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 133 for “"Markings"”.
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Markings : design through circumstances
This thesis begins as a recording of existing "markings" found on the Massachusetts Cape Cod landscape. The term markings is used throughout to mean: a natural occurrence to the landscape or in human behavior related to the landscape which records a moment in time and space. The design of a summer …
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Peripheral Transverse Pavement Markings for Speed Control
… Such countermeasures include pavement markings that give a psychological appearance of narrowing and/or increasing speed have been considered as a relatively low-cost treatment. Perceptual cues are one potential method of influencing motorists to slow down, and ultimately, to save …
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Glare Reduction by Dark Facial Markings and Bills in Birds
… few tests of this hypothesis. Dark facial markings have been shown to have an adaptive glare-reduction function in recent field studies of a few species, but this hypothesis has never been tested in a broad multispecies analysis. It is likely that feather microstructure influences feather …
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Experimental evaluation of retroreflective markings on trains and grade crossings
Every year in the United States, hundreds of accidents occur at grade crossings due to motor vehicles colliding with trains. Furthermore, a large majority of these accidents take place at night in rural areas. One proposed solution to prevent such accidents involves mounting retroreflective …
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A GIS-based traffic infrastructure management system for pavement markers and markings
… and distributed throughout the region. Pavement markings and marker materials are used to delineate travel lanes on roads and at intersections, and they are a key component of the roadway system. They play a vital role in facilitating safe traffic operations on roadways. The management of …
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Analysis of Factors Affecting Pavement Markings and Pavement Marking Retroreflectivity in Tennessee Highways
Pavement markings are lines drawn on a pavement surface to provide vital information to road users pertaining to lane restrictions and vehicle movements, which if adhered to, results in improved safety and smooth travelling to road users. Pavement markings’ visibility is quantified into a parameter …
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Forensic Investigation of Stamped Markings Using a Large-Chamber Scanning Electron Microscope and Computer Analysis for Depth Determination
<p>All firearms within the United States are required by the Gun Control Act to be physically marked with a serial number; which is at least 0.003” in depth and 1/16” in height. The purpose of a serial number is to make each firearm uniquely identifiable and traceable. Intentional removal of a …
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Assessment of the Effectiveness of Emergency Lighting, Retroreflective Markings, and Paint Color on Policing and Law Enforcement Safety
… by various configurations of police lighting and markings. Camera and radar systems were used to measure the changes in driver speed and when drivers responded to the move over law. Based on the results of the naturalistic studies, the impact of the lighting system on officer visibility was …
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Comparison of layered surface visualization through animated particles and rocking
… and sparsely covered with opaque markings. However, it becomes difficult to distinguish the shapes and differentiate between the markings when showing more than two surfaces. Further, finding optimal sizes and numbers of markings for the different layers, so as to best display the …
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Optimization of Pavement Marking Performance
<p>Pavement markings must perform on a variety of asphalt and concrete surfaces. Surface preparation can also affect a markings initial visibility and long-term performance. Therefore, there is a need for information on the performance of pavement markings under many conditions including type of …
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Perceiving Shape from Surface Contours via Artificial Neural Networks
… how to perceive shape from surface contour markings. Such markings are commonly used in clothing, data visualizations, and other man-made constructs, because humans have an apparently natural ability to interpret them. By glancing at a simple collection of curves drawn upon a 3D surface, we …
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The development of a thermoplastic road marking material standard
Public roads without road markings, especially roads carrying high traffic volumes, would lead to chaos and accidents resulting in injuries and loss of life. The road authorities need to ensure that all signage is well maintained and conforms to the Southern African Development Community Road …
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An investigation into the use of a clear coat sublayer on concrete surfaces to prevent scarring
… construction on highways and airports, temporary markings are often required to reroute traffic and maintain a level of efficiency while certain lanes and runways are out of service. While striping has become relatively straightforward and quick, its eventual removal is inherently more complex. …
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An annotated catalogue of works for piano duet a supplement to Cameron McGraw's Piano duet repertoire
… reduction of range and textural density; pedal markings and the transcription of interpretative, dynamic and articulation markings.
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Algorithms for computing liveness enforcing supervisors for discrete event-driven systems modeled by petri nets
… in which states of the system translate into the markings of the PN, and the events of the system are represented by transitions whose firing changes the marking of the PN. The existence of an LESP for an arbitrary PN structure is not decidable. For any PN structure, an LESP can be effectively …
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