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放射性元素
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人工放射性元素,元素符号Rg,原子序数111,半衰期最长的同位素的质量数282。属周期系ⅠB族。为纪念德国物理学家W.K.伦琴[注]而命名。曾被称为111号元素(unununium),符号Uuu。
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Wooden and Bamboo Slips of Han Dynasty Unearthed from Tombs at Mawangdui
Wooden and Bamboo Slips of Han Dynasty Unearthed from Wuwei
Wooden and Bamboo Slips of Han Dynasty Unearthed from Xupu
Wooden and Bamboo Slips of Han Dynasty Unearthed from Yinwan
Wooden and Bamboo Slips of Han Dynasty Unearthed from Zoumalou
Wooden and Bamboo Slips of Qin and Han Dynasties from Tuzishan,Yiyang
Wooden and Bamboo Slips of Qin Dynasty Unearthed from Longgang
wooden and bamboo slips of the Warring States Period
Wooden and Bamboo Slips of Warring States Period and Qin Dynasty unearthed from Shuihudi
Wooden Carriage with a Seated Driver of the Western Han Dynasty from Wuwei
wooden carvings of the Han Dynasty
wooden clappers
wooden club in opera
wooden door and window production equipment
wooden drum
wooden drum dance
wooden drum of Va nationality
wooden figurines of Pan Yunzhi's Tomb
wooden furniture
wooden hoe
Wooden Maps of Qin State from Fangmatan
Wooden Model of a Screen Carved with Designs from a Chu Tomb at Jiangling
wooden opera carvings of the residences in Ding Village
wooden opera new year pictures of Taiwan
wooden opera new year pictures of Tantou Town
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