non-equilibrium phase transition非平衡相变
1.The non-equilibrium phase transition phenome.关联白噪声驱动的具有时间延迟的Logistic系统可更真实的反映肿瘤细胞的增长问题,本文通过小时间延迟近似方法对由关联白噪声驱动的具有时间延迟的Logistic系统进行了研究,得到了系统的稳态概率密度,并进一步分析了加性和乘性噪声强度,噪声关联时间和时间延迟对稳态概率密度的影响以及噪声诱导的非平衡相变现象。
2.The result shows that softening process contains three stages:Near-equilibrium state,far-from-equilibrium self-organizing state and far-from-equilibrium critical state,and ultimately,the way of non-equilibrium phase transition leads to the generation of soft rock dissipative structure.在此基础上,采用耗散结构理论系统分析了软岩软化过程中耗散结构的形成机制:软岩软化的过程经历了近平衡态、远离平衡自组织态与远离平衡临界态3个阶段,并最终通过非平衡相变形成了具有一定稳定性的耗散结构。
3)non-equilibrium phase change非平衡相变
1.In this paper,the air-water-vapor system is taken as an example,and the formula of constant-pressure specific heat during non-equilibrium phase change process in the two-phase flow system is deduced using the theory of two-phase flow and thermophysics;corresponding calculation are employed to the actual two-phase flow process.同时,平衡相变过程比定压热容计算的流体温度要高于非平衡相变过程,两者的差异随着颗粒蒸发过程的进行而逐渐增大,且靠近轴线的差异要比靠近壁面处的差异大,颗粒半径越小,两者的差异越小。
2.The transonic steam flow with non-equilibrium phase change and condensation wave was investigated,and the influence of the aerodynamic shock on the unsteady condensing flow was revealed in this paper.研究了水蒸气跨音速流动过程中的非平衡相变及凝结冲波现象,揭示了气动激波与非平衡凝结流动之间相互作用的非定常流动规律。
4)non-equilibrium solid-state phase transformation非平衡固态相变
5)non-equilibrium phase transitions非平衡态相变
1.The non-equilibrium phase transitions of vortex matter in type II superconductor are studied within three-dimension anisotropic XY model by resistively-shunted junction(RSJ) dynamics.利用三维各向异性XY模型和电阻分流结动力学,研究了较强钉扎势下第二类层状超导体涡旋系统的非平衡态相变。
6)nonequilibrium dynamic phase transition非平衡动态相变
1.We studied within the framework of a mean-field approach the nonequilibrium dynamic phase transition of a kinetic Ising spin system subject to a perturbative field and temperature simultaneously by comparison between time-dependent Ginzburg-Landau and Glauber dynamics models.在平均场理论架构下,以含时金兹堡-朗道和Glauber动力学这两类动态模型为基础,研究了受外场和温度共同驱动的Ising自旋体系的非平衡动态相变。
延伸阅读
非平衡相变分子式:CAS号:性质:有些物理-化学系统的状态在某些非平衡条件下可发生突变,例如从一种定态突然跃迁到另一种定态或振荡态。这种现象和平衡条件下发生的相变现象有许多相似之处,因此称为非平衡相变。
