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释义
Encyclopedia
理学
放射性元素
释
meitnerium
人工放射性元素,元素符号Mt,原子序数109,半衰期最长的同位素的质量数278。属周期系Ⅷ族。为纪念核物理学家和放射化学家L.迈特纳[注]而命名。曾被称为109号元素(unnilennium),符号Une。
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Mindong fishing ground
Mind-only Poem
Mind-only Pure Land
Mindon’s Reforms
Mindoro Island
Mind Philosophy Aesthetic Education Viewpoint
MindRDR system
MindRDR系统
Mind, Self and Society
mine
mine area development plan
mine atmosphere
mine atmosphere environment
mine audio-current transmitting method
mine backfill
mine blast holes database
mine blasting vibration
mine car
mine cleaner production
mine communication system
mine compressed-air self-help system
mine compressor station
mine control network
mine drainage
mine drainage system
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