查询词典 bleaching agent

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。

There could be some other mechanisms which control the color display of reef corals. Also during the process of bleaching, the total photopigment of zooxanthella per unit polyp had decreased, and chlorophyll a and peridinin were decreased the most significantly.

实 验结果显示颜色的差异并非因色素量的燮化所造成而是其它的机制所控制，白化过程中除了共生藻数目逐日减少外，共生藻外表形态和色素的组成都有显著的变化。

A comparison of the bleaching process of zooxanthellae from two different strony corals, Galaxea fascicularis andAcropora austeraField observation showed that in elevated sea water temperature Acropora austera bleached very fast whit while Galaxea fascicularis did not.

从野外采回不同珊瑚的共生藻，在光照下培养后发现自简单轴孔珊瑚分离出的共生藻较丛生棘杯孔珊瑚中分离出之共生藻容易丧失色素。

It is essential to change the CEH3 bleaching conditions to decrease the amount of adsorbable organic halogen.

研究表明，虽然CEH漂白废水的色度、COD、BOD的指标比较低，但废水的排放

World War II: Battle of Saipan - Americans take Saipan.

1944年的今天，美国在塞班战役中拿下塞班岛。

When the scorner, the rejecter of truth, has become presumptuous; when the routine of work in the various money-making lines is carried on without regard to principle; when the student is eagerly seeking knowledge of everything but his Bible, Christ comes as a thief.{DA 635.3

当讥诮和拒绝真理的人，到了任意妄为时，当追求财利者罔顾按道义经营谋利时，当学人正在兢兢业业地研究各种知识，而单把圣经丢在一边时，基督要像贼一样来临。