Ascorbic acid and ammonium dihydrogen phosphate solution were used as the matrix modifier.

  • 采用抗坏血酸和磷酸二氢铵作混合基体改进剂,热解涂层石墨管,塞曼扣背景.

  • 网络文摘精选 2025-01-18 17:31:13

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