二级相变

  • 网络second order phase transition
二级相变二级相变
  1. 从这里确定奇异强子物质的汽液相变是二级相变。

    All the symmetry restoring at high temperature are demonstrated to be the second order phase transitions .

  2. 本文从朗道二级相变理论出发,讨论了A-15结构化合物的M点相变模型,并得到了二级结构相变的相交方向。

    Based on Landau 's theory of the second order phase transition , we discussed M point phase transition model of A-15 structure compounds , obtaining the directions of the second order structure phase transition .

  3. 随着Al含量的增加,研究的碳化物相变由弱的一级相变转为二级相变。

    The order of phase transition for LaFe_ 13-x Al_x carbides changes from the first one that is weak to the second one with the increase of Al content .

  4. 对于O2和CO的表面催化反应,我们引入了一个包括O和CO的扩散的不可逆ZGB扩散模型,非常自然地消除了二级相变点。

    We introduce a diffusion-ZGB model including the diffusion of O and CO for the surface catalytic reaction of O2 and CO , and eliminate the second-order phase transition naturally .

  5. 随机晶场作用下的键稀疏BCM居里温度随着晶场的增加而单调递减,在晶场较大处出现了三临界点,它连接着一级相变线和二级相变线。

    The system with a larger crystal field can exhibit tricritical point at which the phase transition changes from second to first order .

  6. 本文给出了多分形的动态描述,讨论了多分形的一级、二级相变以及广义熵Kq在多分形中的应用。

    The dynamics description , first and second phase transition are discussed in this paper , and the generalized entropy K_q is an useful parameter for the study of multifractals .

  7. 研究了稀土氧化物高温超导体RBa2Cu3Oy(R:一般为稀土元素)超导转变的相变性质,认为在没有外界磁场作用时超导转变为二级相变,有外界磁场作用时为一级相变。

    The property of superconducting phase transition of the high T_c superconductor RBa_2Cu_3O_y ( R : most rare earth elements ) was investigated . The conclusion was drawn that the phase transition changed from first order in magnetic field to second order in non-magnetic field .

  8. 利用推广的GinzburgLandauDevonshire(GLD)理论,研究二级相变双层铁电薄膜界面对铁电薄膜性质的影响。

    To study the influence of the surface of double layers ferroelectrics films with the second order phase transition on the feather of ferroelectrics thin films , by using the generalized theory of Ginzburg-Landau-Devonshire ( GLD ) .

  9. Ⅱ类超导体从Meissner态到混和态,从混和态到正常态的相变都是二级相变,无制冷效应。

    It is found that there is no refrigeration effect in the phase transition from Meissner state to the mixed state and from the mixed state to normal state and for both are the second order phase transition .

  10. 由介电常数的反常观察到在195K发生二级相变,从高温的非极性态转变为低温的极性态。

    A second-order phase transition from a high temperature nonpolar state to a low temperature polar state accompanied by an anomaly in the dielectric constant is observed at 195 K.

  11. 研究了带电Dilaton黑洞发生二级相变的条件,计算了临界质量、临界温度、临界视界事件位置和临界指数,并讨论了参数a对黑洞发生二级相变的影响。

    In this paper a condition that second_order phase transitions occur is studied , in electrically charged dilaton black holes . The critical mass , temperature , radius of the event horizon and exponent is calculated . It is discussed that the parameter a affects the second_order phase transition .

  12. 刚柔相嵌液晶高分子的赝二级相变温度

    Pseudo second order phase transition temperature of nematic polymers with spacers

  13. 临界点二级相变的有限时间热力学逼近

    Finite-time Thermodynamics Approach to the Phase Transition of the Second Order

  14. 以激光喇曼谱研究二级相变

    Study on Second Order Phase Transition by Laser Raman Spectrum

  15. 空间充气展开结构二级相变硬化技术研究现状

    Situation of 2nd-order Phase Transition Rigidization Technique Used in Space Inflatable Structure

  16. 激光辐照下耗散系统的双稳性临界点的二级相变特征

    Bistability in Irradiated Dissipative Systems and Its Second-order-like Transition Character

  17. 水库诱发地震的水二级相变孕震模型

    The seismogenic model of second-order phase transition of water for reservoir induced earthquakes

  18. 而二级相变点消除的关键步骤是O的扩散步骤的引入。

    The key step to remove the second-order phase transition is the introduction of O-diffusion .

  19. 磁性晶体二级相变理论与镧系金属的磁结构

    Second order phase transformation of magnetic crystals and magnetic structure of metals of the Lanthanum Series

  20. 所有的上述的分析,还一致的给出了原子核的液气相变为二级相变。

    Based on our dynamical study the liquid-gas phase transition in nuclei seems to be the second order phase transition .

  21. 随着晶场随机浓度的减小,三临界点被抑制,同时出现了二级相变线的重入现象;

    When the random concentration of the crystal field decreases the tricritical point is depressed , at the same time the reentrant phenomenon occurs .

  22. 观察到一级相变点值变大,二级相变点值变小,反应窗口变宽。

    It is observed that the width of the reactive window is broadened , the first critical point becomes larger and the second critical point becomes smaller .

  23. 提出一种自催化反应模式,证明在非平衡系统中存在类一级与类二级相变之间的转变点。

    Proposing a model of autocatalytic reactions , this paper demonstrates the critical point as a joint of second order like transition line and the first order like one existing in nonequilibrium system .

  24. 研究玻色-爱因斯坦凝聚的相变特征,证明了粒子间存在弱排斥相互作用的玻色系统的玻色-爱因斯坦凝聚是二级相变。

    The phase transition characteristics of Bose Einstein condensation are studied . It is shown that Bose Einstein condensation is a second order phase transition for a Bose system with weak repulsive interaction .