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 1377 for “"Early stages"”.
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The early stages of leukaemia
… on the subject of leukaemia in its earlier stages, and it is becoming apparent that conditions formerly thought to be separate entities, are actually unusual manifestations of a well recognised type. Thus the classification and nomenclature tends to become simplified, and terms such as …
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Early stages in cosmic structure formation
This thesis investigates the origin and evolution of large scale structure in the universe. We approach these questions from two different angles in two related but independent projects. The outcomes of these two investigations jointly contribute to our understanding of the large scale structure of …
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Rapid prototyping in early stages of architectural design
… conclude that rapid prototyping in preliminary stages of design is most appropriate when used in what is defined as Direct CAD (Computer Aided Design) with Direct CAM (Computer Aided Manufacturing). Furthermore, it identifies Semi -Direct CAD with Direct CAM as the manipulation most commonly …
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The early stages of plastic flow in copper
Thesis (Sc. D.)--Massachusetts Institute of Technology. Dept. of Mechanical Engineering, 1967.
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The Microbiological Aspects of Early Stages of Marine Fouling
In this study, the ecology of attached marine bacterial populations on materials of economic significance was considered. Specific aspects of the microbial film examined were its composition, construction, and dynamics of bacterial attachment. Precise and practical methods for collecting data from …
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Learning to see : the early stages of perceptual organization
… based on these findings and other evidence, that early-available common fate motion cues provide a level of perceptual organization which forms the basis for the learning of subsequent cues.
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Early Stages of Massive Star Formation at High Spatial Resolution
… driving this outflow must also be in an early evolutionary stage.
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Understanding star formation at early stages in the filamentary era
This thesis presents a study of star formation at early stages in the filamentary era with a special focus on massive star and cluster formation. We first investigate the importance of filamentary structures in star formation and propose an observationally driven scenario for the evolution of …
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Investigations of the early stages of titania sol-gel processing
While hydrolysis of Ti(OEt)$\sb4$ yielded a complex mixture of polyoxoethoxide species, hydrolysis of Ti(OPr$\sp{\rm i})\sb4$ at ambient temperature yielded $\alpha$- (Ti$\sb{11}$O$\sb{13}$) (OPr$\sp{\rm i})\sb{18}$ as the sole product in solution. Reaction of Ti(OPr$\sp{\rm i})\sb4$ with one …
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Fuel consumption prediction methodology for early stages of naval ship design
… will suggest a new comprehensive approach to early-stage ship design to determine fuel consumption for the whole system. A hull must be designed to work harmoniously with an optimized propulsor and propulsion plant to ensure best performance and to comply with imposed design requirements. …
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Heat transfer and microstructure during the early stages of solidification of metals
The future of solidification processing clearly lies not only in elucidating the various aspects of the subject, but also in synthesizing them into unique qualitative and quantitative models. Ultimately, such models must predict and control the cast structure, quality and properties of the cast …
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Early Stages of the Aluminothermic Process: Insights into Separation and Mould Filling
… of rails. In this work, an investigation on the early stages of the aluminothermic process, the separation of AT reaction products and mould filling has been carried out, using both experimental and computational methods to predict the time duration of a complete separation and to obtain a better …
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Biochemical and Physiological Factors Affecting Early Stages of Fertilization in the Bovine
The purpose of this study was to evaluate a number of physiological and biochemical factors included in sperm binding to and penetration of bovine oocytes. The first part included evaluating conditions required to maximize sperm binding to and penetration in vitro; the second involved …
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Women's perceptions of successful breastfeeding during the early stages of being a mother
… of successful breastfeeding during the early stages of being a mother. The transition to motherhood marks a time of great developmental change in a woman's life. Infant feeding is an important aspect of this adaptation to the maternal role. The physiological benefits of breastfeeding for …
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A natural sketching environment : bringing the computer into early stages of mechanical design
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.
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The Use of ECG Body Surface Mapping in the Early Stages of Myocardial Infarction
… Mapping system and use it in patients in the early stages of myocardial infarction. Treatment with intracoronary streptokinase provided an opportunity to obtain a correlation between occluded artery and mapping findings, I a time frame where little information is available. The system …
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Characterizing the early stages of a novel host shift using host fitness and metabolomics
… factor determining host shift success is the early interaction between host and pathogen at the very moment of the host shift event. How does a novel host respond to a pathogen insult immediately following infection? To answer this question, the Drosophila model was used along with the highly …
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Transcriptomic studies of the early stages of potato infection by <i>Phytophthora infestans</i>
… of effector coding genes has been reported as early as 12 hours post inoculation (hpi), suggesting that infection was initiated before then. Transcriptomic studies of P. infestans have focussed mostly on leaf tissue, and there is still a lack of research on the transcriptome of P. infestans …
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