Japan,an important neighbor of China,remains a key focus for China’s diplomatic strategy.The bilateral relationship became strained because of historical issues and the territorial dispute over the Diaoyu Islands.But...Japan,an important neighbor of China,remains a key focus for China’s diplomatic strategy.The bilateral relationship became strained because of historical issues and the territorial dispute over the Diaoyu Islands.But,recently,diplomatic relations have been improving,with a series of encouraging people-to-people exchanges.During the annual two展开更多
An improved semi-empirical relationship for cluster radioactivity half-lives is proposed by introducing an accurate charge radius formula and an analytic expression of the preformation probability.Moreover,the cluster...An improved semi-empirical relationship for cluster radioactivity half-lives is proposed by introducing an accurate charge radius formula and an analytic expression of the preformation probability.Moreover,the cluster radioactivity half-lives for the daughter nuclei around ^(208)Pb or its neighbors and the ^(12)C radioactivity half-life of114Ba are calculated within the improved semi-empirical relationship.It is shown that the accuracy of the new relationship is improved significantly compared to its predecessor.In addition,the cluster radioactivity half-lives that are experimentally unavailable for the trans-lead and trans-tin nuclei are predicted by the new semi-empirical formula.These predictions might be useful for searching for the new cluster emitters of the two islands in future experiments.展开更多
President Hu Jintao’s recent trip cements China’s bonds with Kazakhstan,Russia and Ukraine Chinese President Hu Jintao visited Kazakhstan,Russia and Ukraine from June 12 to 20.Chinese analysts said his Eurasian trip...President Hu Jintao’s recent trip cements China’s bonds with Kazakhstan,Russia and Ukraine Chinese President Hu Jintao visited Kazakhstan,Russia and Ukraine from June 12 to 20.Chinese analysts said his Eurasian trip would contribute展开更多
文摘Japan,an important neighbor of China,remains a key focus for China’s diplomatic strategy.The bilateral relationship became strained because of historical issues and the territorial dispute over the Diaoyu Islands.But,recently,diplomatic relations have been improving,with a series of encouraging people-to-people exchanges.During the annual two
基金Supported by the National Natural Science Foundation of China(U1832120,11675265)the Natural Science Foundation for Outstanding Young Scholars of Hebei Province of China(A2020210012,A2018210146)+1 种基金the Continuous Basic Scientific Research Project(WDJC-2019-13)the Leading Innovation Project(LC192209000701).
文摘An improved semi-empirical relationship for cluster radioactivity half-lives is proposed by introducing an accurate charge radius formula and an analytic expression of the preformation probability.Moreover,the cluster radioactivity half-lives for the daughter nuclei around ^(208)Pb or its neighbors and the ^(12)C radioactivity half-life of114Ba are calculated within the improved semi-empirical relationship.It is shown that the accuracy of the new relationship is improved significantly compared to its predecessor.In addition,the cluster radioactivity half-lives that are experimentally unavailable for the trans-lead and trans-tin nuclei are predicted by the new semi-empirical formula.These predictions might be useful for searching for the new cluster emitters of the two islands in future experiments.
文摘President Hu Jintao’s recent trip cements China’s bonds with Kazakhstan,Russia and Ukraine Chinese President Hu Jintao visited Kazakhstan,Russia and Ukraine from June 12 to 20.Chinese analysts said his Eurasian trip would contribute
