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thermodynamic nature
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  热力学性质
     Thermodynamic nature analysis on ferromagetic crystal Ising model low - down Bethe approximate
     铁磁晶体在Ising模型下作Bethe近似时的热力学性质分析
短句来源
     A Study on Thermodynamic Nature of the Variation of Deybe Temperature of Crystal Indium with Pressure
     德拜温度随压强变化时晶体铟热力学性质研究
短句来源
     When a separating body is viewed as a non-equilibrium irreversible thermodynamic process, the full thermodynamic nature of the surface energy induced by crack propagation becomes apparent.
     当把物体的开裂视作为一个非平衡不可逆热力学过程,表面能的整个热力学性质也就清楚了。
短句来源
     On the basis of study on Muping - Rushan gold and lead-zinc hydrothermal deposits ofEastern Shandong Province, the paper presente a method of setting up a hydrothermal ore-forming reaction system. And following conclusions on geochemical dynamic controlling during the course of hydrothermal minerauzation are drawn: (1)The regional tectonic activities control the concentration of dispersion of elements in the ore - forming process by means of its effect on thermodynamic nature and conditions of the ore-forming reaction system.
     通过对胶东牟平—乳山热液脉状金,铅锌矿床成矿动力学控制规律的研究,说明了建立热液成矿反应体系的方法,并得出以下认识:(1)区域断裂构造活动,通过影响成矿反应体系的热力学性质和条件,控制元素的富集和分散。
短句来源
     Tremendous protential formula of the ideal gas are derived by using the method of quantum statistical mechanics,the thermodynamic nature of ideal gas is studied the classical limits of ideal gas. Quantum statistic results are discussed.
     利用量子统计力学方法得到的理想气体的巨势表达式 ,研究了理想气体的热力学性质 ,讨论了理想气体量子统计结果的经典极限 .
短句来源
  热力学本质
     Progogine's dissipation structure theory, this paper probes the idea that the thermodynamic nature of ecological balance is a steady, ordered structure of an ecological system.
     Progogine的耗散结构理论探讨了生态平衡的热力学本质是生态系的稳定有序结构。
短句来源
     Based on non-equilibrium thermodynamics and dissipative structure theory methods, the author discusses and reveals the problems of the formation and stability of the frozen-wall system and its thermodynamic nature, and proposes the thermodynamic entropy models of the system. The result is a great satisfaction.
     利用非平衡热力学和耗散结构理论方法,作者论述了冻结壁系统的形成及其稳定问题,剖析了它们的热力学本质,提出了冻结壁系统的热力学熵模型,其结果令人满意。
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  “thermodynamic nature”译为未确定词的双语例句
     Study on Thermodynamic Nature of Aromatic Hydrocarbons on a Stationary Phase of Bis-(monohexadecyl Phosphate)Tin(Ⅳ)
     芳香族化合物在十六烷基磷酸锡固定相上的热力学性质研究
短句来源
     On the basis of recent hydfothermal experiments and solubility calculation of noble metals, the mechanisms of paragenesis and separation noble metals are studied. It in concluded that the characteristics of siource regions,the nature and active history of hydrothermal solution,the types and thermodynamic nature of complexes,the relative contents of noble metals,and the physicochemical conditions of precipitaticn should be emphasized.
     依据国外贵金属最新水热实验研究和溶解度计算结果,对热液条件下金、银和铂族元素的共生分离机制进行了综述,指出源岩特征、热液性质和活动历史、配合物类型及其热动力学性质、贵金属相对溶解度和沉淀物理化学条件等因素值得予以重视。
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  thermodynamic nature
The thermodynamic nature of the massive transformation may be revealed by finding the limiting conditions for the massive mode of growth.
      
The thermodynamic nature of the threshold has been established, and it is found that the penetration of the organic molecules between the layers involves the formation of an order intercalation phase.
      
Thermodynamic nature of exponential empirical time dependences of strength characteristics and the failure of materials.
      
The problem of the existence of a strong stochasticity threshold in the FPU-β model is reconsidered, using suitable microcanonical observables of thermodynamic nature, like the temperature and the specific heat.
      
The author of the present paper hopes that the thermodynamic nature of biological evolution will be perceived in the nearest future.
      
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First, we cannot but talk in a few words about rheological fracture, because of this subject is generally understood as a self-contradictory one. In fact, Griffith's works just sixty years ago signaled the beginnings of a mechanics of fractcture, he realized and investigated the beginnings of a mechanics of fracture, he realized and investigated the phenomena of rupture and flow in solids. However it must be remembered that rheological mechanics sixty years ago was not well developed. Today from rheological...

First, we cannot but talk in a few words about rheological fracture, because of this subject is generally understood as a self-contradictory one. In fact, Griffith's works just sixty years ago signaled the beginnings of a mechanics of fractcture, he realized and investigated the beginnings of a mechanics of fracture, he realized and investigated the phenomena of rupture and flow in solids. However it must be remembered that rheological mechanics sixty years ago was not well developed. Today from rheological mechanics we know that any material may be caused to flow by varying temperature and force field. If defined as isotropy group of the material at particle Ⅹ, with respect to the reference configuration, then solid is a material whose isotropy group is the orthogonal group and fluid whose isotropy group is the full unimodular group. All continuous deformations form a symmetric group. At rupture, the nature of the group changes. In other words, the change into a state of rupture may be interpreted as an asymptotic phenomenon which imposes a constraint on the invariants of the field tensor. In this new light, flow and rupture are all physical quantities, and any physical quantity has a mathematical background itself. The mathematical background of flow can be in terpreted as a mapping of one topological space into another and of rupture is then the corresponding mapping should become singlar, because of at rupture the macro-element breaks down, and the mo Julus of transformation tends to infinite. Therefore. they are relative, with one another. Rheological fracture is rest upon this mathematical background.The conclusion of our other article is that the fracture is a purely rheological process not influenced by surface energy, but yet the introduction of surface energy into the continuum description of the fracture process forces a major departure from the mechanics appropriate to the non-separation body. We realized that by virtue of this additioncd term however, the possibility of obtaining a corresponding local balance equation directly as a derived consequence of the global balance statement, as is customary in classical continuum mechanics, is lost. They must instead be imposed additional postulates about separating. When a separating body is viewed as a non-equilibrium irreversible thermodynamic process, the full thermodynamic nature of the surface energy induced by crack propagation becomes apparent.Aug mechanical process in a rheological material produees dissipated energy. Thus, in order to properly describe the propagation of a crack it is necessary to consider the rheological solid mechanically as a dissipature type media, and so in the global energy balance law must inclusion the rate-of-energy dissipation term which represent the behavior of rheological materials. According to the character of the surfaces of a propagating crack, the balance equations are material rate equations.Moreover, we have already known from continuum thermodynamics that irreversible processes must be associated with entropy production. Irreversible crack propagation will then, under some conditions, contribute the entropy content to the separationg body, and fracture, in order to be properly viewed, should be viewed as a rhological process with memory.The insights that have been raised here. which not only concerned with thermodynamic first law but second law. require explanation and mathematical argument if rheological fracture is to be given a proper theoretical basis. In this paper, this theoretical basis of rheological fracture is given.We have shown that the thermorheological material with memory can be defined as aviscoelastic material with memory according as thermorheological material response, it only necessary exists certain relation between the time and the temperature history. By virtue of the planestrain crack growth relations can be applied even when the global state of body is one of plane stress, it is only necessary that the failure zone be small enough for the neighborhood of the crack-tip to be in plane strain. Th

首先,关于流变断裂我们不能不说几句,因为这个课题一般被理解是自相矛盾的。实际上,整六十年前Griffifh的工作标志着断裂力学的开始,他那时就认识到并研究了固体中的破裂和流动现象。可是必须提及,流变力学在六十年前还没有很好发展起来。今天,我们从流变力学知道,由于温度和力场的变化可引起任一材料发生流动。若将(?)定义为质点×存参考构形(?)的实质迷向群,则固体是迷向群为正交群的材料,而流体就是迷向群为全幺模群的材料。整个连续变形形成对称群。破裂时,群的性质改变。换句话说,可以把变到破裂状态看作是一种渐近现象,它给场张量不变量以限制。在这个新的看法中,流动和破裂都是物理量,而任一物理量都有它自身的数学背景。流动的数学背景可视为从一个拓扑空间到另一拓扑空间的映射,而破裂的数学背景则是相应的映射变为奇异的,这是由于破裂时宏观组元破坏,变换模趋于无穷大的缘故。从而,它们是彼此相关的。流变断裂学就是建立存这个数学背景上。我们另一文的结论是,断裂是不受表面能影响的一个纯粹流变过程。可是,把表而能引入断裂过程的连续统力学描述中,才主要地使它从适用于未裂体的力学独立出来。但我们认为,由于这项引入,使得经典连续统力学惯刚的把相应...

