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<p>The physical concept of structure-phase states of water and aqueous solutions low stable to external impacts is developed. The concept allows one to understand physics of various observable effects in water and aqueous solutions. In particular, the concept allows the role of external impacts (temperature, mechanical shaking, etc.) in the Epstein effect to be explained. Our analysis of thermodynamic and phase low stable states of physical system allows us to propose an adequate mechanism of system transition to a&#xa0;new structure-phase state under a&#xa0;weak external impact (temperature, pressure, or dynamic loading in the form of shaking or intensive mixing). In spite of the fact that the external impact is weak, it can lead to considerable structure-phase changes of the system state, since the structural units in the initial and final states, though are close thermodynamically, can essentially differ in structure-phase features and symmetry.</p>

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Joint impact of temperature and pressure on the state and properties of a liquid

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • A. I. Potekaev,
  • V. V. Obukhov

摘要

The physical concept of structure-phase states of water and aqueous solutions low stable to external impacts is developed. The concept allows one to understand physics of various observable effects in water and aqueous solutions. In particular, the concept allows the role of external impacts (temperature, mechanical shaking, etc.) in the Epstein effect to be explained. Our analysis of thermodynamic and phase low stable states of physical system allows us to propose an adequate mechanism of system transition to a new structure-phase state under a weak external impact (temperature, pressure, or dynamic loading in the form of shaking or intensive mixing). In spite of the fact that the external impact is weak, it can lead to considerable structure-phase changes of the system state, since the structural units in the initial and final states, though are close thermodynamically, can essentially differ in structure-phase features and symmetry.