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Rozprawy doktorskie na temat „End weir”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 1 sierpnia 2025

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1

Lima, Guilherme da Rocha. "Influência dos elementos de liga no encruamento proveniente do processo de aplainamento nos aços hadfield /." Bauru : [s.n.], 2011. http://hdl.handle.net/11449/96490.

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Orientador: Carlos Alberto Soufen<br>Banca: Carlos Elias da Silva Junior<br>Banca: Momotaro Imaizumi<br>Resumo: O aço austenítico manganês, contendo cerca de 1,2%C e 12%Mn, é único na medida em que combina alta tenacidade e ductilidade com alta capacidade de endurecimento em trabalho, normalmente, boa resistência ao desgate. Consequentemente, este metal apresenta uma aceitação muito útil como material de engenharia, sendo amplamente utilizado, com pequenas modificações na composição e tratamento térmico, principalmente nas áreas de terraplanagem, minas e pedreiras, bem como perfuração de petró

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2

Dabling, Mitchell R. "Nonlinear Weir Hydraulics." DigitalCommons@USU, 2014. https://digitalcommons.usu.edu/etd/2189.

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A hydraulically undersized control structure could result in water overtopping a dam or channel banks. To increase hydraulic capacity and reduce flooding risk, nonlinear spillways are frequently replacing linear weirs. This study investigates four subjects to further knowledge for two types of nonlinear weir, the piano key and labyrinth. Weir submergence is a condition when the downstream water level of a weir exceeds the weir crest elevation, and can influence the head-discharge relationship of the structure. The effects of submergence on laboratory-scale piano key weir head-discharge relatio

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3

Bao, Wei-yu. "Tool cutting force modeling and wear estimation of micro-end-milling operations." FIU Digital Commons, 1999. http://digitalcommons.fiu.edu/etd/1386.

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The applications of micro-end-milling operations have increased recently. A Micro-End-Milling Operation Guide and Research Tool (MOGART) package has been developed for the study and monitoring of micro-end-milling operations. It includes an analytical cutting force model, neural network based data mapping and forecasting processes, and genetic algorithms based optimization routines. MOGART uses neural networks to estimate tool machinability and forecast tool wear from the experimental cutting force data, and genetic algorithms with the analytical model to monitor tool wear, breakage, run-out,

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4

Anderson, Ricky M. "Piano Key Weir Head Discharge Relationships." DigitalCommons@USU, 2011. https://digitalcommons.usu.edu/etd/880.

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A piano key (PK) weir is a type of nonlinear (labyrinth-type) weir developed specifically for free-surface flow control structures with relatively small spillway footprints. Currently, no generally accepted standard PK weir design procedure is available. This is due, in part, to the large number of geometric parameters and a limited understanding of their effects on discharge efficiency (discharge efficiency is quantified by the discharge coefficient of the standard weir equation). However, Hydrocoop, a non-profit French dam spillways association, has recommended a PK weir design and a head

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5

Young, Nathan L. "Size-Scale Effects of Nonlinear Weir Hydraulics." DigitalCommons@USU, 2018. https://digitalcommons.usu.edu/etd/6926.

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Experimental physical model studies of hydraulic structures are often conducted to replicate flow behavior that may occur at the prototype scale. Geometric similitude is most often maintained between the prototype and model when studying reservoir and open channel hydraulic structures to account for the dominant gravity and inertia forces while other fluid forces (e.g., viscosity,surface tension) are assumed negligible. However, as model size and/or upstream head decreases, other fluid forces can exceed the negligible level and influence model flow behavior. This phenomenon is referred to as s

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6

Curtis, Kedric W. "Size Scale Effects on Linear Weir Hydraulics." DigitalCommons@USU, 2016. https://digitalcommons.usu.edu/etd/5046.

