Applications: non-interacting Bose and Fermi gases; mean field theories for real gases, binary mixtures, magnetic systems, polymer solutions; phase and reaction equilibria, critical phenomena. 应用:无交互作用的玻色及费米气体、应用在真实气体的平均场论、二元混合体、磁性系统、聚合物溶液、相平衡与反应平衡、临界现象。
This classification is useful to the study of critical phenomena, especially in non-equilibrium systems including the multi-stable systems. 这种分类法对于平衡与非平衡相变的研究,均有其参考价值。
Critical phenomena in laser system, in which optical bistability can occur, are studied with concrete examples and described by the mean field theory in detail. 通过实际事例研究了可能出现光学双稳性的激光系统中的临界现象,并且用平均场理论作详细描述。
Phase transitions and critical phenomena have been clarified for an XY model on the triangular lattice of ultra thin magnetic films. 采用经典XY模型,阐明了三角格子上层状超薄膜磁性材料的相变和临界现象。
Critical phenomena of airplane motion mechanics and operability 飞机动力学和操纵性临界现象
When temperature is very close to the temperature of phase transition, critical phenomena appear in the system. Fluctuation of order parameters leads to the failure of Landau theory of phase transition. 但是,在充分接近相变点时,系统出现临界现象,序参量有显著的涨落,这导致Landau理论的失效。
The phase transition and critical phenomena study of ferromagnetic systems has always been a very important part in the field of condensed matter physics and statistical physics. 磁自旋模型的相变问题研究是凝聚态物理学和统计物理学研究中一个非常重要的领域。
The gist of this method is that the behavior which contributes to critical phenomena is not small scaling one, but big scaling one ( i.e. the correlative length is infinite) when phase transition happens. 这种方法的依据是,系统发生相变时,对临界行为起作用的不是小尺度行为,而是大尺度行为(关联长度无穷大)。
Critical Phenomena of the Bistability in Chemical Reactions and Landau Theory of Phase Transitions 化学反应中的双稳性的临界现象及Landau相变理论
Faced with the more and more critical phenomena of false financial reports of list companes, this paper analyzes basic reason& the audit paying way systematically, and gives some suggestions on improving current audit paying way. 针对我国上市公司财务报告虚假陈述越来越严重的这一现实,对产生此现象的根本原因即审计收费方式进行了系统的分析,并提出了改善现有收费方式的对策建议。
Research on the Dynamic Characteristic of Sand-Pile Evolvement and the Self-Organized Critical Phenomena 沙堆演化动态特性及自组织临界现象研究
This article educes the non-equilibrium phase transition based on equilibrium phase transition and introduces the general methods for dealing with phase transitions and critical phenomena. 本文就是在平衡相变的基础上引出了非平衡相变,并介绍了通常的处理相变和临界现象的方法。
Conclusion: Solubility behavior of D (-)-ephedrine and DL-pseudoephedrine in CO2 fluid exists critical phenomena. 结论:D-(-)-麻黄碱和DL-伪麻黄碱在CO2中的溶解行为存在临界异常现象。
The characteristics of the percolation model and its connection with critical phenomena and phasetransitions are described in this paper. The applications in critical phenomena and phase transitions are also illustrated with the examples of the site percolation which is explained by the computer simulation. 本文阐述了渗流模型及其特征和它与临界现象及相变的联系,举例说明它在临界现象与相交中的应用,并给出了用计算机模拟座渗流的例子。
The critical phenomena of water+ 3-methylpyridine+ sodium bromide have been studied by measuring refractive indexes in two coexisting phases. 本论文用折射率法研究了水+3-甲基吡啶+溴化钠三元溶液的临界跨接现象。
Flow patterns of falling liquid films and critical phenomena due to film breakdown are described. 详细描述了液膜流态和液膜破断临界现象。
Representation and Classification of the Algebra of Two Dimensional Groups and Application to Critical Phenomena 二维共形群代数的表示和分类及其在临界现象中的应用
Critical Phenomena in Laser Systems with Optical Bistability 存在双稳性的激光系统中的临界现象
The critical phenomena of bistability is discussed on the basis of the relaxation equation of the nonlinear systems with a time-delayed feedback. 本文以具有反馈时间延迟的非线性系统弛豫方程为出发点,讨论了双稳态临界点的临界现象。
Critical Phenomena of Autocatalytic Reactions 自催化反应的临界现象
Dynamical phase transition and self-organized critical phenomena in the two-dimensional gas lattice model 二维格气模型中动力学相变与自组织临界现象
Research on Phase Transition and Critical Phenomena of Two Lattice with Different Symmetry Using Renormalization Group 用重整化群方法研究两种具有不同对称性的晶格的相变和临界现象
Because of the exiting of the complexity of the society system and the critical phenomena, it is difficult to forecast the external effects and the degree of the technology to the society. 由于社会系统的复杂性和临界现象的存在,使得技术在社会中所产生的外部效应及其大小具有不可预测性。
The critical phenomena of optical bistability in two dissipative systems, i. e. the chemical reaction system and the Josephson junction, both driven externally by coherent light field, are examined by Landau ( mean field) theory of phase transition in equilibrium thermodynamics. 用平衡相交的Landau平均场理论,分别考察了两个在相干光驱动下的耗散系统(即化学反应系统和Josephson结)中的光学双稳性及其临界现象。
Phase transitions and critical phenomena are the extremely important research fields, such as the transition between ferromagnet and paramagnet, conductor and super-conductor, normal-liquid and super-liquid, etc, which are all belong to critical phenomena. 相变与临界现象是物理学中极为重要的研究领域,如铁磁体-顺磁体间的转变,导体和超导体的转变,正常流体和超流体的转变等,都属于临界现象。
As one of the nicest theoretical techniques available for dealing with severely disordered systems and stochastic-geometry situations, percolation theory provides a well-defined, transparent, and intuitively satisfying model for spatially random processes, which is widely used for illustrating phase transitions and critical phenomena. 逾渗理论是处理强无序和随机几何结构系统的最好理论方法之一,它为描述空间随机过程提供了一个明确、清晰、直观的模型,广泛应用于相变和临界现象的研究。
Critical phenomena in optical bistability and chaos 光学双稳态和混沌运动中的临界现象
In view of the quasi-thermodynamic model, the critical phenomena and phase transitions in optical bistability are discussed systematically and generally. 然后运用此模型系统而普遍地讨论了光学双稳系统的临界现象与相变。
Grid node in the critical phenomena, power distribution, the critical point of the determination of measures to be taken to avoid the critical operation of power grids in order to prevent blackouts in chain reaction accident is the purpose of this article. 电网中的结点的临界现象、功率分布的计算、临界点的确定,采取何种措施来避免电网的临界运行,以预防连锁反应大停电事故的发生是本文的目的所在。
It is already proved that the crisis-induced intermittency is a kind of critical phenomena and obeys a universal scaling law, we therefore guess that the layered network hopping-occurrence phase transition is also a kind of critical phenomena, and obeys similar scaling behavior. 前人已经证明了激变导致阵发是一种临界现象,遵从普适的标度律。我们因此猜想层状网跳跃发生相变也应该可以看作一种临界现象,遵循可以类比的标度律。