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 30 for “"PFR"”.
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Endogenous Gene Tagging of pfr2 and pfr5 in Trypanosoma cruzi Using CRISPR/Cas9
… cruzi </em>contains the paraflagellar rod (PFR) an extra-axonemal scaffolding. The PFR consists of a lattice of cytoskeletal filaments that lies alongside the (9 + 2) microtubular axoneme, beginning at the flagellar pocket and extending to the flagellar tip. The PFR has only been observed …
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Relationships between sprint performance, power output and fatigue
… time to peak power (TTPP), power fatigue rate (PFR), and power fatigue index (PFI) were computed using a microcomputer system. In addition, PP,AP, and PFR were adjusted for total bodyweight (PP/kg, AP/kg, PFR/kg). On a separate day each subject performed six sprints two each at 50m, 100m, and …
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Amino acid digestibility of various feedstuffs using different methods
… the precision-fed cecectomized rooster assay (PFR) and standardized ileal chick assay (SID). The PFR involves tube-feeding cecectomized adult roosters and excreta are then quantitatively collected for amino acids. For the SID, 3-week-old broiler chicks are ad libitum fed a semi-purified diet …
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Methods to ensure the adequate primary frequency response of low inertia power systems
… methods to ensure primary frequency response (PFR) adequacy and prevent frequency-related emergency actions. This dissertation describes both demand-side and generation-side methods for PFR improvement. Specifically, the commitment of autonomous interruptible load, the adjustment of governor …
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Crystal growth and nucleation kinetics of diethylenetriammonium hexachlororhodate (III) salt
… reactor (CSTR) and a t-mixer plug flow reactor (PFR), were used to determine nucleation and growth rates. The objective of the configurations was to eliminate kinetic biases that may be caused by mixing at the mesoscale. Transient saturation in the CSTR ranged up to 43, and in the PFR saturation …
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Molecular weight growth pathways in fuel-rich combustion
… the jet-stirred reactor/ plug-flow reactor (JSR/PFR), development of kinetics modeling methods, and the development of a kinetics model of soot formation. The JSR/PFR has been used extensively in the past to investigate P AH and soot formation, providing much data for concentrations of light-gas …
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A randomized comparison of individual cognitive-behavioural therapy and pelvic floor rehabilitation in the treatment of provoked vestibulodynia
… therapy (ICBT) and pelvic floor rehabilitation (PFR). Twenty women with PVD were randomly assigned to eight sessions of either ICBT or PFR. Participants were assessed at pre-treatment, post-treatment, and 6-month follow-up via gynecological examination, structured interviews and standardized …
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Spectroscopic investigation of phytochromes and NIR fluorescent variants
… states that absorb red and far-red light (Pr and Pfr). The aim of the work was the elucidation of the mechanisms of photoinduced processes in different phytochromes. In the first part of the work, plant phytochromes were investigated. As in many (cyano-)bacterial variants, the Pr and Pfr states of …
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Funktionen des Magnesiumtransporters CorA und des Eisenabhängigen Regulators Fur in der Ionenhomöostase von Helicobacter pylori
… mit der Promoterregion des Eisenspeicherproteins Pfr analysiert. Wie in dieser Arbeit gezeigt werden konnte, vermittelt Fur die transkriptionelle Regulation der Eisenspeicherung. Die Ergebnisse zeigen, dass das Fur – Protein an die Promoterregion vor dem pfr – Gen bindet und die Aktivität des …
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Advances in Baffled and Railed Tube Ram Accelerator Operation and Modeling
… called the ram accelerator plug flow reactor (PFR) model, proved to be a significant advancement in the modeling of ram accelerator operation. The ram PFR model is a quasi-1D model that resolves the entire ram flowpath. It includes a model for the effects of baffles on the ram flowfield, …
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Effect of Feed Rate and Solid Retention Time (SRT) on Effluent Quality and Sludge Characteristics in Activated Sludge Systems Using Sequencing Batch Reactors
… configurations: the Plug Flow Reactor (PFR) and the Completely Stirred Tank Reactor (CSTR). PFR systems have a high substrate loading rate, whereas CSTRs have a low substrate loading rate. Research has shown that the PFR configurations produce better sludge quality, in terms of …
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The effect of rapid dehydration on repeated bouts of short-term, high-intensity cycling exercise in college wrestlers
… time to peak power (TTPP,s), power fatigue rate (PFR,W/s), and power fatigue index (PFI,%) were recorded by an integrated microcomputer. Pretrial plasma osmolality (PO), HTC, plasma electrolytes, and caloric intake (Kcal) were also measured. The wrestlers lost 4.5±1.0% (X±SD) bodyweight from H to …
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On-farm fractionation of milk components
… cycles. A Protein Fractionation Robot (PFR) prototype based on a single-stage stirred tank and the operating parameters obtained from the laboratory trials was designed, assembled and coupled to an Automated Milking System (AMS) to process fresh, raw whole milk from individual cows …
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Ultra-fine soot investigation in flames
… a Jet-stirred Reactor/Plugflow Reactor (JSR/PFR) system with oxygen injection at the beginning of the PFR section. An initial amount of oxygen injection was found to increase soot particle size and number concentration most likely due to the increased temperature resulting from the oxygen and …
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Commitment to fathering: A structural equation model of college men's parental intentions
… and important for mothers and fathers (PMR and PFR, respectively).
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Élaboration d’un système de prévision hydrologique d’ensemble pour la gestion en temps réel des barrages sur la rivière Shipshaw
… C’est le cas pour Produits Forestiers Résolu (PFR), qui est un producteur de pâtes et de papiers, propriétaire de quatre centrales hydro-électriques sur la rivière Shipshaw (Québec, Canada). Ces centrales répondent autant que possible aux besoins énergétiques de leurs deux usines voisines (Alma …
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Food preferences and demand in the brushtail possum (Trichosurus vulpecula)
… schedule was increased every five days, termed a PFR schedule. The same food pairs were used (berries and egg, and chicken and mushrooms). The same descriptions of demand were found in Experiment 5 as in Experiment 4, with higher demand for egg and chicken compared to berries and mushroom. A …
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Dynamic simulation of brown stock washers and bleach plants
… A model consisting of a cascade of CSTR's and a PFR showed good correspondence with measurements. A linear relationship was derived to correlate delignification and brightening. Unit operation models for mixing, reactions and washing were formulated using mass balances on liquor, fibres, …
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Determining optimal load for a constant-load cycle ergometer test relative to isotonic leg strength
… time to peak power (TTPP), power fatigue rate (PFR), power fatigue index (PFI), and average power (AP). These values were collected by a microcomputer interfaced with the cycle ergometer. In general, PP decreased at a resistance greater than 9 % 1RM. The average reported PP values were 363±15, …
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Enhanced Methane Oxidation Catalysis Through Feed Modulation And Oxygen Storage
… reaction was created and modelled in a simple PFR model and a low-dimensional, dual-phase, washcoat model. Both models were fit to collected experimental data. We conclude with proposals for further research based on the results of this project.
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