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Linear weirs are a common hydraulic structure that have been used for centuries with many different applications. One characteristic of weirs that is particularly useful is the head-discharge relationship where the discharge over the weir is directly related to the upstream water depth above the crest. In general, the head-discharge relationship for a weir is determined experimentally in laboratories using geometrically similar models. Due to space, time, money, and discharge capacity limitations at water laboratories, creating full scale models is not always a feasible option when determining

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7

Humphrey, Joy Marie. "Weird People." VCU Scholars Compass, 1992. http://scholarscompass.vcu.edu/etd/5075.

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8

Crookston, Brian Mark. "Labyrinth Weirs." DigitalCommons@USU, 2010. https://digitalcommons.usu.edu/etd/802.

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Labyrinth weirs are often a favorable design option to regulate upstream water elevations and increase flow capacity; nevertheless, it can be difficult to engineer an optimal design due to the complex flow characteristics and the many geometric design variables of labyrinth weirs. This study was conducted to improve labyrinth weir design and analyses techniques using physical-model-based data sets from this and previous studies and by compiling published design methodologies and labyrinth weir information. A method for the hydraulic design and analyses of labyrinth weirs is presented. Disch

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9

Wiederhold, James Edward. "Toward the standardization of use-wear studies : constructing an analogue to prehistoric hide work /." Thesis, [College Station, TX] : Texas A & M University, 2004. http://hdl.handle.net/1969/1262.

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10

Binsaeid, Sultan Hassan. "Multisensor Fusion for Intelligent Tool Condition Monitoring (TCM) in End Milling Through Pattern Classification and Multiclass Machine Learning." Scholarly Repository, 2007. http://scholarlyrepository.miami.edu/oa_dissertations/7.

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In a fully automated manufacturing environment, instant detection of condition state of the cutting tool is essential to the improvement of productivity and cost effectiveness. In this paper, a tool condition monitoring system (TCM) via machine learning (ML) and machine ensemble (ME) approach was developed to investigate the effectiveness of multisensor fusion when machining 4340 steel with multi-layer coated and multi-flute carbide end mill cutter. Feature- and decision-level information fusion models utilizing assorted combinations of sensors were studied against selected ML algorithms and t

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11

Rodrigues, Humberto Lopes. ""Relação desgaste-acabamento superficial em ferramentas de metal duro com revestimento triplo no torneamento de aços" /." Guaratinguetá : [s.n.], 2005. http://hdl.handle.net/11449/105368.

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Orientador: Sérgio João Crnkovic<br>Banca: Marcelo dos Santos Pereira<br>Banca: Marcos Valério Ribeiro<br>Banca: Olivério Moreira de Macado Silva<br>Resumo: As necessidades do mercado mundial têm motivado a pesquisa de novos materiais para a fabricação de ferramentas e, apesar da evolução no projeto e manufatura de máquinas ferramenta, da otimização constante dos processos de fabricação e da tendência de crescimento da automação industrial, estes materiais continuam como um dos fatores limitantes no processo de usinagem. A deposição de finas camadas de carbetos sobre um substrato de metal duro

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12

Tingey, Samuel Egnew. "Discharge Coefficients of Oblique Weirs." DigitalCommons@USU, 2011. https://digitalcommons.usu.edu/etd/1010.

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Oblique weirs are those weirs placed at an angle with respect to the channel centerline. They can be used in canal applications where more discharge is needed, but there is limited freeboard. The discharge coefficients were determined for 54 different weirs by measuring total head for various flows over each weir. These weirs included sharp, half round and quarter-round-crested weirs. There were 18 weirs for each crest shape with three weir heights for each angle tested. The oblique angles tested were 10°, 15°, 25°, 45°, 60°, and 90° with respect to the channel centerline, with the nominal wei

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13

Zimandy, Adam Joseph Charles. "Prevailing Torque Locking Feature Wear-out." Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/4424.

