naphthols

常见例句

• A method for the determination of 6 - bromo - 2 - naphthol and 2 - naphthol is described.
  采用高效液相色谱法同时测定了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.
  建立了一种同时检测萘酚同分异构体.;方法。
• Several prpduction methods, market demand and development of 2 - naphthol are introduced in this paper.
  本文着重介绍了2-萘酚的各种生产工艺及市场需求。
• The method is based on the catalytic effect of nitrite ion on the oxidation reaction of naphthol green B in a dilute medium.
  本文基于磷酸介质中亚硝酸根催化溴酸钾氧化萘酚绿B的褪色反应,建立了测定亚硝酸根的新方法。
• The experimental results showed that naphthol is easily oxidized in SCW and its main aromatic residues are o-phthalic acid and benzoic acid.
  实验表明：萘酚在实验条件下极易氧化分解，其主要芳环残留物为邻苯二甲酸和苯甲酸；
• The concentration of naphthol,mass flow(or residence time),and excess oxygen rate were the main factors which affect the decomposition of naphthol.
  反应温度、萘酚溶液的浓度及质量流量是影响萘酚氧化分解的主要因素；
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