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Now showing items 35963-35982 of 57070

    • Numerical Methods and Analysis Tools for Material Mechanics Across Scales 

      Lu, Jiayin (2024-01-30)
      A material's structures at different lengthscales profoundly impact the material's properties and performance. Therefore, it is necessary to investigate material mechanics across scales to develop useful engineering ...

    • Numerical model of optical coherence tomographic vibrography imaging to estimate corneal biomechanical properties 

      Kling, Sabine; Akca, Imran B.; Chang, Ernest W.; Scarcelli, Giuliano; Bekesi, Nandor; Yun, Seok-Hyun; Marcos, Susana (The Royal Society, 2014)
      Most techniques measuring corneal biomechanics in vivo are biased by side factors. We demonstrate the ability of optical coherence tomographic (OCT) vibrography to determine corneal material parameters, while reducing ...

    • A numerical similarity approach for using retired Current Procedural Terminology (CPT) codes for electronic phenotyping in the Scalable Collaborative Infrastructure for a Learning Health System (SCILHS) 

      Klann, Jeffrey G.; Phillips, Lori C.; Turchin, Alexander; Weiler, Sarah; Mandl, Kenneth D.; Murphy, Shawn N. (BioMed Central, 2015)
      Background: Interoperable phenotyping algorithms, needed to identify patient cohorts meeting eligibility criteria for observational studies or clinical trials, require medical data in a consistent structured, coded format. ...

    • Numerical simulation of conformational variability in biopolymer translocation through wide nanopores 

      Fyta, Maria; Melchionna, Simone; Bernaschi, Massimo; Kaxiras, Efthimios; Succi, Sauro (IOP Publishing, 2009)
      Numerical results on the translocation of long biopolymers through mid-sized and wide pores are presented. The simulations are based on a novel methodology which couples molecular motion to a mesoscopic fluid solvent. ...

    • Numerical Simulation of Cropping 

      Tvergaard, Viggo; Hutchinson, John Woodside (ASME International, 2014)
      Cropping is a cutting process whereby opposing aligned blades create a shearing failure by exerting opposing forces normal to the surfaces of a metal sheet or plate. Building on recent efforts to quantify cropping, this ...

    • Numerical Simulation of Hot Accretion Flows. III. Revisiting Wind Properties Using the Trajectory Approach 

      Yuan, Feng; Gan, Zhaoming; Narayan, Ramesh; Sadowski, Aleksander; Bu, Defu; Bai, Xue-Ning (IOP Publishing, 2015)
      Previous MHD simulations have shown that wind must exist in black hole hot accretion flows. In this paper, we continue our study by investigating the detailed properties of wind and the mechanism of wind production. For ...

    • Numerical Simulations of Convective Accretion Flows in Three Dimensions 

      Igumenshchev, Igor V.; Abramowicz, Marek A.; Narayan, Ramesh (American Astronomical Society, 2000)
      Advection-dominated accretion flows (ADAFs) are known to be convectively unstable for low values of the viscosity parameter a. Two-dimensional axisymmetric hydrodynamic simulations of such flows reveal a radial density ...

    • Numerical simulations of super-critical black hole accretion flows in general relativity 

      Sadowski, A.; Narayan, Ramesh; McKinney, J. C.; Tchekhovskoy, A. (Oxford University Press (OUP), 2014)
      A new general relativistic radiation magnetohydrodynamical code KORAL is described, which employs the M1 scheme to close the radiation moment equations. The code has been successfully verified against a number of tests. ...

    • Numerical Simulations of Super-Eddington Accretion Disks and Their Application to Tidal Disruption Events 

      Curd, Brandon (2022-11-23)
      One of the major channels by which supermassive black holes (SMBHs) in the universe grow is through devouring stars in their host galaxy. The disruption of a star by a SMBH and subsequent disk formation appears as a bright ...

    • Numerical Studies in the Formation of Planetary Systems: What We Can Learn from Inclinations and Angular Momenta 

      Heising, Matthew Zachary (2022-01-24)
      This thesis presents numerical work performed to answer a few targeted questions in planet formation theory, applied both to specific systems and more generally. To put these questions in context, it begins with a broad ...