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This thesis provides much needed representative sample data for reuse life of fully seated and torqued locknuts. Most national requirements for prevailing torque locking fasteners only specify unseated reuse life. This could create a potentially dangerous situation if unseated is misinterpreted for seated. This thesis provides comparative data for seated verses unseated configuration. Six aerospace, 3 all-metal and 3 nylon insert, and one non-aerospace locknuts were tested at preloads levels of unseated, 66%, 75%, and 85% of yield of bolt. The locknuts tested are MS21043-4, NAS1291-4, NAS

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14

Christensen, Nathan A. "Flow Characteristics of Arced Labyrinth Weirs." DigitalCommons@USU, 2012. https://digitalcommons.usu.edu/etd/1367.

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The need to accommodate larger reservoir discharge events has prompted the improvement or replacement of existing spillways. One possible spillway modification is the use of an in-reservoir arced labyrinth weir in place of a linear weir. Arced labyrinth weirs can increase crest length (more cycles) and have improved hydraulic efficiency in non-channelized approach flow applications, compared to traditional labyrinth weir applications. In this study, arced labyrinth weir flow characteristics were observed for eleven different laboratory-scale model geometries at the Utah Water Research Laborato

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15

Thompson, Seth D. "Reservoir Applications of Arced Labyrinth Weirs." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7700.

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In recent years, magnitudes of flood estimates used in hydraulic design have increased for many reservoirs. Consequently, many existing spillways are now deficient as they do not meet current discharge capacity requirements. To rehabilitate existing, fixed-width spillways, labyrinth weirs are often viable solutions. For reservoir applications, arcing labyrinth weirs into the reservoir increases hydraulic efficiency. This results from better cycle orientation to the approaching flow field. This study supplements available arced labyrinth weir hydraulic data by observing flow characteristics of

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16

Cora, Omer Necati. "DEVELOPMENT OF RAPID DIE WEAR TEST METHOD FOR ASSESSMENT OF DIE LIFE AND PERFORMANCE IN STAMPING OF ADVANCED/ULTRA HIGH STRENGTH STEEL (A/UHSS) SHEET MATERIALS." VCU Scholars Compass, 2009. http://scholarscompass.vcu.edu/etd/2003.

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Automotive companies are actively pursuing to increase the use of high-strength-lightweight alloys such as aluminum, magnesium, and advanced/ultra high-strength steels (A/UHSS) in body panel and structural part applications to achieve fuel efficiency while satisfying several environmental and safety concerns. A/UHSS sheet materials with higher strength and crashworthiness capabilities, in comparison to mild steel alloys, are considered as a near-term (i.e., ~5 years) choice of material for body and structural components due to their relatively low cost when compared with other lightweight mate

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17

Danks, Daniel. "Wear and microstructure of eutectoid steels /." Full text open access at:, 1989. http://content.ohsu.edu/u?/etd,113.

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18

Wang, Xihong. "Edge wear mechanisms of weedcutting tools /." Full text open access at:, 1994. http://content.ohsu.edu/u?/etd,242.

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19

Johnson, Michael Clyde. "Discharge Coefficient Scale Effects Analysis for Weirs." DigitalCommons@USU, 1996. https://digitalcommons.usu.edu/etd/7604.

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Much work has been published regarding discharge coefficients for various weir structures. What has not been published to the same extent are the effects of model scale associated with the weirs being studied. If laboratory weirs are too small, scale effects can affect the magnitude of the discharge coefficient. These errors may be significant if the weir serves as a control structure for an emergency spillway. It is imperative that discharge be accurately predicted to enable safe design and operation. Numerical and physical means were employed to analyze the effects of scale associated with F

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20

Wei, Fei. "Weighted least-squares finite element methods for PIV data assimilation." Thesis, Montana State University, 2011. http://etd.lib.montana.edu/etd/2011/wei/WeiF0811.pdf.

