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用荧光光度法测定苯二酚异构体中的邻苯二酚。Catechol was determined in the phenyl dihydroxide isomers by fluorophotometry.

反应体系中加入高介电常数的溶剂不利于邻苯二酚的叔丁基化。The addition of solvent with high dielectric-constant would retard catechol tert-butylation.

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钉螺酚氧化酶对邻苯二酚的亲和力近似于L-多巴，两者均高于对焦性没食子酸的亲和力。The affinity of PO with catechol is near to that with L-DOPA, both are higher than pyrogallol.

经过文库检验，以邻苯二酚为显色指示剂从文库中筛选到阳性转化子。After gene library tested, we screened positive transformants using catechol as color indicator.

米氏方程显示PPO与邻苯二酚有极强的亲和力。The Michaelis-Menten equation showed that there was a strong co-relationship between PPO and catechol.

介绍了儿茶酚的性质、制备方法及应用情况，并对其市场前景进行了展望。The property, preparation and application of catechol were introduced. Its market prospects were analyzed.

结论该方法用于废水中邻苯二酚含量的测定，结果满意。Conclusion This method can be used for determination of trace catechol in waste water with satisfactory results.

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目的研究废水中邻苯二酚的动力学光度分析法。Objective To establish a kinetic spectrophotometric method for the determination of trace catechol in the waste water.

多环芳烃降解菌的筛选、鉴定，降解特性及邻苯二酚-2，3-双加氧酶的初步研究。Isolation, Identification and Characteristics of PAHs-degrading Bacteria and Preliminary Study on Catechol 2, 3-Dioxygenase.

利用土豆组织构建了测定啤酒中邻苯二酚含量的安培型生物传感器。An amperometric biosensor has been fabricated based on potato tissue and carbon paste for the determination of catechol in beer.

丙烯酸、邻苯二酚的最佳抑制细菌分别是金黄色葡萄球菌和酵母菌。The acrylic acid, the catechol best suppression bacterium respectively is the golden yellow staphylococcus and the saccharomycetes.

钉螺去壳，取软体组织通过匀浆、离心分别获取粗制酶液，以邻苯二酚为底物用比色法测定各组酶活力，结果进行方差分析。By using colorimetric method with catechol as substrate, PO activities of these groups were detected and results were compared by variance analysis.

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综合分析了国内邻苯二酚供需、生产和进出口等状况，对今后生产与消费趋势进行了预测。The production, demand, import and export of pyrocatechol in China were analyzed, and the future production and consumption of catechol were predicted.

通过对不同底物对内胞霉PPO酶促反应速度的影响研究证实橡单宁的降解不仅与单宁酶有关还与多酚氧化酶有关。By using model compound, catechol and pyrogallol, it was verified that at least both tannase and PPO were involved during degradation of tannins by the strain.

水杨酸羟化酶是细菌萘降解途径中的关键酶，它能催化水杨酸脱羟和羟化，生成儿茶酚。The salicylate hydroxylase, a important enzyme in bacterial naphthalene degradation pathway, catalyzes the decarboxylative hydroxylation of salicylate to form catechol.

介绍了邻苯二酚的合成方法，综述了在催化剂作用下过氧化氢直接氧化苯酚法合成邻苯二酚的技术进展。The synthetic methods of catechol are introduced. The progress of technique for synthesis catechol by direct oxidation phenol at action of H 2O 2 in catalyst is reviewed.

本发明在单独以钒多酸盐为催化剂时，氧气为氧化剂，邻苯二酚类物质可以高选择性的转化成加氧开环产物。When only taking polyoxovanadate as the catalyst and oxygen as the oxidant, the catechol substance can be converted to oxygen-adding open loop products in high selectivity.

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以萘为底物生长时，ND6菌株的细胞提取液中既存在催化邻位裂解途径的儿茶酚1，2-双加氧酶活性，也存在催化间位裂解途径的儿茶酚2，3-双加氧酶活性。When naphthalene was used as a substrate for growth of strain ND6, catechol 1,2-dioxygenase and catechol 2,3-dioxygenase activities were both detected in their crude extract.

儿茶酚胺一种从苯磷二酚中获得的胺，具有神经传感和荷尔蒙的重要生理功能，包括。Any of a group of amines derived from catechol that have important physiological effects as neurotransmitters and hormones and include epinephrine, norepinephrine, and dopamine.

本发明属于氧化合成技术领域，公开了一种邻苯二酚类物质高选择性氧化和加氧开环的化学方法。The invention belongs to the technical field of oxidation synthesis and discloses a chemical method for high-selectivity oxidation and oxygen-adding open loop of catechol substance.