搜索结果: 1-5 共查到“理学 thorium”相关记录5条 . 查询时间(0.164 秒)
Distribution of radon activity in the atmosphere above Wzgórza Niemczansko-Strzelinskie (South-WestPoland) and its dependence on uranium and thorium content in the underlying rock and indirect ground basement
radon atmosphere uranium thorium rock
2015/9/10
Radon activity in the atmosphere and its behavior in the environment have been investigated using LR-115 nuclear
track detector. The complex geological structure of Wzgórza Niemczansko-Strzelinskie (...
A ground radiometric study of uranium,thorium and potassium in Isparta,Turkey
ground radiometric uranium thorium potassium Isparta Turkey
2015/8/28
The radioelement concentrations of uranium (238U), thorium (232Th) and potassium (40K), as their radionuclides eU, eTh and K, of Cünür Hill in the city of Isparta (Turkey) and its surroundings were me...
Performance of a 229 Thorium solid-state nuclear clock
Performance 229 Thorium solid-state nuclear clock Atomic Physics
2012/4/24
The 7.8 eV nuclear isomer transition in 229 Thorium has been suggested as an etalon transition in a new type of optical frequency standard. Here we discuss the construction of a "solid-state nuclear c...
Modelling the effect of boundary scavenging on Thorium and Protactinium profiles in the ocean
the effect of boundary scavenging Thorium and Protactinium profiles the ocean
2010/1/21
The "boundary scavenging" box model is a cornerstone of our understanding of the particle-reactive radionuclide fluxes between the open ocean and the ocean margins. However, it does not describe the r...
The age of the galaxy from thorium cosmochronometry。