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pro vyhledávání: '"Shu Zhong Yang"'
Autor:
Shu Zhong Yang, You Chi Zhou, Xiao Qiang Wen, Jian Wen Zhao, Wen Wen Liu, Jian Zhou, Ling Shan Luo, Fan Yang, Di Wu, Jun Dong, Yin Yi Xiao, Hou Qun Xiao
Publikováno v:
Materials Science Forum. 914:80-86
A series of novel luminescent materials Ca10M(PO4)7:Eu2+(M: Li, Na, K) were synthesized by the solid-state reaction. The previous literatures indicate that the doped different alkali metal ions can only lead to regular shift of the emission and excit
Autor:
Shu-Zhong Yang, Siwei Luo
Publikováno v:
2005 International Conference on Machine Learning and Cybernetics.
It is known that many clustering algorithms which converge to one of numerous local minima through an iterative procedure are especially sensitive to initial clustering centers. In this paper we propose a novel algorithm for refining initial clusteri