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 20 for “"Foreign objects."”.
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Foreign Objects in Local Contexts: Mortuary Objectscapes in Late Colonial Nubia (16th–11th Centuries BC)
… from various Nubian sites started to follow foreign, Egyptian standards. Colonial towns housing temples dedicated to Egyptian deities and pharaohs were founded, and large cemeteries developed in association with those places. Their material culture consisted, overall, of Egyptian-style …
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The Response of a Structural Target to an Explosive Charge Incorporating Foreign Objects: A Numerical Study
… investigation into the effect of incorporating foreign objects into explosive and its subsequent influence on the response of a target structure. The explosive, the container and the ball bearings were simplified representation of the key components of an improvised explosive device (IED). The …
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Evaluation of carbon fiber laminates via the use of pulse-echo ultrasound to quantify ply-stack orientation and manufacturing defects.
… fiber composites and the detection and sizing of foreign objects within carbon fiber laminates via the use of pulse-echo ultrasound. The first scientific contribution of this work is a method to determine the number of lamina and orientation of each lamina for plain weave carbon fiber laminates. …
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Dropped object detection in crowded scenes
… we consider the problem of detecting abandoned objects in a crowded scene. Assuming that the scene is being captured through a mid-field static camera, our approach consists of segmenting the foreground from the background and then using a change analyzer to detect any objects which meet certain …
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Novel polypyrrole derivatives to enhance conductive polymer-tissue interactions
… The body's natural immune response prevents foreign objects from easily integrating with an organism. Without an intimate link between a biomedical device and the proximate environment, reliable measurements or delivery of molecules is not possible. Many of the current materials used for …
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Cancellous bone use in the estimation of sex in a South African cadaveric and forensic sample
… used for trauma analysis and identification of foreign objects. The overall aim of the study is to assess radiographic and dry bone measurements of the proximal femur for sex estimation in a South African population. This was done by assessing radiographic and dry bone parameters (e.g., …
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Impedance effects of metallic ground plane on the CTHA antenna
… Then comes the question of how adjacent objects influence the antenna. This thesis has concentrated on the study of these effects on the impedance of the CTHA (contrawound toroidal helical antenna).;The results of this study indicate the CTHA's input impedance changes as a damped sinusoid …
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Remanufacturing of precision metal components using additive manufacturing technology
… elevated temperature and pressure, impact with foreign objects, wear, corrosion, and fatigue. Additive manufacturing has a promising application for the refurbishment of such high-costly parts by depositing materials at the damaged zone to restore the nominal geometry. However, several issues …
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Investigating pre-touch sensing to predict grip success in compliant grippers using machine learning techniques
… the ability to differentiate fruit from foreign matter (e.g. leaves) that are in the gripper opening. Time of flight sensors using nearest neighbor and support vector machines along with the set of all three sensors using support vector machines and multi-layer perceptrons showed the …
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A biohybrid bridge between brain and machine: Development and application of a neural implant using iPSC-derived neuronal membranes
… to achieve long-term stability *in vivo*. The foreign body reaction (FBR), an internal inflammatory mechanism triggered upon implantation of foreign objects, is responsible for fibrotic encapsulation of implanted neural probes, leading to a gradual decline in device functionality due to the …
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Particle Sensing in Gas Turbine Inlets Using Optical Measurements and Machine Learning
Propulsion systems are exposed to a variety of foreign objects that can significantly damage or impact their performance. These threats can range from severe dangers such as sandstorms and volcanic eruptions, which can induce engine failure in minutes, to condensation and moisture during ground …
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Street Trees as a Source of Timber in Washington, DC
… quality, accessibility, and presence of foreign objects; yet there is almost no scientific literature about these presumptions. Without this knowledge, informed decisions cannot be made about the viability of waste wood utilization. In this study, we assessed the quality and quantity of …
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Advanced automated detection of foreign object debris (FOD) in woven and uni-directional composite laminates.
… During the manufacturing process, undesirable foreign objects, including peel-ply strips, gloving material, Kapton film, etc. can be introduced into the part, resulting in localized weakness that degrades the desirable properties of the composite. Manufacturing defects can act as stress …
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A Pedagogical Guide to Extended Piano Techniques
… The following topics are also discussed: use of foreign objects inside the piano, percussive technique, vocal effects, and strategies to integrate various techniques into a unified musical context. Prepared piano techniques are excluded because they do not require the acquisition of performance …
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Ritualization - Hybridization - Fragmentation : The Mutability of Roman Vessels in Germania Magna AD 1–400
… in this context refers to the various ways these objects were interpreted, physically altered and consequently changed with regard to their function and meaning. Roman vessels in Germanic contexts are often regarded as evidence for Rome’s economic and socio-political influence on the tribes beyond …
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Non-destructive Evaluation of Food Products by Microwave and mmW Imaging
… non-ionizing microwave signals to identify foreign bodies without compromising food integrity or requiring extensive modifications to existing production lines. It offers a cost-effective and real-time inspection method, capable of operating in-line without interrupting the manufacturing …
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The Design, Development and Characterisation of a new Biosensor for In-vivo Neurochemical Monitoring of ᴅ-Serine
… a wide range of electroactive species, and where foreign objects are treated as hostile and subject to severe biological strain. Nevertheless, the rewards for developing a selective and sensitive biosensor are worth the effort. Today they are used, have been used and will increasingly be used for …
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Enhancement of Inductive Power Transfer Technology: Iron-based Nanocrystalline Ribbon Cores
… is not yet guaranteed. Third, the detection of foreign objects between the pads is a problem that has not been completely solved. Last, the power density of the pads can still be improved. Pads are generally large and heavy which hinders the adoption of this technology. This dissertation …
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Development of Urban Tree Growth Models Based on Site and Soil Characteristics
… to obtain due to obstructions by roots and other foreign objects. To address the critical need for efficient and reliable assessment of soil compaction around urban trees, an experiment was conducted to develop bulk density estimation models for four common soil texture classes using soil strength …
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A study of the transmission pathways of organisms associated with nosocomial infections at a veterinary academic hospital
… were isolated from bronchoalveolar lavage, foreign objects, bone, urine, skin, blood, ear, nasal, and oral cavity. Sixty percent (60%) of A. baumannii were multidrug-resistant (MDR) while 98% were MDR K. pneumoniae. Of the students tested (62), at least one of the ESKAPE pathogens were …