    • Numerical studies of relativistic jets 

      Narayan, Ramesh; Tchekhovskoy, A.; McKinney, J. (2010)
      The connection between collimation and acceleration of magnetized relativistic jets is discussed. The focus is on recent numerical simulations which shed light on some longstanding problems.

    • Numerical study of fermion and boson models with infinite-range random interactions 

      Fu, Wenbo; Sachdev, Subir (American Physical Society (APS), 2016)
      We present numerical studies of fermion and boson models with random all-to-all interactions (the SYK models). The high temperature expansion and exact diagonalization of the N-site fermion model are used to compute the ...

    • Numerous Conserved and Divergent MicroRNAs Expressed by Herpes Simplex Viruses 1 and 2 

      Jurak, Igor; Kramer, Martha F.; Mellor, Joseph C.; Lint, Alison van; Roth, Frederick P.; Knipe, David M.; Coen, Donald M. (American Society for Microbiology, 2010)
      Certain viruses use microRNAs (miRNAs) to regulate the expression of their own genes, host genes, or both. Previous studies have identified a limited number of miRNAs expressed by herpes simplex viruses 1 and 2 (HSV-1 and ...

    • The NuMI neutrino beam 

      Adamson, P.; Anderson, K.; Andrews, M.; Andrews, R.; Anghel, I.; Augustine, D.; Aurisano, A.; Avvakumov, S.; Ayres, D.S.; Baller, B.; Barish, B.; Barr, G.; Barrett, W.L.; Bernstein, R.H.; Biggs, J.; Bishai, M.; Blake, A.; Bocean, V.; Bock, G.J.; Boehnlein, D.J.; Bogert, D.; Bourkland, K.; Cao, S.V.; Castromonte, C.M.; Childress, S.; Choudhary, B.C.; Coelho, J.A.B.; Cobb, J.H.; Corwin, L.; Crane, D.; Cravens, J.P.; Cronin-Hennessy, D.; Ducar, R.J.; De Jong, J.K.; Devan, A.V.; Devenish, N.E.; Diwan, M.V.; Erwin, A.R.; Escobar, C.O.; Evans, J.J.; Falk, E.; Feldman, Gary J.; Fields, T.H.; Ford, R.; Frohne, M.V.; Gallagher, H.R.; Garkusha, V.; Gomes, R.A.; Goodman, M.C.; Gouffon, P.; Graf, N.; Gran, R.; Grossman, N.; Grzelak, K.; Habig, A.; Hahn, S.R.; Harding, D.; Harris, D.; Harris, P.G.; Hartnell, J.; Hatcher, R.; Hays, S.; Heller, K.; Holin, A.; Huang, J.; Hylen, J.; Ibrahim, A.; Indurthy, D.; Irwin, G.M.; Isvan, Z.; Jaffe, D.E.; James, C.; Jensen, D.; Johnstone, J.; Kafka, T.; Kasahara, S.M.S.; Koizumi, G.; Kopp, S.; Kordosky, M.; Kreymer, A.; Lang, K.; Laughton, C.; Lefeuvre, G.; Ling, J.; Litchfield, P.J.; Loiacono, L.; Lucas, P.; Mann, W.A.; Marchionni, A.; Marshak, M.L.; Mayer, N.; McGivern, C.; Medeiros, M.M.; Mehdiyev, R.; Meier, J.R.; Messier, M.D.; Michael, D.G.; Milburn, R.H.; Miller, J.L.; Miller, W.H.; Mishra, Shruti; Moed Sher, S.; Moore, C.D.; Morfín, J.; Mualem, L.; Mufson, S.; Murgia, S.; Murtagh, M.; Musser, J.; Naples, D.; Nelson, J.K.; Newman, H.B.; Nichol, R.J.; Nowak, J.A.; O?Connor, J.; Oliver, W.P.; Olsen, M.; Orchanian, M.; Osprey, S.; Pahlka, R.B.; Paley, J.; Para, A.; Patterson, R.B.; Patzak, T.; Pavlović, Z.; Pawloski, G.; Perch, A.; Peterson, E.A.; Petyt, D.A.; Pfützner, M.M.; Phan-Budd, S.; Plunkett, R.K.; Poonthottathil, N.; Prieto, P.; Pushka, D.; Qiu, X.; Radovic, A.; Rameika, R.A.; Ratchford, J.; Rebel, B.; Reilly, R.; Rosenfeld, C.; Rubin, H.A.; Ruddick, K.; Sanchez, M.C.; Saoulidou, N.; Sauer, L.; Schneps, J.; Schoo, D.; Schreckenberger, A.; Schreiner, P.; Shanahan, P.; Sharma, R.; Smart, W.; Smith, C.; Sousa, A.; Stefanik, A.; Tagg, N.; Talaga, R.L.; Tassotto, G.; Thomas, J.; Thompson, J.; Thomson, M.A.; Tian, X.; Timmons, A.; Tinsley, D.; Tognini, S.C.; Toner, Ruth; Torretta, D.; Trostin, I.; Tzanakos, G.; Urheim, J.; Vahle, P.; Vaziri, K.; Villegas, E.; Viren, B.; Vogel, G.; Webber, R.C.; Weber, A.; Webb, R.C.; Wehmann, A.; White, C.; Whitehead, L.; Whitehead, L.H.; Wojcicki, S.G.; Wong-Squires, M.L.; Yang, T.; Yumiceva, F.X.; Zarucheisky, V.; Zwaska, R. (Elsevier BV, 2016)
      This paper describes the hardware and operations of the Neutrinos at the Main Injector (NuMI) beam at Fermilab. It elaborates on the design considerations for the beam as a whole and for individual elements. The most ...

