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- limit cycle control 限值循环控制
- In this paper, the problem of limit cycle for a cubic system is studied. 摘要讨论三次系统(方程式略)的极限环问题。
- Undergraduate thesis with Professor Shaobai Xue, BeijingNormalUniversity. Studies on mammalian cell cycle control. 北京师范大学师从薛绍白教授撰写学士论文,研究哺乳动物细胞周期调控。
- Using DF (Describing Function) in determining the limit cycle number of differential equation is a significant analysis try. 摘要将描述函数法用于确定微分方程极限环个数的问题是一个有意义的理论探索。
- A DC side active power filter(APF)based on one cycle control theory is proposed. 提出了一种基于单周控制理论的直流侧有源电力滤波器 (DC侧APF)。
- It is proved the existence of local limit cycle when there exists critical points in every invariant cylinder. 当在每个不变柱面上有奇点时证明了这类系统局部极限环的存在性;
- A kind of microbe cultivated model is discussed to verify that the limit cycle is unique in a fixed parameter range. 摘要分析了一类细菌培养模型,证明了在一定参数范围内极限环是唯一的。
- So we analyzed cell cycle and cell cycle control genes expression in MDS, AML evolving from MDS (MDS-AML), primary AML and normal control. 本研究旨在分析正常人、MDS及MDS转化的急性髓系细胞白血病(MDS-AML)和原发性急性髓系细胞白血病(AML)患者的细胞周期的异常变化及细胞周期调控基因表达谱的不同。
- He is continuing his exploration of the molecular basis of cell cycle control in normal and cancer cells as an MPhil candidate at UST. 他现于科大修读哲学硕士课程,研究正常及癌细胞的细胞周期控制的分子基础。
- It is the first time to obtain the real railway vehicle’s limit cycle curve and Hopf bifurcation point by roller rig test in the world. 论文还介绍了试验台自1995年启用以来,所完成的新型机车车辆大型试验情况,以此说明由于有科学、合理的设计技术路线,试验台的研制非常成功,在我国高速、重载机车车辆的研制过程中发挥了重要作用。
- Instability shows itself frequently in the form of limit cycles. (非线性系统)的不稳定性通常表现为极限环的形式。
- This paper give an advice that we can realize closed cycle control of feeding shaft by proportional valve and linear grid ruler instead of servo emplifier and servo motor. 利用比例阀和线性光栅尺配合使用替代伺服放大器和伺服电机实现进给轴的闭环控制。
- It is found that the frequency creep caused by superradiance usually results in this kind of limit cycle like oscillations. 分析表明这种类极限环振荡主要起因于超辐射引起的频率蠕变。
- The deregulation of cell proliferation is the essential issue for the tumorigenesis, which is closely associated with the disturbance of cell cycle control. 细胞增殖失控是肿瘤发生的重要环节,与细胞周期调控紊乱密切相关。
- R. Brown, M. Soldano, "One Cycle Control IC Simplifies PFC Designs," IEEE Applied Power Electronics Conference and Exposition, Volume 2, 6-10, Page(s):825 ? 829, March 2005. 单周期控制技术化繁为简,轻松实现高功率PFC设计,新电子科技杂志,2006年2月号。
- Yeast regulatory factor PHO85, which is a cyclin?dependent kinase (CDK), participates in the regulation of the cell cycle control and the expression of the acid phosphatase gene. 酵母调控因子PHO85是一个依赖于细胞周期蛋白(cyclin)的蛋白激酶(CDK),参与对细胞周期和酸性磷酸酯酶基因表达的调控。
- A model in biochemical reaction asis investigated and the conditions for the stability of the only positive equmilibrium point ,exis-tence of the limit cycle are obtained. 本文研究了一类生化反应模型:得到了唯一正平衡,点的稳定性和极限环的存在性条件。
- Add the function such as cycle control by SHIFT+F1 (we call it pilot's body remove), or add the definition of buttons for the better way of the pilots observation in the cabin. 增加SHIFT+F1(我们称之为:飞行员身体移动)的功能(如循环控制),或新增按键定义,以使飞行员在座舱内部更灵活的观察。
- CHEN Liu-juan,SUN Jian-hua.The uniqueness of a limit cycle for a class of Holling models with functional response [J].Acta Mathematica Sinica,2002,45(2):383-388. [3]陈柳娟;孙建华.;一类Holling功能性反应模型极限环的唯一类[J]
- LIU Fei,YANG Yiren.Bifurcations of 2-multiple semistable limit cycle of airfoils with cubic nonlinearity[J].Journal of Southwest Jiaotong University.2004,39 (5):638-640. [6]刘菲;杨翊仁.;立方非线性机翼的二重半稳定极限环分叉[J]
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries