African University of Science and Technology: Recent submissions
Now showing items 901-920 of 4810
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Software lock elision for x86 machine code
(University of CambridgeFaculty of Computer Science and TechnologyComputer Laboratory, 2011-07-12)More than a decade after becoming a topic of intense research there is no transactional memory hardware nor any examples of software transactional memory use outside the research community. Using software transactional ...
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Fundamental and applied aspects of contact electrification
(University of CambridgeDepartment of Chemical Engineering, 1976-02)Apparatus has been developed, which permits the measurement of electrification produced by rolling or sliding contact between a spherical specimen, and a plane dielectric sample. Measurements of the charge transferred to ...
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Deformation behaviour of bitumen and bituminous mixes
(University of Cambridge, 2005-03-15)The main goal of this dissertation is to develop simple and accurate models for the transient monotonic and cyclic deformation behaviour of bitumen and asphalt mixes. The first part of this dissertation is concerned with ...
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A unified framework for resource-bounded autonomous agents interacting with unknown environments
(University of CambridgeDepartment of Engineering, 2011-07-12)The aim of this thesis is to present a mathematical framework for conceptualizing and constructing adaptive autonomous systems under resource constraints. The first part of this thesis contains a concise presentation of ...
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Large eddy simulation of supersonic combustion with application to scramjet engines
(University of CambridgeDepartment of Engineering, 2011-07-12)This work evaluates the capabilities of the RANS and LES techniques for the simulation of high speed reacting flows. These methods are used to gain further insight into the physics encountered and regimes present in ...
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Scale-up of oscillatory flow mixing
(University of Cambridge, 2000-02-15)Oscillatory Flow Mixing is a recent development in mixing technology which has evolved over the past decade. It has a number of similarities to other mixing technologies, particularly pulsed and reciprocating plate ...
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The role of gene fusions in the evolution of metabolic pathways: the histidine biosynthesis case
(2007-08-16)Abstract Background Histidine biosynthesis is one of the best characterized anabolic pathways. There is a large body of genetic and biochemical information available, including operon structure, gene expression, and ...
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Predicted mouse peroxisome-targeted proteins and their actual subcellular locations
(2008-12-12)Abstract Background The import of most intraperoxisomal proteins is mediated by peroxisome targeting signals at their C-termini (PTS1) or N-terminal regions (PTS2). Both signals have been integrated in subcellular location ...
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Modeling HIV quasispecies evolutionary dynamics
(2007-08-16)Abstract Background During the HIV infection several quasispecies of the virus arise, which are able to use different coreceptors, in particular the CCR5 and CXCR4 coreceptors (R5 and X4 phenotypes, respectively). The ...
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Formal reasoning on qualitative models of coinfection of HIV and Tuberculosis and HAART therapy
(2010-01-18)Abstract Background Several diseases, many of which nowadays pandemic, consist of multifactorial pathologies. Paradigmatic examples come from the immune response to pathogens, in which cases the effects of different ...
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Measuring similarity between gene expression profiles: a Bayesian approach
(2009-12-03)Abstract Background Grouping genes into clusters on the basis of similarity between their expression profiles has been the main approach to predict functional modules, from which important inference or further investigation ...
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Atomic Layer Deposition of ZnO on Multi-walled Carbon Nanotubes and Its Use for Synthesis of CNT–ZnO Heterostructures
(2010-08-07)Abstract In this article, direct coating of ZnO on PECVD-grown multi-walled carbon nanotubes (MWCNTs) is achieved using atomic layer deposition (ALD). Transmission electron microscopy investigation shows that the deposited ...
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Institutional Public Private Partnerships for Core Health Services: Evidence from Italy.
(2011-04-19)Abstract Background Public-private partnerships (PPPs) are potential instruments to enable private collaboration in the health sector. Despite theoretical debate, empirical analyses have thus far tended to focus on the ...
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Building the national health information infrastructure for personal health, health care services, public health, and research
(2003-01-06)Abstract Background Improving health in our nation requires strengthening four major domains of the health care system: personal health management, health care delivery, public health, and health-related research. Many ...
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Nano-Bio-Genesis: Tracing the rise of nanotechnology and nanobiotechnology as 'big science'
(2007-07-14)Abstract Nanotechnology research has lately been of intense interest because of its perceived potential for many diverse fields of science. Nanotechnology's tools have found application in diverse fields, from biology to ...
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Homeostasis and volume regulation in the Plasmodium falciparum infected red blood cell
(University of CambridgeDepartment of Chemical Engineering and BiotechnologyDepartment of Physiology, Development and Neuroscience, 2011-06-07)The thesis reports on the application of advanced microanalytical techniques to answer a fundamental open question on the homeostasis of Plasmodium falciparum infected red blood cells, namely how infected cells retain their ...
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Design of Sandwich Structures
(University of CambridgeDepartment of Engineering, 1999-05)Failure modes for sandwich beams of GFRP laminate skins and Nomex honeycomb core are investigated. Theoretical models using honeycomb mechanics and classical beam theory are described. A failure mode map for loading under ...
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Model-based approaches to support process improvement in complex product development
(University of CambridgeDepartment of Engineering, 2007-10-23)The performance of product development processes is important to the commercial success of new products. The improvement of these processes is thus a strategic imperative for many engineering companies — the aero-engine ...
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Planning multisentential English text using communicative acts
(University of Cambridge, 1991-11-12)The goal of this research is to develop explanation presentation mechanisms for knowledge based systems which enable them to define domain terminology and concepts, narrate events, elucidate plans, processes, or propositions ...
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Numerical and experimental modelling of microwave applicators
(University of Cambridge, 1995-10-24)This thesis presents a time domain finite element method for the solution of microwave heating problems. This is the first time that this particular technique has been applied to microwave heating. It is found that the ...
