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 175 for “"Structural stability"”.
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Synthesis and structural stability of metal-organic frameworks
… and methyl groups in the frameworks, the water stability of MOFs are shown to be significantly enhanced. Several MOFs inculding Banasorb-22 (Zn4O(2-trifluoromethoxybenzene-1,4-dicarboxylate)3), Banasorb-24 (Zn4O(2, 5-dimethylbenzene-1,4-dicarboxylate)3) and Banasorb-30 …
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Soil-Conduit Interaction and Structural Stability of Mole Drains
The structural design of corrugated plastic conduits and mole drains is not adequate. Small diameter mole drains and plastic conduits buried in Lloyd clay were examined both experimentally in a laboratory soil bin and numerically by the finite element method, for various loading conditions.
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Microstructural and structural stability of rapidly solidified gold-titanium alloys.
… rapid solidification on the microstructure and structural order present in dilute Au-Ti alloys, and the subsequent evolution of these properties on post-solidification heat treatment. Alloys of compositions lwt.% Ti, 2wt.% Ti, 3wt.% Ti and 5wt.% Ti have been rapidly solidified by a technique …
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Microstructural and structural stability of rapidly solidified gold-titanium alloys
… rapid solidification on the microstructure and structural order present in dilute Au-Ti alloys, and the subsequent evolution of these properties on post-solidification heat treatment. Alloys of compositions lwt.% Ti, 2wt.% Ti, 3wt.% Ti and 5wt.% Ti have been rapidly solidified by a technique …
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Characterisation of the structural stability of transketolase under biocatalytically relevant conditions
… enzyme has optimum activity. Understanding the structural stability of transketolase under bioprocess conditions will improve our capacity to comprehend and ultimately to engineer it to make it work in a broader range of pH or temperature to potentially help in the reduction of process time and …
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Photodynamically Activated Multifunctional Chitosan Nanoparticles to Disinfect and Improve Structural Stability of Dentin
… of dentin tissue results in compromised structural integrity of root dentin leading to higher risk of fracture in root-filled teeth. The objectives of this study are twofold: 1) develop and test functionalized nanoparticles to eliminate biofilm bacteria and, 2) to stabilize and strengthen …
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Molecular dynamics simulation study of structural stability and melting of two-dimensional crystals
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1982.
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A method for the spatial functionalization of the dynamic response of a structure with structural stability considerations
… tool for rapidly acquiring spatially dense structural dynamic response information in a noncontacting manner. The research presented in this paper is part of a larger project at the Structural Imaging and Modal Analysis Laboratory in the Department of Mechanical Engineering at Virginia …
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Enhancing the printability of food inks and the structural stability of 3D-printed food through additive food manufacturing
… investigate their effect on printability and the structural properties of the 3D-printed samples. To assess the dimensional and structural properties of the printed samples, various infill densities (20 percent, 40 percent, and 60 percent) and designs (line, concentric, and grid) were employed. …
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The effect of distance between hole and hole to the structural stability of subchondral bone in the microfracture surgery
… hole and hole is will be correlated with the structural stability subchondral bone, in the microfracture surgery. In this study, we finite element analysis tool(i.e., COMSOL) is using analyzed effect on structural stability subchondral bone in microfracture procedure. To construct a more …
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The effect of radiation damage by fission fragments on the structural stability and dissolution of the UO2 fuel matrix
… effect of fission fragment damage on the structural integrity and matrix dissolution of uranium dioxide in water. Radiation damage similar to fission damage was created by irradiating bulk undoped and doped ‘SIMFUEL’ disks of UO2, undoped bulk CeO2 and thin films of UO2 and CeO2 with high …
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Crystal Growth and an Investigation of Structural Stability: Synthesis, Structure, and Physical Properties of Yb(Mn,M)xAl12-x (M = Fe, Ru; x < 2.5) and LnMnxGa3 (Ln = Ho-Tm; x < 0.15)
… types, the ThMn12 structure type, and two structural derivatives, the CaCr2Al10 structure type and the YbFe2Al10 structure type, depending on the starting amount of Mn relative to M. We outline the synthetic parameters used to obtain products in all three structure types and specifically …
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User guided reconstruction of architectural buildings
Evaluating the current structural stability of historical buildings is a challenging task. Even the stability and structure of the original architecture is often poorly understood and difficult to calculate. Using a laser point cloud scan as a template from which to base the geometric …
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Electronic structure and optical properties of layered ternary transition-metal carbides and nitrides
… and Cr2AlC, predicting relatively high intrinsic structural stability. While a local maximum or an incline was discovered for Ti3GeC2, Ti2GeC, Ti2SnC, Ti2PC, Nb2AlC, Ta2AlC, Ta4AlC3 and Ta5AlC4, indicating their lower intrinsic structural stability. Inter-band optical conductivities showed …
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Time-lapse electrical resistivity tomography applied to cave sustainability (Barbados) and groundwater exploration (Saint Lucia)
… problems. In the first problem, we monitor the structural stability of the roof of the Great Hall cavern in the Harrison's cave system, Barbados. We present an interpretation and comparison of two sets of resistivity data collected over the Great Hall: one set collected by us in 2010, the other …
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Renormalization group theory for systems far from equilibrium
… the renormalization group theory (RG) and the structural stability hypothesis are systematically applied.
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Stability Sensitivity Of Low-Rise Steel-Moment Framed Buildings To Hazard-Independent Damage
<p>Structural stability has been the subject of much research in recent years. Simply, structural stability may be vieas the ability of the structure’s response to be relatively unaffected by perturbations to its system. Stability of low-rise steel-moment framed buildings and their sensitivity to …
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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
… the effect of the transition metals on the structural stability of the layered compound upon Li de-intercalation. The electrochemical results show that the structure of LiNi2/3Sb1 /302 degrades upon cycling. XRD pattern refinement and TEM diffraction on the cycled LiNi2/3 Sb1/3O2 indicate …
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A bioinformatics framework for RNA structure mining, motif discovery and polyadenylation analysis
… identification. In this study the differences in structural stability of sequences surrounding poly(A) sites was investigated and it was found that for the genes containing single poly(A) site, the surrounding sequence is most stable as compared with the surrounding sequences for alternative …
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