• 三氟碘甲烷具有良好环境性能安全性能灭火、制冷、发泡医药等领域有着广阔的应用前景

    FIC-1311 has well protected environment, showing that which have good application prospects in the extinguishing, refrigeration, foam blowing agents, and medication.

    youdao

  • 化合物(6)氮相连的活泼氢原子可能某些反应不利影响,故用碘甲烷进行甲基取代得到新的性胍—化合物(7),并做了表征。

    The active hydrogen in the compound (6) might take negative effect in some reactions and was substituted by a methyl to get compound (7) which was a new chiral guanidine.

    youdao

  • 碱熔使海带中的i-形式转移到溶液中,然后酸性条件下用过氧化氢氧化,三氯甲烷萃取分光光度标准曲线法测得海带含量大约为426。

    I - was obtained from the kelp by alkali fusion, then oxidized by H2O2 in acidic solution, thus we can determine the iodine content by extraction spectrophotometry, which is about 426.

    youdao

  • 碱熔使海带中的i-形式转移到溶液中,然后酸性条件下用过氧化氢氧化,三氯甲烷萃取分光光度标准曲线法测得海带含量大约为426。

    I - was obtained from the kelp by alkali fusion, then oxidized by H2O2 in acidic solution, thus we can determine the iodine content by extraction spectrophotometry, which is about 426.

    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