本文介绍了近年来国内外对于偶氮染料光致褪色的研究进展，综述了偶氮染料光褪色与偶氮键断裂机理。
Recent research progresses on photofading of azo dyes at home and abroad was introduced, and the photofading mechanisms at azo bond were reviewed.
本文介绍了近年来国内外对于偶氮染料光致褪色的研究进展，综述了偶氮染料光褪色与偶氮键断裂机理。
The main study methods and present research conclusions of photofading of organic dyes were reviewed in this paper.
耐久墨：不会褪色的油墨。亦称耐光油墨。
Permanent inks: Inks which do not fade. Also called Lightfast inks.
处理后表面洁净、失光、褪色、泛黄。
所以长期户外工作造成的光汗复合产生的褪色现象比其它工种快聊盒子赚钱网很多，选用面料时尽量选择浅淡色的面料。
So long-term outdoor work caused by the light and perspiration produce fading than other types of fast chat box money a lot, try to choose a pastel fabric selection of fabric.
天然彩砂褪色的主要原因是紫外光的影响，紫外光对颜色的变化反响极为灵活。
The main reason is the natural sand fade ultraviolet UV effect, changes of color reaction is very flexible.
笔者对国内外染色木材的光致变、褪色机理和规律及防止措施的研究进展进行了综合阐述。
This article makes a comprehensive review of research on the mechanism and prevention of light-induced discoloration of dyed wood.
天然食用色素的优点在于其安全性，缺点是其稳定性差，易受光、热、空气和金属离子的影响而变色或褪色。
The natural food pigments are safe, while their stabilities are bad. They are easy to change their color or fade when they are exposed to light, heat, air and metallic ions.
红曲色素在自然光的作用下会逐渐褪色，紫外线是自然光中引起有机物褪色的主要光线。
Monascus pigment fades in sun light, and ultraviolet radiation(UV) is main reason causing photobleaching of organic compound.
还用于锅炉水的处理、陶瓷制品防褪色、人造丝的消光剂，织物媒染剂和鞣革等。
Also used for boiler water treatment, fade-resistant ceramic products, rayon of extinction, the fabric and mordants such as tanning.
用于油墨接受层的组合物，其具有优异耐光性和耐褪色性，同时保持改进的油墨固定特性和光泽度。
A composition for an ink acceptable layer has excellent light resistance and discoloration resistance while maintaining improved ink fixation properties and glossiness.
用于油墨接受层的组合物，其具有优异耐光性和耐褪色性，同时保持改进的油墨固定特性和光泽度。
A composition for an ink acceptable layer has excellent light resistance and discoloration resistance while maintaining improved ink fixation properties and glossiness.
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