Under optim un conditions including tem perature,catalyst and feed ratio,the yield oflight stabilizer 944 interm ediary is upto 76% .

 
  • 如以骨架鎳為催化劑,在優(yōu)化的條件下光穩定劑944中間體的收率可達76%25以上。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan