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Filters: Collection: "ir_uspace"
| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
| 276 |
 | Berzins, Martin | Systematic debugging methods for large-scale HPC computational frameworks | Parallel computational frameworks for high-performance computing are central to the advancement of simulation-based studies in science and engineering. Finding and fixing bugs in these frameworks can be time consuming. If left unchecked, these bugs diminish the amount of new science performed. A sys... | 2014-01-01 | |
| 277 |
 | Henderson, Thomas C. | Target localization and autonomous navigation using wireless sensor networks -a pseudogradient algorithm approach | Autonomous mobile robots (AMRs) operating in unknown environments face twin challenges: 1) localization and 2) efficient directed navigation. This paper describes a two-tiered approach to solving these challenges: 1) by developing novel wireless-sensor-network (WSN)-based localization methods and 2)... | 2014-01-01 | |
| 278 |
 | Tiwari, Ashutosh | Tb2O3 thin films: An alternative candidate for high-k dielectric applications | We are reporting the growth and structural, optical, and dielectric properties of Tb2O3, a relatively unexplored high-k dielectric material. A pulsed-laser deposition technique was used to grow Tb2O3 thin-films on four different substrates: Si(100), SrTiO3(100), LaAlO3(100), and MgO(100). High resol... | 2014-01-01 | |
| 279 |
 | Moon, Anne M. | TBX3 regulates splicing in vivo: a novel molecular mechanism for Ulnar-Mammary Syndrome | TBX3 is a member of the T-box family of transcription factors with critical roles in development, oncogenesis, cell fate, and tissue homeostasis. TBX3 mutations in humans cause complex congenital malformations and Ulnar-mammary syndrome. Previous investigations into TBX3 function focused on its acti... | 2014-01-01 | |
| 280 |
 | Scarpulla, Michael | Te-rich CdTe surface by pulsed UV laser treatment for ohmic back contact formation | Pulsed UV laser treatments have recently been applied to polycrystalline CdTe solar cells to create an ohmic back contact. In this work, we investigate the surface stoichiometry variations produced by pulsed laser excitation using X-ray photoelectron spectroscopy (XPS). These results reveal surfaces... | 2014-01-01 | |
| 281 |
 | Couldwell, William T. | Technique for methyl methacrylate cranioplasty to optimize cosmetic outcome | Background: Cranioplasty aims to reconstruct skull defects from fractures, decompressive craniectomies, tumors, and congenital anomalies in a cosmetically acceptable manner. We present a technique in methyl methacrylate cranioplasty that gives excellent cosmetic results by maintaining patient's calv... | 2014-01-01 | |
| 282 |
 | Scarpulla, Michael | Temperature dependence of equivalent circuit parameters used to analyze admittance spectroscopy and application to CZTSe devices | We present a device physics and equivalent circuit model for admittance spectroscopy of CZTSe based photovoltaic devices. The experimental variations of the capacitance and conductance in the depletion width are reproduced for state of the art coevaporated CZTSe devices. We will show that simple Arr... | 2014-01-01 | |
| 283 |
 | Poulter, Charles Dale | Tetartohedral twinning in IDI-2 from Thermus thermophilus: crystallization under anaerobic conditions | Type-2 isopentenyl diphosphate isomerase (IDI-2) is a key flavoprotein involved in the biosynthesis of isoprenoids. Since fully reduced flavin mononucleotide (FMNH2) is needed for activity, it was decided to crystallize the enzyme under anaerobic conditions in order to understand how this reduced co... | 2014-01-01 | |
| 284 |
 | Armentrout, Peter B. | Theoretical investigation and reinterpretation of the decomposition of lithiated proline and N-Methyl Proline | Lithium cation complexes of proline (Pro) and N-methyl proline (NMP) have been collisionally activated with xenon in a guided ion beam tandem mass spectrometer (GIBMS). In addition to the loss of the intact ligand, Pro and NMP, we observed two prominent fragmentation pathways involving the loss of (... | 2014-01-01 | |
| 285 |
 | Armentrout, Peter B. | Thermodynamics and mechanism of protonated cysteine decomposition: a guided ion beam and computational study | A quantitative molecular description of the decomposition of protonated cysteine, H+Cys, is provided by studying the kinetic energy dependence of threshold collision-induced dissociation (CID) with Xe using a guided ion beam tandem mass spectrometer (GIBMS). Primary dissociation channels are deamida... | 2014-01-01 | |
| 286 |
 | Simpson, Jamesina J. | Three-dimensional subwavelength confinement of a photonic nanojet using a plasmonic nano-antenna GAP | Using 3-D finite-difference time-domain (FDTD) modeling, a microsphere-generating nanojet and gold nanoantenna gap are optimized to achieve 3-D nanojet confinement to a subwavelength volume of about 0.009 μm3 (wherein the edges of the volume are defined at 1/e2 of the maximum electric-field intensi... | 2014-01-01 | |
| 287 |
 | Rieth, Loren W | TiO2-WO3 composite nanotubes from co-sputtered thin films on si substrate for enhanced photoelectrochemical water splitting | Electrochemical anodization of a Ti-W nano-composite thin films deposited on a Si substrate by simultaneous magnetron sputtering of Ti and W resulted in the formation of TiO2-WO3 nanotubular arrays. A change in the morphology of TiO2-WO3 composite nanotubes with varying percentage of W in Ti-W compo... | 2014-01-01 | |
| 288 |
 | Gopalakrishnan, Ganesh | Towards providing low-overhead data race detection for large OpenMP applications | Neither static nor dynamic data race detection methods, by themselves, have proven to be sufficient for large HPC applications, as they often result in high runtime overheads and/or low race-checking accuracy. While combined static and dynamic approaches can fare better, creating such combinations, ... | 2014-01-01 | |
| 289 |
 | Solomon, Douglas Kip | Tracer applications of noble gas radionuclides in the geosciences | Noble gas radionuclides, including 81Kr (t1/2 = 229,000 yr), 85Kr (t1/2 = 10.8 yr), and 39Ar (t1/2 = 269 yr), possess nearly ideal chemical and physical properties for studies of earth and environmental processes. Recent advances in Atom Trap Trace Analysis (ATTA), a laser-based atom counting method... | 2014-01-01 | |
| 290 |
 | Couldwell, William T. | Transtemporal approach to the removal of a lateral pontine tumor | This video demonstrates a very useful trajectory to a pontine lesion. A 68-year-old man presented with tongue numbness and weakness. The approach used was a transtemporal presigmoid retrolabyrinthine approach to enable an orthogonal trajectory to the lateral pons. Following the transtemporal opening... | 2014-01-01 | |
| 291 |
 | Liu, Feng | Tuning nucleation density of metal island with charge doping of graphene substrate | We have demonstrated that the island nucleation in the initial stage of epitaxial thin film growth can be tuned by substrate surface charge doping. This charge effect was investigated using spin density functional theory calculation in Fe-deposition on graphene substrate as an example. It was found ... | 2014-01-01 | |
| 292 |
 | Gerig, Guido | UNC-Utah NA-MIC framework for DTI fiber tract analysis | Diffusion tensor imaging has become an important modality in field of neuroimaging to capture changes in micro-organization and to assess white matter integrity or development While there exists a number of tractography toolsets, these usually lack tools for preprocessing or to analyze diffusion pro... | 2014-01-01 | |
| 293 |
 | Liu, Feng | Understanding graphene production by ionic surfactant exfoliation: a molecular dynamics simulation study | We have simulated sodium dodecyl sulfate (SDS) surfactant/waterþbilayer graphene mixture system to investigate two mechanisms of graphene exfoliation: changing the interlayer distance and sliding away the relative distance. By calculating the total energy as a function of the interlayer (sliding-aw... | 2014-01-01 | |
| 294 |
 | Miller, Jan D. | Understanding the agglomeration behavior of nickel laterite and gold ores using statistical design of experiments | The drum agglomeration of nickel laterite and gold ores has been optimized through the design of experiments (DOE) using a Taguchi L16 (45) orthogonal array to determine the optimum conditions for maximizing average agglomerate size and minimizing the amount of fines. The effects of controllable ope... | 2014-01-01 | |
| 295 |
 | Farmer, Colleen G. | Unidirectional pulmonary airflow patterns in the savannah monitor lizard | The unidirectional airflow patterns in the lungs of birds have long been considered a unique and specialized trait associated with the oxygen demands of flying, their endothermic metabolism1 and unusual pulmonary architecture2,3. However, the discovery of similar flow patterns in the lungs of crocod... | 2014-02-20 | |
| 296 |
 | Wei, Y. H. Dennis | Urban land expansion and spatial dynamics in Globalizing Shanghai | Urban land expansion in China has attracted considerable scholarly attention. However, more work is needed to apply spatial modeling to understanding the mechanisms of urban growth from both institutional and physical perspectives. This paper analyzes urban expansion in Shanghai and its development ... | 2014-01-01 | |
| 297 |
 | Wei, Y. H. Dennis | Urbanization, land use, and sustainable development in China | China's economic reforms and unprecedented growth have generated many fascinating issues for scholarly research. An understanding of urbanization and land use change in China is required for appropriate strategies and policies to facilitate future sustainable development. This paper reviews the lite... | 2014-01-01 | |
| 298 |
 | Erickson, J. Alan | The use of a modular titanium baseplate with a press-fit keel implanted with a surface cementing technique for primary total knee arthroplasty | Little data exists regarding outcomes following TKA performed with surface-cementation for the fixation of modular tibial baseplates with press-fit keels.Thus, we retrospectively reviewed the clinical and radiographic outcomes of 439 consecutive primary TKAs performed with surface cemented tibial co... | 2014-01-01 | |
| 299 |
 | Gerton, Jordan | Using a sharp metal tip to control the polarization and direction of emission from a quantum dot | Optical antennas can be used to manipulate the direction and polarization of radiation from an emitter. Usually, these metallic nanostructures utilize localized plasmon resonances to generate highly directional and strongly polarized emission, which is determined predominantly by the antenna geometr... | 2014-01-01 | |
| 300 |
 | Kirby, Robert Michael | Verifying volume rendering using discretization error analysis | We propose an approach for verification of volume rendering correctness based on an analysis of the volume rendering integral, the basis of most DVR algorithms. With respect to the most common discretization of this continuous model (Riemann summation), we make assumptions about the impact of parame... | 2014-01-01 |