Universitat de Barcelona
Ara mostrant els elements 1666-1685 de 11167
[eng] Given the increasing use of the internet and the transfer of information in this era, it is crucial to focus on encryption and data security. According to the technological advances in optics and photonics and their ...
The main objective of this dissertation is to study the relationship between the mathematician Claudius Ptolemy and his social and intellectual context in the Roman Alexandria of the second century CE. Against the communis ...
La tesis aporta una nueva investigación sobre las novelas escritas específicamente para niñas y las sitúa en el discurso de la Literatura Infantil y Juvenil, y las analiza siguiendo tanto su desarrollo histórico como su ...
Aquesta tesi doctoral analitza dos aspectes fonamentals de la vida de Lluís de Requesens, d’una banda, la seva activitat com a militar al servei de Felip II i, de l’altra, la seva funció dins l’estructuració de la noblesa ...
Two main purposes divided this Thesis into two parts, taking into account that the need of understanding current climatic fluctuations is still an important request of population living in the 21st century and the enormous ...
According to climate projections for the end of the twenty-first century, regional responses to global warming include a strong and widespread drying over the northern Mediterranean, particularly intense in summer. Many ...
In order to mitigate the climate change effects, the world is undergoing an energy transition from polluting sources towards renewable energies. This transition is turning the electricity system more dependent on atmospheric ...
Changes in temperature and precipitation due to climate change are expected to increase stream water temperature and reduce their discharge. Consequently, more streams might face temporality, experiencing flow intermittency ...
[eng] INTRODUCTION: Coronavirus disease 2019 (COVID-19) became, and remains, one of the most common preventable causes of early death among solid organ transplant (SOT) patients. Exhaustive clinical and immune-biological ...
INTRODUCTION: Community-acquired bacterial meningitis is a relevant entity related to a high morbidity and mortality, despite of the adjuvant and antibiotic treatments available. Morbidity and mortality are caused by ...
Malaria is caused by protozoan parasites of the genus Plasmodium, Plasmodiidae family, transmitted to humans through the bite of infected female Anopheles.spp mosquitoes. It is one of the major global public health problems ...
La L-fucosa y la L-ramnosa son dos azúcares naturales que E.coli es capaz de utilizar como fuente de carbono y energía. La diferencia estructrural entre la ramnosa (6- deoxi - manosa) y la fucosa (6-deoxi-galactosa) está ...
El factor de la necrosis tumoral, TNF-alfa, es una citocina pleiotrópica implicada en un amplio espectro de respuestas inflamatorias y del sistema inmune. El efecto biológico del TNF-alfaestá mediado por dos ...
El trabajo realizado ha consistido en el clonaje y la secuenciación del CDNA de la forma B de la fosfoglicerato mutasa de rata (PGM) por una parte y en el estudio de la localización intracelular de las isoenzimas de la PGM ...
This thesis is about grassroots strategies of material and political extraversion. It is an ethnography of the provisioning of clothing goods in Equatorial Guinea and it bridges the everyday lives of ordinary people with ...
The soil-borne plant pathogen Ralstonia solanacearum is the causing agent of bacterial wilt, a devastating disease of wide geographical distribution and host range with enormous economic impact worldwide. To cause disease, ...
[spa] A día de hoy, el cáncer es la segunda causa de mortalidad en el ser humano y la mayoría de las muertes son producidas por la metástasis. Aunque se han postulado varias hipótesis para explicar su progresión, aún ...
Una de les grans dificultats en l'anàlisi del fenomen coalicional és la manca d'homogeneïtat en l’objecte d'estudi per part de les diferents teories sobre coalicions polítiques, a més de l’absència de consens a l'hora de ...
With the exception of the different studies performed by Márquez Cruz, and the report about local government (Magre, 2006), there is no other research, in Spain, with the level of detail of the current one, in anything ...
The main goal of this thesis is to study the physical mechanisms implicated in the self-assembly and mechanical properties of non-enveloped viral capsids using coarse-grained models. The thesis has been divided into three ...
