• 丁基阳离子可以提高电流效率,但电流效率增加值不受浓度变化的影响。

    The current efficiency that could be improved by using tetrabutylammonium cations nearly retained the same performance at different concentrations of the said reagent.

    youdao

  • 研究了硫酸-四丁基铵TBAB)-水体系萃取分离行为及其常见离子的分离条件

    The extraction separation behaviour of lead with(NH4)2SO4-tetrabutylammonium bromide(TBAB)-H2O system and the conditions for the separation of lead with other metal ions are studied.

    youdao

  • 电流解法研究四丁基氢氧化和不同阴离子草酸电解还原过程中的作用

    Constant current electrolysis was used to study the effect of tetrabutylammonium salt on the reduction of oxalic acid.

    youdao

  • 以叔丁基过氧化氢(TBHP)氧化剂四丁基溴化(TBAB)为转移催化剂,有效地将乳酸氧化合成丙酮酸乙酯,产品纯度达98%以上。

    Ethyl pyruvate was synthesized from ethyl lactate using TBHP as oxidant and TBAB as phase transfer catalyst, the purity of product was over 98 %.

    youdao

  • 混合模板四丁基氢氧化氢氧化比例发生变化时,会影响TS-1晶体纯度

    The mole ratio of tetrabutylammonium hydroxide to tetraethylammonium hydroxide in mixed templates affected the purity of TS-1 crystal obviously.

    youdao

  • 通过添加适量四丁基溴化转移催化剂使用过量的亚磷酸二异丙补偿强碱环境中的水解,从而提高了反应产率

    The yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.

    youdao

  • 采用转移催化四丁基氯化催化剂合成了含磺胺嘧啶的聚乳酸,将肿瘤导向团引入了可生物降解药物载体

    Sulfadiazine-polylactide, a tumor targeting drug carrier, was successfully synthesized by the phase transfer catalysis(PTC)with tetrabutyl ammonium chloride hydroxide as catalyst.

    youdao

  • 苯酚乙酸原料丁基为催化剂合成了苯氧乙酸,收率96 2 %。

    Phenoxyacetic acid was synthesized with phenol and chloroacetic acid as raw material and tetrabutylammonium iodide as catalyst, the yield can reach 96.2%under the optimun conditions.

    youdao

  • 样品四丁基溴化二氯甲烷离子萃取方法相离子对色谱分离联用,水体芳香族磺酸盐的检测提供了可靠的监测手段

    The combination of ion-pair extraction technology with reversed-phase ion-pair chromatography method provide a effective inspection measure for the sulfonates in water.

    youdao

  • 实验结果表明:本体系中转移催化剂催化效率三乙氯化大于四丁基溴化溴化

    The results show that catalytic efficiency of the phase transfer catalyst BETAC is higher than TBAB, and TBAB is nearly as efficient as TEBA.

    youdao

  • 四丁基溴化溴化催化效率相当;采用2相转移催化剂的催化效率大于采用4克催化剂的催化效率;随高锰酸钾用量增加而增加

    The effects of 2 g PTCs used are better than those of 4 g PTCs, and the yield of azelaic acid is raised as the amount of potassium permanganate increases.

    youdao

  • 为底物,通过丁基三溴化(TBATB)氧化原位生成亚胺转化为化产物。

    Nitriles were obtained from aldehydes through oxidation of in situ formed the corresponding aldimines using tetrabutylammonium tribromide (TBATB).

    youdao

  • 为底物,通过丁基三溴化(TBATB)氧化原位生成亚胺转化为化产物。

    Nitriles were obtained from aldehydes through oxidation of in situ formed the corresponding aldimines using tetrabutylammonium tribromide (TBATB).

    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