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 28 for “"critical condition"”.
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Impacts of vegetation-generated turbulence on sediment transport
… First, the affect of vegetation on the critical condition when sediment start to move was explored. To identify the critical condition, an imaging system was designed to track the trajectories of individual moving grain through running water. The critical flow velocity (U[subscript …
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Multiphase CFD benchmark of experimental critical heat flux data at PWR operating conditions
Critical Heat Flux (CHF) in flow boiling represents the fundamental upper limit for thermal hydraulic performance of PWR fuel. Currently, the nuclear industry relies on expensive, prototypical experiments using electrically heated, full-height rod assemblies to determine the limit of the boiling …
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Effect of Pavement Condition on Traffic Crash Frequency and Severity in Virginia
Previous studies show that pavement condition properties are significant factors to enhance road safety and riding experience, and pavements with low quality might have inadequate performance in terms of safety and riding experience. Pavement Management System (PMS) databases include pavement …
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Influence of desiccation fissuring on the stability of flood embankments
… the failure of flood embankments under overflow conditions. However, very little scientific research has been carried out into the onset of desiccation fissuring in flood embankments and the potential failure mechanisms. To overcome this shortage of information, field and laboratory studies have …
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Empirical Investigations Into The Causal Impact Of Healthcare Provider Behavior On Patient Care
… for this research because patients are often in critical condition and require medications to remain in healthy states (as measured by vital signs). Using patient vital sign data electronically archived every few minutes, merged with the electronic medical record and the medication order/delivery …
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Dynamic links between short-term deformation and long-term tectonics: a finite element study
… building. In Cascadia, I showed that the critical condition for producing permanent crustal shortening, hence mountain building, is for the plastic yield strength of the plate interface to be higher than that of the overriding plate. Strong trench coupling and a weak lithosphere explain …
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Do bacteria implicated in Ventilator-Associated Pneumonia adapt to antibiotic exposure?
… is a concern. Patients with serious respiratory conditions, such as those often encountered within critical care units like ventilator-associated pneumonia (VAP), are most under threat as a result of increasing resistance, especially due to the patients’ critical condition. Despite a better …
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ΤΜΗΜΑ ΕΠΕΙΓΟΝΤΩΝ ΚΑΙ ΑΤΥΧΗΜΑΤΩΝ. ΕΠΙΠΤΩΣΕΙΣ ΤΗΣ ΔΙΑΜΟΡΦΩΣΗΣ ΤΟΥ ΧΩΡΟΥ ΣΤΗΝ ΑΝΤΙΜΕΤΩΠΙΣΗ ΤΩΝ ΑΣΘΕΝΩΝ. ΝΟΣΗΛΕΥΤΙΚΗ ΠΡΟΣΕΓΓΙΣΗ
… HAVE ANY KIND OF PRIVACY (83,4%). PATIENTS IN CRITICAL CONDITION, VIOLENT AND DANGEROUS PATIENTS WERE FACED IN THE SAME AREAS. THE LARGE PERCENTAGE OF THE ACCOMPANYING PERSONS (99,9%) WERE WAITING IN THE CORRIDOR (39,4%) ANDTHE 60,6% WERE ACCOMPANYING THE PATIENTS IN THE EXAMINATION AREA. A …
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A structural health monitoring system for composite pressure vessels
… was capable of detecting damage long before a critical condition arose for all cases. However, further development and testing into larger cylinder designs and testing is still required to develop a final commercial product.
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Leadership Characteristics and Practices of American Association of School Administrators (AASA) Superintendents of the Year and Finalists
… leadership, and that leadership is also a critical condition for success. While the educational journey takes place in the classroom and school, the trip is planned, the fuel is acquired, and the steering is done in the superintendent's office" (p. 432). The purpose of this study was to …
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Early vascular access in the critical adult : intraosseous and intravenous approaches.
Early Vascular Access in the Critical Adult: Intraosseous and Intravenous Approaches When a patient is in a critical condition, early vascular access is necessary to commence a resuscitative attempt however a state of shock may develop due to the patient's condition, leading to peripheral venous …
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Evaluating the Mechanical Properties and Long-Term Performance of Stabilized Full-Depth Reclamation Base Materials
… compared asphalt stabilized sections. The Critical Condition Index (CCI) was similar for all treatments at the end of the evaluation period. The durability of the sections was comparable, with the cement stabilized FDR sections slightly outperforming the asphalt stabilized sections.
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Evaluating the Mechanical Properties and Long-Term Performance of Stabilized Full-Depth Reclamation Base Materials
… compared asphalt stabilized sections. The Critical Condition Index (CCI) was similar for all treatments at the end of the evaluation period. The durability of the sections was comparable, with the cement stabilized FDR sections slightly outperforming the asphalt stabilized sections.
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A testbed to assess digital instrumentation and control and cyber security of nuclear power plants
… faults and to evaluate the resiliency of safety-critical digital I&C systems destined for use in NPPs. A test bed is developed for this purpose. This test bed consists of a model of a NPP, a main control room (MCR), and associated digital I&C controllers. The digital controller has a …
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An examination of stream reaeration coefficients and hydraulic conditions in a pool-and-riffle stream
… and is partially controlled by the hydraulic conditions of the stream. These coefficients may vary for a given stream reach because of varying hydraulic characteristics brought about by streamflow changes. Hydraulic measurements and reaeration coefficient determinations were made on four …
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Human Security in a Post-conflict Livelihoods Change Context: Case of Buni Yadi Northeast Nigeria
… non-camp are mostly the extension of the camp conditions. However, while the livelihoods vulnerabilities in the camp contexts relate to legal, administrative, movement and economic restrictions, the existence of these challenges for the non-camp setting are insignificant. Instead, it is chronic …
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Efficient Optimal and Approximate Algorithms in Optimization Under Uncertainty
… can refer to ignorance regarding events or conditions that have happened or events that have yet to occur. This lack of information can relate to what decisions are available as well as the consequences of these decisions. Optimization under uncertainty has applications in a wide range of …
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Material development and characterization for high salinity water for desalination by membrane distillation at high temperature and pressure
… can be minimized by running the process at the critical condition of water, where the compressibility is almost infinite, and thus eliminating the need for a large pressure differential across the membrane. The focus of this MS research, presented in this thesis, is on the development and …
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Experimental Investigation of the Role of Turbulence Fluctuations on Incipient Motion of Sediment
… usually referred to as threshold of motion or critical condition, is even more challenging due to the highly fluctuating nature of turbulent flow. Numerous works have advocated that the peak turbulent forces, randomly occurring in time and space with magnitudes higher than the average, initiate …
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Opacity Verification and Fault Diagnosis in the Framework of Switching Output Automata
… emerge from sustained exposure to stress conditions rather than instantaneous events. Diagnosis proceeds through a four-stage construction: logical state discretization preserving fault-window boundaries, evolution automaton with faults construction tracking nominal and fault transitions, …
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