| 单词 | 铁矿石 |
| 释义 | 〔taconite〕A variety of chert containing magnetite and hematite, mined as an iron ore.铁燧岩：一种含磁铁矿和赤铁矿的燧石，做为一种铁矿石被开采〔cobalt〕A hard, brittle metallic element, found associated with nickel, silver, lead, copper, and iron ores and resembling nickel and iron in appearance. It is used chiefly for magnetic alloys, high-temperature alloys, and in the form of its salts for blue glass and ceramic pigments. Atomic number 27; atomic weight 58.9332; melting point 1,495°C; boiling point 2,900°C; specific gravity 8.9; valence 2, 3. See table at element 钴：一种硬而脆的金属元素，与镍、银、铅、铜和铁矿石一起存在，外表像镍和铁。它主要用于磁合金、高温合金、以盐的形式用于蓝色玻璃和陶瓷颜料。原子序数27；原子量58.9332；熔点1,495°C；沸点2,900°C；比重8.9；原子价2，3 参见 element〔magnetite〕The mineral form of black iron oxide, Fe3O 4, that often occurs with magnesium, zinc, and manganese and is an important ore of iron. 磁铁矿：黑色氧化铁矿，Fe3O 4，经常和镁、锌以及锰共生，是一种重要的铁矿石 〔ironstone〕A rock containing enough iron to permit commercial extraction; an iron ore.铁矿石：含有足够商业开采用铁量的岩石；铁矿石〔pyrite〕A brass-colored mineral, FeS2, occurring widely and used as an iron ore and in producing sulfur dioxide for sulfuric acid. Also called fool's gold ,iron pyrites 黄铁矿：黄铜色矿石，FeS2，分布广泛，用于生产铁矿石和制硫酸用的二氧化硫 也作 fool's gold,iron pyrites〔silver〕Symbol Ag A lustrous white, ductile, malleable metallic element, occurring both uncombined and in ores such as argentite, having the highest thermal and electrical conductivity of the metals. It is highly valued for jewelry, tableware, and other ornamental use and is widely used in coinage, photography, dental and soldering alloys, electrical contacts, and printed circuits. Atomic number 47; atomic weight 107.868; melting point 960.8°C; boiling point 2,212°C; specific gravity 10.50; valence 1, 2. See table at element 符号 Ag 银：一种白色有光泽、韧性的可延展的金属元素，单独或结合在铁矿石如银辉石中，在金属中导热和导电性能最好。用它作珠宝，银器和其它装饰品时价格很高，还广泛用于铸币、照相、镶牙用和焊接用的合金、电接触器和印刷电路。原子序数47；原子量107.868；熔点960.8°C；沸点2,212°C；比重10.50；原子价1或2 参见 element〔speiss〕An arsenic compound or a mixture of arsenic compounds resulting from the smelting of iron, cobalt, nickel, and copper ores.黄渣：一种含砷的化合物或砷化物的混合物，是通过熔炼铁矿石、钴、镍及铜矿石而成 |
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