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The Number and Distributions of Limit Cycles of a Cubic Hamiltonian System with Z_2-symmetry Perturb
[期刊论文] 作者：ZHOU Hong-xian ZHANG Yan,
来源：数学季刊：英文版 年份：2011
这份报纸在 quintic 不安下面涉及一个立方的 Z2 对称 Hamiltonian 系统的限制周期的数字和分布。由使用微分方程，动态系统的分叉理论和察觉功能的方法的质的分析，我们获得那这...
Regulation of anti-Müllerian hormone (AMH) in males and the associations of serum AMH with the disor
[期刊论文] 作者：Hui-Yu Xu,Hong-Xian Zhang,Zhen Xiao,Jie Qiao,Rong Li,
来源：亚洲男性学杂志（英文版） 年份：2019
Anti-Müllerian hormone (AMH) is a functional marker of fetal Sertoli cells.The germ cell number in adults depends on the number of Sertoli cells produced during perinatal development.Recently,AMH has received increasing attention in resear......
Establishing the lower limits of total serum testosterone among Chinese proven fertile men who recei
[期刊论文] 作者：Hui-Yu Xu,Hui Jiang,Guo-Shuang Feng,Ying Feng,Yong Han,Wen-Hao Tang,Hong-Xian Zhang,Feng-Hua Chen,Hong-Xia,
来源：亚洲男性学杂志（英文版） 年份：2020
Testosterone (T) plays a crucial role in spermatogenesis because extremely low levels of intratesticular T lead to correspondingly low serum levels of total T (tT),severe disorders of spermatogenesis,and male sterility.However,there is litt......
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