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- black conversion film 黑色转化膜
- After a suitable post-treatment,conversion film in bluish-white, iridescent or black colour accordingly and with excellent corrosion resistance is obtainable. 经相应的镀后处理,能分别获得蓝白色、彩色、黑色等转化膜,提供优异的耐蚀性能。
- The conversion film is probably constituted of amorphous and pored alloying tannate chelate. 这种转化膜很可能是由有一定孔隙的非晶态合金单宁酸膜层构成.
- This was achieved by the formation of a conversion film on the alumium alloy surface and by the inhibition of cathodic process. 这种缓蚀作用主要是通过在铝合金表面形成一种化学转化膜和抑制阴极过程实现的。
- Influences of factors such as pretreat ment, chemical conversion film on the quality of coating were an alyzed. 分析了前处理、化学转化膜等因素对涂膜质量的影响。
- Ce conversion film was obtained on surface of Al alloy LY12 by immersion process. 利用浸渍法在铝合金LY12表面上获得了稀土转化膜。
- A conversion film was obtained on the surface of aluminum alloy 2024 by immersion process. 利用浸渍法在铝合金2024表面上获得了混合稀土转化膜。
- Corrosion resistance of conversion film was examined by means of moistur/heating test,salt soln immersion test and electrochemical testing. 利用湿热试验、盐水浸渍试验、电化学测试方法评价了膜的耐蚀性能。
- Firstly, the alloy was treated by stannate conversion treatment, and then electroless nickel plating was carried out on the conversion film. 研究了转化膜及化学镀镍涂层的成分、 结构和耐腐蚀性能。
- The anticorrosive property of the conversion film was examined intensively by moisture and heating test, salt solution immersion test and electrochemical method. 利用湿热试验、盐水浸渍试验及电化学测试方法评价了膜的耐蚀性能。
- Studies of the Black Molybdate Conversion Film on Stainless Steel 不锈钢上黑色钼盐转化膜的研究
- Is the film in colour or black and white? 这胶卷是彩色的还是黑白的?
- The film was shot in black and white. 这部电影拍成了黑白片。
- Black Conversion Coatings Technology of Iron and Steel 钢铁件表面黑色转化膜技术
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪，向那头黑熊射击。
- phosphate-chromate conversion film 磷酸-铬酸盐转化膜
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- The old trade in black ivory is on more. 昔日非洲黑奴的买卖已不复存。
