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氩-氩年代测定
释义
氩-氩年代测定
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argon-argon dating
氩-氩年代测定
利用中子活化法使样品中的39K经过39K(n,p)39Ar反应转化为39Ar,然后用质谱计测定其40Ar/39Ar的比值,代替通常在钾-氩法中的40Ar/40K比值,计算岩石或矿物的地质年龄。
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Akesu river irrigation district
A.K.Gladkov
Akhal-Teke horse
Akhal-teke Horses
Akhbar Al Adab
Akhenaten and His Family
Akhiezer
Akhmim wooden tablet
Akhmim木板书
AKI
Aki Kaurismäki
Akim Lvovich Volynsky
A kind of Government-run Usury of the Sui and Tang Dynasties
A kind of Land Surtax in the Late Tang Dynasty
a kind of official document
A kind of Pariah in the Southern and Northern Dynasties ,and the Sui and Tang Dynasties
A kind of Pariah in the Tang Dynasty and the Jin Dynasty
a kind of shifting and rotation cultivation
akinesia
akinete
akinetor
A King, and No King
aking the author's experience and understanding as the domain
Akinlawon Ladipo Mabogunje
Akino Fuku
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