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 33 for “"CFF"”.
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Analysis of anti-cancer drug penetration through multicell layers in vitro. The development and evaluation of an in vitro model for assessing the impact of convective fluid flow on drug penetration through avascular cancer tissues.
… the normal process of convective fluid flow (CFF) from blood vessels into the interstitium. The aim of this study was to develop an in vitro model that could be used to measure CFF and to study its effects on drug delivery. The model consists of a transwell cell culture insert which supports …
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Feasibility Study of a Multi-Purpose Aircraft Concept with a Leading-Edge Cross-Flow Fan
<p>A wing-embedded Cross-Flow Fan (CFF) was first proposed as an active flow control (AFC) device nearly 40 years ago. The CFF can be employed as a propulsion device as well as a high-lift system. This thesis research focuses on investigating the use of CFF as a high-lift device for an Extremely …
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Effects of Illumination and Viewing Angle on the Modeling of Flicker Perception in CRT Displays
… to determine the critical flicker frequency (CFF). An Analysis of Variance was used to detirmine significant effects on CFF. CFF increased with increasing luminance and display size. Adequate illumination significantly increased CFF. A viewing eccentricity of 30 degrees (measured horizontally …
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Specification and verification of context conditions for programming languages
… presents a new specification formalism called CFF/AML. This formalism is · designed to be both useful for the specification of programming languages to an environment generator and also simple to use. The driving insight behind CFF/AML is that a language specifier conceives of the context …
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The Significance of "Dwelling Place" Through Representations of Memory in the Carter Family Fold
… order to understand how the Carter Family Fold (CFF) functions rhetorically as a site/sight of memory and history. Moreover, the CFF functions as a second-home or "dwelling-place" (Hyde; 2004) to those who gather each week. The CFF is a "pilgrimage destination" (Edensor: 1998) for tourists …
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Parametric Study of Aerodynamic Performance of an Airfoil with Active Circulation Control Using Leading Edge Embedded Cross-Flow Fan
<p>A concept of a cross-flow fan (CFF) embedded near the leading edge of an airfoil to actively control the boundary layer for lift and thrust enhancement has been proposed. The design places a cross-flow fan near the leading edge of an airfoil and flow is drawn in from the pressure side of the …
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Effects of illuminance, luminance, viewing angle, and screen test pattern on the perception of flicker in CRT displays
… to determine the critical flicker frequency (CFF); the threshold point at which flicker was first noticeable (or not noticeable). An Analysis of Variance and post-hoc Newman-Keuls analyses were calculated to determine the significant effects on the CFF. The CFF values were higher with the …
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Rod-cone interaction through flicker detection and the course of critical flicker frequency during dark adaptation
Critical flicker fusion (CFF) functions are reported during the course of dark adaptation under various states of cone and rod adaptation. Also, measurements were made of the stimulus intensity necessary to just perceive flicker for a wide range of frequencies. The resulting data clearly …
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Multimodal Cancelable Biometric System
… are proposed, called Cancelable Feature Fusion (CFF) and Cancelable Binary Pattern (CBP), respectively. CFF combines multiple biometric traits using random indexes so that for every fusion it generates a new fused template. Developed 2-Fold Cross-Folding (2-CF) and Generalized Cross-Folding …
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A Volume-Force Synthetic Disturbance Approach for High-Fidelity of Unsteady Fluid Structure Interactions
… of a wing with an embedded Cross-Flow Fan (CFF) in turbulent air is investigated. Comparative large-scale 2D simulations are performed for 4 cases including a baseline NACA 65(3)-221 airfoil with the Fowler flap, and the same airfoils with embedded stationary and rotating CFF, as well as, …
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Weaning age and source of energy influence beef cattle performance, carcass characteristics, and economics
… Fed Starch Diet (CFS), Creep Fed Fiber Diet (CFF), or Control (CON). Control calves were normal weaned and received no supplemental feed while they grazed with their dams. The diets fed to early-weaned and creep-fed cattle were formulated to be isonitrogenous. Early-weaned calves (133±21 days …
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Sembrando consciencia : the student/farmworker alliance and the growth of critical consciousness
… 2001 inception of the Campaign for Fair Food (CFF), an ongoing partnership between the two organizations that seeks to bring major corporations to the table to ensure better wages and basic rights while on the job, the joint network has been able to secure agreements with ten major …
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Biochemical and immunological investigations into cystic fibrosis
… specific for the cystic fibrosis factor (CFF), a substance known to be present in the serum and secreted by fibroblasts of both CF patients and heterozygotes. Three types of material were used for immunisation schedules - serum from CF homozygotes, the IgG fraction of CF serum and …
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Clinical Applications of Neuromonitoring Following Acute Brain Injury
… (CPP). V. Continuous blood flow forward (CFF) and pulsatile blood flow forward (PFF) models can approximate CaBV with derived TCD signals; CFF best models TCD pulsatility. VI. The pressure reactivity index (PRx) and the pulse amplitude index (PAx) can be estimated non-invasively using slow …
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Variations in critical flicker frequency with intersensory stimulation in two modalities
… of response to sensory stimulation in one mode, (CFF) relative to intensities of concurrent stimuli in two other modes, (weights and tones). Such heteromodal effects have been investigated under a variety of conditions. Reported results have included facilitation and inhibition of the response …
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Discovery of an extracellular stress sensory protein in Beauveria bassiana and identification of photolyase encoding phr-1 sequences in five entomopathogenic fungi
… factor (ELF) was examined in cell-free filtrate (CFF) from B. bassiana cultures. It was revealed that the tolerance of conidiospores and blastospores (BS) to ultraviolet radiation or heat could be increased by preheated CFF, respectively, but not after pretreating the CFF with trypsin. Several …
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Evaluation of the Pseudomonas mediterranea UFV potential to control bacterial diseases of tomato plants
… most favorable for obtaining cell-free filtrate (CFF) with antibacterial activity, to evaluate the in vitro inhibitory effect of Pm UFV CFF against bacterial strains virulent to tomato plants, to obtain acid precipitate and supernatant fractions (APF and ASF, respectively) with antimicrobial …
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Towards Real-World Quantum Machine Learning
… a Coherent Feed-Forward Quantum Neural Network (CFF-QNN) that preserves quantum coherence across all layers, mirrors the flexibility of classical feed-forward networks (adjustable hidden layers and nodes), and decouples qubit requirements from input feature dimension. Compared to prevailing QNN …
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Machine learning transferable physics-based force fields using graph convolutional neural networks
… cheaper functional form. Classical force field (CFF) approaches simply define the PES as a sum over independent energy contributions. Commonly included terms include bonded (pair, angle, dihedral, etc.) and non bonded (van der Waals, Coulomb, etc.) interactions, while more recent CFFs model …
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Caffeine's influence on critical flicker frequency thresholds
… were measured for Critical Flicker Frequency (CFF) thresholds at 15 levels of retinal illuminance (-1.0 to 3.0 log trolands) in each of four caffeine dosage conditions (0, 200mg, 400mg, 600mg). Variables of interest included dosage, gender, left and right eye differences, and time after …
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