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 88 for “"Plaster"”.
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Plaster, as a vital material: The agency of plaster in the curation of the Çatalhöyük skull
The discovery of Neolithic plastered skulls has attracted widespread interest but there has been a disproportionate focus on the construction and meaning of the skulls, with little regard paid to the material, plaster, itself. In 2004, in Çatalhöyük, a plastered skull was excavated, which had been …
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Lowland Maya lime plaster technology: a diachronic approach
Lime plasters are mixtures of burnt lime, aggregates and other materials that are employed in masonry architecture. Lime plasters were widely used by the ancient Maya in public monumental buildings and constitute important elements of ancient Maya material culture. This research analyses …
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Allowable beam deflections as limited by plaster strain
Thesis (M.S.)--Michigan State College of Agriculture and Applied Science. Dept. of Civil Engineering, 1950
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An investigation into the survival of medieval plaster in Dorset churches
… that most internal church decoration, including plaster, was removed as part of the unprecedented campaign of restoration undertaken by the Church of England during the second half of the nineteenth century. This thesis seeks to test this view by quantifying the extent of medieval plaster …
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A study of Neolithic plaster materials from the Near and Middle East.
Massachusetts Institute of Technology. Dept. of Metallurgy and Materials Science. Thesis. 1974. M.S.
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Effect of waste plaster of Paris on physical and mechanical properties of ceramic pottery body
Over the years, millions tonnes of waste plaster of Paris (POP) were generated and disposed in landfills or most of the time was dumped directly into the environment without any treatments, makes it as one of the environmental issues. Therefore, a new alternative is required to convert the wastes …
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The evaluation of the reproducibility of mock surgery using plaster model and lateral cephalometric radiograph in sagittal split ramus osteotomy
… cephalometric radiograph and mock surgery using plaster model, surgical plan is established. After the surgery, the outcome of surgery is determined by analyzing the lateral cephalometric radiograph. In this study, by conducting the anterior-posterior comparison and analysis between preoperative …
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Hybrid optimisation electromagnetic interference shielding effectiveness:mechanical and physical performance of plaster mortar containing palm oil fuel ash using taguchi grey and taguchi-flower pollination algorithm methods
… use palm oil fuel ash (POFA) as cement filler in plastering mortar to overcome the EMI issue. This research adopted Taguchi method with mix level design (L16 (44 22)) to examined the EMI shielding effectiveness (SE), mechanical properties and physical properties of the mortar. Six factors namely …
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CLEANING METHODS FOR THE REMOVAL OF LIMEWASH FROM PAINTED PLASTER SURFACES: UTILIZING ION EXCHANGE RESINS ON THE INTERIOR ARCHITECTURAL FINISHES OF THE CAPILLA DE NUESTRA SEÑORA DEL ROSARIO IN IGLESIA SAN JOSÉ, IN SAN JUAN, PUERTO RICO
… for the removal of limewash from overpainted plaster surfaces, testing whether ion exchange resins can be used to safely clean these historic materials. The study utilizes the interior architectural finishes of the Capilla de Nuestra Señora del Rosario in Iglesia San José in San Juan, Puerto …
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Revisiting a Past Treatment of the Painted Interior of San José de Tumacácori
… analyzes the 1949 treatment of the painted plaster using polyvinyl acetate (PVAC), in the interior at the Mission Church of San José de Tumacácori. The treatment was proposed by Rutherford Gettens of the Fogg Museum and executed by Charlie Steen of the National Park Service. The PVAC was …
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The torsional analysis of beams of arbitrary cross-section with non-linear stress-strain properties
… from pure torsion tests on five unreinforced plaster model beams: three circular, one rectangular, and one T-shaped in cross-section. Results are also presented on a second series of twenty-nine qualitative tests made on plaster model T-beams reinforced with small gage wire to determine the …
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Intra-Oral Three Dimensional Scanning for Assessment of Surgical Outcome in Patients with Unilateral Cleft Lip and Palate
… in a failure to comply (Clark et al., 2007).Plaster study models can be scanned to create indirect three dimensional (3D) digital models and dental arches can be scanned directly using an intra-oral 3D scanner. The latter technique eliminates the need for impression taking but has not …
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In-vitro Study Investigating the Validity and Reliability of a New Software for Digital Scoring of the American Board of Orthodontics Objective Grading System
… the conventional method (gold standard) of using plaster models and a hand ABO gauge. The secondary aims of the study are to assess the level of agreement between orthodontists and non-orthodontists’ ABO OGS scores using the conventional method on plaster models and the new software on digital …
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Preliminary Assessment: Identification of Chinese Drywall and Exposure to Particulate Matter and Metals during Cutting and Installation of Drywall
… a popular building material made of gypsum based plaster sandwiched between two thick sheets of paper is used for building interior walls, is speedier alternative to traditional plaster, decreasing time and labor for construction. Importance of drywall increased with the demand for drywall after …
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An investigation of selected effects of environment on the dry rot fungus <i>Serpula Lacrimans </i>
… the introduction of stone, brick and plaster into these models encouraged the capacities of timber decay and mycelial growth. The use of a larger and more representative model incorporating simulated flooring and plaster walling within glass tanks revealed differences in the …
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“A sticking plaster over a burst artery” An explanatory theory of moral distress: Frontline workers experience of supporting rough sleepers with a mental illness through austerity, welfare reform and the COVID-19 pandemic.
For a decade, prior to the COVID-19 pandemic, frontline homelessness workers in England have worked within national and local policies of welfare reform and austerity, within which there was a major cut to public spending. After the COVID-19 outbreak frontline workers began working within policies …
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Software development for the automatic calculation of dental arch relationships on digital models in cleft lip and palate
… bold;">Design: </b>Retrospective cohort of plaster and digital models from patients with unilateral cleft lip and palate. <br/><b style="font-weight: bold;">Method: </b>Design and development of an automated software tool took place prior to calibration of three examiners. Fifty-three …
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An industrial survey of Pittsylvania County, Virginia
… These industries are: 1. Concrete and plaster products 2. Fabricated metal products 3. Fabricated structural metal products 4. Machinery (except electrical) 5. Electrical machinery, equipment and supplies 6. Transportation equipment 7. Bakery products 8. Cigarettes 9. Paperboard and …
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