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benzoic acid

B 开头单词

音标发音

  • 英式音标 [benˌzəʊ.ɪk ˈæs.ɪd]
  • 美式音标 [benˌzoʊ.ɪk ˈæs.ɪd]
  • 英式发音
  • 美式发音

基本解释

  • [有化] 苯甲酸

同根派生

     

英汉例句

    双语例句

  • The production technologies of phenol are briefly introduced, i. e. method based on cumin, toluene-benzoic acid based method, and direct oxidation of benzene.
    简要介绍了苯酚的几种生产工艺，异丙苯法、甲苯-苯甲酸法和苯直接氧化法。
  • Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification ofp-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.
    以对甲苯磺酸为催化剂，对二甲氨基苯甲酸和异丁醇为原料合成对二甲氨基苯甲酸异丁酯。
  • The thermodynamic parameters of carboxylic group and titrable phenolic hydroxyl group of humic acid are similar to that of simple hydroxy-benzoic acid.
    腐植酸的羧基和可滴定的酚羟基在热力学性质上同简单的羟基苯羧酸相似。

词组短语

    短语

  • Benzoic c acid 苯甲酸;苯酸;天然的化妆品防腐剂
  • benzoic -acid 二氯
  • Benzoic &acid 苯甲酸钠
  • Benzoic c acid methylester 苯甲酸甲酯
  • benzoic acidbenzoic acid 苯甲酸

英英字典

    剑桥英英字典

  • a clear substance found in various resins and berries, used in food preservatives, medical and cosmetic products, etc.

    • 柯林斯英英字典

  • a white crystalline solid occurring in many natural resins, used in the manufacture of benzoates, plasticizers, and dyes and as a food preservative (E210). Formula: C6H5COOH (Systematic name benzenecarboxylic acid)

专业释义

    化学

  • 苯甲酸

    Catalysts for hydrogenation of benzoic acid to chlorine-free benzaldehyde were prepared by co-precipitation method.
    运用共沉淀法制备了锌锰复合纳米催化剂,并用于气相催化加氢苯甲酸合成无氯苯甲醛。

  • 苯酸
  • 安息酸
  • 安息香酸
  • 苄酸

    • 医药科学

  • 苯甲酸

    Objective:To determine the content of benzoic acid in drugs of oral liquid by HPLC.
    目的:采用高效液相色谱法测定口服液类药品中防腐剂-苯甲酸含量。

    生物学

  • 苯甲酸
  • 安息香酸