<正> Let f(z)∈S, g(z) be a K-Q. C. in the z-plane, g||z|<1=f(z), we call g(z) the quasi-conformal extension of f(z). Particularly, if g(∞)=∞ we denote g(z)∈S+∞K. Similar
<正> The method for coprecipitation separation and enrichment is a method often used in analytical chemistry, because it does not require special reagents and e
<正> Sandage has given a two-color diagram with the color indices of 89 QSOs, 14 radio-quiet QSOs, 5 Seyfert nuclei and 12N-galaxies. In the diagram, the N-gala
<正> Ⅰ. INTRODUCTIONThe interferometric system using a Wollastone prism is called Schlieren interfero meter or differential interferometer. The basle principle
<正> Recently, there have been many reports on experiments of laser isotopic enrichment of SF6 with infrared multiphoton dissociation. The aim of all these expe