    • A Nurr1 Agonist Causes Neuroprotection in a Parkinson’s Disease Lesion Model Primed with the Toll-Like Receptor 3 dsRNA Inflammatory Stimulant Poly(I:C) 

      Smith, Gaynor A.; Rocha, Emily M.; Rooney, Thomas; Barneoud, Pascal; McLean, Jesse R.; Beagan, Jonathan; Osborn, Teresia; Coimbra, Madeleine; Luo, Yongyi; Hallett, Penelope J.; Isacson, Ole (Public Library of Science, 2015)
      Dopaminergic neurons in the substantia nigra pars compacta (SNpc) are characterized by the expression of genes required for dopamine synthesis, handling and reuptake and the expression of these genes is largely controlled ...

    • Nurses' Recognition of Delirium and Its Symptoms 

      Inouye, Sharon; Foreman, Marquis; Mion, Lorraine; Katz, Karol; Cooney, Leo (American Medical Association (AMA), 2001)
      Background Nurses play a key role in recognition of delirium, yet delirium is often unrecognized by nurses. Our goals were to compare nurse ratings for delirium using the Confusion Assessment Method based on routine ...

    • Nursing Education and Beliefs Towards Tobacco Cessation and Control: A Cross-sectional National Survey (GHPSS) among Nursing Students in Greece 

      Patelarou, Evridiki; Vardavas, Constantine Ilias; Ntzilepi, Penelope; Warren, Charles W; Barbouni, Anastasia; Kremastinou, Jenny; Connolly, Gregrory N.; Behrakis, Panagiotis K. (BioMed Central, 2011)
      Background: Within the healthcare system, nurses have the ability to influence their patients' smoking habits through counselling. Therefore, it is of great importance to appropriately train health professionals on smoking ...

    • Nursing home discharges and exhaustion of medicare benefits 

      Garber, Alan M; MaCurdy, Thomas E. (Taylor & Francis Group, 1993)
      The relationship between the utilization of nursing home care and its price is a subject of considerable policy interest. We assess price sensitivity by developing and applying “overlap polynomials” as a method to exploit ...

    • Nurturing sustainability 

      Clark, William (2009)

    • NuSTAR and Chandra Observations of New X-Ray Transients in the Central Parsec of the Galaxy 

      Mori, Kaya; Hailey, Charles J.; Mandel, Shifra; Schutt, Yve E.; Bachetti, Matteo; Coerver, Anna; Baganoff, Frederick K.; Dykaar, Hannah; Grindlay, Jonathan; Haggard, Daryl; Heuer, Keri; Hong, Jaesub; Hord, Benjamin J.; Jin, Chichuan; Nynka, Melania; Ponti, Gabriele; Tomsick, John A. (American Astronomical Society, 2019-11-11)
      We report NuSTAR and Chandra observations of two X-ray transients, SWIFT J174540.7−290015 (T15) and SWIFT J174540.2−290037 (T37), which were discovered by the Neil Gehrels Swift Observatory in 2016 within r ∼ 1 pc of Sgr ...