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[期刊论文] 作者：Zhang Yi,
来源：中国物理B（英文版） 年份：2011
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[期刊论文] 作者：ZHANG Yi,
来源：中国物理快报（英文版） 年份：2011
The integration method of a dynamical system of relative motion is studied,and the method of variation of parameters for the dynamical equations of relative mot...
Generalized Lutzky Conserved Quantities of Holonomic Systems with Remainder Coordinates Subjected to
[期刊论文] 作者：ZHANG Yi,
来源：理论物理通讯（英文版） 年份：2004
This paper focuses on studying the relation between a velocity-dependent symmetry and a generalized Lutzky conserved quantity for a holonomic system with remain...
[期刊论文] 作者：ZHANG Yi,
来源：理论物理通讯：英文版 年份：2005
In this paper, we present a new method to construct the conservation laws for relativistic mechanical systems by finding corresponding integrating factors. Firs...
[期刊论文] 作者：ZHANG Yi,
来源：图书馆论坛 年份：2004
从民间征集图书是中国古代官府常用的图书收集办法.文章介绍了官府征书的由来和它的几大特点,以及征书的作用和历史意义....
The effectiveness of virtual reality simulator Uromentor in the skill acquisition of flexible cystos
[会议论文] 作者：Yi Zhang,
来源：第二十届全国泌尿外科学术会议 年份：2013
Background Virtual reality (VR) has been recognized as a useful modality in the training of surgical skills.With respect to basic endoscopic skill training of urology, we sought to investigate the eff...
[会议论文] 作者：Yi Zhang,
来源：中华医学会第十次全国胸心血管外科学术会议暨第20届亚洲胸心血管外科医师协会年会(ATCSA 2010 BEIJING) 年份：2010
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[期刊论文] 作者：ZHANG Yi,,
来源：Chinese Geographical Science 年份：2018
The aim of this study was to better understand the mechanisms of regional climate variation in mountain ranges with contrasting aspects as mediated by changes in global climate. It may help predict tr...
[期刊论文] 作者：Yi ZHANG,
来源：生物学前沿 年份：2010
Posterior to the discovery of the double-stranded RNA mediated gene silencing two decades ago, RNA interference or RNA-mediated gene silencing has received unus...
[期刊论文] 作者：Zhang Yi,
来源：中国物理B（英文版） 年份：2010
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[期刊论文] 作者：Zhang Yi,
来源：中国物理（英文版） 年份：2006
The perturbations to symmetries and adiabatic invariants for nonconservative systems of generalized classical mechanics are studied. The exact invariant in the...
Joint Action Initiative to Meet Global Challenges and Build a Community with a Shared Future for Man
[期刊论文] 作者：Zhang Yi,
来源：国际交流:英文版 年份：2020
We have but one planet in the universe that we call home.Public health security is a common challenge that we all face,and major infectious diseases are common...
[学位论文] 作者：Yi Zhang,
来源： 年份：2018
传统藏药藏锦鸡儿,又名“佐摸兴”,来源于锦鸡儿属,豆科,主要分布在青藏高原、四川、甘肃等地,多生长于海拔3000?4700米的阴坡、半阴坡。现代植物基原研究表明藏锦鸡儿的主要基原植物包括鬼箭锦鸡儿、昌都锦鸡儿和川青锦鸡儿,而同属的川西锦鸡儿、青藏锦鸡儿、萨迦锦鸡儿、云南锦鸡儿和二色锦鸡儿等五种植物可作为其常用的代用品。其药用部位为该植株根和茎部位的红色木部心材,具有破血、化瘀、降压的功效,常用于治...
[期刊论文] 作者：Zhang Yi,
来源：中国物理B(英文版) 年份：2008
For a Birkhoffian system in the event space, this paper presents the Routh method of reduction. The parametric equations of the Birkhoffian system in the event...
[会议论文] 作者：zhang yi,
来源：中国长江医学论坛——2015骨科学年会暨江苏省第十七次骨科学学术会议 年份：2015
...
[期刊论文] 作者：ZHANG Yi,
来源：中国科学：技术科学英文版 年份：2001
The existence, uniqueness, globally exponential stability andspeed of exponential convergence for a class of cellular neural networks are investigated. The exis...
[会议论文] 作者：Yi Zhang,
来源：2009第四届国际基因组学大会) 年份：2009
Epigenetic modifications play important roles in diverse biological processes including regulation of gene expression,embryonic development,stem cell reprogramm...
[期刊论文] 作者：Yi Zhang,
来源：力学快报（英文版） 年份：2021
We focus on Mei symmetry for time scales nonshifted mechanical systems within Lagrangian frame- work and its resulting new conserved quantities. Firstly, the dynamic equations of time scales nonshifted holonomic systems and time scales nonshifted nonholon...
[期刊论文] 作者：Yi Zhang,
来源：力学学报：英文版 年份：2011
这份报纸集中于学习一个概括 Birkhoffian 系统的集成方法。为一个概括 Birkhoffian 系统的动态方程的参数上的变化的方法被介绍。为解决这个问题的过程能被划分成二步：第一步...
[期刊论文] 作者：ZHANG Yi,
来源：兵工学报（英文版） 年份：2010
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
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