hygroscopic equilibrium是什么意思

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This article summarized systematically the previous investigations on t he dielectric relaxation of wood, the main substances and extractives in wood at oven-dry state, and the dielectric relaxation based on the adsorbed water in w o od cell wall under equilibrium and non-equilibrium state.

本文较系统地归纳了迄今为止有关绝干状态木材细胞壁构成主成分和抽提成分 ,水分平衡及非平衡状态下木材细胞壁中吸着水的介电弛豫方面的研究 ,并对今后的研究方向作了讨论。

In order to investigate the interaction between adsorbed water and wood during moisture adsorption and desorption processes, the dielectric approach and thermodynamic approach are respectively applied in this study.

以绝干状态→20℃,60%RH平衡态的吸湿过程为例,将基于吸着水分子回转取向运动的介电弛豫与基于木材无定形区中伯醇羟基回转取向运动的介电弛豫进行分离,并在Eyring的绝对速度反应论的基础上,求得了与吸着水分子进行回转取向运动相关连的热力学量,得到了在吸着过程中吸着水分子与木材吸着点之间的氢键结合随着水分吸着进程的变化情况。