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放射性元素
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mendelevium
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人工放射性元素,元素符号Md,原子序数101,半衰期最长的同位素质量数258。属周期系ⅢB族,锕系元素。为纪念元素周期律的创始人、俄国科学家D.I.门捷列夫[注]而命名。
Astronomy
全称:mendelevium。缩写:Md
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Chemistry
>放射化学与辐射化学>放射性元素化学>释义
mendelevium
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risk cost
risk decision
risk decision-making mechanism
risk early warning
risk early-warning for tunnel and underground engineering
risk early warning information system
risk emergency treatment plan for tunnel and underground engineering
risk estimation of tunnel and underground engineering
risk evaluation method of tunnel and underground engineering
risk evaluation of blasting
risk evaluation of tunnel and underground engineering
risk exposure
risk factor
risk factors of cancer
risk financing
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risk identification for immersed tunnel
risk identification for tunnel construction by cut and cover method
risk identification for tunnel construction by drilling and blasting method
risk identification for tunnel construction by shield machine method
risk identification for tunnel construction by tunnel boring machine
risk identification of biological invasion
risk identification of information system project
risk identification of tunnel and underground engineering
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