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.
Results
Showing 1 to 20 of 27 for “"Multiple stage"”.
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Comparison of two drugs by multiple stage sampling using Bayesian decision theory
… how to allocate the observations in each stage of a multi-stage experimental procedure between two binomial populations (e.g., the numbers of successes for two drugs) on the basis of the results of previous stages. After all of the stages of the experiment have been performed, one must …
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Processing of Behavior-Related Communications as a Function of Cognitive Elaboration: A Multiple-Stage Model
… of experiments provided support for a sequential-stage model of persuasion in which the type of cognitive processing that occurs at each stage depends on the ability to think about the information available. Both elaborative and nonelaborative processes are taken into account. Participants …
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Performance of a multiple stage hot water pretreatment on sugarcane bagasse and its economic analysis
… to wide spread commercialization. Combining multiple mild pretreatment methods might overcome the drawbacks of each one and achieve desirable product yields. However, combining pretreatment operations increases both process complexity and fixed capital investment. In this thesis, a two-stage …
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Vibration-Based Health Monitoring of Multiple-Stage Gear Train and Differential Planetary Transmission Involving Teeth Damage and Backlash Nonlinearity
… dynamic loading on teeth within a two stage crank-slider mechanism arising from backlash and geometric manufacturing errors is investigated by utilizing a non-linear multi-body dynamics software model. The multi-body model drastically reduces the computation time required by finite …
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Supply chain design : capacity, flexibility and wholesale price strategies
… as to develop process flexibility strategies for multiple-product multiple-stage supply chains. The ability of multiple-stage supply chains to fill product demands is shown to be affected by two inefficiencies, termed stage-spanning bottlenecks and floating bottlenecks, that do not affect …
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Muli-stage [i.e. Multi-stage] multi-product lotsize sequencing of operations
In this thesis, a multiple-stage - product sequence selection problem was mathematically modeled and analyzed. A fortran program that calculates the machine requirements for each machine station and each product type, and searches for the optimal product sequence combination was developed. Four …
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Dynamic modeling and global optimal operation of multizone variable air volume HVAC systems
… modeling and optimization methodology for global multiple-stage optimal operation of HVAC and building systems. Two different dynamic models of a multizone variable air volume (VAV) system have been developed using (i) bottom-up and (ii) top-down approaches. The models take account of the dynamic …
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Using age of infection models to derive an explicit expression for Ro
Using a multiple stage age of infection model, we derive an expression for the basic reproduction number, Ro. We apply this method to find Ro in analogous treatment models. We find, in the model without treatment, Ro depends only on the mean infective period, and not on the infective distribution. …
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Study of the Effect of Fracture Completion Variables on Decline Curve Parameters for Long-Term Production Forecast of Shale Liquids
Shale reservoir exploitation using multiple stage hydraulically fractured horizontal wells has proved the existence of considerable amount of oil and gas reserves throughout the world. Forecasts of future production from these reservoirs based on the fracture stimulation parameters and reservoir …
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An Evaluation and Redesign of a Thermal Compression Evaporator
… between the heating and heated media using multiple-stage evaporators. This efficiency requires increased size and bulk. A vendor claimed its thermal compression evaporator achieved high efficiency with only two stages. It did not function as claimed. This project investigated the …
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Mass spectrometric analysis of chitooligosaccharides and their interaction with proteins
… of mixtures of homologes. vMALDI LTQ multiple-stage MS is employed for quantitative sequencing of complex mixtures of heterochitooligosaccharides. Pure homologes and isomers are applied to biological assays. Chitooligosaccahrides form high-affinity non-covalent complexes with HC gp-39 …
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A duty to participate : a dramaturg's approach to Twelve Angry Jurors.
… the responsibilities we have to each other. Multiple stage versions were developed to bring the story to live audiences in the decades since. This thesis examines the production process surrounding the October 2022 Baylor Theatre production of Twelve Angry Jurors. It explores the playwright's …
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Electrospray ionization mass spectrometry for the analysis of proteins and small molecules
… that are absent in myoglobin.;Chapter 6 details multiple-stage mass analysis (MSn) to determine the fragmentation pathways followed by the heme groups liberated by CID from myoglobin and cytochrome c. A mass difference of 1 AMU is observed for the heme groups from the two proteins, though the …
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Numerical Analysis of the Viscous Flow in a Supersonic Diffuser
… by a limit line that forms at the throat. Multiple stage diffusers may be used to reduce the Mach number and minimize the shock losses. The results indicate the existence of oblique shock waves and flow separation. Nevertheless, the diffuser efficiency is very high when compared to existing …
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Investigation of Flash Flotation Technology Utilizing Centrifugal Forces and Novel Sparging Methods
… an external Cavitation Tube yielded a single-stage product with an ash content of 4.41% and a 45% recovery rate in a retention time of 0.66 seconds. However, the system required 16 minutes to meet comparable flotation yields and recoveries. The third design achieved a multiple-stage product of …
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An investigation into how Chinese college students make sense of films and TV series from an intercultural perspective: Implications for English language teaching
… The study employed a questionnaire survey and multiple-stage semi-structured interviews. Research subjects were second-year or above CCSs with students from 15 Beijing universities participating. The empirical findings suggest that: • In the Chinese context, foreign films and TV series are the …
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Structural Analysis of Carbohydrates by Mass Spectrometry
… its high sensitivity and selectivity. MS2 (two-stage tandem mass spectrometry) is most often adopted due to the wide availability of commercial instruments; however, glycan structural determination typically stops at the level of topology (relative location of sugar unites). The goal of this …
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The Effects of Polysomal mRNA Association and Cap Methylation on Gene Expression in <i>Trypanosoma brucei</i>
… is a tightly controlled cellular process. While multiple stage-specific transcripts have been identified, previous studies using RNA-seq found that the changes in overall transcript level do not necessarily reflect the abundance of the corresponding proteins. We hypothesized that in addition to …
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Directional impedance of geared transmissions
… on specific gear selection and the number of stages. This error can cause issues especially in dynamic legged robots and haptic devices when accurate force control is desired. In this paper we present directional impedance, a characteristic of geared transmissions in which the amount of power …
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Screening of Polymeric Membranes and Optimization of Operating Conditions for the Treatment of Produced Water
… of membrane category based on pore size. A four-stage polymeric membrane filtration process was studied for the treatment of produced water since multiple-stage membrane filtration has rarely been analyzed in the literature. Produced water was synthesized based on water quality parameters of …
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