英语释义

1. catechol sense 2

2. a crystalline phenol C6H6O2 obtained by pyrolysis of various natural substances (as resins and lignins) but usually made synthetically and used especially as a photographic developer and in organic synthesis — called also catechol

片语

Pyrocatechol violet[分化]

Pyrocatechol sulfonephthalein邻苯二酚磺酞

pyrocatechol diacetate邻苯二酚二乙酸酯

pyrocatechol oxidase邻苯二酚氧化酶

Pyrocatechol VioletCAS邻苯二酚紫

Pyrocatechol violetIND邻苯二酚紫

isobutylene pyrocatechol异丁烯邻苯二酚

ethylenediamine pyrocatecholEthylenediamine pyrocatechol (EDP), also known as ethylenediamine-pyrocatechol-water (EPW), is an anisotropic etchant solution for silico A typical formulation consists of ethylenediamine, pyrocatechol, pyrazine and water.

buy Pyrocatechol巴基斯坦买家

英汉例句

• Treatment of waste water containing pyrocatechol catalyzed by horseradish peroxidase ( HRP ) was studied.

  研究了用辣根过氧化物酶催化处理邻苯二酚废水的效果。

• These small dosages of pyrocatechol seem not to affect tricalcium silicate (C3S) hydration.

  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。

• Using the orthogonal test , the synthesis of pyrocatechol and hydroquinone by catalytic oxidation of phenol by inorganic salts has studied.

  采用正交试验的方法，研究了在无机盐催化剂作用下苯酚双氧水直接氧化制取邻、对苯二酚的合成技术。

• The synthetic methods of pyrocatechol were introduced. The main production method at present is phenol hydroxyl hydrogen peroxide method, and some advice was put forward.

  介绍了邻苯二酚的合成方法，目前其主要的生产方法为苯酚过氧化氢羟基化法，并提出了一些发展建议。

• The inhibition of pyrocatechol on sulfite oxidation was investigated by oxygen removal and air oxidation tests.

  通过除氧试验和空气氧化试验，研究了焦儿茶酚对亚硫酸盐自动氧化的阻滞作用。

• Market prospect and production methods for pyrocatechol and hydroquinone are reviewed.

  概述邻苯二酚、对苯二酚的市场前景、生产方法。

• 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.

  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。

• The production, demand, import and export of pyrocatechol in China were analyzed, and the future production and consumption of catechol were predicted.

  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 and consumption situation of pyrocatechol were analysed in country and abroad.

  分析了国内外邻苯二酚生产和消费状况。