例句 /

Conversion rate of lanolin in propyl alcohol reached 7 .% after reacting for h. It was as high as the conversion rate after reacting 8 h under atmospheric pressure without the solvent.

Conversion rate of lanolin in propyl alcohol reached 7 .% after reacting for h. It was as high as the conversion rate after reacting 8 h under atmospheric pressure without the solvent.

选择正丙醇作为溶剂 ,反应 h后的转化率为 7 %,可以达到常压一步法反应 8h所达到的转化率。