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einsteinium
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einsteinium
Encyclopedia
理学
放射性元素
释
einsteinium
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人工放射性元素,元素符号Es,原子序数99,半衰期最长的同位素的质量数252。属周期系ⅢB族,锕系元素。为纪念著名物理学家A.爱因斯坦[注](Einstein)而命名。
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einsteinium
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99Es
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einsteinium
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Chemistry
>放射化学与辐射化学>放射性元素化学>释义
einsteinium
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brake energy recovery control
brake fern genus
brakeing system
brake mean pressure
brake pedal position transducer
brake pressure metering valve
brake rigging/brake unit for locomotive and rolling stock
brake system
brake temperature and tire pressure monitoring system
bra-ket notion
braking absorption
braking capture
braking energy recovery system
braking index
braking lining
braking of freight vehicle
braking orbit
braking radiation
braking rope
braking system of hydro-generator unit
Bram
bramble
Bramer
Bramham Park
Bram Stoker
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