discolouration

1. Avoid any whose odour, is in any way unpleasant, or that have soft spots and obvious sign of discolouration.
   避免任何的气味，有任何不愉快，或有明显迹象变黄、软点。
2. Shake well before use. Test in an inconspicuous area prior to first use to avoid discolouration.
   用前先摇匀，初次使用前先在不显眼处试用，以确定皮具是否会褪色或变色。
3. A dried and smoked herring having a reddish color. The Technique of Sulphur Dioxide Prevention of Discolouration for Drying Fruits in Foreign Countries
   国外水果制干过程中的熏硫护色工艺
4. While standard medical terminology uses jaundice for a symptom ( yellow discolouration of skin), in India the term is used to refer to the illness in which this symptom is most common.
   标准医学术语中，“黄疸”是一种症状（皮肤的变黄），而在印度该术语用于指代急性肝炎（黄疸是其最常见的症状）。
5. Fujifilm has a long history of research into preventing the oxidisation of collagen, which is the cause both of the discolouration of film and the ageing of skin.
   在防止胶原蛋白氧化的研究方面，富士有着很长的历史，而胶原蛋白氧化是胶片褪色和肌肤老化的原因。
6. Actively watch for cavities if you spot any discolouration or pitting then they could be signs of cavities.
   积极为观赏溶洞如果您现货任何变色或点蚀，然后他们可以迹象蛀牙。
7. Study on Cotton Cloth Discolouration by Sodium Hydrosulfite-H_2O_2
   保险粉-H2O2对棉布脱色的实验研究
8. The paper related to the functions of enzyme washing activator RJ-6 in enzyme wash, that is, ensuring pH range, raising the activity of cellulase and preventing discolouration and staining of the fabric.
   阐述了酶洗激活剂RJ－6在酶洗过程中所起的作用。
9. Discolouration of silver flakes and basketry& inlaid silver artwares and the protection technology were studied.
   研究了含有少量铜锌成分的银片或银丝笆镶嵌的银制工艺品变色及各种新工艺的防变色效果。
10. Discolouration and Protection of Silver Artware
    银制工艺品的变色与防护
11. The method is simple, accurate and reproducible and the discolouration of destination is very sharp. The standard deviation and the coefficent of variation are all less than 0.2%; with average recovery is 100.1%.
    本法简便、准确，且重现性好，终点变色非常敏锐，标准偏差及变异系数均小于0.2%，平均回收率达100.1%。
12. Discolouration of reactive red X-3B solution induced by pyruvate/ UV system
    丙酮酸钠/UV体系对模拟活性艳红X-3B废水的脱色
13. A Study on the Red Pigments Used in the Mogao Frescoes and the Mechanism of their Discolouration
    莫高窟壁画中的红色颜料及其变色机理探讨
14. Discolouration of the deposits in production of brass plating
    浅谈黄铜电镀生产中镀层变色问题
15. Testing results showed that the decorative coating produced from the suggested bath has excellent discolouration resistance and corrosion resistance.
    检测表明：装饰性电泳涂膜有良好的抗变色能力和抗腐蚀能力。
16. In this paper, the discolouration and microbes pollution of LAP solution by slow-cooling were indevestigated. A new inhibitor-liquid paraffin with better effect was found.
    本文探讨了LAP晶体溶液降温法生长过程中易出现的母液变色和细菌污染问题，找到了一种效果更为理想的防菌剂-液体石蜡。
17. It was also found that the degradation and discolouration occurred after the grafting of silane onto PVC.
    接枝共聚后PVC降解和变色较严重。
18. The results showed that the effects of different stearates on improving the discolouration of chlorinated rubber from latex in hot air aging were as follows: lead stearate> calcium stearate> barium stearate> cadmium stearate> zinc stearate;
    结果表明，硬脂酸盐改善CNRA热空气老化变色性能的优劣顺序为：硬脂酸铅、硬脂酸钙、硬脂酸钡、硬脂酸镉、硬脂酸锌；
19. AN APPROACH TO THE PHENOMENA OF DISCOLOURATION AND CRACK DURING BAKING FOR THE FINE GRAIN ARTICLES BY COLD MOULDING Discolouration of the deposits in production of brass plating
    冷压细颗粒制品焙烧变色开裂刍议浅谈黄铜电镀生产中镀层变色问题
20. Study on the Discolouration of Copper Core during the Crosslinking Process of Silane Crosslinking PE Cable
    硅烷交联聚乙烯电缆在交联过程中铜线芯变色的研究
21. Study of the Discolouration and Microbes-inhibiting of Mother Liquid in LAP Crystal Growth
    LAP晶体生长过程中母液的变色和防菌研究

noun

1. the act of changing the natural color of something by making it duller or dingier or unnatural or faded

   Synonym:    discoloration

2. a soiled or discolored appearance
   1. the wine left a dark stain

   Synonym:    staindiscoloration