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hafnium
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hafnium
Encyclopedia
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hafnium
铪
化学元素。元素符号Hf,原子序数72,原子量178.49。属周期系ⅣB族。
工学
难熔金属
释
hafnium
铪
金属元素,化学符号Hf,原子序数72,原子量178.49,位于元素周期表中IVB族。
理学
铪
释
hafnium
铪
化学元素,元素符号Hf,原子序数72,原子量178.49(2)。属周期系ⅣB族。
Physics
hafnium
铪
72Hf
{化}
Astronomy
hafnium
缩写:Hf。铪
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
hafnium
铪
随便看
sports in modern China
sports in pre-Qin
sports in Qin,Han dynasties and Three Kingdoms period
sports in Revolutionary Base Area
sports in Singapore
sports in Song, Liao, Jin and Yuan Dynasties
sports in Sui, Tang and Five Dynasties
sports intellectual property rights
sports in Thailand
sports in the Democratic People's Republic of Korea
sports in the period of the Republic of China
sports in Turkey
sports in Vietnam
sports jounalist/ reporter
sports journalism
Sports Journalists' Association of the P.R.C.
sports land per capita
sports law
sports legal system
sports legislation
sports management effect
sportsmanship
sports market
sports marketization
sports mascot
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