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  • Engineering General  (5)
  • Humans  (4)
  • 2005-2009
  • 1990-1994  (9)
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  • 1930-1934
  • 1990  (9)
  • 1
    Electronic Resource
    Electronic Resource
    A numerical study of three-dimensional natural convection during freezing of water (1990)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 30 (1990), S. 899-914 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: A numerical study of three-dimensional natural convection with phase change in a rectangular parallelepiped is described. The fluid has temperature-dependent variable properties. The governing equations are approximated by finite differences, second order in space and first order in time. A boundary-fitted co-ordinate system is implemented to predict the shape and the movement of the solid-liquid interface. Preliminary results have been obtained for freezing of water in a cube for Rayleigh numbers in the range of about 105-106.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620300420
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Pore fluid frictional heating and stability of creeping landslides (1990)
    New York, NY [u.a.] : Wiley-Blackwell
    International Journal for Numerical and Analytical Methods in Geomechanics 14 (1990), S. 427-443 
    Details
    ISSN: 0363-9061
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
    Notes: An examination of the effects of frictional heating of pore fluid in relation to long-term slope stability is presented. It is found that increases in pore-fluid pressure due to heat-induced expansion may act to enhance creep rates and possibly lead to total loss of stability. Conditions for total stability loss are examined and an approximate critical value of average shear stress is determined. This value must be exceeded for a sufficiently long period of time in order to induce rapid failure.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nag.1610140604
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  • 3
    Electronic Resource
    Electronic Resource
    A stable fast marching scheme for computational fluid mechanics (1990)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 10 (1990), S. 607-621 
    Details
    ISSN: 0271-2091
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A stable fast marching scheme has been developed for the solution of coupled parabolic partial differential equations such as the Navier-Stokes equations. The scheme was developed with the aid of a stability analysis. The implementation of the method in standard alternating direction implicit algorithms is straightforward. The scheme was tested on the problem of natural convection in a square cavity. The number of iterations required for convergence was significantly reduced compared to conventional methods.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650100602
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  • 4
    Electronic Resource
    Electronic Resource
    Combined radiation and natural convection in a rectangular cavity with a transparent wall and containing a non-participating fluid (1990)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 10 (1990), S. 305-325 
    Details
    ISSN: 0271-2091
    Keywords: Natural convection ; Radiation ; Solar collector ; Finite differences ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: This paper describes a numerical method for the study of combined natural convection and radiation in a rectangular, two-dimensional cavity containing a non-participating (i.e. transparent) fluid.One wall of the cavity is isothermal, being heated either by solar radiation or independently. The opposite wall is partially transparent, permitting radiation exchanges between the cavity and its surroundings and/or the Sun; that wall also exchanges heat by convection from its external surface to the surroundings. The other two walls are adiabatic: convection and radiation there are balanced, so that there is no heat transfer through those walls.The equations of motion and energy are solved by finite difference methods. Coupled to these equations are the radiative flux boundary conditions which are used to determine the temperature distribution along the non-isothermal walls. A two-band radiation model has been employed.Results are presented for a square cavity with a vertical hot wall at 150 °C, the ambient at 20 °C and 104 ≤ Ra ≤ 3 × 105, in the absence of direct insolation. The effects on the flow and heat transfer in the cavity of radiation and external convection have been examined. More extensive results will be presented in subsequent papers.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650100306
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  • 5
    Electronic Resource
    Electronic Resource
    Impact - effects of fast transient loadings, W. J. Amman, Wing Kam Liu, J. A. Studer and T. Zimmermann (eds) (1990)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 11 (1990), S. 119-120 
    Details
    ISSN: 0271-2091
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650110108
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  • 6
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    Expression of T cell antigen receptor heterodimers in a lipid-linked form (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-10
    Description: The interaction of the T cell receptor for antigen (TCR) with its antigen-major histocompatibility complex ligand is difficult to study because both are cell surface multimers. The TCR consists of two chains (alpha and beta) that are complexed to the five or more nonpolymorphic CD3 polypeptides. A soluble form of the TCR was engineered by replacing the carboxyl termini of alpha and beta with signal sequences from lipid-linked proteins, making them susceptible to enzymatic cleavage. In this manner, TCR heterodimers can be expressed independently of the CD3 polypeptides and in significant quantities (0.5 milligram per week). This technique seems generalizable to biochemical and structural studies of many other cell surface molecules as well.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, A Y -- Devaux, B -- Green, A -- Sagerstrom, C -- Elliott, J F -- Davis, M M -- New York, N.Y. -- Science. 1990 Aug 10;249(4969):677-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Stanford University School of Medicine, CA 94305-5402.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1696397" target="_blank"〉PubMed〈/a〉
    Keywords: Alkaline Phosphatase/genetics ; Amino Acid Sequence ; Animals ; Antigens, CD3 ; Antigens, CD55 ; Antigens, Differentiation, T-Lymphocyte/genetics ; Cell Line ; Complement Inactivator Proteins/genetics ; Female ; Humans ; Macromolecular Substances ; Membrane Proteins/genetics ; Molecular Sequence Data ; Placenta/enzymology ; Pregnancy ; Protein Sorting Signals/genetics ; Receptors, Antigen, T-Cell/*genetics ; Transfection
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 7
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    Smokers: black and white (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schneiderman, M -- Davis, D L -- Wagener, D K -- New York, N.Y. -- Science. 1990 Jul 20;249(4966):228-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2374921" target="_blank"〉PubMed〈/a〉
    Keywords: African Americans ; European Continental Ancestry Group ; Female ; Humans ; Lung Neoplasms/mortality ; Male ; Prevalence ; Smoking/*epidemiology ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 8
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    A receptor for tumor necrosis factor defines an unusual family of cellular and viral proteins (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-25
    Description: Tumor necrosis factor alpha and beta (TNF-alpha and TNF-beta) bind surface receptors on a variety of cell types to mediate a wide range of immunological responses, inflammatory reactions, and anti-tumor effects. A cDNA clone encoding an integral membrane protein of 461 amino acids was isolated from a human lung fibroblast library by direct expression screening with radiolabeled TNF-alpha. The encoded receptor was also able to bind TNF-beta. The predicted cysteine-rich extracellular domain has extensive sequence similarity with five proteins, including nerve growth factor receptor and a transcriptionally active open reading frame from Shope fibroma virus, and thus defines a family of receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, C A -- Davis, T -- Anderson, D -- Solam, L -- Beckmann, M P -- Jerzy, R -- Dower, S K -- Cosman, D -- Goodwin, R G -- New York, N.Y. -- Science. 1990 May 25;248(4958):1019-23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immunex Corporation, Seattle, WA 98101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2160731" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Blotting, Northern ; Cloning, Molecular ; DNA/genetics ; Humans ; Membrane Proteins/genetics ; Molecular Sequence Data ; Multigene Family ; Receptors, Cell Surface/*genetics ; Receptors, Tumor Necrosis Factor ; Tumor Necrosis Factor-alpha/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 9
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    The human genome and other initiatives (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, B D -- New York, N.Y. -- Science. 1990 Jul 27;249(4967):342-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2377887" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; *Human Genome Project/economics ; Humans ; National Institutes of Health (U.S.) ; Research Support as Topic ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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