{"id":135293,"date":"1997-01-01T00:00:00","date_gmt":"1997-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/contribuciones-a-la-tecnica-de-la-espectrometria-gamma-para-la-medida-de-bajas-actividades\/"},"modified":"1997-01-01T00:00:00","modified_gmt":"1997-01-01T00:00:00","slug":"contribuciones-a-la-tecnica-de-la-espectrometria-gamma-para-la-medida-de-bajas-actividades","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/contribuciones-a-la-tecnica-de-la-espectrometria-gamma-para-la-medida-de-bajas-actividades\/","title":{"rendered":"Contribuciones a la tecnica de la espectrometria gamma para la medida de bajas actividades."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Bego\u00f1a Quintana Arnes <\/strong><\/h2>\n<p>En este trabajo, se ha realizado la puesta a punto de un sistema de espectrometria gamma y de su blindaje para la medida de muestras ambientales con el objetivo de reducir los niveles del fondo del laboratorio en los espectros, consiguiendose reducciones de hasta el 50% en los fotopicos de las emisiones de los descendientes del rn222.  ademas, se proponen y desarrollan dos nuevos metodos que conducen a la obtencion de resultados mas exactos y precisos de muestras que contienen bajas concentraciones de radionuclidos. El primero es un metodo empirico para el calculo de las correcciones por suma en coincidencia a las areas de los fotopicos procedentes de emisiones en cascada y el segundo un metodo de ajuste no local de la componente continua del espectro que demuestra producir resultados mas representativos del valor real que los dados por un metodo local como el sampo 90 en una mayor variedad de caracteristicas de los espectros.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Contribuciones a la tecnica de la espectrometria gamma para la medida de bajas actividades.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Contribuciones a la tecnica de la espectrometria gamma para la medida de bajas actividades. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Bego\u00f1a Quintana Arnes <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1997<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Francisco Fernandez Gonzalez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Gomez Gomez Jos\u00e9 Mar\u00eda <\/li>\n<li>Manuel Garcia Leon (vocal)<\/li>\n<li>Rafael Nu\u00f1ez-lagos Rogla (vocal)<\/li>\n<li>Antonio  Salvador Baeza Espasa (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Bego\u00f1a Quintana Arnes En este trabajo, se ha realizado la puesta a punto de un sistema de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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