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The ability to diagnose irregular flow patterns clinically in the left ventricle (LV) is currently very challenging. One potential approach for non-invasively measuring blood flow dynamics in the LV is particle image velocimetry (PIV) using microbubbles. To obtain local flow velocity vectors and velocity maps, PIV software calculates displacements of microbubbles over a given time interval, which is typically determined by the actual frame rate. In addition to the PIV, ultrasound images of the left ventricle can be used to determine the wall position as a function of time, and the inflow and o

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21

Khodier, Mohanad A. "Weir-Baffled Culvert Hydrodynamics Evaluation for Fish Passage Using Particle Image Velocimetry and Computational Fluid Dynamic Techniques." DigitalCommons@USU, 2014. https://digitalcommons.usu.edu/etd/3078.

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Due to a recent increase in environmental awareness regarding fish passage through hydraulic constructions including culverts, an evaluation for the passage of wild brown trout through a weir-baffled prototype-scale culvert was performed under a variety of culvert slopes and discharge conditions. The influence of the sample fish population and the length of the individual fish on passage rates were investigated; the data showed that the brown trout fish passage sample size evaluated in this study (25 per test) was sufficiently large to minimize sample size dependency. Fish behavior while trave

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22

Swenson, Brendon James. "Interproximal tooth wear: an in vitro pilot study." Thesis, University of Iowa, 2013. https://ir.uiowa.edu/etd/2641.

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Objective: The purpose of this study was to develop a method of accurately quantifying the wear facet, and relating the wear facet size to the forces applied by the Iowa Tooth Wear Machine. Methods: Ten un-erupted third molars were used for this study. The teeth were mounted in the Iowa Tooth Wear Machine with opposing proximal surfaces. Samples were run with a 0.250mm stroke length for 645,120 cycles under 5 pounds of weight. An optical scanner was used to digitize the initial and final interproximal wear facets. AnSur© software

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23

Smith, Nicholas Rindels. "Interproximal tooth wear: an in vivo pilot study." Thesis, University of Iowa, 2011. https://ir.uiowa.edu/etd/1084.

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The purpose of this pilot study was to develop a method to quantify the surface area of interproximal wear facets present in the human dentition. Another aim was to investigate the reliability of this method and possible correlations between the amount of interproximal tooth wear and vertical craniofacial morphology. The study was carried out on 24 adolescent individuals immediately prior to orthodontic treatment. Following interproximal contact separation of one week, interproximal impressions were taken with polyvinyl siloxane and a positive stone model was fabricated with type IV dental sto

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24

Li, Zhendan. "An Ensemble Empirical Mode Decomposition Approach to Wear Particle Detection in Lubricating Oil Subject to Particle Overlap." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20313.

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With the development of mechanical fault diagnosis technology, complex mechanical systems do not need to be shut down periodically for the maintenance. The working condition of the mechanical systems can be monitored by analyzing the wear metal particles in the systems' lubricating oil. However, the output signals of the monitoring sensor are non-stationary. In some case the particle signals are overlapped with each other. The goal of this thesis is to find a method to decompose those overlapped particle signals, and then count the particle number in the lubricating oil. At the beginning EMD

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25

Thompson, J. Kyle. "Study of powder metal press and sinter process and its tool wear." Master's thesis, Mississippi State : Mississippi State University, 2007. http://library.msstate.edu/etd/show.asp?etd=etd-07062007-113955.

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26

George, Christian Owens. "Quantification of wear in Equus teeth from Florida." [Gainesville, Fla.] : University of Florida, 2002. http://purl.fcla.edu/fcla/etd/UFE1001146.

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27

Hai, Yan. "Littlebee: User's online interactive design of baby's wear." CSUSB ScholarWorks, 2003. https://scholarworks.lib.csusb.edu/etd-project/2396.

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The purpose of this project is to develop a web-based application called Littlebee that allows customers to do online design of babies' wear. The online designing options include combining appliques with clothing styles and changing fabric colors; it utilizes images pre-stored in the database.

