• 呋喃呋喃醋酸乙烯酯列为可能人类致癌

    Furan, benzofuran, and vinyl acetate were classified as possibly carcinogenic to humans.

    youdao

  • 研究表明醋酸作催化剂不仅可以使二甲烷转化率增加而且可使反应速度加快。

    The results show that the application of iron acetate catalyst can not only promote diphenylmethane conversion, but also accelerate the reaction rate.

    youdao

  • 所述有机酸醋酸草酸甲酸磺酸中的任一

    The said organic acid is one of the kinds such as acetic acid, oxalic acid, formic acid and monosulfonic acid.

    youdao

  • 甲酸二甲酯甲酸二配合用于醋酸纤维素的薄膜透明模塑粉等制作中

    Phthalic acid dimethyl phthalate two two and two formic acid ethyl ester two for cellulose acetate film, transparent paper and molding powder production.

    youdao

  • 论文主要研究醋酸氮杂环化合物合成有机基元反应中的应用

    In this article, we focus our research on iodobenzene diacetate applied in the syntheses of N-containing heterocycles and elementary organic reactions.

    youdao

  • 氧基乙酮间溴醋酸催化下以高产合成

    Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.

    youdao

  • 对甲磺酰含水的乙腈中与聚乙烯二醋酸温和条件下反应得到高产率的酮。

    Reaction of tosylhydrazones of ketones with CPSID in wet acetonitrile affords the corresponding parent ketones in excellent yields under mild conditions.

    youdao

  • 方法采用了薄扫描,以-丙酮-醋酸乙酯-浓(2∶3∶4∶0.2)展开碘化试液

    Method:Thin layer scan used benzene-acetone-ethel acetate-strong ammonia solution(2:3:4:0.2) as a dose, diluted iodized bismuth potassium solution Hin color agent for;

    youdao

  • 一部分为二醋酸离子及联咪唑促进下的1,3-二羰基化合物砜的反应研究。

    For the first part, we stressed reactions of sulphoxide with 1,3-dicarbonyl compounds promoted by Cu(OAc)2·H2O, 2,2′-biimidazole and iodobenzene diacetate.

    youdao

  • 一部分为二醋酸离子及联咪唑促进下的1,3-二羰基化合物砜的反应研究。

    For the first part, we stressed reactions of sulphoxide with 1,3-dicarbonyl compounds promoted by Cu(OAc)2·H2O, 2,2′-biimidazole and iodobenzene diacetate.

    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