广东 珠海 中山 佛山金属镀层及化学处理表示方法 ... 氧化(oxidation) 防变色(anti—tarnish) 铬酸盐封闭(chromate sealing) ...
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防变色剂 [助剂] anti-blushing agent ; Anti-stain reagent
防变色法兰绒 tarnish resistant flannel
防变色处理 antistain treatment
防变色膜 anti-tarnishing film
镀金属防变色制剂 Anti-tarnishing preparations for coating metals
防锡变色剂 Stannum off-color Prevent Agent
防银变色剂 Silver off-color Prevent Agent
防金变色剂 Gold off-color Prevent Agent
将苹果切片，和上少许柠檬汁防变色，沥干。
Dice the apples and toss with a little lemon juice to prevent discolouring.
为有效防止霉菌和变色菌的侵害，采用TBQ木材防腐剂对其进行防霉、防变色处理试验。
Since Mongolian Scotch Pine is easily infected by mold and sapstain fungi, a preservative, TBQ, was prepared following development of the treating equipment by the authors.
采用正交试验和条件试验，筛选出了一种以植酸、 苯甲酸钠、 钼酸钠和EDTA为基本组成的镍磷合金抗蚀防变色剂。
A new anti-tarnish agent has been screened out, based on phytic acid, sodium benzoate, sodium molybdate and EDTA by means of orthogonal analysis and conditional experiments.
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