1) discoloration
[英][,dɪs,kʌlə'reɪʃn] [美]['dɪs'kʌlə'reʃən]
变色
1.
Research in PVC-U profile discoloration by sulfurous pollutants;
关于硫化污染引起PVC-U型材变色的研究
2.
Effects of Acid and Alkali on Discoloration Prevention of Paulownia Wood;
酸碱对防止泡桐木材变色的影响
3.
Controlling Measures for Yunnan Hemlock Discoloration during Drying;
云南铁杉干燥过程中变色的控制
2) tarnish
[英]['tɑ:nɪʃ] [美]['tɑrnɪʃ]
变色
1.
Tarnishing Mechanism and Anti-tarnishing Techniques of Gold and Silver Coins;
金银币变色机理和抗变色工艺研究
2.
The effects of various corrosive gases on silver tarnishing and the corrosion products in the tarnish layer were dis- cussed,especially hydrogen sulfide and silver sulfide.
讨论了大气中各种腐蚀性气体对银变色的影响,以及变色膜中各种腐蚀产物的成分及状态,以硫化氢气体和硫化银为主要对象进行阐述,侧重介绍了最近30年的研究结果。
3.
In natural environment, tarnish was observed on the surface of a commemoration silver coin of China.
银纪念币在大气环境中表面发生变色,失去原有的金属光泽。
3) tarnishing
[英]['tɑ:niʃ] [美]['tɑrnɪʃ]
变色
1.
Causes for tarnishing of tin electrodeposits and solutions thereof;
锡镀层变色的原因分析及解决
2.
Tarnishing causes and tarnishing resistant measures of gold and silver-plated connectors;
接插件镀金、镀银层变色原因及防变色措施
3.
The anti-tarnishing experiments can be taken to confirm a certain alloy's anti-tarnishing capability.
银合金的特点是容易发生硫化变色,通过抗变色试验可以确定合金的抗变色性能。
4) color change
变色
1.
This paper summarized the main function and advantages of technology of microcapsules,emphasized on microcapsules mechanism of color change and temperature control.
论述了微胶囊化的主要目的与优势,着重介绍了变色微胶囊可逆变色机理,相变微胶囊的控温及冷却作用机制。
2.
Based on the frequent color change phenomenon in iodized salt in recent years,the authors approaches color change mechanism from the aspect of effect of reducer in brine,effect of stabicizer in iodine solution as well as impact of storage environment and impurity ions,putting forward measures to prevent color change in iodized salt.
本文针对近几年频繁出现的碘盐变色现象,从卤水中还原物作用、碘液中稳定剂的作用、包装储存环境和杂质离子的影响4个方面探讨了碘盐变色的机理,并提出了几种防止碘盐变色的措施;通过比较认为还原性卤水适用于还原性的KI作为加碘剂。
5) Discolouration
[英][,dɪs,kʌlə'reɪʃn] [美]['dɪs'kʌlə'reʃən]
变色
1.
Discolouration of the deposits in production of brass plating;
浅谈黄铜电镀生产中镀层变色问题
2.
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
3.
In this paper,the discolouration and microbes pollution of LAP solution by slow-cooling were indevestigated.
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。
6) change color
变色
1.
In HCl medum,thder the Fe(Ⅲ) Cataktsus H 2O 2 Oxidze Sacid inorder to make it change color, and there are good sexual relations of line when the degrel is measured asith the cxistena of the Fe(Ⅲ) to change color, so by this it have set up new luminosity of catalysis law.
在HCl介质中在Fe(Ⅲ )催化作用下H2 O2 氧化S酸 (即 1-氨基 - 8-萘酚 - 4 -磺酸 )使之变色 ,变色程度与Fe(Ⅲ )的存在量之间有良好的线性关系 ,借此建立了新的催化光度法 。
补充资料：变色
分子式：
CAS号：
性质： 经一定的处理后，在纱、线或织物上的颜色在色光、深度或艳度方向所出现的综合性变化。
CAS号：
性质： 经一定的处理后，在纱、线或织物上的颜色在色光、深度或艳度方向所出现的综合性变化。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条