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| Chinese | English |
| 阿尔法射线 | alpha radiation A stream of alpha particles which are ejected from many radioactive substances having a penetrating power of a few cm in air but can be stopped by a thin piece of paper (许多放射性物质发射出的、能穿透几厘米的空气但会被一张薄纸挡住的阿尔法粒子流。) |
| 阿尔科阿炼铝烟气干式控制法 | Alcoa process |