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 29 for “"turnover time"”.
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Reducing Turnover Time to Improve Efficiency in the Operating Room
… project is to improve efficiency by reducing turnover time in the operating room (OR) that can consequently enhance patients’ and physicians’ satisfaction, promote teamwork, and decrease the cost of operating room delays. The increasing trend of turnover time (TOT) requires attention for …
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Heterogeneous reservoirs in the marine carbon cycle
… once produced, organic material is oxidized over timescales which range from minutes, to millions of years. This timescale diversity is matched by an equal heterogeneity in both the local physical and chemical environment. In this thesis we explore the relationship between the distinct reservoirs …
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Heterogeneous reservoirs in the marine carbon cycle
… once produced, organic material is oxidized over timescales which range from minutes, to millions of years. This timescale diversity is matched by an equal heterogeneity in both the local physical and chemical environment. In this thesis we explore the relationship between the distinct reservoirs …
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Reducing Operating Room Turnover Times
… The purpose of this project is to decrease OR turnover time (TOT) in order to increase OR efficiency, patient and staff satisfaction, as well as be cost effective. As defined by Gottschalk et al. (2016), OR turnover time is “the duration of time from a patient exiting the OR to the time the …
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Quantifying biophysical and biogeochemical influence on northern high latitudes greenhouse gases dynamics
… (SOC). I also implemented Δ14C to estimate SOC turnover time, a critical determinant of SOC stocks, sequestration potential, and the carbon cycle feedback under changing atmospheric CO2 concentration [CO2] and climate. ISAM accounted for the vertical movement of SOC caused by cryoturbation and …
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Characterization of novel pathways in the phosphorus cycle of lakes
… to the internal supply of P, and to examine the turnover time of P bound in metazoan biomass. I clearly demonstrated a hierarchy in the contribution by different metazoan assemblages to P cycling (zooplankton > benthic macroinvertebrates > mussels > fish) and clarified the significance of …
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The nutritonal ecology of meadow voles (Microtus pennsylvanicus) under differing environmental conditions
… Meadow voles increased food intake but decreased turnover time and digestive efficiency under low ambient temperature condition, short daylength, and/or high dietary fiber. Increased energy demand had a minimal effect on the gastrointestinal tissue mass but resulted in slightly increased length of …
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Stable carbon and nitrogen isotope ratios in the shallow-water cape hake, merluccius capensis (castelnau) as indicators of trophic position and diet on the west and south coasts of South Africa
… show the longer-term diet, integrated over the turnover time of the muscle tissue and bone collagen analysed. 13C/12C is 1-2%₀ higher in the tissues of a consumer than its diet (DeNiro and Epstein 1978), the difference in 15N/14N between a consumer and its food being 3-4%₀ (DeNiro and Epstein …
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Analysis of Double Cropping to Expand Sustainable Aviation Fuel Production in the United States
… to single cropping alone, depending on the land turnover time between crops. When allocating SAF production for minimum land usage, jet demand was met mostly by ATJ feedstocks. When allocating jet demand for maximum emissions savings, SAF production was almost entirely HEFA feedstocks. Based on …
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Mechanisms and management for soil carbon sequestration
… Additionally, not all soil C is equal in its turnover time or in its ability to resist disturbance. Therefore it is crucial that we better understand how functionally different soil C pools form and persist in the soil environment. Several "climate smart" soil management practices have been …
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Chemical controls on the cycling and reactivity of marine dissolved organic matter
… parameters, to describe trends in the turnover time of classes of DOM. In this thesis, I describe two projects that examine hypotheses regarding the turnover of two classes of DOM. In the 1st project, I test the assumption made by the size–reactivity continuum hypothesis that high …
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Exploring the views of peri-operative nurses regarding efficient operating theatre room preparation in a selected private hospital
… rooms is reported in terms of theatre start time, turnover time between cases, and number of cancellations. The preparation of the operating room is an important factor that contributes to efficiency. It requires that nurses ensure equipment, supplies, and instruments are readily available. …
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The role of zooplankton - phytoplankton community interactions in the nutrient dynamics of Lake Chapala, Mexico.
… stations, representing major lake regions, five times each to provide water and organisms for 20 experimental series. Samples were returned to the laboratory for enclosure experiments incubated in a large heated outdoor tank for 3 to 5 days. Polyethylene enclosures retained and/or excluded …
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Kinetics and dynamics controlling proton-coupled electron transfer in ribonucleotide reductase
… and contributed to an expanded kinetic model for turnover. Trapped meta-stable states of the active [alpha]₂[beta]₂ complex are dictated by the translocation of a single charge and attenuate dissociation 10⁴-fold. These trapped states were leveraged to resolve the stoichiometric distribution of …
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Chemical Controls on the Cycling and Reactivity of Marine Dissolved Organic Matter
… parameters, to describe trends in the turnover time of classes of DOM. In this thesis, I describe two projects that examine hypotheses regarding the turnover of two classes of DOM. In the 1st project, I test the assumption made by the size–reactivity continuum hypothesis that high …
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Operating room utilization and turnover behavioral study
… ORs exhibit high utilization, while at the same time, maintain a low-level over-utilized OR time. At the operational level, there are many factors that could influence the OR utilization performances. The objective of this study is to develop effective approaches focusing on the most important …
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Development of techniques for quantifying pressure and saturation changes from 4D seismic data applied to a North Sea field
… qualitative interpretations at a fraction of the turnover time, with the use of quick and simple inversion solutions. Hence, I conclude that all three inversion techniques explored here have their own value and can be applied at different stages of the 4D seismic interpretation cycle, to achieve …
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Molecular and biochemical characterisation of phosphorylation-dependent NICD1 turnover: novel roles for CDK1 and CDK2
… the half-life of NICD and thus increasing its turnover time increases the period of the somitogenesis clock. However, that study did not determine the mechanism of action of the inhibitors used. NICD stability is a key requisite for its activity and to date the regulation of stability has been …
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Development of a spring-less RF MEMS switch
… the Simulink model, yielding different actuation time for the switch. This model is also employed to design the dimensions of the MEMS switch in the mechanical domain. The effect of Van der Waal force between the dielectric layer and designed armature is also discussed. An electrical model of the …
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Prokaryotic diversity and ecosystem functioning in hypersaline environment: a metagenomic study of the Cagliari salterns
… the highest degradation rate paired with a fast turnover time in winter and the opposite in summer, suggesting a different microbial community. Insights from taxonomic characterization of this pond confirmed this frame, with the Bacteria domain being the most abundant phylum in this pond, despite …
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