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28

Schroeder, Matthew O. "Biotribology : articular cartilage friction, wear, and lubrication /." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-12302008-063639/.

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Snider, James M. "Zinc pot bearing material wear and corrosion characterization." Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=3716.

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Thesis (Ph. D.)--West Virginia University, 2004.<br>Title from document title page. Document formatted into pages; contains xx, 272 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 207-208).

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30

Mukras, Saad M. "Numerical simulation of wear for bodies in oscillatory contact." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0017887.

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Wang, Xihong. "Wear behavior of PVD titanium nitride-coated tool steels /." Full text open access at:, 1989. http://content.ohsu.edu/u?/etd,237.

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32

Burris, David Lawrence. "Wear-resistance mechanisms in polytetrafluoroethylene (PTFE) based tribological nanocomposites." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0014207.

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33

Khalfallah, Hazem. "Mordell-Weil theorem and the rank of elliptical curves." CSUSB ScholarWorks, 2007. https://scholarworks.lib.csusb.edu/etd-project/3119.

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The purpose of this thesis is to give a detailed group theoretic proof of the rank formula in a more general setting. By using the proof of Mordell-Weil theorem, a formula for the rank of the elliptical curves in certain cases over algebraic number fields can be obtained and computable.

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34

Duignan, Patricia. "Dr. WHO?: The Science and Culture of Medical Wear Design." VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/3991.

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The multi-million-dollar medical uniform industry has not utilized advancements in garment and textile technology that could positively impact the protection of healthcare professionals and patients. In most cases the uniforms meet basic requirements – they clothe the professional in a recognizable way. Little innovation in design, function and performance, has been applied to these garments. This is particularly evident in the case of the stereotypical white lab coat worn by many physicians, despite evidence indicating that these lab coats may carry contamination and play a role in the spread

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35

Aftuck, Alex Edward. "The Weil Pairing on Elliptic Curves and Its Cryptographic Applications." UNF Digital Commons, 2011. https://digitalcommons.unf.edu/etd/139.

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This thesis presents the Weil pairing on elliptic curves as a tool to implement a tripartite Diffie-Helman key exchange. Elliptic curves are introduced, as well as the addition operation that creates a group structure on its points. In leading to the definition of the Weil pairing, divisors of rational functions are studied, as well as the Weierstrass }-function, which shows the complex lattice as isomorphic to elliptic curves. Several important qualities of the Weil pairing are proved, and Miller's algorithm for quick calculation is shown. Next, the bipartite Diffie-Helman key exchange is dis

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36

Johnson, Nathan Warren. "A cross-sectional in vivo pilot study on the relationship between interproximal wear and facial form." Thesis, University of Iowa, 2012. https://ir.uiowa.edu/etd/2905.

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The main goal of this pilot study was to determine if a correlation was present between interproximal wear rate and facial form and/or interproximal wear surface area and facial form. Additionally, interproximal wear was evaluated with regards to salivary pH. VPS impressions of interproximal tooth surfaces were captured in 29 adolescent volunteers after orthodontic separation and prior to band placement. A positive replica was created using a type IV die stone. The subsequent die stones were scanned, analyzed and interprox

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37

Santos, Neto Antídio de Oliveira. "Avaliação do desempenho de compósitos de PPA/Fibra de vidro para aplicação em bombas de óleo de motores de motocicletas /." Sorocaba, 2010. http://hdl.handle.net/11449/99738.

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Orientador: Sandro Donnini Mancini<br>Banca: Sandra Andrea Cruz<br>Banca: Maria Odila Hilario Cioffi<br>O programa de Pós Graduação em Ciencia e Tecnologia de Materiais PosMat tem carater institucional e integra as atividades de pesquisa em materiais de diversos campi da UNESP<br>Resumo: Termoplástico de muitas qualidades, em especial a manutenção das propriedades mecânicas sob temperaturas medianas, a poliftalamida - PPA, é uma das muitas alternativas para a substituição de materiais metálicos em aplicações que envolvam desgaste, resistência térmica, estabilidade dimensional e química, exigên

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38

Cerniway, Matthew Allen. "Elliptical Diamond Milling: Kinematics, Force and Tool Wear." NCSU, 2002. http://www.lib.ncsu.edu/theses/available/etd-20020104-082326.