首先,关于流变断裂我们不能不说几句,因为这个课题一般被理解是自相矛盾的。实际上,整六十年前Griffifh的工作标志着断裂力学的开始,他那时就认识到并研究了固体中的破裂和流动现象。可是必须提及,流变力学在六十年前还没有很好发展起来。今天,我们从流变力学知道,由于温度和力场的变化可引起任一材料发生流动。若将(?)定义为质点×存参考构形(?)的实质迷向群,则固体是迷向群为正交群的材料,而流体就是迷向群为全幺模群的材料。整个连续变形形成对称群。破裂时,群的性质改变。换句话说,可以把变到破裂状态看作是一种渐近现象,它给场张量不变量以限制。在这个新的看法中,流动和破裂都是物理量,而任一物理量都有它自身的数学背景。流动的数学背景可视为从一个拓扑空间到另一拓扑空间的映射,而破裂的数学背景则是相应的映射变为奇异的,这是由于破裂时宏观组元破坏,变换模趋于无穷大的缘故。从而,它们是彼此相关的。流变断裂学就是建立存这个数学背景上。我们另一文的结论是,断裂是不受表面能影响的一个纯粹流变过程。可是,把表而能引入断裂过程的连续统力学描述中,才主要地使它从适用于未裂体的力学独立出来。但我们认为,由于这项引入,使得经典连续统力学惯刚的把相应局部平衡方程作为整体平衡描述的直接结论的可能性就丧失掉。它们必须代以作为裂开的附加假设。当把物体的开裂视作为一个非平衡不可逆热力学过程,表面能的整个热力学性质也就清楚了。流变性材料的任何力学过程都要耗散能量。因此,为能正确地描述裂纹扩展,就需要把流变固体从力学上看作是耗能型介质,从而在整体能量平衡规律中必须计及标志流变性材料特性的耗能率。根据扩展裂纹表面的特征,平衡方程是实质率型方程。此外,我们从连续统热力学知道,不可逆过程必然伴有熵产生。在某种情况下,不可逆的裂纹扩展向开裂体提供了熵含量,从而为了正确的看待,应将断裂视作为带有记忆的流变过程。为给流变断裂学以正确的理论基础,对这里提出的不仅涉及热力学第一定律而且涉及第二定律的一些看法,就需要加以解释和数学论证。本文给出流变断裂学的这样理论基础。我们表明,根据热流变性材料响应,只要时间和温度历史间存在一定关系,热流变性记忆材料就可定义为一种粘弹性记忆材料。由于甚至物体的整体状态是一种平面应力状态时,平面应变裂纹增长公式也适用,这仅要求对于是平面应变的裂纹尖端邻域来说,衰坏区足够小。所以,我们应用Graham的广义粘弹对应性原理,从而简化了流变体的断裂问题。

Using spectral theory of linear operators, a theory describing the behavior of electromagnetic field caused by propagation of biological energy start from the fundamental principles of theological mechanics is formulated. The field equations inclusive of constitutive equation are established. The equilibrious.biological field and the biological field response are discussed. The thermodynamic nature of the biological field behavior of human body is taken into account. A mathematical general framework within...

Using spectral theory of linear operators, a theory describing the behavior of electromagnetic field caused by propagation of biological energy start from the fundamental principles of theological mechanics is formulated. The field equations inclusive of constitutive equation are established. The equilibrious.biological field and the biological field response are discussed. The thermodynamic nature of the biological field behavior of human body is taken into account. A mathematical general framework within which one could theoretically develop biological field hypothesis of human body is provided.

从流变力学基本原理出发,应用线性算子的谱论,明确表达了描述生物能传播引起的电磁场性的一个理论。建立起包括本构方程在内的场方程。讨论了平衡的生物场和生物场响应,还考虑到人体生物场行为的热力学特性。这样,我们就提供了可以理论地发展人体生物声假说的一个一般的数学框架。

In this paper, a general form of the plastic constitutive relation is deve- loped based on fundamental laws in thermodynamics by viewing the plastic deformation as an irreversible thermodynamic process and proving the convex- ity and normality rule of the dissipation function in the generalized dissipa- tive force space and generalized dissipative rate space. In addition, the same discussion shows that the Drucker's postulate and Ilyushin's postulate are the direct results of entropy inequality so that the thermodynamic...

In this paper, a general form of the plastic constitutive relation is deve- loped based on fundamental laws in thermodynamics by viewing the plastic deformation as an irreversible thermodynamic process and proving the convex- ity and normality rule of the dissipation function in the generalized dissipa- tive force space and generalized dissipative rate space. In addition, the same discussion shows that the Drucker's postulate and Ilyushin's postulate are the direct results of entropy inequality so that the thermodynamic nature of the two postitutes is demonstrated. It is also shown that the theory of plastic potential can be established from the potential of non-equilibrium state in plasticity, and accor ding to the viewpoint of linear non-equilibrium theory, the flow rule between the theory of plastic potential and the Mises condition can be derived directly from the Onsager's theory. It is seen that itt modern plasticity the fundamental dostulates, the fun- ction of plastic potential, the constitutive equations so derived, as well as the conclusions always follow fundamental ther modynamic laws. Finally, two commonly used energy-variation-based minimum value prin- ciples are proved from the fundamental laws of thermodynamics.

本文从不可逆过程热力学的基木原理出发,通过对耗散函数的正交性和外凸性的讨论,来建立塑性力学本构关系的一般形式,并且指出,从热力学的观点来看,Drucker公设和      公设是熵不等式的直接结果。文中还证明塑性位势理论与Mises条件相关联的流动法则;可以直接从线性热力学的Onsager定律推出。最后,还从热力学的基本定律出发,证明了两个能量变分的最小值原理。

 
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