认为低线密度纤维增白效果较好。
The whitening effect was fairly good for the fibers with lower linear density.
通过脱铁与还原漂白同浴、应用正交实验,优选出的还原漂白工艺增白效果显著。
The reduced bleaching process is possessed of obvious whitening effects, through the DE iron and reduction bleaching processes in one bath and the orthogonal experiment.
对硫氢酸钠湿法二步法腈纶进行增白,探讨了主要增白工艺条件对增白效果的影响。
The whitening process was performed on PAN fiber produced by sodium thiocyanate wet spinning. The effects of the main whitening conditions on whitening effect were discussed.
荧光增白剂自身的物理化学性质影响了其在塑料基体中的分散状态,进而影响了增白效果。
The physical and chemical characters of FWA influence the dispersing state of it in plastics, furthermore its whitening effect.
注意事项:用于主洗阶段,与彩漂粉搭配洗涤棉、麻、化纤等布草去污、增白效果十分出众。
Notes: for the main stage of washing, bleaching and color washing powder with cotton, linen, chemical fiber, such as decontamination grass cloth, whitening effect is outstanding.
通过对面粉增白剂作用原理和增白效果影响因素的分析,提出面粉增白剂的合理用量及添加方法。
The acting principle of flour brightener and the effective factors of brightening effect were analysed. The reasonable addition level of brightener and adding methods were put forward.
本文介绍了增白的机理,增白剂的种类与结构特点,并对遣纸过程中影响增白效果的因素进行了初步的探讨。
It was introduced that the species and characteristics of brightening agent and its brightening mechanism in this paper. It was also discussed the factors affecting brightening.
对增白剂的作用机理及影响其增白效果的因素进行了探讨,并就合理使用增白剂来改善面粉的白度进行了详细论述。
The function mechanism of bleaching agent and its effecting factors were discussed. Also it was detailed how to use bleaching agent properly so as to improve flour whiteness.
方法(2)工艺简单、收率较高(79%),属环保型工艺,产品的荧光效果差,增白效果好,适用于普通塑料制品。
The method (2) has the advantages of simple technology and higher yield(79%), but the product made in this method has lower florescent and higher whitening effect, so it is used for common plastics.
将荧光增白剂的母粒形式与粉体形式的增白效果进行对比,得出母粒添加法试样的白度比粉体添加法试样高5 ~10的结果。
The results indicated that whiteness of sample into which FWA was added in the form of masterbatch was 5 ~ 10 degrees higher than in directly mixing form.
目的:研究洁白牙贴增白牙齿的效果。
Objective: to study the effect of tooth whitening strip on tooth bleach.
小试实验表明,纳滤膜对增白剂的平均截留率98 9%,对盐基本没有截留效果。
The rejection of optical brightener by nanofiltration membrane was 98. 9% and the salt could permeate through the membrane in the experiment.
具有增白皮肤、防治皮肤色斑、炎症的效果,它不会产生过分油腻感,易渗透吸收,提升肌肤的白皙度、润泽度、柔软度。
It can whiten skin, prevent skin splash and inflammation without feeling of over fatness. It is easy to penetrate and be absorbed for upgrading whiteness, moist and tenderness of skin.
具有增白皮肤、防治皮肤色斑、炎症的效果,它不会产生过分油腻感,易渗透吸收,提升肌肤的白皙度、润泽度、柔软度。
It can whiten skin, prevent skin splash and inflammation without feeling of over fatness. It is easy to penetrate and be absorbed for upgrading whiteness, moist and tenderness of skin.
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