随着阳离子半径的减少，水的活度降低，水合物相平衡压力增高，温度降低；
The water activity increase with increased cation ionic radius, which results in the decreased inhibiting effectiveness.
随着阴离子半径的增加，水的活度降低，水合物相平衡压力增高，温度降低；
The water activity decrease with increased nation ionic radius, which results in the increased inhibiting effectiveness.
总结了有机相酶催化的优点与影响因素，其中水活度与溶剂为众多因素中最为引人注目的两大因素。
Factors which affect the efficiency of enzyme catalysis in organic media were discussed. In all of the factors. water activity and solvent are the two important factors.
活度系数是形态分布模型中的关键性参数之一，对定量描述水、岩之间的元素迁移具有重要意义。
Activity coefficient is an important parameter in aqueous speciation models, and plays an important role in describing the mass transfer between water and rock quantitatively.
水活度的演化特征表明，变质流体在变质作用过程中，对变质反应温度起着一定的缓冲作用。
The evolutionary feature of the water activity shows that the metamorphic fluids may have played a buffering role in the metamorphic reaction temperature during the metamorphic stages.
重点介绍了生物技术方法对其改性的优越性及在生物改性过程中反应介质、水活度、 生物催化剂选择上所面临的挑战。
Utilizing biological technique on modification of them was emphasized and the choices of reaction media, water activity and biocatalyst by biological method were introduced.
通过建立和求解一个地区饮水水溶液模型可获得标准致病水与非致病水的各种化学组份活度。
The activities of various chemical compositions of the standard pathogenic water and non - pathogenic water in a region can be estimated through establishing and solving the groundwater aqueous model.
田表水及表土中125I的比活度随时间而下降，到第60天田表水中125I的比活度下降到只占引入量的019％；
The specific activity of 125I in paddy water and topsoil decreased with time. On the 60th day, the specific activity of 125I in paddy water reduced to 019% of the initial.
田表水及表土中125I的比活度随时间而下降，到第60天田表水中125I的比活度下降到只占引入量的019％；
The specific activity of 125I in paddy water and topsoil decreased with time. On the 60th day, the specific activity of 125I in paddy water reduced to 019% of the initial.
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