• 论文主要研究了四氢原料合成吡啶工艺

    The process for the synthesis of pyridine using tetrahydrofurfuryl alcohol (THFA) as material was researched in this article.

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  • 四氢硼钠己烷甲苯溶剂中,不易引发丙烯酸第三丁酯的聚合反应,吡啶四氢呋喃中能引发聚合,亦得到非晶态聚合物

    NaBH4 in hexane or toluene would not initiate the polymerization unless pyridine or THF was used as solvent, but an amorphous polymer was the product.

    youdao

  • 采用毛细管气相色谱法,以外标测定枸橼酸托琼中乙醇二氯甲烷氯仿四氢呋喃、二烷、吡啶甲苯的含量,用串联的HP -1 0。

    A simple capillary GC method for the determination of residual ethanol, dichloromethane, chloroform, tetrahydrofuran, 1, 4 dioxane, pyridine and toluene in tropisetron citrate was established.

    youdao

  • 采用毛细管气相色谱法,以外标测定枸橼酸托琼中乙醇二氯甲烷氯仿四氢呋喃、二烷、吡啶甲苯的含量,用串联的HP -1 0。

    A simple capillary GC method for the determination of residual ethanol, dichloromethane, chloroform, tetrahydrofuran, 1, 4 dioxane, pyridine and toluene in tropisetron citrate was established.

    youdao

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