Synthesis of o phenylenediamine from o nitroaniline by catalytic hydrogenation at lower pressure was studied.

  • 以邻硝基苯胺为原料,采用低压催化加氢还原技术合成邻苯二胺.

  • 互联网摘选 2025-01-20 12:30:15

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句