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 895 for “"cleaning"”.
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Data Cleaning Framework: An Extensible Approach to Data Cleaning
… ways of correcting anomalous records. Current cleaning techniques are very domain-specific and hard to extend, hindering their use in some areas. This work proposes an extensible framework for data cleaning, allowing users to customize the cleaning to their specific requirements. It defines …
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Cleaning model study : sugar soil removal by alkaline cleaning solutions
Thesis (M.S.)--Michigan State University. Dept. of Food Science, 1964
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Accelerating point cloud cleaning
… can be improved upon in order to accelerate the cleaning process. Firstly the speed at which the a user can navigate to an area of interest has a direct impact on task duration. Secondly, design constraints in generalised point cloud editing software result in inefficient abstraction of layers …
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Stone cleaning: a value assessment.
… to such intervention being carried out. Stone cleaning has been applied widely to many buildings over a period of more than three decades, producing a varied range of results. This project is concerned with the development of a reliable methodology which can be employed as part of a decision …
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An automated cleaning system for hospitals
… the need for solutions to aid in the task of cleaning. This automated cleaning system consisted of two robots: a core robot developed separately with navigational and task scheduling capabilities integrated. The cleaning task was carried out by making use of a commercially available Roomba …
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Compact, Self-Cleaning Wet Electrostatic Precipitators
… In this project, we developed a new kind of air-cleaning system. Our design allows air to flow freely through wide gaps between wires, resulting in almost no pressure drop. To capture particles, we use a process called corona discharge, which gives particles an electric charge and pulls them …
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EVALUATING METHODS OF CLEANING AND CLEANING VERIFCATION FOR THE REMOVAL OF ENVIRONMENTAL PATHOGENS IN FOOD PROCESSING PLANTS
… for extended periods of time despite routine cleaning and sanitation operations. Persistence may be mediated by genetic determinants (such as stress adaptations) or more simply by the presence of niches in the environment that are difficult to clean. Prolonged presence of these pathogens in …
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Gas-phase cleaning of silicon wafer surfaces
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1997.
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The cleaning of ultrafine coal using microbubbles
Mechanized mining techniques that are commonly used in the coal industry produce a large amount of fine particles. These fines are extremely difficult to recover by conventional flotation methods, mainly because of the large size of the bubbles produced relative to the size of the particles. …
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Substrate cleaning using a remote hydrogen rf-plasma
… work, low temperature remote rf-hydrogen plasma cleaning of II-VI and silicon semiconductor surfaces was investigated as a preparation for subsequent deposition in molecular beam and gas source molecular beam epitaxy environments. The plasma was characterized using mass spectrometric methods to …
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The in-woods cleaning of whole-tree-chips
This research examined Whole-Tree-Chip cleaning methods applicable to field operations in Pinus taeda L. (Loblolly pine) on the coastal plain of South Carolina. Objectives were: 1) to examine current and potential cleaning methods, and 2) develop and test two cleaning approaches suggested by past …
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Data cleaning techniques for software engineering data sets
… is not trivial, and that the investigated noise cleaning techniques are derived from traditional noise handling techniques where noise and outliers are combined. Therefore three investigations were undertaken to assess the effectiveness of the three presented noise handling techniques. Each …
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Highly Transparent, Self-cleaning, and Antireflective Nanoparticle Coatings
… of this research was to investigate the self-cleaning, antifogging, and antireflective behavior of low index of refraction silica nanoparticle films, with an ultimate goal to develop a method to deposit these films on glass substrates from aqueous solutions. </p> <p>The optical, wetting, and …
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Mechanisms of Particle Separation in Aerodynamic Air Cleaning
Systematic studies on the bunker were recommended. These studies could be conducted by comparing different physical models with the assistance of CFD simulations. In CFD simulations, user defined functions were strongly recommended for calculating the particle separation efficiency.
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Hydrodynamics of impinging liquid jets used in cleaning
… liquid jets are widely used in industrial cleaning-in-place (CIP) systems to remove residual product or soil layers from the internal surfaces of process equipment such as tanks and vessels. The optimisation of these cleaning operations is often done empirically as a large number of …
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