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- A cyanide-free silver electroplating process with 5,5-dimethyl hydantoin as coordination agent is studied. 研究了5,5-二甲基乙内酰脲为配位剂的无氰镀银工艺。
- By Hull cell test, a kind of anion surfactant and nitrogen heterocyclic compound was chosen as a additive for pulse non-cyanide silver electroplating. 采用赫尔槽试验筛选出一种阴离子表面活性剂及含氮杂环化合物作为脉冲无氰镀银的添加剂,并初步确定了无氰镀银的工艺条件及脉冲条件。
- Silver electroplating process on bronze was described in detail, and antitarnishing of silver electrodeposits was proposed as well. 详细介绍了在铍青铜上电镀银的工艺过程，并提出了几种对所得银镀层进行防变色处理的方法。
- Silver electroplating of beryllium bronze with thiosulfate was used to replace conventional toxic silver plating with cyanide in accordance of the characteristics of the beryllium bronze. 从分析铍青铜材料的特殊性入手,针对性地采取有效的前处理工艺措施,以硫代硫酸盐镀银取代传统的有毒的氰化镀银,分析了银镀层变色的原因并提出了相应的抗变色处理措施。
- non-cyanide silver electroplating 无氰镀银
- eyarfide-free silver electroplating 无氰镀银
- Gold and silver electroplating for local decoration of table ware 餐具的装饰性局部镀金、银
- Process Modification for Silver Electroplating of Parts Made of Beryllium Bronze 铍青铜零件电镀银工艺的改进
- Pulse non-cyanide silver electroplating and anti-tarnish property of silver deposits 脉冲无氰镀银及镀层抗变色性能的研究
- Dip-Galvanizing Pretreatment Process for Silver Electroplating of Aluminum and Aluminum Alloy Parts 铝及铝合金零件镀银前化学浸锌的工艺研究
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- She wore a silver chain around her neck. 她脖子上戴着一条银项链。
- Keywords 5;5-dimethyl hydantoin;cyanide-free silver electroplating;coordination agent; 二甲基乙内酰脲;无氰镀银;配位剂;
- They have some sterling silver cutlery. 他们有一些标准纯银餐具。
- He put the candle on the silver candlestick. 他把蜡烛放在银烛台上。
- Workers are removing impurities from silver. 工人们正去除银中的杂质。
- He found the chest to contain silver coins. 他发现那囗箱子装着银币。
- She won a silver trophy for shooting. 她在射击比赛中获得银奖。
- The burglars made away with all our silver. 窃贼带着我们所有的银子逃走了。
- His black hair was threaded with silver. 他的黑发中夹杂着银发。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
