Filters: Collection:"ir_uspace"
| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
| 126 |  | Ehleringer, James R. | Simplified GIS approach to modeling global leaf water isoscapes | The stable hydrogen (d2H) and oxygen (d18O) isotope ratios of organic and inorganic materials record biological and physical processes through the effects of substrate isotopic composition and fractionations that occur as reactions proceed. At large scales, these processes can exhibit spatial predic... | Oxygen isotope ratio; Hydrogen isotope ratio; Leaf water isoscapes; GIS | 2008 |
| 127 |  | Freire, Juliana; Silva, Claudio T. | Simplifying the design of workflows for large-scale data exploration and visualization | Workflows and Computational Processes. Workflows are emerging as a paradigm for representing and managing complex computations - Simulations, data analysis, visualization, data integration. | 2008 | |
| 128 |  | Gondolo, Paolo; Springer, Robert Wayne | Site characteristic of Southern Utah sites for astronomical observatories | The University of Utah has recently begun construction of a new 0.8m optical/IR robotic telescope to be operated as a regional astronomy resource in the Intermountain West. The new Southern Utah Observatory (SUO) will require a high altitude (>3000 m) site with excellent atmospheric seeing, favorab... | 2008 | |
| 129 |  | Kieda, David B. | Status of the VERITAS observatory | Abstract. VERITAS, an Imaging Atmospheric Cherenkov Telescope (IACT) system for gammma-ray astronomy in the GeV-TeV range, has recently completed its first season of observations with a full array of four telescopes. A number of astrophysical gamma-ray sources have been detected, both galactic and e... | 2008 | |
| 130 |  | Erickson, John Owen | Steps | Form: painting; Medium: oil and latex; Dimensions: 18 x 24" | Painting | 2008 |
| 131 |  | Miller, Joel Steven | Structure of CrIIF(NCMe)2BF4. Rietveld refinement of a component of a physical mixture of unknown composition | The reaction of CrII(NCMe)4(BF4)2 and [NBun 4][TCNE] (TCNE ¼ tetracyanoethylene) in CH2Cl2 forms a solid that is a mixture of an amorphous reduced-TCNE containing phase(s) and a crystalline component. Rietveld refinement of the high-resolution, synchrotron X-ray powder pattern enabled the determi... | Organic-based magnets; Powder X-ray diffraction; Tetracyanoethylene | 2008 |
| 132 |  | Erickson, John Owen | Stuffed | Form: painting; Medium: oil and latex; Dimensions: 18 x 24" | Painting | 2008 |
| 133 |  | Dailey, Andrew T. | Subaxial cervical spine trauma classification: the subaxial injury classification system and case examples | Object. The authors review a novel subaxial cervical trauma classification system and demonstrate its application through a series of cervical trauma cases. Methods. The Spine Trauma Study Group collaborated to create the Subaxial Injury Classification (SLIC) and Severity score. The SLIC system is... | Cervical spine trauma; Injury severity score; Spinal cord injury; Subaxial Injury Classification; SLIC; Discoligamentous integrity; Neurological status | 2008 |
| 134 |  | Goller, Franz | Superfast vocal muscles control song production in songbirds | Birdsong is a widely used model for vocal learning and human speech, which exhibits high temporal and acoustic diversity. Rapid acoustic modulations are thought to arise from the vocal organ, the syrinx, by passive interactions between the two independent sound generators or intrinsic nonlinear dyna... | Vocal muscles; Syringeal muscles; Sturnus vulgaris | 2008 |
| 135 |  | Scarpulla, Michael | Suppression of hole-mediated ferromagnetism in Ga1-xMnxP by hydrogen | We report the passivation of the Mn acceptors in Ga1−xMnxP upon exposure to a hydrogen plasma. The as-grown films are nonmetallic and ferromagnetic with a Curie temperature of TC=55 K. After hydrogenation the sample resistivity increases by approximately three orders of magnitude at room tempera... | Ferromagnetic semiconductors; Hydrogenation | 2008 |
| 136 |  | Dailey, Andrew T. | Surgical treatment of occipitocervical instability | OBJECTIVE: Instability of the occipitocervical junction can be a challenging surgical problem because of the unique anatomic and biomechanical characteristics of this region. We review the causes of instability and the development of surgical techniques to stabilize the occipitocervical junction. ... | Occipitocervical instability | 2008 |
| 137 |  | Chapman, David S. | Techniques, analysis, and noise in a Salt Lake Valley 4D gravity experiment | Repeated high-precision gravity measurements using an automated gravimeter and analysis of time series of 1-Hz samples allowed gravity measurements to be made with an accuracy of 5 μGal or better. Nonlinear instrument drift was removed using a new empirical staircase function built from multiple ... | Gravity measurements | 2008 |
| 138 |  | Erickson, John Owen | Temple Rider | Form: painting; Medium: oil and latex; Dimensions: 11 x 14" | Painting | 2008 |
