查询词典 bleaching agent

In the North Ordos basin the sandstone-type uranium deposits developing in the system of sandstone beds of sedimentary facies of braided river course in Midde Jurassic Series,at the same time it happen some show of ore:the alteration zone of chloritization,bleaching decoloration and carbouation of epigenetic alteration,which show of ore are immediate and indirect for uranium mineralizing process.

摘 要：发育于内蒙古鄂尔多斯盆地北部中侏罗统直罗组辫状河相杂砂岩体内的砂岩型铀矿，有一系列较为特殊的与放射性铀成矿有直接或间接关系的成矿地质现象：绿色化蚀变带、漂白退色化带、二次胶结钙化砂岩团块及钙化砂岩断续层与&钙化木&后生蚀变现象；在与铀矿化和与油气的关系认识上存在一定分歧。

By infrared spectra and ultraviolet spectra, mechanism of bio-bleaching was studied preliminarily. The result showed that the content of chromophoric group and lignin in bleached pulps was decreased by enzyme process.

通过红外光谱和紫外光谱研究了生物预处理的漂白机理，结果表明：酶处理可减少漂后纸浆中发色基团和木素的相对含量。

Enzyme treatment of ramie fibers removed 40% of itshemicellulose and some chromophoric material which resulted in a brightnessincrement of 5.2% and boosted the effect of 〓 bleaching.

酶处理能去除苧麻纤维中40％半纤维素和部分发色物，提高纤维白度5.2％，同时也能提升〓的漂白效果。

Original oils, in addition to three main contain glycerol, but also contains a small amount of free acids, phospholipids, sterols, and vitamins pigment composition, according to different needs, from using phospholipid, drying, deacidification, deodorizer, bleaching methods refined.

原始的油脂中，除主要含有三甘油酯外，还含有少量游离酸、磷脂、甾醇、色素和维生素等成分，可根据不同的需要，用脱磷脂、干燥、脱酸、脱臭、脱色等方法精制。

The obtaintion of decolor oil and decolor oil efficiency were considered as standerd, decolorate method was studied in this paper, the result showed the optimum conditions as followed: the decoloration carrier is bleaching and activity carbon, its ratio is 10:1 and the add quantity is 2%, the decoloration is 90 ℃, the operation time is 20 min.

以脱色油得率和脱色效率为指标，研究大豆胚芽油脱色方法，试验表明：采用白土＋活性炭(10：1)为脱色剂，脱色剂添加量为2%，在90℃温度下对大豆胚芽油脱色20min，大豆胚芽油得率高、脱色效果好。

Through the magnetic separation,acidwashing,sieving,reducing bleaching deferrization ,the whiteness of product can be improved,and the reaction mechanism and charging system discussed.

1%的产品为研究对象，通过磁选、酸洗、过筛、还原漂白除铁等方式提高产品的烧成白度，并对不同的试验研究和反应机理进行探讨。

Through the magnetic separation,acidwashing,sieving,reducing bleaching deferrization ,the whiteness of product can be improved,and the reaction mechanism and charging system discussed.

本文中采用的是烧成白度为80.1%的产品为研究对象，通过磁选、酸洗、过筛、还原漂白除铁等方式提高产品的烧成白度，并对不同的试验研究和反应机理进行探讨。

Due to less delignification in the final bleaching the system also preserves the environment.

由于在最终的氧漂阶段是更少的脱木素量，所以更加环保。

The delignification mechanisms of three different kinds of photocatalysis bleaching of pulp were briefly reviewed in this paper.

简述了3种纸浆光催化漂白的脱木素机理，并以基于光敏剂产生单线态氧机理的光催化漂白为例，对硫酸盐竹浆进行了实验。

The electrochemically mediated delignification is one of new pulp bleaching methods.

电化学介体脱木素是一种新型纸浆漂白方法。

I go to school at night.

我是上上学。

Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.

鼻吸明确提示：一个柔软的时间和温柔吸力行动使消除过剩的粘液容易。