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An electroscope and technique for measuring the radon content of soil gas are described. Measurements were made to answer several questions regarding the radon content of soil gas. It was found that there is no systematic increase of radon content with depth of penetration into a soil, that soil...
Because of the equivalence of the pressure in a liquid bearing sand to a velocity potential, an analysis has been carried through of the potential theory of the electrical analogue of an artesian well partially penetrating a water bearing sand. Part I. In Part I the method of analysis is...
It is shown that the decomposition in transformer oils may be followed rather closely by measuring the dielectric constant of the oils as they deteriorate in service, the method being sufficiently accurate to distinguish between different oils. These data are compared with those obtained on oils...
The speed factor of a diffusion pump is defined as the ratio of its real speed to the ideal maximum speed. The fact that the speed factor is much less than unity is due to three causes, namely, the vapor dispersed through the slit, the nozzle chamber resistance and the diffuse reflection of gas...
The desirable properties of rotary drilling fluid in the technique of boring oil wells are considered. An analysis of the problem of elimination of cuttings by differential settling with reclamation of the colloidal content of clay dispersions shows that viscosity should be lowered as much as...
The Debye theory of polar molecules leads to the conclusion that the anomalous dispersion due to dipoles which has been observed at high frequencies should also be found at low frequencies. Supercooled glycols are viscous enough at low temperatures to show dispersion at low frequencies. Real and...
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