sieve造句

• Synthesis and characterization of mesoporous molecular sieves h2so4 - sba
  15的合成与表征
• Modeling resistant coefficient for sieve plate column with matlab
  的板式塔阻力系数建模
• Synthesis of almcm - 48 mesoporous molecular sieves
  48介孔分子筛的合成研究
• Determination of bulk density for molecular sieve
  分子筛堆积密度测定方法
• Grading of diamond powder in sub - sieve sizes
  亚筛粒度中金刚石粉末的分级
• Synthesis of mcm41 molecular sieves and enlargement of pore size
  41的合成及其孔径的调节