When the ink absorption mechanism on organic ink absorbent wasstudied, the theory about hydrogenous bond force, directional force andpolar force illustrated that the ink absorption property of poly(vinylalcohol) modified by acryl amide was the best.

 
  • 在對有機類(lèi)吸墨劑吸墨機理探討時(shí),從氫鍵力、定向力和極性力等方面解釋了在未改性的 PVA,AM 改性的 PVA 及 AA 改性的 PVA 中,AM 改性的聚乙烯醇的吸墨性能最好。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan