naphthols

常見例句

• A method for the determination of 6 - bromo - 2 - naphthol and 2 - naphthol is described.
  采用高效液相色譜法同時測定了6-嗅-2-萘酚和2-萘酚的含量。
• A fast and convenient analytical technique was suggested to detect naphthol isomers directly and simultaneously.
  建立了一種同時檢測萘酚同分異構(gòu)體.;方法。
• Several prpduction methods, market demand and development of 2 - naphthol are introduced in this paper.
  本文著重介紹了2-萘酚的各種生產(chǎn)工藝及市場需求。
• The method is based on the catalytic effect of nitrite ion on the oxidation reaction of naphthol green B in a dilute medium.
  本文基于磷酸介質(zhì)中亞硝酸根催化溴酸鉀氧化萘酚綠B的褪色反應(yīng),建立了測定亞硝酸根的新方法。
• The experimental results showed that naphthol is easily oxidized in SCW and its main aromatic residues are o-phthalic acid and benzoic acid.
  實驗表明：萘酚在實驗條件下極易氧化分解，其主要芳環(huán)殘留物為鄰苯二甲酸和苯甲酸；
• The concentration of naphthol,mass flow(or residence time),and excess oxygen rate were the main factors which affect the decomposition of naphthol.
  反應(yīng)溫度、萘酚溶液的濃度及質(zhì)量流量是影響萘酚氧化分解的主要因素；
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