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Browsing 01.NU Schools by Issue Date

Browsing 01.NU Schools by Issue Date

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  • Sonnenberg-Riethmacher, Eva (The Rockefeller University Press, 1993)
    Scatter factor/hepatocyte growth factor (SF/HGF) has potent motogenic, mitogenic, and morphogenetic activities on epithelial cells in vitro. The cell surface receptor for this factor was recently identified: it is the ...
  • Sonnenberg-Riethmacher, Eva; Walter, Barbara; Riethmacher, Dieter; Godecke, Stephanie; Birchmeie, Carmen (Cold Spring Harbor Laboratory Press, 1996)
    The c-ros gene was originally identified in mutant form as an oncogene. The proto-oncogene encodes a tyrosine kinase receptor that is expressed in a small number of epithelial cell types, including those of the epididymis. ...
  • Rojas-Solorzano, L. (1997-05-10)
    The receptivity and stability of steady non-separated and unsteady separated boundary layers in a two-dimensional airfoil cascade flow is investigated by Direct Numerical Simulation of the time-dependent Navier-stokes and ...
  • Zarea, Stefan; Rojas-Solorzano, L. (1997 ASME Fluids Engineering Division Summer Meeting, June 22-26, 1997-06-22)
    The main objective of this paper is to present the results of the experimental investigation of a Zarea-type torsional velocity-meter. For this, a torsional meter was designed, built and tested in the laboratory. The current ...
  • Rojas-Solorzano, L. (DOI: 10.2514/6.1998-2560 Conference: 29th AIAA Fluid Dynamics Conference, At Albuquerque, NM, USA, Volume: 1, 1998)
    The generation and early evolution of boundary layer transitional instabilities, named Tollmien-Schlichting (T-S) waves, in airfoil cascade flows are studied. The energy exchange between the mean flow and the flow instabilities ...
  • Rojas-Solorzano, L. (Proceedings of FEDSM’98 1998 ASME Fluids Engineering Division Summer Meeting June 21-25, 1998, Washington, DC, 1998-06-21)
    The effects on the boundary layer receptivity in airfoil cascade flow caused by superposed disturbances are studied using an energetic approach. The separated terms in the Fluctuating Kinetic Energy (FKE) budget are ...
  • Woldeyesus, Masresha T.; Britsch, Stefan; Riethmacher, Dieter; Xu, Lan; Sonnenberg-Riethmacher, Eva; Abou-Rebyeh, Faikah; Harvey, Richard; Caroni, Pico; Birchmeier, Carmen (Cold Spring Harbor Laboratory Press, 1999)
    The ErbB2 tyrosine kinase functions as coreceptor for the neuregulin receptors ErbB3 and ErbB4 and can participate in signaling of EGF receptor (ErbB1), interleukin receptor gp130, and G-protein coupled receptors. ErbB2−/− ...
  • Zarea, S.; Rojas-Solorzano, L.; Kabboul, F. (SPE Latin American and Caribbean Petroleum Engineering Conference, Caracas, Venezuela, 21–23 April 1999, 1999-04-21)
    Experiments are performed to evaluate the leakage vs. pressure drop, wear and fluid properties, in ball-and-seat valves used in pumping units for artificial oil production. The test facility is constructed to evaluate the ...
  • Riethmacher-Sonnenberg, Eva (American Society for Microbiology, 2000)
    The GCM family of transcription factors consists of Drosophila melanogaster GCM, an important regulator of gliogenesis in the fly, and its two mammalian homologs, GCMa and GCMb. To clarify the function of these mammalian ...
  • Payares, C.; Rojas-Solorzano, L.; Viggiani, P. (Conference: h International Congress of Numerical Methods in Engeering and Applied Science (CIMENICS 2000), At Puerto La Cruz, Venezuela, Volume: 5, 2000)
    A mathematical model and numerical simulation of the three-dimensional and transient metal arc-welding process is presented. The heat source is considered as spatially distributed following a centered Gaussian bell, while ...
  • Concho, Maria A.; Gasbarri, Sandro; Rojas-Solorzano, L. (Proceeding of ETCE/OMAE2000 Joint Conference Energy for the New Millenium February 14-17, 2000, New Orleans, LA, 2000-02-14)
    The numerical simulation of the flow through a pilot valve used in the oil intermittent gas lift process is presented.The complexity of the non-isothermal compressible flow is modeled by the solution of the Navier-Stokes, ...
  • Salazar S., Abraham; Rojas-Solorzano, L. (Proceeding of ETCE/OMAE2000 Joint Conference Energy for the New Millenium February 14-17, 2000, New Orleans, LA, 2000-02-14)
    The study of the two-phase flow through the standing and traveling valves used in an oil artificial-lift pumping unit is presented. The investigation aimed to determine the effects the gaseous phase may cause on the pump ...
  • Corrales-Barallobre, C.; Martínez-Huen, R.; Alvarez, Luis; Polanco, G.; Rojas-Solorzano, L. (FEDSM2000 FORUM ON FLUID MEASURENMENT AND INSTRUMENTATION BOSTON, MASSACHUSETTS, ON JUNE 11-15, 2000, 2000-06-11)
    The design and test of the distribution manifold for a large-scale flowmeter calibration facility is presented. The design was intended to have an air-free flow operation and a free-surface flow-like towards the downstream ...
  • Corrales-Barallobre, C.; Martínez-Huen, R.; Alvarez, L.; Polanco, G.; Rojas-Solorzano, L. (FEDSM2000 FORUM ON FLUID MEASURENMENT AND INTRUMENTATION BOSTON, MASSACHUSETTS, ON JUNE 11-15, 2000, 2000-06-11)
    The design and test of a flow deflector gate used for controlling the flow deviation toward the primary tank in a flow-meter calibration facility is presented. The deflector gate is pneumatically controlled and permits the ...
  • Corrales-Barallobre, C.; Martínez-Huen, R.; Alvarez, Luis; Polanco, G.; Rojas-Solorzano, L. (FEDSM2000 FORUM ON FLUID MEASURENMENT AND INTRUMENTATION BOSTON, MASSACHUSETTS, ON JUNE 11-15, 2000, 2000-06-11)
    The design and set up of a large-scale flowmeter calibration and test facility is presented. The facility was designed to handle flowmeters with diameters between 6” and 14”, flow rates up to 0.3 m3/s and to give results ...
  • Urthaler, Yetzirah; Viggiani, Pedro; Payares, Carolina; Rojas-Solorzano, L. (Universidad Simón Bolívar Departamento de Mecánica (*) Departamento de Conversión de Energía, 2001)
    The numerical study and calculation of transient temperatures developing during the arc-welding process of 6063 T5 aluminum plates is presented. The mathematical model is based on the differential energy conservation ...
  • Ortega, P.; McGrath, G.; Rojas-Solorzano, L. (SPE International Thermal Operations and Heavy Oil Symposuim, Porlamar, Venezuela, 12–17 March 2001., 2001-03-12)
    The numerical simulation of a static T-type mixer for turbulent mixing of miscible liquids is reported. The simulation was carried out using CFX, a commercial computational fluid dynamic simulator. The effect of mixing ...
  • Cafiero, Mauricio; Bubin, Sergiy; Adamowicz, Ludwik (2003)
    We review a recent development in high-accuracy non-Born–Oppenheimer calculations of atomic and molecular systems in a basis of explicitly correlated Gaussian functions. Much of the recent progress in this area is due ...
  • Bubin, Sergiy; Adamowicz, Ludwik (2003)
    Very accurate, rigorous and fully variational, all-particle, non-Born–Oppenheimer calculations of the vibrational spectrum of the H2 molecule have been performed. Very high accuracy has been achieved by expanding the wave ...
  • Kottegoda, I.R.M.; Bakenov, Zhumabay; Ikuta, H.; Uchimoto, Y.; Wakihara, M. (The Electrochemical Society, Inc., 2003-01)
    Safety is an indispensable feature for a battery particularly in large scale applications. In this respect, gel electrolytes are more attractive due to less possibility of electrolyte leakage and safer if abused. ...