NDLTD Global ETD Search
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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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1

A Study of the Effects on Pupil Problems, Attitudes, and Discipline of an Experimental Guidance Program in a High School

White, John W. January 1948 (has links)
The purpose of this study was to try various ways and means to develop more wholesome child growth; to try to develop a better school and civic citizenship; to try to decrease child delinquency in the school and in the city of Roby.
high school
delinquency
guidance
2

Estudi i utilització de materials invariants en problemes de mecànica celeste

Masdemont Soler, Josep 09 October 1991 (has links)
La memòria consta de dues parts. En la primera d'elles s'estudien les òrbites homoclíniques i heteroclíniques associades als punts d'equilibri triangulars del problema restringit circular i pla per valors del paràmetre de masses compresos entre 0.1 i 0.5, es donen resultats referents a la seva forma i nombre. En la segona part òrbita halo al voltant del punt l1 del sistema terra-sol, utilitzant les idees geomètriques que proporciona la teoria dels sistemes dinàmics. Es comença l'estudi per models senzills a fi de veure l'essencial de la geometria del problema i la influencia de la lluna, per finalitzar utilitzant el model de sistema solar real donat per les efemèrides del JPL.
invariant manifolds
òrbites de libració
transferències
transfer orbits
problema restringit
varietats invariants
restricted three roby problem
òrbites halo
halo orbits
libration point orbits
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52
62
3

Imprint of a landscape a Yarrawa Brush story /

Roby, Ruth. January 2007 (has links)
Thesis (M.C.A.-Res.)--University of Wollongong, 2007. / Typescript. Includes bibliographical references: leaf 49-54.

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