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 41 for “"Heavy and light"”.
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Bound states of heavy and light quarks in the framework of quantum chromodynamics
The spectra of the D, F, B and E mesons have been calculated using the MIT bag model together with a static potential related to the Fourier transform of the "dressed" gluon propagator. The heavy quark has been assumed to coincide with the centre of the bag, while the Light antiquark was treated …
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Pulsed neutron measurements of the diffusion parameters of heavy and light water mixtures at several temperatures
… neutron diffusion parameters of O, 20, 50, 80 and 100 percent D₂O in mixtures of light and heavy water were measured by the pulsed neutron technique at room temperature (21°C), near the freezing point of the mixture in the liquid state, and at -20°C in the solid state (ice). A 250-kv pulsed …
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The measurement of neutron diffusion parameters in heavy and light water concentrations by the pulsed neutron technique
… measurements have been made at 21°C in 20, 50, and 80 percent concentrations of heavy and light water, including pure H20 and D2 0 as moderators. Pulsed neutron techniques were used with a 250-kv Cockcroft-Walton accelerator as the pulsed source. The range of bucklings used was from 0.05 cm⁻² to …
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Perceptions of nonconforming sexualities and genders on television talk shows
… perceived realism of television talk shows and GLBTQ people. This quantitative study tested seven hypotheses. Support was found for the first two hypotheses, indicating that heavy viewers of television talk shows perceived television talk shows to be more realistic or true to life than light …
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Investigation of the Substrate Recognition Characteristics and Kinetics of Mammalian Mitochondrial DNA Topoisomerase I
… found in prokaryotes, eukaryotes, viruses and organelles such as chloroplast and mitochondria. Information about these enzymes in eukaryotic systems is mostly limited to nuclear enzymes, although our laboratory has been characterizing the biochemical and biophysical properties of the …
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Experimental Evaluation of Roll Stability Control System Effectiveness for A-double Commercial Trucks
… program at the Center for Vehicle Systems and Safety (CVeSS) at Virginia Tech for evaluating the roll stability of commercial trucks with 33-ft A-double trailers are evaluated. The study includes straight-rail trailers with heavy and light loading conditions. Commercial trucks are more …
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The Extended Frame
This thesis explores the construction and architectural qualities of historic bank barns found in Chester county Pennsylvania. Analyzing the timber joints and adapting their characteristics for modern programmatic needs. It aims to extend the role of the heavy timber frame and reintroduce the …
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Excited State Chemical Dynamics: Beyond the Born-Oppenheimer Approximation
… of molecular systems in nonequilibrium, and excited electronic states using the tools of non-adiabatic molecular dynamics will be built up from the full molecular Hamiltonian and associated quantum mechanical equation of motion. This common formalism, from which all of the approximate …
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Contribuição para a análise da influência do fluxo veicular na severidade de acidentes em rodovias federais brasileiras
… long distances, the road mode is usually simpler and less time necessary to implant an infrastructure and lower costs to acquire vehicles to use their roads. There are approximately 1.7 million kilometers of roads in Brazil. According to data from the National Transportation Confederation, about …
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The evolution of the autoantibody response in Graves’ disease
… the thyrotropin receptor (TSHR). Both genetic and environmental factors contribute to pathogenesis and one such factor is the infectious agent, Yersinia enterocolitica. Two high affinity TSAbs, (KSAbl, lgG2t>/K; KSAb2, IgGaa/K), developed from an experimental murine model of GD, share common …
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Physical reasoning in complex scenes is sensitive to mass
… require precise judgments about the dynamics and physical properties - for example, mass - of multiple objects. Classic work suggests that people's intuitive models of physics in mass-sensitive situations are relatively poor and error-prone, based on highly simplified heuristics that apply …
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Effect of Alpha-Amylase Treatment and Exercise on the Calcium Handling of the Sarcoplasmic Reticulum
… with this complex may alter the calcium handling abilities of the SR. This experiment sought to determine what effect exercise and treatment with a-amylase had on the abilities of the SR to regulate intracellular calcium ([Ca2+]i). Rats were either run on a treadmill for 60 min at a speed …
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The Ontogeny of Vaccine-Induced HIV-1 Glycan-Reactive Antibodies
… surface is the target for both non-neutralizing and neutralizing antibodies (nAbs). In both infection and vaccination, the dominant neutralizing antibody responses are strain-specific, however, during chronic infection, antibodies that can potently neutralize genetically diverse HIV-1 isolates …
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Structural studies of the human polymeric immunoglobulin receptor
… cells. pIgR plays a key role in mucosal immunity and, together with bound immunoglobulins (Igs), provides a first line of specific defense against pathogens and their toxins. pIgR binds dimeric IgA (dIgA) and pentameric IgM (pIgM) produced by local plasma cells and transports these polymeric Igs …
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Development of a Versatile Antibody Cloning and Expression System
… the key tool for basic research, diagnosis and treatment of human diseases. This has required the selection of recombinant antibodies with high affinity for appropriate epitopes on the target antigen and other desirable characteristics, such as their isotype and effector functions. In …
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CP violation in flavor-tagged Bs̳ --> J/[psi][phi] decays
… the interference of decay without net mixing and decay with net mixing, that is, Bs -- J/0 and Bs -+ B, -+ J/q0. The time-dependent angular analysis is used to extract the decay widths of the heavy and light B, eigenstates and the difference between these decay widths AF, - FL - FH. …
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Vietnam veteran levels of combat : perceived and actual violence
… levels of combat experienced by Vietnam veterans and later perceptions of violence, violent attitudes, and violent participants: heavy combat Vietnam veterans; light combat Vietnam veterans; Vietnam era veterans; and non-veteran (civilian) friends of Vietnam veterans.Calvert's Brief Demographic …
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Regulation of Accessibility of the Variable Gene Segments of the Mouse Immunoglobulin Kappa Light Chain Gene Locus
Understanding the development of the expression of antibody heavy and light chain molecules is required to fully explain the adaptive immune response. This involves understanding the mechanisms underlying the selection of individual Vκ genes for V-J joining. It has been assumed that this selection …
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Development of microanalysis tools for characterization of the humoral response to infections diseases
… interactions with their cognate antigens and hence have become very important for the development of prophylactic or therapeutic agents against different disease pathogens. A key step in the development of human monoclonal antibodies as therapeutics is identification of candidate …
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Effects of Compressibility and Variable-Density on the Instability Growth within Buoyancy-Driven Shear Layers
… to examine the effects of compressibility and compositional variable density (VD) on the instability growth within buoyancy-driven shear layers (BSL), which share characteristics with the canonical Rayleigh-Taylor (RT/RTI) and Kelvin-Helmholtz (KH/KHI) instabilities. The 2D simulations are …
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