二醛硝酸氧化法、空气或氧气氧化法以及双氧水氧化法合成乙醛酸的研究进展,提出了今后的发展方向。
The progress in the synthesis of glyoxylic acid by glyoxal nitric acid oxidation, air or oxygen oxidation and hydrogen peroxide oxidation is introduced. The future development is also proposed.