It has discovered that trace dimethyl glyoxime can sensitivly catalyize the discoloration of dimethyl yelloue by potassium bromate in sulphuric acid.

研究发现，在硫介质中，超痕量二二醛肟能灵敏地加速溴钾氧化二黄褪色的应。

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

以尿素和二醛为原料,在催化的条件下合成了甘脲,产率为61.8%。