971 resultados para Circular letters


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Contains correspondence and newspaper clippings relating to the centennial birthday celebration of and memorial services for Sir Moses Montefiore; correspondence consists primarily of replies to a circular advocating the holding of memorial services issued by the Board of Delegates on Civil and Religious Rights from congregations in Buffalo, Charleston, Chicago, Cincinnati, Cleveland, and Detroit. Contains also correspondence relating to the activities of the Alliance Israelite Universelle on behalf of Palestine and the Jews in the Balkan States and Morocco and to the establishment of United States committees for the Alliance and the raising of funds, including correspondence with H. Pereira Mendes, Henry S. Jacobs, John Hay, and Adolphe Cremieux as well as letters from Baltimore, Cleveland, Detroit, Galveston, Minneapolis, Mobile, Rochester, St. Louis, and San Francisco. Also contains extensive correspondence concerning anti-semitism in Russia, aid to Jewish immigrants, and Jewish agricultural colonies in the United States, with letters from James G. Blaine, Manuel Augustus Kursheedt, Sabato Morais, Charles Nathan, Hirsch Leib Sabsovich, (Isaac N.?) Seligman and Judah Wechsler, among others. Also contains newspaper clippings and other items relating to Jewish life during the late 19th century and articles and memorabilia about various members of the Isaacs family.

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In this paper, analog solutions are presented for the response of a circular footing resting on an elastic half-space with uniform and parabolic contact pressure distributions and subjected to frequency dependent and frequency independent excitations. In addition, an analog solution to a rigid circular footing subjected to frequency dependent excitation is also presented. The results have been compared with the rigorous solution of Sung and the agreement is found to be good.

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Die Vorliegende Arbeit beschäftigt sich mit den Spannungen und Verschiebungen an einem elastischen Halbraum unter einem kreisförmigen biegsamen Fundament, wenn an der Kontaktfläche vollkommenes Haften besteht. Das gemischte Randwertproblem wird mit Hilfe von Hankel-Transformationen auf duale Integralgleichungen von Titchmarsh- Typ zurückgeführt. Für die Berechnung der Spannungen und Verschiebungen werden Gaußsche Quadraturformeln benutzt. Die Ergebnisse werden mit denen verglichen, die man bei glattem Fundament erhält, und der Einfluß der Poisson-Zahl auf die Spannungen und Verschiebungen wird deutlich gemacht. Schließlich werden die Ergebnisse für den praktischen Gebrauch in Diagrammen und Tabellen zusammengefaßt.

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Measurements of the growth of artificially generated turbulent spots and intermittency distribution in the transition region on a circular cylinder in axial flow show that the instability Reynolds number of 11,000 has a marked effect on the properties. In particular, it is found that the spot production in the initial region when a single turbulent spot has not yet wrapped around the cylinder and the propagation is essentially two-dimensional, is significantly altered. But the transition in the downstream or latter region, where most of the turbulent spots propagate onedimensionally (like the turbulent plugs in a pipe), is not affected. When the radius Reynolds number is more than 11,000, the intermittency law in the initial region is essentially the same as in twodimensional flow on a flat plate and in the latter region it is the one-dimensional flow in a pipe, the demarcation between the two regions being quite sharp.

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