Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 377 for “"I-p"”.
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Development of a current to pressure (I/P) converter. System analysis of a current to pressure (I/P) converter through physical modelling and experimental investigation, leading to a design for improved linearity and temperature independence.
Current-to-pressure (I/P) converters are pneumatic devices which provide precise control of pressure in various industries – for example these devices are often used in valve positioner systems (typically found in the oil and gas industry) and tensioning systems (typically used in the packaging …
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Development of a current to pressure (I/P) converter. System analysis of a current to pressure (I/P) converter through physical modelling and experimental investigation, leading to a design for improved linearity and temperature independence.
Current-to-pressure (I/P) converters are pneumatic devices which provide precise control of pressure in various industries – for example these devices are often used in valve positioner systems (typically found in the oil and gas industry) and tensioning systems (typically used in the packaging …
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Identification of new functional resistance genes against <i>P. infestans </i>in <i>Solanaceae</i> species
Pests and pathogens represent a serious and continuing threat to potato and tomato production worldwide. In this thesis, I have developed a new NB-LRRs probe library accounting for the recent improved annotations of both potato and tomato (Jupe et al., 2013 and Andolfo et al., 2014). The probe …
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A Single-photon Source Based on a Lateral n-i-p Junction Driven by a Surface Acoustic Wave
Single-photon sources are essential building blocks in quantum photonic networks, where quantum-mechanical properties of photons are utilised to achieve quantum technologies such as quantum cryptography and quantum computing. In this thesis, a single-photon source driven by a surface acoustic wave …
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BLUE-SHIFT OF EFFECTIVE BAND-GAP IN N-I-P-I DOPING SUPERLATTICES AS A FUNCTION OF OPTICAL EXCITATION INTENSITY
N-i-p-i doping superlattices are a special class of semiconductor superlattices which have been studied extensively and many devices have been realised. One of the important characteristics of the n-i-p-i doping superlattices is the tunability of their electronic structure by external excitation, …
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Spectroscopic Ellipsometry Studies of Thin Film a-Si:H Solar Cell Fabrication by Multichamber Deposition in the n-i-p Substrate Configuration
Real time spectroscopic ellipsometry (RTSE), and ex-situ mapping spectroscopic ellipsometry (SE) are powerful characterization techniques capable of performance optimization and scale-up evaluation of thin film solar cells used in various photovoltaics technologies. These non-invasive optical …
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Data Structure and Error Estimation for an Adaptive <i>p</i>-Version Finite Element Method in 2-D and 3-D Solids
Automation of finite element analysis based on a fully adaptive <i>p</i>-refinement procedure can reduce the magnitude of discretization error to the desired accuracy with minimum computational cost and computer resources. This study aims to 1) develop an efficient <i>p</i>-refinement procedure …
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Multivariable control of a flotation plant simulator
This dissertation describes the application of two multivariable frequency domain techniques in order to design controllers for a “flotation plant”. A flotation plant simulator was designed and constructed at the University of Cape Town. The design of the multivariable controllers was based on a …
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Phenotypic and Molecular Characterization of the Beetle Pathogens Paenibacillus popilliae and Paenibacillus lentimorbus
DNA similarity studies were used to determine the species of thirty-one strains of bacteria isolated from the hemolymph of infected larvae from Mexico and throughout Central and South America. Twenty-one of the strains were determined to be <I>Paenibacillus popilliae</I> and ten were found to be …
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Policy and practice regarding involvement and participation in the workplace : how effective is the European Union’s approach for the english patient?
The purpose of this thesis is to evaluate evidence about the European Union’s approach to involvement and participation (I&P) in the workplace and whether this is the most appropriate policy for the UK. The first part overviews the development of social policy involving I&P in the European Union …
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Population ecology of Pinus pungens in pine-oak forests of southwestern Virginia
I studied aspects of the population ecology of table mountain pine, <i>Pinus pungens</i>, in pine-oak forests on Brush Mountain, Montgomery County, Virginia. The objective of this study was to examine the age structure and recruitment dynamics of <i>P. pungens</i>, a fire-adapted conifer, and to …
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Seasonal movements, habitat selection, and food habits of black bears (Ursus americanus) in Shenandoah National Park, Virginia
The seasonal movements, food habits, and habitat selection of black bears (<i>Ursus americanus</i>) in Shenandoah National Park, Virginia were studied from May 1982 to April 1985. A total of 47 collared bears, including 25 adult females, 17 adult males, and 5 subadult males < 3.5 years old, was …
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The Road Taken: A Between And Within Subjects Study Of Intervention Selection Decisions By Performance Improvement Professionals
<p> <strong>Background:</strong> In performance improvement, intervention selection is a complex decision that ought to be based on the best available evidence. Despite this, there is little research into what sources of evidence are used in intervention selection and what changes in belief occur …
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Integrating Acceptance and Commitment Therapy Processes with Information-Processing Theory in Anxious Early Adolescents
The social information-processing (I-P) model states that cognition assumes several cognitive steps (encoding, interpretation, response access, and selection). It has been shown that anxious youth display deficits or distortions at various stages of the social I-P model. In response to ambiguous …
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