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铀系年代测定
释义
铀系年代测定
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uranium series dating
铀系年代测定
应用自然界放射性核素(铀钍系、不平衡铀系)衰变规律来确定各种地质对象年龄的一种同位素地质年代学方法,即通过测定样品中铀系衰变子体与母体的比值计算样品年龄,诸如采用传统α能谱与热电离质谱铀系技术(TIMS)进行U-Hh测年。
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the grammatical relations hierarchies
The Gramophone Company Ltd.
The grand canal in Sui, Tang and Song dynasties
The Grand Canal of Sui
The Grand Canal World Culture Heritage
The Grandeur of the Gorges
The Grand Magazine
The Grand Mansion Gate
The Grandmaster
The Grandmother
The Grand Robert of the French Language
the Grand Supervisors of Agriculture
The Grand Treasury of Ci-Poems: Selected and Annotated
The Grapes of Wrath
The Graphic Printer
The Grass House
the grass irrigation engineering design
The Grass is Singing
the grassland ecological red line
The graveyard of the Wang Family of Langya prefecture buried in Xiangshan Mount, Nanjing
The graveyard of the Xie Family of Chen Prefecture buried in Sijia Shan, Nanjing
the gravity piston sampler
The Great Beginning
The Great Belt
The Great China Gramophone Co.
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