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
英漢例句
- 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(wèi)催化劑,對二甲氨基苯甲酸和異丁醇爲(wèi)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(xué)性質(zhì)上同簡單的羥基苯羧酸相似。
雙語例句
詞組短語
- 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
短語
英英字典
- a clear substance found in various resins and berries, used in food preservatives, medical and cosmetic products, etc.
- 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)
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 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
- 芐酸
- 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(xué)
- 苯甲酸
- 安息香酸