Browsing PhD Theses Collection by Title
Now showing items 891-910 of 1138
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Reducing Errors in Optical Data Transmission Using Trainable Machine Learning Methods
(2019-03-15)Reducing Bit Error Ratio (BER) and improving performance of modern coherent optical communication system is a significant issue. As the distance travelled by the information signal increases, the bit error ratio will ... -
Reducing Simulation Performance Gap from Hempcrete using Multi Objective Optimisation
(2022-04-21)The impacts of climate change in the built environment is undeniably overwhelming, which highlights the need for a sustainable reduction of carbon from buildings and the built environment. While carbon reduction from the ... -
Reflecting on a Period of Change in a Governmental Development Agency: Understanding Management as the Patterning of Interaction and Politics
(2012-09-07)Management was once described as the art of getting things done through the efforts of oneself and other people (Follett, 1941) and is functionalised through acts of planning, organising, leading and controlling tasks and ... -
Reflective Conversations with Headteachers: Exploring the Realities of Leadership in UK Secondary Schools
(2012-08-21)The aim of this practitioner research is to explore and analyse how headteachers reflect on their own professional practice to help them sustain themselves and improve secondary schools. The research has two aspects: the ... -
Reflective Practice and the Learning of Health Care Students
(2009-06-03)Reflective practice, though ill-defined, has become an accepted educational concept within many health care disciplines particularly in nursing. Subsequently it has become benchmarked within Paramedic Sciences as a ... -
Refugee Mothers' Experiences of Forced Migration and its Impact upon Family Life
(2016-05-18)In line with dominant Western discourses regarding mental health, research concerning the wellbeing of forced migrants has tended to take an individualistic, symptom-focused approach. Although not without value and utility, ... -
Registered Nurses' Perceptions of Workplace Stress in Paediatric Intensive Care Units in Saudi Arabia: a Mixed-Method Research Study
(2020-05-22)Background: Workplace stress among nurses in Intensive Care Units (ICU) has been shown to variously affect their health, the quality of nursing care, healthcare delivery and national healthcare costs (Mokhtar et al., 2016). ... -
Regulation of Induced Nitric Oxide Synthase in Vascular Smooth Muscle Cells by Glucocorticoids
(2018-01-29)The upregulation of the inducible nitric oxide synthase (iNOS) and nitric oxide (NO) production have been implicated in inflammatory pathologies. Although research has revealed that glucocorticoids (GCs) such as dexamethasone ... -
Regulation of Stem Cell Differentiation Into Cardiomyocytes by Lysophosphatidic Acid
(2017-01-25)The mechanisms that regulate the differentiation of stem cells (SCs) into cardiomyocytes are still unclear and the role of endogenous molecules on this process remains unexplored. One such molecule is the bioactive ... -
Regulation of the Inducible L-Arginine-Nitric Oxide Pathway by Oxidative Stress and Statins
(2010-03-02)Oxidative stress (OS) plays a critical role in the pathogenesis of atherosclerosis potentially through interaction with nitric oxide (NO) generated by the inducible nitric oxide synthase (iNOS) pathway. Although considerable ... -
Relating to the Other in Psychosis: an Interpretative Phenomenological Analysis
(2016-04-06)There is little doubt that social and interpersonal processes are key factors in the development and maintenance of, as well as recovery from, psychosis. Many aspects of the social world have been researched in relation ... -
Relational Self-Confidence: a Human Resources Executive Perspective on Power Group Influences and the De-centering of the Self
(2022-06-08)This thesis develops the concept of relational self-confidence. In psychological and managerial research, self-confidence, and other related concepts: self-efficacy; self-esteem; organisation-based self-esteem (Bandura, ... -
The relationship between attachment and social anxiety, focusing on self-esteem and locus of control as possible mediators
(University of Hertfordshire, 2005)Social anxiety is an excessive fear of social situations characterised by negative beliefs about one's performance in social situations and an exaggerated perception of the potential for catastrophic outcomes, e.g. ... -
The relationship between false memory and paranormal belief
(University of Hertfordshire, 2002)The thesis investigates the effects of false memory and belief in the paranormal on reports of events. The first chapter reviews the existing literature on false memory. The main theories of how false memory develops are ... -
The Relationship Between Improvisation and Cognition
(2012-08-16)“After the group had played [improvisation] game[s]…colours became brighter, people and spaces seem of a different size, focus is sharper. Our normal thinking dulls perception…” Keith Johnstone (1979, pg. 131) Improvisation ... -
Relationship Marketing and Customer Retention in Bangladesh’s Food Retailing Sector
(2018-01-31)The context of this study is Bangladesh`s food retailing sector. The main purpose of this study is to investigate the relationship between Customer Relationship Marketing (CRM) and customer retention. Since Independence ... -
Remote Visual Observation of Real Places Through Virtual Reality Headsets
(2019-07-23)Virtual Reality has always represented a fascinating yet powerful opportunity that has attracted studies and technology developments, especially since the latest release on the market of powerful high-resolution and wide ... -
Removal of heavy metals on a carbon sorbent prepared from flax shive
(University of Hertfordshire, 2000) -
A Repertory Grid Study Investigating Factors Associated With Treating People Diagnosed With Borderline Personality Disorder (BPD): the Construct of Illness and the Therapeutic Relationship
(2016-05-17)People diagnosed with Borderline Personality Disorder (BPD) have been subjected to stigma and told that their difficulties are untreatable. Although recovery is now understood to be possible for this client group, much ... -
A requirements-based software process maturity model
(University of Hertfordshire, 2003)The requirements phase of software development is an on-going problem for the software engineering community. The many disparate recommendations and best practices found in the literature make it difficult for software ...