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 57 for “"Dumbbell"”.
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DESIGN AND INVESTIGATION OF DUMBBELL-SHAPED DNA MINIMAL VECTORS FOR CRISPR/CAS9 EDITING
We explored the use of minimalistic dumbbell-shaped DNA vectors for the delivery of the CRISPR/Cas9 system. Using three targets, i.e. glucose-6-phosphate dehydrogenase (G6PD) Mahidol, G6PD Mediterranean and Southeast Asian Ovalocytosis, and a dual reporter assay, we demonstrated that dumbbell …
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Tunneling and migration of the dumbbell defect in electron irradiated aluminum-zinc alloys
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-08T17:22:26Z No. of bitstreams: 1 1983_wallace.pdf: 3573416 bytes, checksum: aa73c7ecf0f539684728b0c5538dfe84 (MD5)
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Dynamics of bouncing rigid bodies and billiards in the spaces of constant curvature
… body using billiard dynamics. We first define a dumbbell system, which consists of two point masses connected by a weightless rod. We assume the dumbbell moves freely in the air and makes elastic collisions at a flat boundary. For arbitrary mass choices, we use billiard techniques to find the …
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Exponential Stability for a Diffusion Equation in Polymer Kinetic Theory
… result for a diffusion equation arising from dumbbell models for polymer flow. Using the methods of semigroup theory, we show that the semigroup U(t) associated with the diffusion equation is well defined and that all solutions converge exponentially to an equilibrium solution. Both finitely …
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Brownian dynamics simulations of fine-scale molecular models
… model, such as the Hookean or the FENE dumbbell models, which can be used in complex flow analysis, but have too few degrees of freedom to adequately describe the rheology. The Adaptive Length Scale (ALS) model proposed by Ghosh et al. is only marginally more complicated than the FENE …
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Dynamics and statistics of hydrodynamically interacting particles in laminar flows
… basic model we explore the possibility to sort dumbbells with respect to their size using a two dimensional periodic potential. It turns out that the purely diffusive behavior of a dumbbell in this structured landscape is dominated by the ratio of two characteristic length scales, namely the …
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Synthesis and characterization of metallic nanoparticles with photoactivated surface chemistries
… applications. In this research we formed a dumbbell shape assembly of nanoparticles in suspension. A probable application for these assemblies can be in vivo imaging. Initially, we reproduced gold nanorods using existing techniques in prior papers and optimized them according to our research …
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Rheological characterization of polymers via dissipative particle dynamics
… with DPD. The rheology of a solution of DPD dumbbells using a FENE spring force law is studied in the first part of this thesis via simulation of steady shear flow and steady planar elongational flow. The rheological results are compared to dilute Brownian dynamics simulations of the same …
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Pins in a Composite : Their Effects on the Strength of the Material
… stainless steel pins.</p> <p>The conventional dumbbell tensile strength was measured by pulling the mounted specimens in the direction of their long axis, using non-threaded pins.</p> <p>These tests demonstrated that the compressive strength of the composite was increased 10 percent when the …
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Bilateral deficit: A comparison between upper-body and lower-body maximal strength
… strength for the leg press and vertical dumbbell press exercises. The secondary purpose was to determine if blood glucose levels differ between the unilateral and bilateral conditions for the leg press exercise. Methods: Thirty college-aged volunteers reported on two separate occasions, …
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Homological invariants of some special varieties
… we compute the regularity of the edge ideal of a dumbbell graph, and then we give a combinatorial characterization of the regularity of the edge ideal of an arbitrary bicyclic graph in terms of its induced matching number. Finally we study the regularity of powers of edge ideals of some specific …
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Interstitial-impurity trapping in Al-Fe and Al-Zn
… strong evidence that below 130K, the <100>-mixed dumbbell is the predominant interstitial trapping configuration. The temperature dependence of the relaxation peak near 4.9K is not that expected for a thermally activated process, but provides instead evidence for defect tunneling. A second …
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Miniaturization of Electrical Ultrafine Particle Sizers
… aerosol classifier (EAC) prototype, named the Dumbbell EAC, was designed as an improved replacement of the mini–disk precipitator for the next generation EUPS. It had a novel axial–symmetric dumbbell–shaped curved classification channel design, to achieve an extended classification length …
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An Ultrasonic Study of Impurity-Interstitial Complexes in Electron Irradiated Aluminum-Silicon and Aluminum-Silver
… to that attributed to -self interstitial dumbbells in pure aluminum. A -monoclinic mixed dumbbell model is examined as a possible explanation for these results.
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Ultrasonic studies of radiation damage in an aluminum-manganese alloy
… trapping configuration was the <100> mixed dumbbell. Neither of the two existing models used in the interpretation of other experiments was capable of explaining the data. However, a third model incorporating the features of both is capable of accounting for the observed behavior.
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An ultrasonic study of impurity-interstitial complexes in electron irradiated Al-Si and Al-Ag
… to that attributed to <100>-self interstitial dumbbells in pure aluminum. A <110>-monoclinic mixed dumbbell model is examined as a possible explanation for these results.
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Understanding and designing high power and high energy density cathode materials for lithium ion batteries by experiments and first principles computations
… upon delithation due to the formation of a Li/Mn dumbbell configuration. However, such kind of dumbbell does not form in NaxMnO2, indicating its better structural stability upon deintercalation. The electrochemical results of NaMnO 2 show a much better capacity retention than that of LiMnO2, …
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Auto-Ignition of Liquid n-Paraffin Fuels Mixtures as Single Droplets Using Continuous Thermodynamics
… of the first two mixtures to produce a “dumbbell” mixture. Discrete and continuous mixture models of the ASTM standard distillation test were compared to design the experimental mixtures and provide the distribution parameters of the continuous mixtures intended to simulate them. The …
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Measuring The Effect Of Weighted Devices On Exercise Enjoyment
… using regular conventional exercise equipment (dumbbells). Participants completed the Physical Activity Enjoyment Scale (PACES) after each condition. Three, paired-sampled t-tests with the Bonferroni Correction (.05 / 3 = .017) to help counteract the issues of having multiple comparisons were …
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Small-scale structures in planetary nebulae
… of the molecule. Our first PN studied, the Dumbbell nebula (NGC 6853), revealed not only H[subscript 2] bearing knots (similar to the Helix and Ring nebulae), but also regions of H[subscript 2] emission which were poorly sculpted or unstructured diffuse regions, unlike previously studied …
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