• 烷基聚糖进行X射线光电子能谱分析表明随着卤代烷试剂反应活性的增高,发生壳聚糖羟基烷基反应增多。

    X-ray photoelectron spectroscopy (XPS) indicated that the higher reaction activity of alkyl halide, the more alkyl substitution degree on hydroxyl group of chitosan.

    youdao

  • 加成反应制备烷,工艺流程简单,原料经济,收率高,易实现工业

    Preparing cyclopentane halide by the addition reaction of cyclopentene with hydrogen halide is a simplified process with a high yield and can be used in a large scale.

    youdao

  • 加成反应制备烷,工艺流程简单,原料经济,收率高,易实现工业

    Preparing cyclopentane halide by the addition reaction of cyclopentene with hydrogen halide is a simplified process with a high yield and can be used in a large scale.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定