The SEM photos showed that there was polymer in the cell of wood treated by styrene and maleic anhydride but nothing in the cell of wood treated by epoxy chloropropane and maleic anhydride.

 
  • 马来酸酐/苯乙烯处理材的细胞腔中发现了有聚合物存在,而马来酸酐/环氧氯丙烷处理的木材中没有发现聚合物存在。
今日热词
目录 附录 查词历史