自然铬英文chromium 释文成分Cr 等轴晶系呈薄片状厚板状和粒状铅灰锡白和银白色金属光泽显微硬度(1064.3~2000)×9.8×10^6帕密度7?.17克/厘米^3具磁性 是中国学者1981年在藏北铬铁矿石中发现的新矿物
铬- 6是一种自然形成的金属。铬污染最通常是由采矿和其他工业制造过程造成的。
Chromium-6 is a naturally occurring metal. Chromium pollution most commonly comes from mining and other industrial processes.
张说,钕和铬不是故意添加进去的,但会自然产生。
Zhang said the chromium and neodymium were not deliberately added but occurred naturally.
自然的橡木地板和白色的裸顶天花,与纯黑色的墙和铬色装饰镶边起到了互补平衡的作用。
Natural oak flooring and an open white ceiling compliment the black walls and chrome trim.
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