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 899 for “"refining"”.
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Refining of black copper
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Mining Engineering and Metallurgy, 1885.
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Vacuum refining of lead bullion
Includes bibliographical references.
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Refining inferred road maps using GANs
Mapping road networks is both expensive and labor-intensive. A variety of automated mapping approaches have been proposed in recent years, but these schemes often produce maps that are messy, error-prone, or visually unappealing. To fix this, we train a conditional Wasserstein GAN to refine the …
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Scaleup of electrochemical-metal-refining process
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1998.
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Petroleum refining and air quality management
… a complete set of guidelines for use in the refining industry which satisfies the current and anticipated air quality legislations and regulations in the U.S. is necessary. In the past, several documents have been prepared, but have not included a complete coverage of the air quality …
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Model study of Tuyere erosion in refining
The erosion of Tuyeres in Refining has been studied in a Physical Model to establish the dependence upon injection conditions such as gas momentum and orifice profile.The erosion phenomena in terms of Mass transfer-mechanisms has also been studied.A coefficient of Mass transfer kc< , has been …
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Model study of Tuyere erosion in refining
The erosion of Tuyeres in Refining has been studied in a Physical Model to establish the dependence upon injection conditions such as gas momentum and orifice profile.The erosion phenomena in terms of Mass transfer-mechanisms has also been studied.A coefficient of Mass transfer kc< , has been …
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Refining the sample complexity of comparative learning
The PAC (Probably Approximately Correct) framework is a well-established theoretical framework for analyzing the statistical (and sometimes computational) complexity of machine learning tasks. Comparative learning is a recently introduced variation of the PAC framework that interpolates between the …
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Refining the semantics for epistemic logic programs
The primary goal of this dissertation is to present a new semantics for the language of Epistemic Specifications that accurately defines those models of associated programs that are to be considered as world views from the standpoint of a rational agent. Epistemic Specifications is a declarative …
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Attachment Self-report Questionnaires : Refining the Method
<p>Attachment theory defines attachment as a context-specific behavioral system (Bowlby, 1969). Specifically, attachment behaviors and cognition become activated when an individual is in an environment that is anxiety provoking or stressful and they cease when that individual obtains relief from …
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Refining and Expanding the Feature Stamping Process
The accuracy of numerical models analyzing hydrologic and hydraulic processes depends largely on how well the input terrain data represents the earth's surface. Modelers obtain terrain data for a study area by performing surveys or by gathering historical survey data. If a modeler desires to create …
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Refining Particle Size Specification for Asphalt Emulsion
<p>Pavements begin to deteriorate as soon as they are constructed, and traffic is released. The rate at which a pavement deteriorates depends on the material quality, the environment, and the loads carried. To properly preserve pavements and extend their life, various pavement preservation …
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Wind shielding in refining and petrochemical facilities
… affecting the structural design of gulf coast refining and petrochemical facilities is wind. Despite this fact, little has been done to customize wind design for these unique facilities. This paper proposes a probabilistic model to predict the magnitude of shielding that is provided by the vast …
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Refining the process of achromatic holographic lithography
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1992.
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Automating modular program verification by refining specifications
Modular analyses of software systems rely on the specifications of the analyzed modules. In many analysis techniques (e.g. ESC/Java), the specifications have to be provided by users. This puts a considerable burden on users and thus limits the applicability of such techniques. To avoid this …
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Managerial cost and budget control in petroleum refining
The elemental object of business is to provide a commodity or service to tbe consumer at a profit.* Business in the United States is perpetuated through competition, and in order for any one company to succeed in the fundamental objective, it must meet such competition successfully.
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Refining Effective Instructional Strategies through Professional Learning Communities
<p>The purpose of this study is to examine the effectiveness of professional learning communities by comparing practices and strategies of content and grade level teams in middle schools. Utilizing data from student assessment, comparison of teams in this middle school was conducted to determine …
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Refining the multi-field effects of Higgs inflation
In this thesis, I investigated the extent to which the inclusion of multiple scalar fields in models of Higgs inflation produces observable departures from the single field case. I designed simulations to numerically solve the differential equations of motion in the Einstein frame governing the …
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Effects of Thermomechanical Refining on Douglas fir Wood
… cooperation, this work studies effects of refining energy (adjusted by refiner-plate gap) on fiber: size, porosity, surface area, surface and bulk chemistry, fiber crystallinity and rheology, and fiber interaction with amino resins. The intention is to reveal novel aspects of fiber quality …
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