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放射性元素
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berkelium
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人工放射性元素,化学符号Bk,原子序数97,半衰期最长的同位素的质量数为247。属周期系ⅢB族,锕系元素。以发现地美国的伯克利(Berkeley)命名。
Astronomy
全称:berkelium。缩写:Bk
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Chemistry
>放射化学与辐射化学>放射性元素化学>释义
berkelium
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vertical refraction coefficient
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vertical search engine
vertical seisimic profile logging instrument
vertical seismic data processing
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vertical seismic profiling logging
vertical seta
vertical shaft
vertical ship Lift
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vertical sound velocity distribution
vertical specialization
vertical spectrograph
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