benzoic acid

音標(biāo)發(fā)音

• 英式音標(biāo) [ben?z??.?k ??s.?d]
• 美式音標(biāo) [ben?zo?.?k ??s.?d]
• 英式發(fā)音
• 美式發(fā)音

基本解釋

• [有化] 苯甲酸

同根派生

• benzoic acid相關(guān)詞

英漢例句

雙語(yǔ)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(jiǎn)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(duì)甲苯磺酸爲(wèi)催化劑，對(duì)二甲氨基苯甲酸和異丁醇爲(wèi)原料郃成對(duì)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(xué)性質(zhì)上同簡(jiǎn)單的羥基苯羧酸相似。

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詞組短語(yǔ)

短語(yǔ)

• 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更多詞組

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劍橋字典
• benzoic acid柯林斯字典

專業(yè)釋義

化學(xué)

• 苯甲酸

  Catalysts for hydrogenation of benzoic acid to chlorine-free benzaldehyde were prepared by co-precipitation method.
  運(yùn)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(wú)氯苯甲醛。

• 苯酸
• 安息酸
• 安息香酸
• 芐酸

毉葯科學(xué)

• 苯甲酸

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

  生物學(xué)

• 苯甲酸
• 安息香酸