1) unstable periodic orbits (UPO s)
不稳定周期轨道(UPO s)
3) unstable periodic orbit
不稳定周期轨道
1.
The stabilization problem of unstable periodic orbits embedded in chaotic discrete-time systems is discussed.
研究混沌离散系统中不稳定周期轨道的镇定问题。
2.
The theoretical results on the limitation and controllability of delayed feedback control with respect to the stabilization of unstable fixed point or unstable periodic orbit and the experimental results of the delayed feedback control s applications in controlling chaos in electrical circuits and magneto-elastic beam are summed up.
综述了近年来控制混沌的延迟反馈控制技术──ＤＦＣ控制的相关进展，总结了延迟反馈控制在不动点和不稳定周期轨道镇定方面的局限性和可控性研究的理论成果，介绍了延迟反馈控制在电子线路和磁弹性梁混沌控制方面的实验，并对延迟反馈控制技术未来的研究方向和发展前景进行了预测和展望。
4) unstable periodic orbits
不稳定周期轨道
1.
Identification of determinant dynamics in neurons spiking series by using unstable periodic orbits;
运用不稳定周期轨道方法识别神经元阵发放电序列中的确定性动力学
2.
Study of neuron information coding based on theory of unstable periodic orbits;
用不稳定周期轨道理论研究神经信息编码规律
3.
Numerical simulation results showed that the unstable periodic orbits of the system could be ballasted,the chaos could be eliminated via choosing proper delayed time and gain coefficient,and the system could be changed from unstable to s.
数值仿真结果表明,选择适当的延迟时间和反馈系数能够控制系统的不稳定周期轨道、消除混沌,并能使系统从失稳状态进入稳定状态。
5) s orbital
s轨道
1.
This paper proposes a concept for standard oxidiztion electrode-protentials of s orbitals.
本文对d区元素进行了普查 ,提出用单质s轨道的标准氧化电位来量度“惰性s -价电子效应” ,当E0 S>0 73V时 ,可作为单质具有“惰性s-价电子效应”的判据。
6) S Phase
S期
1.
The rRNA synthesis in the nucleolus continued actively throughout the interphase, while in nucleoplasm hnRNA was transcribed at low levels in S phase and actively in G 2 phase.
结果表明 :在整个间期核仁中的rRNA都在活跃转录 ;核质中hnRNA的转录呈逐渐上升趋势 ,早S期转录水平很低 ,晚S期转录活性升高 1倍 ,G2 期转录达到最高水平 ;整个间期核质中RNA的转录水平增加了 5～ 6
2.
The synchronized HeLa cells were used to study the effect of protein kinase A(PKA) inhibitor on the progression of S phase.
以同步化的HeLa细胞为实验材料 ,研究了蛋白激酶A (PKA)抑制剂对HeLa细胞S期进程的影响及其作用的分子机理 。
补充资料：轨道周期
人造卫星在轨道上环绕地球运行一周所需的时间。与轨道离地高度有关。轨道半长轴愈长，周期愈长。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条