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| 单词 | boron carbide |
| 释义 | boron carbide in British Englishnoun a black extremely hard inert substance having a high capture cross section for thermal neutrons. It is used as an abrasive, refractory, and in control rods in nuclear reactors. Formula: B4C boron carbide in American English a black, crystalline compound of boron and carbon, B4C, almost as hard as diamond: used as an abrasive and in control rods for nuclear reactors see also Mohs scale (sense 2) |
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