{"id":13550,"date":"2018-03-09T08:59:52","date_gmt":"2018-03-09T08:59:52","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-mediante-tecnicas-de-dispersion-de-neutrones-de-la-dinamica-rotacional-de-grupos-metilo-en-vidrios-polimericos-y-de-bajo-peso-molecular\/"},"modified":"2018-03-09T08:59:52","modified_gmt":"2018-03-09T08:59:52","slug":"estudio-mediante-tecnicas-de-dispersion-de-neutrones-de-la-dinamica-rotacional-de-grupos-metilo-en-vidrios-polimericos-y-de-bajo-peso-molecular","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/estudio-mediante-tecnicas-de-dispersion-de-neutrones-de-la-dinamica-rotacional-de-grupos-metilo-en-vidrios-polimericos-y-de-bajo-peso-molecular\/","title":{"rendered":"Estudio mediante tecnicas de dispersion de neutrones de la dinamica rotacional de grupos metilo en vidrios polimericos y de bajo peso molecular"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Angel Jose Moreno Segurado <\/strong><\/h2>\n<p>En esta memoria se presenta un modelo para la din\u00e1mica de grupos metilo en sistemas v\u00edtreos y valido para todas las temperaturas, incluyendo la transici\u00f3n entre los regimenes limite de tunel rotacional y dinamica de saltos clasicos termicamente activados.  este modelo permite obtener, mediante experimentos de dispersi\u00f3n de neutrones, los parametros de la distribucion de barreras para rotaci\u00f3n de grupos metilo. el origen de dicha distribuci\u00f3n esta en el desorden estructural caracteristica del estado v\u00edtreo. La validez del modelo se ha comprobado en varios vidrios polimericos y de bajo peso molecular. Los resultados en estos ultimos han sido comparados con la dinamica en el estado cristalino.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio mediante tecnicas de dispersion de neutrones de la dinamica rotacional de grupos metilo en vidrios polimericos y de bajo peso molecular<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio mediante tecnicas de dispersion de neutrones de la dinamica rotacional de grupos metilo en vidrios polimericos y de bajo peso molecular <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Angel Jose Moreno Segurado <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 29\/10\/2001<\/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> Colmenero De Leon Juan<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Carlos Gomez sal <\/li>\n<li>Mar\u00eda   inmaculada Higueras sanz (vocal)<\/li>\n<li>angel Alegria loinaz (vocal)<\/li>\n<li>Francisco Batallan (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Angel Jose Moreno Segurado En esta memoria se presenta un modelo para la din\u00e1mica de grupos metilo [&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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