| 单词 | 铬铁矿 |
| 释义 | 〔chromium〕A lustrous, hard, steel-gray metallic element, resistant to tarnish and corrosion and found primarily in chromite. It is used as a catalyst, to harden steel alloys and produce stainless steels, in corrosion-resistant decorative platings, and as a pigment in glass. Atomic number 24; atomic weight 51.996; melting point 1,890°C; boiling point 2,482°C; specific gravity 7.18; valence 2, 3, 6. See table at element 铬：一种有光泽的、蓝灰色的坚硬金属元素。不失光泽，抗腐蚀，最早在铬铁矿中发现。用作催化剂，可加强钢合金的强度和生产不锈钢，可以做防腐镀层和玻璃制品中的颜料。原子序数24；原子量51.996；熔点1,890°C；沸点2,482°C；比重7.18；化合价2，3，6 参见 element〔chromite〕A widely distributed black to brownish-black chromium ore, FeCr2O 4. 铬铁矿：一种广泛分布的铬矿石，黑色到黑褐色，FeCr2O 4 |
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