丙烯水合醚化反应中有副产物丙酮生成，而异丙醇单独进料时产物中没有发现丙酮的生成。
It was shown that there was by product acetone in the products of propene hydration etherification, while there existed no acetone in the products of isopropanol dehydration reaction.
实验结果表明只有丙酮在此波长处可与水形成质子化团簇。
The results showed that only acetone can formed protonated cluster ions.
研究了以乙酰丙酮法作为光化学敏感反应、以硅胶颗粒作为载体而制得的可视化荧光甲醛传感器，并研究了其对甲醛的响应性能。
We report here the fluorescent sensor system for formaldehyde visualization, consisting of Nash reagent as formaldehyde recognition element and silica gel beads as its carrier.
以叔丁基过氧化氢(TBHP)为氧化剂，四丁基溴化铵(TBAB)为相转移催化剂，有效地将乳酸乙酯氧化合成丙酮酸乙酯，产品纯度达98%以上。
Ethyl pyruvate was synthesized from ethyl lactate using TBHP as oxidant and TBAB as phase transfer catalyst, the purity of product was over 98 %.
异丙苯法是苯酚、丙酮的代表性工业制备方法，主要由烃化、氧化、精制、回收四个工序组成。
The typical industrial technology of producing phenol was cumene process containing four steps: alkylation, oxidation, purification and recovering.
本发明的方法使得导致苯酚商品品质劣化的羟基丙酮的产率显著降低。
The proposed method permits a significant reduction in the yield of hydroxyacetone that causes deterioration in the quality of commercial phenol.
本发明的方法使得导致苯酚商品品质劣化的羟基丙酮的产率显著降低。
The proposed method permits a significant reduction in the yield of hydroxyacetone that causes deterioration in the quality of commercial phenol.
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