1) dynamical symmetry breaking
动力学对称破缺
2) breaking of dynamic supersymmetry
动力学超对称性破缺
3) explicit and dynamical chiral symmetry breaking
明确与动力学手征对称性破缺
4) Symmetry breaking
对称破缺
1.
Symmetry breaking of temperature field in spatially distributed pure dissipative systems induced by chemical reaction diffusion heat conduction couplings is analyzed in this paper.
分析了由于化学反应 -扩散 -热传导耦合而导致的非等温非均匀体系中温度场对称破缺 。
2.
While a boundary of segmentlike are existed,a new symmetry breaking mechanism can be established with defining of the boundary conditions.
首先讨论了额外空间维度模型的基本架构,当额外空间有如线段一般的边界时,通过边界条件的定义,可以建立一个新的对称破缺机制。
3.
Since the 1940 s,the study of complex system science shows out that from inorganic material world to organic life world even to the complex social economical world are all of the process of from disorder to order,with which the main dynamical cause is symmetry breaking.
本文通过对非线性、突现、分层等现象的考察,指出每一次对称破缺都可能有新质的突现,从而使自然系统的层次结构跃上一个新的台阶。
5) broken symmetry
对称破缺
1.
Through studying the broken symmetry, which is resulted from the differ.
研究了由于上、下基板锚定强度不同而引起的对称性破缺,以及对称破缺和磁场强度之间的关系,发现了不对称液晶盒一些特殊的现象。
2.
Some qualitative relations between broken symmetry,broken ergodicity and order parameter space are exposed;through them a more fundamental understanding of concepts such as phase transition,meta equilibrium phase is hoped and this makes the thermodynamics and statistical dynamics more coherently related.
考察了对称破缺的数学形式及物理本质 ,说明了对称破缺、各态历经假设及序参量空间的一些简单联系 ,并希望通过这种联系能够更深刻地理解相变、亚平衡等概念 ,增加热力学和统计力学的统一
3.
It is based on Cheng-Born theory of broken symmetry and TFDC(Thomas-Fermi-Dirac-Cheng) electron theory.
应用Cheng-Born能带对称破缺理论和TFDC(Thomas-Fermi-Dirac-Cheng)电子理论研究了薄膜层内电子的特性。
6) symmetry-breaking
对称破缺
1.
The theory and algorithm of symmetry-breaking bifurcation are applied to finding multiple solutions to the boundary value problem of the Henon equation.
运用Liapunov—Schmidt约化和对称破缺分歧的方法,计算了Henon方程边值问题的多个具有不同对称性的数值解。
2.
The theory and algorithm of symmetry-breaking bifurcation are applied to finding multiple solutions for boundary value problems of nonlinear elliptic PDE s, different symmetry properties of nontrivial solutions have been studied, and numerical multiple solutions which have vary symmetry properties bifurcating from bifurcation points are visualized.
用对称破缺分歧理论的方法计算了非线性椭圆型方程边值问题的多个解,讨论了非平凡解的各种对称性质,画出了从各个分歧点出发的具有各种对称性质的解。
3.
We choose D_(10) equivariant Brusslator reaction problem as the research model because of its abundant bifurcation phenomenon and the symmetry-breaking bifurcation theory are used to computing the solu.
本文主要运用Liapunov-Schmidt方法和对称破缺分歧理论计算各类解枝及分歧点，并画出分歧图。
补充资料：动力机械：内燃机动力学
研究内燃机运转中的力学现象的科学。其主要任务是研究分析内燃机运转时各主要零件的运动规律及其受力情况﹐用以作为内燃机零件设计﹑计算的依据。它还研究这些力对内燃机动力装置的影响及其消减方法。内燃机动力学的主要内容为曲柄连杆机构运动学﹑曲柄连杆机构动力学和内燃机平衡分析等。
曲柄连杆机构运动学 研究曲柄﹑连杆﹐尤其是活塞的运动规律。活塞作周期性往复运动时的位移
、速度
和加速度
可用下述各式近似求算
式中为曲轴转角﹔ 
为曲轴旋转角速度﹔
为曲柄半径﹔
为曲柄半径 与连杆长度
之比﹐即 ＝ /
曲柄作回转运动﹐连杆作复杂的平面运动。连杆的运动往往被简化分解为随活塞组的往复运动和随同曲柄的旋转运动。
曲柄连杆机构动力学 研究分析曲柄连杆机构(见曲柄滑块机构)在运动中力的生成﹑传递和输出。作用在曲柄连杆机构上的力有曲柄连杆机构运动时产生的往复惯性力和离心惯性力﹐以及内燃机气缸内的气体压力。
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