Browsing PhD Theses Collection by Title
Now showing items 281-300 of 1147
-
Dynamic Assignment Protocols for Multi-wavelength Gigabit-PONs
(2011-02-23)The research initiatives addressed in this thesis are geared towards improving the performance of passive optical networks through the development of advanced dynamic bandwidth allocation protocols. In particular, the aim ... -
Dynamic Bandwidth Allocation MAC Protocols for Gigabit-Capable Passive Optical Networks
(2008-10-20)The research initiatives addressed in this thesis are geared towards improving the performance of passive optical networks (PONs) through the development of advanced dynamic bandwidth allocation (DBA) protocols. In particular, ... -
Dynamic grid adaptation applied to large eddy simulation turbulence modelling
(University of Hertfordshire, 2001)At present a large number of fluid dynamics applications are found in aerospace, civil and automotive engineering, as well as medical related fields. In many applications the flow field is turbulent and the computational ... -
A Dynamic Radio View of the Orion Nebula Cluster: Protostellar Nonthermal Variability at Centimeter and Millimeter Wavelengths
(2023-09-05)This thesis contains a comprehensive observational study of the radio time domain of young stars in the search for high-energy (HE) processes. This requires high spatiotemporal-resolution observations and thus the use ... -
The Dynamic Relationships Between Public Spending, Economic Growth and Income Inequality in China
(2015-11-19)China’s economic development has performed spectacularly during the period of China’s economic transition as a result of radical economic reform in the all markets. The country has also gone through extensive fiscal reforms ... -
The Dynamics and Energetics of Radio-Loud Active Galaxies
(University of Hertfordshire, 2014-08-28)In this thesis, I use the new generation of radio interferometer along with X-ray observations to investigate the dynamics and energetics of radio-loud active galaxies which are key to understanding AGN feedback and the ... -
E-government and Digital Divide in Hail City: a Quantitative, Older Adults Study
(2019-04-05)The subject of information and communication technologies adoption, Internet and e-government services in particular, have been widely investigated by researchers. It is an indication of the significant roles that can be ... -
Early childhood bilingualism : a study of the development of the noun phrase in Bosnian and English in light of the 'single system' and the 'separate system' hypotheses
(University of Hertfordshire, 2003)This longitudinal study investigates the morphosyntactic development of the noun phrase in two young Bosnian/English bilingual children (both girls, aged 1.8 to 2.4). as well as their pragmatic development, in light of ... -
Eating Disorder and the Experience of Self: An Interpretative Phenomenological Analysis
(2010-05-24)Aims: Quantitative research and clinical observations have long supported a link between the eating disorders and disturbances of self / identity. However, less is known about the process of how this comes about, and little ... -
Eating Disorders from Parent to Child: Mothers' Perceptions of Transgenerational Effect
(2018-02-01)Introduction There is now a greater understanding of the significance of attachment and the importance of the mother-child dyad in relation to Eating Disorders (ED). Mothers with this illness may not be able to offer their ... -
The ecology of the water vole (Arvicola terrertris L.) in Southern England
(University of Hertfordshire, 2004)In the UK, the water vole is usually found associated with water; in rivers, canals, ditches, streams, lakes and ponds. Now listed as a UK Biodiversity Action Plan priority species for conservation it receives partial ... -
Economical desalination processes in Qatar
(University of Hertfordshire, 2002)The limited underground water resources and the dramatic increase of fresh water consumption in Qatar forced the government to seek alternative ways to compensate for the lack of fresh water resources. Unfortunately, ... -
The Educative Role of Sport for Socially Disengaged Young Black Men in London
(2015-06-29)Young Black men in urban environments are at risk of marginalisation and social alienation from mainstream society; they are statistically more likely to have been excluded from school, to be involved in crime and be living ... -
Effect of Atmospheric Ice Accretion on the Dynamic Performance of Wind Turbine Blades
(2017-04-20)Atmospheric icing presents serious challenges to the development of wind power of the wind energy industry in cold regions. The potential detrimental impact on the safe operation of wind turbines and the energy harvest ... -
The Effect of Biotic and Abiotic Factors on Degradation of Polycyclic Aromatic Hydrocarbons (PAHs) by Bacteria in the Soil
(University of Hertfordshire, 2014-03-10)Polycyclic aromatic hydrocarbons (PAHs) are a group of ubiquitous environmental contaminants with two or more aromatic rings and originating from different emission sources. They are extremely toxic, carcinogenic and ... -
The Effect of Chronic Traumatic Experience on Palestinian Children in the Gaza Strip
(2008-11-04)Abstract In this research, two studies were conducted in order to examine the psychological, social, somatic and educational effects of chronic traumatic experience on Palestinian children over the six years of the Al-Aqsa ... -
The Effect of Dance and Exercise to Music on Mood in Those with Parkinson's Disease
(2017-01-25)The aim of this thesis was to investigate the effect of dance and exercise to music on mood in those with Parkinson’s disease (PD). A series of five studies were conducted in order to explore whether there are physical ... -
The effect of exercise on PAI-1 and other markers of the insulin resistance syndrome in overweight & obese individuals : the impact of work stressors and other predictors
(University of Hertfordshire, 2002)Introduction: Obesity, and in particular central fat accumulation, is associated with a number of metabolic disturbances such as dyslipidaemia and insulin resistance. Such `clustering' of factors is known as the Insulin ... -
The Effect of Input from the Cerebellar Nuclei on Activity in Thalamocortical Networks
(2021-12-21)The cerebellum is a prominent brain structure that contains more than half of all neurons, in the brain, which are densely packed and make up 15% of the total brain mass (Andersen et al., 1992). It is well known for its ... -
The Effect of Silicon on Strawberry Plants and its Role in Reducing Infection by Podosphaera aphanis
(University of Hertfordshire, 2014-08-08)Podosphaera aphanis which causes powdery mildew of strawberry is of economic importance in strawberry production in United Kingdom as it affects yield and fruit quality. Silicon has been shown to reduce the severity of a ...