The exchange of dissolved substances between mud and water in lakes, ii

With the neglect of the translational motion of the bubble, approximate solutions may be found for the rate of solution by diffusion of a gas bubble in an undersaturated liquid‐gas solution; approximate solutions are also presented for the rate of growth of a bubble in an oversaturated liquid‐gas solution. The effect of surface tension on the diffusion process is also considered.

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H. T. H. Piaggio

Papers

Introduction to the Mathematical Theory of the Conduction of Heat in Solids. 2nd ed. By H. S. Carslaw. Pp. xii + 268. 30s. net. 1921. (Macmillan.)