Glass, it acquires its colour by the addition of metallic oxides to molten Glass.

借由加入氧化物以熔化金属的过程获得颜色。

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The addition of a small amount of metallic elements in pure aluminium would change its electrochemical activity, enhance its anticorrosive performance and decrease its negative differential effect.

向纯铝中加入少量金属元素，能改变铝的电化学活性，增强其抗腐蚀性能，减小负差效应。

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If the surface contains rust, which should be in advance cleaned away by metallic brush, in addition to, can also wipe the surface.

如果表面有易剥落锈蚀，应事先用金属刷清除，必要时还可用酒精、丙酮等有机溶剂擦拭表面。

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The Nikon 1 J2 improves upon the Nikon 1 J1 with new features such as a Creative Mode that provides a variety of photo effects to users, a metallic body, a higher resolution LCD screen and the addition of stylish new color offerings.

ENGADGET: Nikon 1 J2 mirrorless camera: minor control tweaks, $549, ships in September

In addition to the new Creative Mode, the J2 will sport a metallic camera body and Mode Dial giving the camera a sharp look and comfortable feel in hand.

ENGADGET: Nikon 1 J2 mirrorless camera: minor control tweaks, $549, ships in September