• Abstract : A process for extraction of absolute oil from Sichuan 'paste' tobacco was optimized through single factor test and orthogonal test with n-hexane as extraction solvent.

    摘要 : 以四川原料,正己烷提取溶剂,在因素试验基础上再正交试验优化‘糊烟’净提取工艺

    youdao

  • Premium special solvent oil has been produced from kerosene fraction with LK-1 hydrogenation catalyst and single-stage hydrogenation process developed by LPECRI.

    煤油馏分为原料,采用洛阳石油化工工程公司工程研究院开发LK 1型加氢催化剂单段加氢工艺可生产出优质环保型特种溶剂油。

    youdao

  • Premium special solvent oil has been produced from kerosene fraction with LK-1 hydrogenation catalyst and single-stage hydrogenation process developed by LPECRI.

    煤油馏分为原料,采用洛阳石油化工工程公司工程研究院开发LK 1型加氢催化剂单段加氢工艺可生产出优质环保型特种溶剂油。

    youdao

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