沥青 pitch; asphalt; bitumen; mineral resin; dacholeum; goudron; chian; pez; peucin ... 地沥青 土沥青 earthpitch ..
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goudron de lignite 褐煤焦油
séparateur de goudron 焦油分离器
goudron végétal 植物焦油
goudron highway 沥青路
béton de goudron 焦油沥青混凝土
When the coupling agent was affiliated in the reacting system, the color of liquid didn't become black and the goudron was not discovered in the final product. It achieved a clean catalytic hydroxylation result.
当加入一定量的偶合反应试剂后，溶液始终不变黑，最终产物中也没有焦油产生，达到了清洁催化氧化的效果。
参考来源 - 邻甲酚绿色催化羟化研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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