• 一位化学家角度来看,许多有机化合物恶英肉毒毒素有毒物质,化钠等无机化合物则是无害甚至有益的。

    For a chemist, many organic compounds like dioxin and botulism toxin are extremely toxic, while inorganic compounds like sodium chloride or lithium are harmless or even beneficial.

    youdao

  • 与四反应合成聚合物的模型化合物唑啉。化合物元素分析、红外光谱质谱测试。

    Ti -containing imidazoline model compound was prepared by reacting o-phenylene diamine with titanium tetrachloride. The compound was identified by elemental analysis, IR and MS.

    youdao

  • 研究存在下邻硝基苯胺1,2 -碱性介质中一反应,快速方便、高收率地合成了一系列取代喹喔啉化合物

    In this paper, the one-pot reaction of aqueous titanium trichloride with o-nitroaniline and 1, 2-diketone compounds in basic media was studied.

    youdao

  • 标题化合物C24H22N2O2N-(4-羟基苯亚甲基)喹啉-5-胺和5,5-甲基-1,3-环己酮在化三乙基苄基铵(TEBAC)催化下以溶剂反应而得。

    The title compound C24H22N2O2 has been synthesized by the reaction of N-arylidenenaphthalen-2-amine with 5,5-dimethyl-1,3-cyclohexadione water catalyzed by triethylbenzylammonium chlorideTEBAC.

    youdao

  • 结果表明化钛脱除80%左右,碱氮的脱除率可达90%以上; 二氯化铜对碱性含化合物络合具有较高的选择性;

    The results show that the removal of nitrogen compounds by TiCl 4 complexing is about 80%, and 90% for that of basic nitrogen compounds.

    youdao

  • 制备了以超细氧化硅为载体氰乙基化可溶性蛋白质-催化剂,研究了三丁基锡氢化物氯化合物偶联反应的催化活性。

    Silica supported cyanoethylated soluble protein-Pd has been prepared and its catalytic activity in the cross-coupling reaction of tributyltin hydride and acid chlorides was studied.

    youdao

  • 制备了以超细氧化硅为载体氰乙基化可溶性蛋白质-催化剂,研究了三丁基锡氢化物氯化合物偶联反应的催化活性。

    Silica supported cyanoethylated soluble protein-Pd has been prepared and its catalytic activity in the cross-coupling reaction of tributyltin hydride and acid chlorides was studied.

    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