The experimental result showed that the mainly chemistry elements of the wool surface were C,N and O.

 
  • 测试结果表明:经过氧化改性的毛纤维表面增加了锰元素,氯化改性后的毛纤维表面增加了钠、氯和硫元素。
今日热词
目录 附录 查词历史