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- acid copper lead 耐酸铜铅合金
- Experimental study is made for the frictional loss of three kinds of slurries, such as copper lead zin iron tailings, coal ash and so on. 对铜铅锌铁尾矿、粉煤灰和氧化铝工业赤泥三种浆体的摩阻损失进行了试验研究。
- Cholride ions in acid copper plating bath were determined by nephelometry with OP emulsifier as stabilizer. 利用比浊法,以OP乳化剂作为稳定剂测定酸性镀铜液中的氯离子。
- New developed 207 sulphuric acid copper brightener can with overseas same kind best brightener look compare favorable with. 新研制成的207硫酸镀铜光亮剂可与国外同类最佳光亮剂相媲美。
- The influences of the intermediate and monomer brighteners commonly used in present acid copper plating on the hardnes... 本文主要对目前国内外常见的酸性镀铜中间体、单体光亮剂对硬度的影响进行了测试研究。
- The experiment result shows that the seleniou acid copper salt phosphoric acid system has advantge of anti corrosion over selenium copper system. 实验结果表明，亚硒酸-铜盐-磷酸发黑体系较之常用的硒-铜体系在耐蚀方面有较明显的优点。
- Abstract:Take use of the sediment containing the lead from the acidized copper and cadmium sediment to hydro metallurgic produce the lead acetate and lead. 利用铜镉渣酸浸后的含铅废渣湿法生产醋酸铅及铅,有利于提高经济效益、改善生态环境。
- SOLDER PLATED COPPER LEAD WIRE. 铜质导线。
- Effects of time, order of adding reagents, contents of ethanediol, silver nitrate, acid copper plating bath and nitrate on scattering intensity of resonance light were studied. 讨论了乙二醇用量、硝酸银用量、酸性镀铜液(底液)用量、硝酸用量、时间及试剂加入顺序对共振光散射强度的影响。
- Bright acid copper facing occupies the important position in electroplating modernly,its key lies in choice and application of the bright pharmaceutical. 光亮酸性镀铜在现代电镀中占有重要的地位,其关键在于光亮刑的选择和应用。
- Chromium copper lead manganese zinc nickel and iron in atmospheric particulates were determined by ICP-AES with a new sampling method of atmospheric particulates using polypropylene filter. 摘要聚丙烯膜采集大气颗粒物中的铬、铜、铅、锰、锌、镍和铁，消解后用ICP-AES法进行测定。
- Experiments further show that the continuous regeneration of acidic copper etchant can be achieved and a high cop... 实验进一步证实,一套以BDD电极为核心的装置可以实现蚀铜液连续再生,并能维持高蚀铜速度。
- A Study of Bright Acid Copper Plating 酸性光亮镀铜工艺的研究
- The component data of pearl nickel, bright nickel , acidic copper and brass plating solution in production were analyzed when the best result of the plating deposit obtained . 为了获得电镀的最佳结果,在生产中对珍珠镍、光亮镍、酸性铜和黄铜四种镀液的成分参数进行了统计分析。
- A Noyel Additive for Bright Acid Copper plating 一种新型酸性光亮镀铜添加剂
- brightening agent for acid copper electroplating 酸铜光亮剂
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- 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
