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铀-钍/氦定年
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铀-钍/氦定年
Encyclopedia
理学
第四纪年代学
释
U-Th/He dating
铀-钍/氦定年
应用U、Th发生α衰变,最终生成Pb和4He的原理,测定矿物年龄的同位素测年方法。
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medical fiber
medical freezing devices
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medical geographic information system
medical geographic map
medical geography
medical heath materials and dressing
medical helminth
medical HER(high energy ray) device
medical HER treatment devices
medical high frequency devices and instruments
Medical Human Resource Management
medical image
medical image analysis
medical image data
medical image fusion
medical imaging
medical imaging technology
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Medical information management
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