Ir al contenido

Buscador de Tesis y publicaciones académicas

Consulta más de 250 millones de tesis, artículos científicos, ponencias y datasets de repositorios abiertos de todo el mundo. Encuentra antecedentes para tu investigación y descarga los que son de acceso libre.

3.246.128 resultados

Se pueden recorrer los primeros 10.000. Afina la búsqueda con los filtros para llegar a lo que buscas.

Tesis doctoral 2035 Acceso abierto

SORCIÓN SIMULTÁNEA DE IONES FLUORUROS Y ARSÉNICO(V) EN UN MATERIAL DE ORIGEN NATURAL MODIFICADO CON HIERRO Y ALUMINIO

Vázquez-Mejía, Guadalupe · Martínez Miranda, Verónica · M. J. Solache-Ríos, / · Fall, Cheikh

El elevado contenido de iones fluoruro y arsénico en el agua subterránea se presenta en varios países del mundo y la ingesta excesiva de estos iones principalmente a través del agua resulta un grave riesgo para la salud de la población. La coexistencia de estos iones puede tener efectos adversos debido a la sinergia y/...

iones F- y As adsorción parámetros termodinámicos pruebas en continúo
  • Elsevier BV
  • Mexico
  • Spanish; Castilian
Leer el documento
Tesis doctoral 2032

A REVISION OF NORTH AMERICAN MASARINAE AND EUPARAGIINAE (HYMENOPTERA: VESPIDAE)

Green, Nathaniel M. D.

Masarinae and Euparagiinae (Hymenoptera: Vespidae) are uncommon lineages of wasps with distinct natural histories. This dissertation integrates phylogenetic analysis taxonomic revision, and ecological trait evolution to elucidate the diversity and describe morphological evolution of the North American Masarinae and Eup...

biological sciences Phylogenetics Plant-Pollinator Interactions Systematic Biology
  • Washington State University
  • English
  • DOI: 10.7273/000008413
Ver ficha
Tesis doctoral 2032

Exploring Political Orientation and Perceptions of Gender-Neutral Language in Advertising

Donnadieu Borquez, Anabella

The term Latinx, a gender-neutral alternative to Latino and Latina, has become more prevalent in recent years, despite ongoing controversy regarding its use. As this term seeks to make visible Hispanic/Latino consumers who do not identify with the gender binary, and as our society embraces greater diversity and inclusi...

Advertising IAT Latinx Political Orientation
  • English
  • DOI: 10.7273/000007362
Ver ficha
Tesis doctoral 2031

When Salespeople Come Calling (For Payment!)

Liu, Muzi

The study of sales-accounting interface is a nascent area in the literature. The sales-accounting interface studies salespeople’s engagement and influence on accounting activities. One such accounting activity is holding salespeople responsible for late payments, which is a job responsibility that some sales organizati...

Late Payment Collection Customer-Directed Deviance economics and business social sciences
  • English
  • DOI: 10.7273/000005311
Ver ficha
Tesis doctoral 2031

Neuromechanical Adaptations During Pregnancy and Their Impact on Obstacle Avoidance and Tripping

Jamali, Pegah

Falls during pregnancy occur at a 25% rate, with tripping being one of the major causes. To prevent trips, we rely on neurocognitive processes which may change during pregnancy and affect obstacle avoidance. The first aim of this research was to examine how pregnancy alters neurocognition and obstacle crossing behavior...

Neurocognitive processes Ground reaction forces Neurocognitive involvement
  • Washington State University
  • English
  • DOI: 10.7273/000008386
Ver ficha
Tesis doctoral 2031

Directed Evolution of Multivalent 2'-Modified RNA Towards Protein Targets

Ziperman, Emily

This new SELMA methodology was first applied to HIV broadly neutralizing antibodies (bnAbs) 2G12 and PGT128, which recognize clustered high-mannose (Man9) glycans on the viral envelope protein gp120. Four parallel selections were conducted towards these antibodies with two Man9 glycoconjugates over eleven to twelve rou...

basic medicine medical and health sciences
  • Brandeis University
  • English
  • DOI: 10.48617/etd.1645
Ver ficha
Tesis doctoral 2031

TIME IS IMPORTANT! THE EFFECT OF TEMPORAL LANDMARKS ON PERCEPTION, ATTENTION, AND MOTIVATION

Bi, Sheng

Temporal landmarks refer to those points in time that “stand out more starkly than others on socially shared calendars or personal life timelines” (Shum, 1998). Marketers use almost all the meaningful temporal landmarks to promote their products. Across three essays, my dissertation tests how different temporal landmar...

Preference for Nostalgic Products Attentional Focus Preference for High Arousal Products economics and business
  • English
  • DOI: 10.7273/000006430
Ver ficha
Tesis doctoral 2031

Mobilizing Distrust: Understanding Institutional Power in the Anti-5G Movement

Halford, Sarah J

Contrary to popular narratives that purport that radical discourses lead to public distrust of institutions, I find that the social contexts in which institutional distrust is developed encourages individual’s receptiveness to radical discourses. In the anti-5G movement context, I find that a combination of perceived i...

media and communications 9. Industry and infrastructure Culture in Action social sciences
  • English
  • DOI: 10.48617/etd.1249
Ver ficha
Tesis doctoral 2030

BRIDGING MICROBIAL FERMENTATION AND CATALYTIC OLIGOMERIZATION FOR SUSTAINABLE JET FUEL PRODUCTION FROM ORGANIC WASTE

Giduthuri, Anthony T.

Chapter 5 presents a comparative analysis of existing and emerging catalytic technologies for converting VFA into jet fuel viz. via intermediates such as ketones, alcohols, and olefins. This chapter aims to bridge the gap between microbial fermentation derived VFA and their subsequent transformation into jet fuel precu...

waste valorization sustainable aviation fuel anaerobic fermentation catalysis
  • English
  • DOI: 10.7273/000007178
Ver ficha

Resultados provistos por OpenAIRE, la infraestructura europea de ciencia abierta. Tesis y Másters Colombia no aloja ni distribuye estos documentos: cada enlace lleva al repositorio de origen.

Cómo usar el buscador en tu investigación

1

Encuentra antecedentes

Busca por tema y filtra por tesis doctorales o de maestría para ver cómo abordaron tu problema otros investigadores, y detectar el vacío que va a justificar tu trabajo.

2

Construye tu marco teórico

Ordena por número de citas para identificar los trabajos de referencia de tu área, y quédate con los de acceso abierto para poder leerlos completos hoy mismo.

3

Cita con fuentes verificables

Cada resultado trae autoría, año, editorial y DOI: los datos que necesitas para armar la referencia en APA, y el enlace al repositorio original para verificarla.

Encontraste los antecedentes. ¿Y ahora?

Nuestro equipo de más de 1000 especialistas te acompaña a convertir esa revisión de literatura en un proyecto sólido: delimitación del tema, metodología, redacción y revisión antiplagio con informe de Turnitin.

WhatsApp