The aromatics extraction principles and process outlines,the features of sulfolane and the measures on protection of sulfolane from oxidization and degradation were discussed in this paper.

　
英 美
  • 敘述了芳烴抽提原理及工藝概況、環(huán)丁砜溶劑的特點(diǎn)、環(huán)丁砜氧化降解給芳烴生產(chǎn)帶來(lái)的危害,提出了環(huán)丁砜的保護措施。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan