例句與造句

1. The optimum condition for synthesis of ethyl acetate catalyzed by expansible graphite was investigated through orthogonal test
   摘要通過正交實(shí)驗(yàn)研究了可膨脹石墨的催化合成乙酸乙酯的最佳條件。
2. The results showed that the reaction condition became milder over expansible graphite , but the esterification efficiency was lower than 40 %
   結(jié)果表明，在可膨脹石墨的催化下，酯化條件明顯緩和，但酯化產(chǎn)率較低，不到40 % 。
3. The catalytic mechanism of expansible graphite in esterification and the causes behind the lower esterification were discussed
   推斷了可膨脹石墨在乙酸乙酯合成中的催化作用機(jī)理，分析了可膨脹石墨催化乙酸乙酯合成產(chǎn)率偏低的原因。
4. It's difficult to find expansible graphite in a sentence. 用expansible graphite造句挺難的