xylene mixture造句

• The field emission property of carbon nanotubes could be increased by substitution of nitrogen for some of carbon, however, however, that of bcn nanotubes was poor . 1 . study of disordered multi-wall carbon nanotube carbon nanotubes with different diameter distributions have been produced by thermal decomposition of a ferrocene-xylene mixture under different temperatures and different catalysts in an ar ( or n2 ) / h2 atmosphere
  结合透射电镜、扫描电镜及拉曼光谱，系统地研究了以钴二茂铁为催化剂时不同温度下、以及在860时，分别以钴二茂铁、镍二茂铁、钴、镍钴不同催化剂、不同保护气体对高温热解法制备的多壁碳纳米管结构、产率等的影响，对产物的形态、结构进行分析。