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搜索结果: 1-8 共查到理学 Heavy Elements相关记录8条 . 查询时间(0.14 秒)
The recent observation of gravitational waves and light produced by colliding neutron stars didn't just provide scientists with a transformative look at a rare cosmic event -- it provided an important...
Astronomers like to say we are the byproducts of stars, stellar furnaces that long ago fused hydrogen and helium into the elements needed for life through the process of stellar nucleosynthesis.As the...
We report the discovery of Kepler-15b, a new transiting exoplanet detected by NASA's Kepler mission. The transit signal with a period of 4.94 days was detected in the quarter 1 (Q1) Kepler photometry....
The helium and heavy elements enrichment of the galactic disk。
Starbursts and the production and dispersal of heavy elements
2004Vol.42No.4pp.594-598DOI: Fusion Barrier of Super-heavy Elements in a Generalized Liquid Drop Model CHEN Bao-Qiu1,2 and MA Zhong-Yu1,2,3 1 China Institute of Atomic ...
This report describes a method for calculating fusion and decay probabilities in reactions leading to the production of transfermium elements. The competition between quasi-fission and fusion is descr...
Relative L1, La, Lb and Lg x-ray fluorescence cross-sections were observed in Ta, W, Re, Au, Hg, T1, Pb, Bi, Th and U of 16.03, 17.78, 22.58, 25.77, 32.89, 38.18, 43.94, 50.21, 59,5 and 122 keV energi...

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