Search Results - (Author, Cooperation:A. K. Azad)

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  1. 1
    N. K. Grady ; J. E. Heyes ; D. R. Chowdhury ; Y. Zeng ; M. T. Reiten ; A. K. Azad ; A. J. Taylor ; D. A. Dalvit ; H. T. Chen
    American Association for the Advancement of Science (AAAS)
    Published 2013
    Staff View
    Publication Date:
    2013-05-21
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  2. 2
    Latest Papers from Table of Contents or Articles in Press
  3. 3
    Kolattukudy, P. E. ; Fernandes, Norvin D. ; Azad, A. K. ; Fitzmaurice, Ann Marie ; Sirakova, Tatiana D.

    Oxford BSL : Blackwell Science Ltd
    Published 1997
    Staff View
    ISSN:
    1365-2958
    Source:
    Blackwell Publishing Journal Backfiles 1879-2005
    Topics:
    Biology
    Medicine
    Notes:
    Tuberculosis and other mycobacterial infections are the most serious infectious diseases in terms of human fatalities. The high content of unique cell-wall lipids helps these organisms to resist antimicrobial drugs and host defences. The biosynthesis of these lipids is discussed briefly. The recent advances in recombinant DNA technology have begun to help to elucidate the nature of some of the enzymes involved in this process and the genes that encode them. Gene disruption and other molecular genetic technologies are beginning to provide new approaches to test for the biological functions of these gene products and may lead to identification of new antimycobacterial drug targets.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  4. 4
    Azad, A. K. ; Mirza, M. S. ; Chan, P.

    Oxford, UK : Blackwell Publishing Ltd
    Published 1989
    Staff View
    ISSN:
    1460-2695
    Source:
    Blackwell Publishing Journal Backfiles 1879-2005
    Topics:
    Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes:
    Abstract— An experimental investigation was conducted on a series of simply supported concrete beams with an aim to determine the fracture energy of the composite beam and apply the concept of fracture mechanics to predict flexural strength. In order that a single crack from the tip of the premolded central notch would propagate, the beams were lightly reinforced with a large cover so that the moment capacity of the beam as unreinforced section would be greater than that of the reinforced section. Based on test data, compliance calibration and energy release rate (G1) curves are presented for progressive cracking and a correlation between the critical energy release rate and ultimate moment capacity is suggested.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  5. 5
    Staff View
    ISSN:
    1359-5997
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Architecture, Civil Engineering, Surveying
    Description / Table of Contents:
    Resume Cet article présente une approche à la fois expérimentale et numérique pour ordoner les nombreux résultats, parfois contradictories, reflétant la caractérisation de l'interface béton/acier collé à l'époxy. Sur la base des données fournies par une éprouvette spécialement conçue en 1/2 poutre et des résultats expérimentaux apportés par d'autres géométries d'éprouvettes, combinés avec leur idéalisation respective par la méthode non-linéaire des éléments finis, on suggère, pour l'interface acier—adhésif—béton, une loi de rupture Mohr—Coulomb modifiée. On peut alors utiliser la simulation de ce comportement (éléments finis) d'une poutre en béton renforcé d'une plaque.
    Notes:
    Abstract An experimental—numerical approach is presented to rationalize the plethora of results, sometimes contradictory, reflecting the chrracterization of an epoxy bonded steel—concrete interface. Based on data from a specially designed half-beam specimen and experimental results from other specimen geometries, combined with their respective nonlinear finite element idealizations, a classical Mohr—Coulomb failure law together with a tension cut-off are suggested for the steel—glue—concrete interface. This description can then be used in a finite element simulation of a plated reinforced concrete beam.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses