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Now showing items 17206-17225 of 28374
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N-body Simulations with Cohesion in Dense Planetary Rings
(2011)This dissertation is primarily focused on exploring whether weak cohesion among icy particles in Saturn's dense rings is consistent with observations--and if so, what limits can be placed on the strength of such cohesive ... -
N-HETEROAROMATIC ACID ADLAYER STRUCTURES UNDER HYDROGEN BONDING INFLUENCE:
(2007-02-20)In this dissertation, I investigate the adsorption and growth of thin films of N-heteroaromatic acids and related molecules on Ag(111) surface. The N-heteroaromatic acids have ring-nitrogen and carboxylic groups. Hence, ... -
N-METHYL-4-PICOLINIUM ESTERS AS PHOTOREMOVABLE PROTECTING GROUPS BASED ON PHOTOINDUCED ELECTRON TRANSFER
(2005-05-03)The goal of this project is to develop an improved photoremovable protecting group (PRPG) for the carboxylate functionality that can be released using high wavelength light through a photoinduced electron transfer (PET) ... -
N-METHYL-4-PICOLINIUM IODIDE ESTERS AS VISIBLE LIGHT PHOTOREMOVABLE PROTECTING GROUPS FOR CARBOXYLIC ACIDS
(2015)Facile photorelease of carboxylic acids is performed through charge-transfer excitation of N-methyl-4-picolinium iodide esters. Photolysis reactions are carried out under mild, biphasic solvent conditions using a household ... -
NA-ION INTERCALATED HIGHLY TRANSPARENT AND CONDUCTIVE FILMS
(2015)Transparent conductive films (TCFs) are materials with both high optical transmittance and high electrical conductivity. This thesis focuses on developing high transparent, high conductive, and low-cost transparent conductive ... -
NAKED GOBIES (GOBIOSOMA BOSC) AS INDICATORS OF OYSTER REEF RESTORATION SUCCESS
(2009)Naked gobies (</italic>Gobiosoma bosc</italic>) are the most abundant resident fish on oyster reefs in the Chesapeake Bay and serve as a critical trophic link between the benthic and pelagic communities. Their response ... -
Nannie H. Burroughs' Rhetorical Leadership During the Inter-War Period
(2008-09-03)Although frequently praised for her rhetorical abilities and widely recognized as an influential leader in the African-American community, Nannie Helen Burroughs' speeches and writings have been the subject of little ... -
NANO ELECTRIC DISCHARGE MACHINING OF GOLD THIN FILMS WITH A MODIFIED SCANNING TUNNELING MICROSCOPE
(2005-05-03)This Master's thesis presents the development of an instrument and a technique to locally ablate solid surfaces using a scanning tunneling microscope and an electrostatic discharge processes. The design and construction ... -
NANO STRUCTURED MATERIALS FOR ENERGY APPLICATIONS
(2017)This dissertation addressed the applications of nanostructured materials as oxygen carriers (OCs) and catalysts in poly lactic acid (PLA) thermal decomposition. In chapter 1~4, the stability and cyclibility of metal oxides ... -
Nano-engineering and Simulating Electrostatic Capacitors for Electrical Energy Storage
(2012)Electrical energy storage solutions with significantly higher gravimetric and volumetric energy densities and rapid response rates are needed to balance the highly dynamic, time-variant supply and demand for power. ... -
Nano-Engineering of Densely Packed Electrochemical Energy Storage Architectures by Atomic Layer Deposition
(2016)Nanostructures are highly attractive for future electrical energy storage devices because they enable large surface area and short ion transport time through thin electrode layers for high power devices. Significant ... -
The Nanoarchitecture of the Outer Hair Cell Lateral Wall: Structural Correlates of Electromotility
(2021)Proper mammalian hearing depends on an outer hair cell-based mechanism that amplifies the sound-induced travelling waves in the cochlea. Outer hair cells (OHCs) contribute to this cochlear amplification through their ... -
Nanochannel fabrication using thermo-mechanical deformation of thermoplastics
(2006-12-08)Nanofluidics has been a major field of research for application in areas like single molecule detection. Most of the research efforts have been concentrated in developing novel nanochannel fabrication techniques. Most of ... -
Nanocomposite and Soluble Energetic Additives for Burning Enhancement of Hydrocarbon Fuels
(2017)Metallizing liquid fuels and propellants to improve performance of energy conversion and propulsion systems has been of interest for decades but past attempts to do so using micron-sized metal powders demonstrated inefficient ... -
A NANOCOMPOSITE HYDROGEL FOR STROMAL CELL-DERIVED FACTOR-1 ALPHA DELIVERY AND MODULATION OF MACROPHAGE PHENOTYPE FOR SKIN TISSUE REGENERATION
(2021)Chronic, non-healing skin wounds arising as a sequela of underlying disease are often difficult to treat clinically, susceptible to infection, and may severely reduce a patient’s quality of life. Tissue engineered constructs ... -
Nanoconfined Polyelectrolyte Brushes: Thermodynamics, Electrostatics and Transport
(2017)Polyelectrolyte (PE) grafting on the solid-liquid interface of a nano-channel renders tremendous functionalities to the nano-channel. These grafted PE molecules attain “brush”-like configuration for large grafting density ... -
Nanocrystalline diamond thin film integration in AlGaN/GaN high electron mobility transistors and 4H-SiC heterojunction diodes
(2010)The extremely high thermal conductivity and mechanical hardness of diamond would make it the natural choice for device substrates when large area wafer production becomes possible. Until this milestone is achieved, people ... -
Nanoelectronic Materials
(2010)This thesis explores fabrication methods and characterization of novel materials used in field effect transistors, including metallic nanowires, carbon nanotubes, and graphene. Networks of conductive nanotubes are ... -
Nanofabrication on engineered silicon (100) surfaces using scanning probe microscopy
(2011)Fabricating and measuring sub-5 nanometer features brings to light several pressing issues in future semiconductor industry manufacturing and dimensional metrology. This dissertation presents a feasible process to create ... -
Nanofluids with Enhanced Thermal Transport Properties
(2008-08-04)Heat transfer fluids have inherently low thermal conductivity that greatly limits the heat exchange efficiency. While the effectiveness of extending surfaces and redesigning heat exchange equipments to increase the heat ...