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<p>Machining with diamond tools, whether turning or milling has proven itself as themanufacturing process that produces the highest quality surface finish, with the leastamount of form error in the minimum amount of time. However, due to tool wear and theamount of force generated during conventional machining, diamond tools cannot be usedon carbon containing materials such as steel and brittle materials such as silicates. In anattempt to by-pass the material limitations of diamond machining, a new machiningprocess called vibration assisted machining (VAM) has been developed. VAM involvesoscill

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39

Korla, Srikanth. "Inspection of Parts with Complex Geometry and Welds with Structural Health Monitoring Techniques." FIU Digital Commons, 2011. http://digitalcommons.fiu.edu/etd/460.

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Structural Health Monitoring (SHM) systems were developed to evaluate the integrity of a system during operation, and to quickly identify the maintenance problems. They will be used in future aerospace vehicles to improve safety, reduce cost and minimize the maintenance time of a system. Many SHM systems were already developed to evaluate the integrity of plates and used in marine structures. Their implementation in manufacturing processes is still expected. The application of SHM methods for complex geometries and welds are two important challenges in this area of research. This research work

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40

Eftekharzadeh, Shahriar. "Canal side weirs for water delivery to irrigation furrows." Thesis, The University of Arizona, 1985. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1985_139_sip1_w.pdf&type=application/pdf.

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41

Micklos, Brian. "Wear mapping and tribological investigation of liquidmetal bulk metallic glass." [Gainesville, Fla.] : University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0000953.

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42

Weimerskirch, Andre. "The Application of the Mordell-Weil Group to Cryptographic Systems." Digital WPI, 2001. https://digitalcommons.wpi.edu/etd-theses/321.

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This thesis examines the Mordell-Weil group for application in cryptography. This approach has recently been proposed by Gerhard Frey. The use of the Mordell-Weil group for discrete logarithm schemes is a variant of elliptic curve cryptosystems. We extended the original idea by Frey with the goal of a performance improvement. The arithmetic complexity using the Mordell-Weil group will be compared to ordinary elliptic curve cryptosystems. The main goals of this thesis are (1) to investigate the algorithmic complexity of Mordell-Weil cryptosystems relative to elliptic curve cryptosystems; (2) th

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43

Hernandez, Joe Luis. "Impact of corporate casual wear on productivity in the workplace." CSUSB ScholarWorks, 2001. https://scholarworks.lib.csusb.edu/etd-project/1966.

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In today's workplace there are many reasons why businesses are encouraging their workforce to dress in a more casual manner. Personnel within the workforce who dress casually report improvements ranging from morale to customer relations after the implementation of more relaxed dress codes. It will also be necessary to consider whether or not business casual dress facilitates the tearing down of social and communication barriers.

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44

Xavier, Renato Rufino. "Efeito do tratamento térmico nas propriedades mecânicas e resistência ao desgaste de um ferro fundido branco multicomponente /." Guaratinguetá : [s.n.], 2010. http://hdl.handle.net/11449/94406.

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Resumo: A exigência crescente por melhoria de qualidade, aumento de produtividade e redução de custos tem imposto contínua evolução aos processos de laminação e, consequentemente, aos processos e materiais empregados para a fabricação de cilindros. O desempenho dos cilindros é avaliado basicamente pelo tempo de permanência no laminador durante a operação, pelo consumo específico e pela qualidade superficial dos produtos laminados, todos relacionados a propriedades como resistência mecânica, tenacidade e resistência ao desgaste. Nesse trabalho foram avaliadas as propriedades mecânicas e a resis

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Bickraj, Kimberly L. "Monitoring Tool Wear and Chatter by Using an Index Based Reasoning Approach." FIU Digital Commons, 2007. http://digitalcommons.fiu.edu/etd/2431.

