• 蹄中用提取得到一种糖,并用高碘酸氧化方法确定结构

    An alkaline soluble polysaccharide has been isolated by the alkaline extraction from phellinus Linteus. Its structure has been determined by periodate oxidation, etc.

    youdao

  • MPIR鉴定结果判定,白色粉末状物为倒千里光-活性结合的季铵盐

    The white powder was quatermary salt of retronecine ester identified by MP, IR.

    youdao

  • MPIR鉴定结果判定,白色粉末状物为倒千里光-活性结合的季铵盐

    The white powder was quatermary salt of retronecine ester identified by MP, IR.

    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