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 103 for “"Charge Distribution"”.
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Nuclear charge distribution of ¹⁸¹Ta
… them. When a form is chosen for the nuclear charge distribution, a theoretical spectrum can be calculated…The parameters ��, c, and t can then be chosen to make the calculated spectrum coincide for the 3D-2P, and 2P-1S transitions with the observed spectrum.</p> <p>The first part of the …
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Nuclear charge distribution of Tm¹⁶⁹
<p>The distribution of electrical charge in the nucleus of Tm<sup>169</sup> was determined by measurement of the energies of the X rays of muonic atoms of Tm<sup>169</sup>.</p><p>The values of the energies of the K X rays and the L X rays were calculated from a model assuming an anisotropic Fermi …
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Effects of Charge Distribution on Protein Solution Properties
… conditions of interest are required. The net charge on lysozyme and a closely related series of BPTI mutants is related to the electrophoretic mobility and conductivity increment measurements. Charge determined from electrophoresis agreed well with theoretical predictions in some cases and …
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The Effect of Stability and Surface Charge Distribution on Secretion of Bovine Pancreatic Trypsin Inhibitor From Yeast
… of the BPTI mutants shows that removal of charges results in a drop in the effective number of ionic binding sites, as analyzed by binding of the molecule to a cation exchange column. Removal of the charge on the uncharged face of the molecule results in a dramatic increase in the relative …
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Refrigerant charge reduction in small commercial refrigeration systems
… refrigerant inventory and numerical results of charge reduction in a typical bottle cooler. The original unit was first characterized by determining its capacity, the coefficient of performance (COP), pull-down characteristics, and total charge using non-intrusive instrumentation. Then the unit …
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Applications of Nuclear Quadrupole Double Resonance Spectroscopy
… provides information on the ground state charge distribution in the vicinity of the quadrupolar nucleus.
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Detecting DNA Using Silicon Nanopores and 20--40 Nm Gate-Length RFNMOSFET
… in a MOS-capacitor membrane to sense the charge in DNA. As DNA translocates the nanopore, the electrostatic charge distribution should polarize the capacitor and induce a voltage on the electrodes, which will be measured by our nanotransistors implemented right next to them. Silicon …
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Various topics in the theory of superconductivity
… mass of vortex lines in both neutral and charged superconductors at T = 0. For the charged case, in contrast to previous works where perfect screening was assumed, we take proper account of electromagnetic screening and solve exactly the bulk charge distribution caused by a moving vortex …
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The application of ion mobility mass spectrometry to molecules of pharmaceutical significance
… facilitate rapid and definitive assignment of charge location sites and chemical structure. Molecular modelling was conducted to determine the energy minimised/geometry optimised structures and charge distribution of the protonated molecules studied. The geometry and charge distribution data …
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Molecular Simulation Of Nanoscale Transport Phenomena
… of this dissertation is to characterize electric charge, mass and thermal transport at the nanoscale using a fundamental molecular simulation method, namely molecular dynamics. This dissertation reports simulations of (1) ion intake by carbon nanotubes, (2) hydrogen storage in carbon nanotubes, …
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INELASTIC ELECTRON SCATTERING FROM MOLYBDENUM-92
… an improved description of the groundstate charge distribution. The inelastic scattering data for 23 excited states have been further analyzed to extract electromagnetic transition densities. These densities are discussed and when possible related to the underlying nuclear structure.</p>
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Understanding cation catalytic effects in electron transfer reactions at molecular scale
… specific effects, and found that more highly charged anions tend to pair more strongly with cations and this ion pairing significantly affects the local electrostatics fluctuations around the anionic redox centers, likely causing the observed changes in experimental rates. In Ch. 3, we applied …
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The electrochemical behavior and electronic structure of non- transition metal chelate radical anions
… to the pseudometal ion. The spin densities and charge distribution in the boron chelate radicals and the neutral parent have been calculated by Pariser-Parr-Pople SCF techniques, extended Hückel molecular orbital calculations, and CNDO and INDO methods. The ligand dianion radicals have also …
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Characterization and modeling of silicon and silicon carbide power devices
… device. The model is derived using the actual charge distribution within the device rather than assuming a lumped charge or one-dimensional charge distribution. The comparison between the simulated data with the measured results validates the accuracy of the new physical model.
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Astroparticle physics with nuclear track detectors
… on board of a stratospherical balloon; the charge distribution obtained spans in the range 5≤Z≤31. Both experiments were based on the use of plastic Nuclear Track Detectors, which records the passage of ionizing particles; by using some chemical reagents such passage can be make visible at …
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An electrical network model for computing current distribution in a spirally wound lithium ion cell
… supplementing the existing electrochemical heat distribution model of a spirally wound lithium ion battery with an electrical network that can model the heat losses due to electric resistances of the current collectors. The developed electrical network model is used to calculate the current and …
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Design of a low-power analog circuit for an implantable RFID-enabled device with passive pressure sensor
… The designed data converter is implemented using charge-distribution technique which consumes 90 µW of power and has a resolution of 12 bits making it suitable for such energy-constrained applications. The designed ADC is targeted towards a commercially available passive capacitive pressure sensor …
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Nanoscale influences on bioactivity : ultrastructure and nanomechanics of model bioactive hydroxyapatite based biomaterials
… properties (e.g. surface functional groups, charge distribution, Hamaker constant), and morphological structure (e.g. grain size, shape, distribution, roughness) will govern its interaction with the biological environment.
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Engineering bacteriophage nanocarriers for targeted delivery of protein reagents to prostate cancer cells
… bioimaging reagents. However, the large size and charge distribution of most proteins greatly inhibits their intracellular delivery to diseased cells, limiting targets to those displayed on the cell surface. In response to this challenge, we have developed a bacteriophage nanocarrier to deliver …
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