分析了国内外邻苯二酚生产和消费状况。
The production and consumption situation of pyrocatechol were analysed in country and abroad.
邻苯二酚的含量对此溶解度有明显影响。
The pyrocatechol content of EPW solution affects the solubility obviously.
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.
概述邻苯二酚、对苯二酚的市场前景、生产方法。
Market prospect and production methods for pyrocatechol and hydroquinone are reviewed.
研究了用辣根过氧化物酶催化处理邻苯二酚废水的效果。
Treatment of waste water containing pyrocatechol catalyzed by horseradish peroxidase ( HRP ) was studied.
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.
PHEA2除了能够降解苯酚外，还能降解苯甲酸盐和邻苯二酚。
Except to degrading phenol, PHEA 2 can degrade benzoate and catechol too.
而这些小剂量的邻苯二酚好像对硅酸三钙(C3S)的水化没有影响。
These small dosages of pyrocatechol seem not to affect tricalcium silicate (C3S) hydration.
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.
苯酚、邻苯二酚和对苯二酚都是重要的精细化工中间体，具有很高经济价值。
Phenol, Catechol and hydroquinone are important fine chemical intermediates and of high economical value.
前人研究表明细菌降解苯环类化合物有邻苯二酚、龙胆酸、原儿茶酸等途径。
The former researches have indicated that bacteria degrade aromatic compound through several paths such as brenzcatechin pathway, gentisic acid pathway and dihydroxy benzoic acid pathway.
探讨了HPLC法同时分析水中苯酚、对苯二酚、间苯二酚和邻苯二酚混合物的条件。
The simultaneous analysis conditions of phenol, hydroquinone, hydroxyphenol and odi-hydroxybenzene mixture by HPLC were discussed.
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.
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.
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.
讨论了支持电解质种类、酸度等对邻苯二酚和对苯二酚伏安响应的影响，获得了较为优化的实验条件。
The effect of the type and acidity of electrolytes and the optimum conditions for the simultaneous determination of o-benzenediol and p-benzenediol were studied.
着重介绍用过氧化氢和过氧化羧酸作羟基化剂，使苯酚羟基化生成邻苯二酚和对苯二酚的研究开发进展。
Research and development for fhe production of pyrocatechol and hydroquinone by reaction of phenol with hydrogen peroxide and percarboxylic acid as hydroxylating reagent are introduced.
以合成的纳米四氧化三铁为催化剂，过氧化氢为氧化剂，催化氧化含邻苯二酚的模拟废水和含邻甲苯酚的工业废水。
The nano-sized particles of Fe3O4 were used as catalysts for degradation of the catechol simulated wastewater and o-cresol industrial wastewater with hydrogen peroxide in the oxidation.
高效液相色谱分析结果表明：光催化降解苯酚溶液的产物有对苯二酚、邻苯二酚、苯醌、顺丁烯二酸和反丁烯二酸等。
The HPLC analysis results indicate that the products of photocatalytic degradation of phenol solution include hydroquinone, catechol, benzoquinone, maleic acid, fumaric acid and so on.
前言：以邻苯二酚和二氯甲烷为原料，二甲亚砜为溶剂，在碱性条件下合成1，2-亚甲二氧基苯，产品收率达到73.4%；
2-(methylenedioxy)benzene is synthesized by using catechol, dichloromethane and dimethylsulfoxide with the condition of alkali and normal pressure. Overall yield of the process is 73.4%.
测定了降解途径中相关酶的活性，表明对氯苯胺经过苯胺双加氧酶初始氧化和羟基化后，芳环的裂解是由邻苯二酚2 ，3双加氧酶催化。
Enzymatic analysis show that initial reactions ofp-chloroaniline degradation by Diaphorobacter sp. PCA039 are catalyzed by aniline dioxygenase and chlorocatechol 2,3-dioxygenase.
测定了降解途径中相关酶的活性，表明对氯苯胺经过苯胺双加氧酶初始氧化和羟基化后，芳环的裂解是由邻苯二酚2 ，3双加氧酶催化。
Enzymatic analysis show that initial reactions ofp-chloroaniline degradation by Diaphorobacter sp. PCA039 are catalyzed by aniline dioxygenase and chlorocatechol 2,3-dioxygenase.
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