查询词典 bleaching process

A substance, such as sodium thiosulfate, used to neutralize the excess chlorine or hypochlorite left after bleaching textiles, fiber, or paper pulp.

脱氯剂一种用于中和漂白织物、纤维或纸浆留下的氯或次氯酸盐的物质，如硫酸钠

The seaweed is pretreated with a 40% sodium hydroxide solution at 60℃ for 16-20 hours, followed by washing with water and bleaching with 0.6% sodium chlorite or 0.2% sodittm hypochlorite at pH 1.5-2.5, then reducing with 2 % sodium thiosulfate the dry weight of seaweeds taken as 100 percent...

经合浦水产公司冷冻厂和本院附属工厂实践检验，结果表明，采用这个新工艺具有生产周期短，工艺操作容易掌握，生产设备简单，建厂投资少，成本低等优点；更重要的是凝胶强度由普遍600克/cm~2以下提高到1000～1700克/cm~2，超过出口商品的标准，为国产琼胶进入国际市场开辟了新的途径。

The aim of this study was to determine the influence of different bleaching sequences on the fibre surface properties of softwood kraft pulp before and after ageing.

主要目的是确定不同的漂白方法对硫酸盐针叶木浆纤维表面特性的影响，包括老化前和老化后。

In order to select a perfective procedure and protocol for the fine grain OSL dating, measurements of natural IRSL and GLSL signals from a range of modern sediment samples collected from different sedimentary environment, tests of IRSL and GLSL bleaching behaviors for loess fine grains under sunlamp, and comparisons of the equivalent dose determined by different methods have been undertaken, as well as IRSL and/or GLSL dating of more than forty sediments samples taken from late Quaternary deposit strata at different site in North China.

为了选择更合适于中国北方沉积物样品细颗粒OSL测年的实验程序和技术，进行了华北地区不同沉积环境的现代沉积物样品的细颗粒天然IRSL和GLSL信号测量，黄土细颗粒IRSL和GLSL的光晒退测试，不同方法获得的等效剂量值的比较分析，以及取自华北不同地区的40余个晚第四纪沉积物样品的IRSL和GLSL测年。

The contrastive results showed Ce(SO4)2 was more simple and convenient, accurate and faster than the principle methods and more adapt to titrate the bleaching solution in high temperature, would not be disturbed by the stabilizer in hydrogen peroxide solution.

结果表明，Ce(SO4)2法更简便、准确，其准确度高于KMnO4法和Na2S2O3法，更适合在较高温度下测定漂液中残余H2O2的含量，并且不会与漂液中其他有机物质发生反应。

The effect of white water consistency on hydrosulfite bleaching of DIP and TMP pulps was introduced in this paper.

介绍了纸机白水浓度对DIP和TMP浆连二亚硫酸钠漂白的影响；同时介绍了3种处理和利用白水的研究方案。

Thick liquid material and bleaching the liquid to enter and bleach the tower after the high enriched mixing device is fully mixed, through bleach thick liquid material person who is distribute , tower of top drop from top of the tower , thick liquid material take to undergo 2 hours from top of the tower to the bottom of the tower, discharged by the spiral tripper of the bottom, enter and store the thick liquid pool.

浆料与漂液经高浓混合器充分混合后进入漂白塔，经过漂白塔顶部的浆料分布器从塔顶落下，浆料从塔顶到塔底需经过二小时，由底部的螺旋卸料装置排出，进入贮浆池。

Appropriate rare earth complex was introduced to protect carbohydrates from degradation in oxygen bleaching of unbleached kraft pulp .

硫酸盐木浆氧漂处理中，加入适量的稀土络合物助剂，能起到保护碳水化合物的作用。

Properties and applications of decolorizing agents, bleaching agents and whitener s are introduced.

介绍各类脱色剂、漂白剂和增白剂的性质及应用，给出了数种化工及其他产品的脱色与漂白方法。

The systematic study of the selective bleaching of fine yak hair was made on the basis of the above results.

以上述的研究结果为基础，本论文对牦牛绒选择性漂白的工艺进行了系统研究。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。