dichloropropane相关论文
The title catalyst was prepared by the sol-gel method. Thesurface composite, structure, specific area and catalytic beha......
用HP-5毛细管色谱柱测定甲乙酮生产过程中产生的重质副产物组分的含量,研究了其测定条件,并对分离后的组分用质谱方法进行定性,按照确......