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This work addressed the ongoing attempt for establishing a reliable yet simple system for the detection of tool wear and chatter in vertical milling machines. For this reason, a simple closed-loop system that utilizes wireless sensors, a dynamometer replacement and an artificial intelligence system for signal processing were designed. Various signal analysis techniques were applied to real force signal information containing chatter and wear to determine if they were suitable instruments for detection of such unwanted disturbances. An Index Based Reasoner (IBR) was proposed as a solution for o

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Arunachalam, Srinath. "An online wear state monitoring methodology for off-the-shelf embedded processors." DigitalCommons@USU, 2015. https://digitalcommons.usu.edu/etd/4552.

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The continued scaling of transistors has led to an exponential increase in on-chip power density, which has resulted in increasing temperature. In turn, the increase in temperature directly leads to the increase in the rate of wear of a processor. Negative-bias temperature instability (NBTI) is one of the most dominant integrated circuit (IC) failure mechanisms [13, 5] that strongly depends on temperature. NBTI manifests in the form of increased circuit delays which can lead to timing failures and processor crashes. The ability to monitor the wear progression of a processor due to NBTI is valu

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Mukras, Saad M. "Analysis and design of planar multibody systems with revolute joint wear." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0024959.

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Bowden, MaryZoe. "Teaching as a Moral Act: Simone Weil's Liminality as an Addition to the Moral Conversation in Education." Doctoral diss., University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3592.

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We are facing a crisis in education: there is a vacuum where there once was an exhortation in terms of how teachers serve as moral models for their students. This reality becomes even more complex when the particular educator facing the dilemma has a specific religious perspective herself. The problem confronted in this philosophical study is how does today's educator, working in the public sector and having a particular religious background, best serve her students in her role as a moral agent, given an environment that is either vacuous of or even hostile toward the moral vector implicit in

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Cisneros, César Abraham Flores. "Uma contribuição à instrumentação para o monitoramento do processo de fresamento de topo." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/3/3132/tde-01122006-173300/.

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A cadeia da instrumentação para o monitoramento do desgaste da ferramenta por emissão acústica está constituída por sensores, condicionador de sinal, conversor A/D e transmissor. A seleção ou projeto de cada uma das etapas é de suma importância para manter o conteúdo do sinal de emissão acústica (neste caso a fonte de emissão acústica é a usinagem). O sinal de emissão acústica de interesse tem componentes que vão dos 100kHz a 1 MHz. Devido às características do projeto, são desenvolvidos o condicionador e o transmissor. São apresentados os projetos do pré-amplificador e filtro (que pertencem a

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Celoto, Mercia Ikarugi Bomfim. "Fisiologia e manejo de Corynespora cassiicola (Berk. & M. A. Curtis) C. T. Wei, causador da mancha alvo na cultura da acerola (Malpighia emarginata D. C.) /." Ilha Solteira : [s.n.], 2009. http://hdl.handle.net/11449/106202.

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Orientador: Marli de Fátima Stradioto Papa<br>Banca: Luiz de Souza Corrêa<br>Banca: Aparecida Conceição Boliani<br>Banca: César Júnior Bueno<br>Banca: Marise Cagnin Martins Parisi<br>Resumo: Na região de Junqueirópolis, SP, a mancha alvo (Corynespora cassiicola) é a principal doença que vem ocorrendo na cultura da acerola, causando intensa desfolha. Devido a falta de estudos sobre esse patossistema e as dificuldades para a adequação de produtos químicos para uso nesta cultura, os objetivos do presente trabalho foram: 1 - elaborar e validar uma escala diagramática para quantificação da mancha a

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