| 139 |  | Battin, Margaret P. | Terminal sedation: pulling the sheet over our eyes | Terminal sedation-also called "palliative sedation," "continuous deep sedation," or "primary deep continuous sedation"-has become a new favorite in end-of-life care, a seeming compromise in the debate over physician-assisted dying. Like all compromises, it offers something to each side of a dispu... | Terminal sedation; Palliative sedation | 2008 |
| 140 |  | Vardeny, Zeev Valentine; Nahata, Ajay | Thermal emission from metallic films perforated with subwavelength hole arrays | This report presents an overview of our study on the optical transmission and thermal light emission properties of subwavelength hole arrays fabricated in a square lattice with 4 um periodicity. The structures were fabricated in thin aluminum (Al) films on silicon (Si) substrates using conventional ... | 2008 | |
| 141 |  | Chuaqui, Miguel Basim | Tiempo norte, tiempo sur (north time, south time) | Score for work for chamber orchestra commissioned by the Utah Arts Festival (NEA). | music, chamber orchestra | 2008 |
| 142 |  | Kieda, David B. | Toward a revival of stellar intensity interferometry | Building on technological developments over the last 35 years, intensity interferometry now appears a feasible option by which to achieve diffraction-limited imaging over a square-kilometer synthetic aperture. Upcoming Atmospheric Cherenkov Telescope projects will consist of up to 100 telescopes, ... | Intensity interferometry; Air Cherenkov Telescope | 2008 |
| 143 |  | Freire, Juliana; Silva, Claudio T. | Towards enabling social analysis of scientific data | Flickr, Facebook, Yahoo! Pipes), which facilitate collaboration and sharing between users, are becoming increasingly popular. An important benefit of these sites is that they enable users to leverage the wisdom of the crowds. For example, in Flickr, users, in a mass collaboration approach, tag ... | Social data analysis; Scientific data; Workflows; Provenance; Pipelines; VisTrails | 2008 |
| 144 |  | Shirley, Peter S.; Parker, Steven G. | Towards interactive global illumination effects via sequential Monte Carlo adaptation | This paper presents a novel method that effectively combines both control variates and importance sampling in a sequential Monte Carlo context while handling general single-bounce global illumination effects. The radiance estimates computed during the rendering process are cached in an adaptive per... | Ray tracing; Illumination; Monte Carlo methods | 2008 |
| 145 |  | Couldwell, William T.; Apfelbaum, Ronald I. | Transoral approach and extended modifications for lesions of the ventral foramen magnum and craniovertebral junction | Objectives: To describe our method of performing the transoral approach and the extended approaches to the ventral foramen magnum and craniovertebral junction and review the technical aspects and operative nuances. Design: Review Results: The transoral approach provides direct midline exposure to a... | Craniovertebral junction; Foramen magnum; Skull base surgery; Transoral approach | 2008 |
| 146 |  | Hultine, Kevin; Sperry, John S. | Transpiration and hydraulic strategies in a piñon-juniper woodland | Anthropogenic climate change is likely to alter the patterns of moisture availability globally. The consequences of these changes on species distributions and ecosystem function are largely unknown, but possibly predictable based on key ecophysiological differences among currently coexisting species... | Drought; Hydraulic transport model; Juniperus osteosperma; Plant water use; Sap flux; Species distributions | 2008 |
| 147 |  | Reichler, Thomas J.; Kim, Junsu | Uncertainties in the climate mean state of global observations, reanalyses, and the GFDL climate model | Climate research relies on realistic atmospheric data over long periods of time. Global reanalyses or observations are commonly used for this type of work. However, the many problems associated with both the reanalyses and observations cast doubts on the reliability of such data for climate appli... | Climate; atmospheric data; reanalyses | 2008 |
| 148 |  | Erickson, John Owen | Untitled | Form: painting; Medium: oil and latex; Dimensions: 11 x 14" | Painting; Street scene | 2008 |
| 149 |  | Scheer, Brenda | Urban morphology and urban design | There has recently been a flurry of discussion in this journal about the relationship between urban morphological research and practice (Hall, 2008; Samuels, 2008; Whitehand, 2007). As a practising architect and planner, I have frequently applied the concepts of typology and morphology in my desi... | Urban morphology; Urban design | 2008 |
| 150 |  | Couldwell, William T.; Yonemura, Kenneth S. | Use of the Olympus endoArm for spinal and skull-based transsphenoidal neurosurgery | Minimally invasive surgical techniques have evolved to reduce soft-tissue injury associated with open surgical techniques. The use of endoscopic visualization allows the exposure of deep structures and provides a mechanism to perform all the components of an open surgical procedure through small p... | EndoArm; Endoscope; Pneumatic; Skull-based; Transsphenoidal neurosurgery | 2008 |