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promethium
释义
promethium
Encyclopedia
理学
放射性元素
释
promethium
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人工放射性元素,元素符号Pm,原子序数61,半衰期最长的同位素的质量数145.0,属周期系ⅢB族,镧系元素、稀土元素。由希腊神话中从天庭盗取火送到人间的英雄普罗米修斯(Prometheus)而命名。
Physics
promethium
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61Pm
Astronomy
promethium
缩写:Pm。鉕
Chemistry
>放射化学与辐射化学>放射性元素化学>释义
promethium
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conforming element
conforming element method
conforming finite element
conforming finite element method
conforming interpolation
conforming membrane element
conforming plate element
conforming type
conformis
conformities of the internal and external
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confounding and its control
confoundingbias
confounding design of experiment
confounding of variable
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Confrontation between Nanjing and Guangdong
confrontation simulation
confrontation training
Confucian agricultural thought
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