例句與造句

1. The progress of synthesis of silica - alumina catalysts with the range of the pore diameter increases from micropore to mesopore and application of sol - gel method are reviewed
   本文綜述了矽鋁催化材料合成方面的最新進展即所合成的催化劑的孔徑從微孔向中孔發(fā)展以及利用以溶膠凝膠法?代表的新制備技術(shù)。
2. The progress of synthesis of silica - alumina catalysts with the range of the pore diameter increases from micropore to mesopore and application of sol - gel method are reviewed
   摘要本文綜述了矽鋁催化材料合成方面的最新進展即所合成的催化劑的孔徑從微孔向中孔發(fā)展以及利用以溶膠凝膠法為代表的新制備技術(shù)。
3. It's difficult to find silica-alumina catalyst in a sentence. 用silica-alumina catalyst造句挺難的