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In this study, the signal paths in intrabody communication channels are discussed by evaluating the electric fluxes between conductors and the earth ground. This study is based on the equivalent circuit model of which parameters are obtained via an electrostatic analysis. The obtained results clarified the electric flux flows in the communication channels,… (More)
A spectrophotometric method is described for the determination of 2-80 mug of ruthenium. The method involves oxidation of ruthenium to ruthenate, addition of 8-quinolinol, adjustment of the pH to 4-6.5, digestion of the complex formed at 85 degrees for 30 min, extraction with chloroform, and measurement of absorbance at 430 nm. Almost all other metals and… (More)
A rapid extraction separation method is described for the radiochenaical determination of cobalt-58 and cobalt-60 in reactor coolant water. After adjustment of the pH of the sample water to 5.0-5.5, cobalt diethyldithiocarbamate is extracted with benzene. Other nuclides, e.g., manganese-54 and -56, copper-64 and iron-59, which are usually present in reactor… (More)
We performed analysis of a planar waveguide with arbitrary index variations. We obtained numerical results for the propagation coefficient by using first-order Langer and Liouville transformations. The accuracy of the numerical results is confirmed by a comparison with those obtained by other methods.