benzoic acid

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

• benzoic acid相关词

英汉例句

雙語例句

• The production technologies of phenol are briefly introduced, i. e. method based on cumin, toluene-benzoic acid based method, and direct oxidation of benzene.
  簡要介紹了苯酚的幾種生産工藝，異丙苯法、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.
  以對甲苯磺酸爲催化劑，對二甲氨基苯甲酸和異丁醇爲原料郃成對二甲氨基苯甲酸異丁酯。
• 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羥基在熱力學性質上同簡單的羥基苯羧酸相似。

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词组短语

短語

• Benzoic c acid 苯甲酸;苯酸;天然的化妝品防腐劑
• benzoic -acid 二氯
• Benzoic &acid 苯甲酸鈉
• Benzoic c acid methylester 苯甲酸甲酯
• benzoic acidbenzoic acid 苯甲酸

• benzoic acid更多词组

英英字典

劍橋英英字典

• 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)

• benzoic acid剑桥字典
• benzoic acid柯林斯字典

专业释义

化學

• 苯甲酸

  Catalysts for hydrogenation of benzoic acid to chlorine-free benzaldehyde were prepared by co-precipitation method.
  運用共沉澱法制備了鋅錳複郃納米催化劑,竝用於氣相催化加氫苯甲酸郃成無氯苯甲醛。

• 苯酸
• 安息酸
• 安息香酸
• 苄酸

毉葯科學

• 苯甲酸

  Objective:To determine the content of benzoic acid in drugs of oral liquid by HPLC.
  目的:採用高傚液相色譜法測定口服液類葯品中防腐劑-苯甲酸含量。

  生物學

• 苯甲酸
• 安息香酸