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  • conjugate gradient method  (2)
  • Agrobacterium tumefaciens  (1)
  • Cities and towns, United States, Growth, History, 20th century, Case studies.  (1)
  • Enchondromatosis  (1)
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Material
Years
Keywords
  • 1
    Unknown
    Twentieth century sprawl : highways and the reshaping of the American Landscape ; Highways transformed America (2004)
    New York : Oxford University Press
    Details
    Keywords: Denver (Colo.), History, 20th century. ; Middlebury (Vt. : Town), History, 20th century. ; Smyrna (Rutherford County, Tenn.), History, 20th century. ; Cities and towns, United States, Growth, History, 20th century, Case studies. ; Interstate Highway System, History, 20th century. ; Roads, Government policy, United States, History, 20th century. ; Transportation, Automotive, United States, History, 20th century.
    Notes: Highway federalism -- Denver meets the automobile -- The decentralization of post-World War II Denver -- Automobiles and a small town -- Bridges, bypasses, and boulevards -- AutoCity : Smyrna, Tennessee
    Pages: xiv, 297 p.
    ISBN: 0-19-530264-8
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=129257
    Library Location Call Number Volume/Issue/Year Availability
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    E-Book (German National Licenses)
  • 2
    Electronic Resource
    Electronic Resource
    Ollier's disease and maffucci's syndrome: distinct entities or a continuum (1988)
    Springer
    Journal of neurology 235 (1988), S. 376-378 
    Details
    ISSN: 1432-1459
    Keywords: Enchondromatosis ; Ollier's disease ; Dyschondroplasia ; Maffucci's syndrome ; Glioma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A patient with the diagnosis of enchondromatosis (Ollier's disease) presented with seizures. CT examination showed an avascular right frontal lobe lesion. Surgery revealed a histologically verified grade II astrocytoma. This case is consistent with recent evidence that questions the distinction between the two forms of enchondromatosis (Ollier's disease and Maffucci's syndrome). Maffucci's syndrome is associated with a high rate of malignancy, including intracranial gliomas. Olliver's disease has not been associated with malignant change, other than sarcomatous transformation of the enchondromas. However, Ollier's disease and Maffucci's syndrome may be a spectrum of the same disease process, and therefore patients with diagnosed Ollier's disease are at a higher risk for malignancy than has been previously recognized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00314239
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Studies on multiple drug resistance and its relationship to tumorigenicity in Agrobacterium tumefaciens B6-806 (1983)
    Springer
    Archives of microbiology 135 (1983), S. 42-44 
    Details
    ISSN: 1432-072X
    Keywords: Agrobacterium tumefaciens ; Antibiotic resistance ; Phage resistance ; Tumorigenicity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In an octopine-utilizing, tumorigenic and 3-ketolactose-positive Agrobacterium tumefaciens strain, B6-806, mutants selected for streptomycin resistance also displayed resistance to nalidixic acid, kanamycin, ampicillin and to phage R4. They also became nontumorigenic and were unable to utilize octopine; it has been found that the mutants no longer contained the Ti plasmid. Reintroduction of the plasmid into one of the multiple mutants reinstated the ability to produce tumours and utilize octopine but the rest of the phenotypes have remained unchanged. Mutants selected first for phage resistance have not lost their tumorigenicity. However, when steptomycin resistance was incorporated into two such mutants 10% of the resultant colonies also became nontumorigenic but retained the ability to use octopine; the Ti plasmid was still present in them. Therefore methods described in this paper can be used for selecting different types of nontumorigenic variants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00419480
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    CONJUGATE GRADIENT METHODS FOR SOLVING THE SMALLEST EIGENPAIR OF LARGE SYMMETRIC EIGENVALUE PROBLEMS (1996)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 39 (1996), S. 2209-2229 
    Details
    ISSN: 0029-5981
    Keywords: eigenvalue problem ; conjugate gradient method ; Rayleigh quotient ; asymptotic analysis ; preconditioning ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: In this paper, a detailed description of CG for evaluating eigenvalue problems by minimizing the Rayleigh quotient is presented from both theoretical and computational viewpoints. Three variants of CG together with their asymptotic behaviours and restarted schemes are discussed. In addition, it is shown that with a generally selected preconditioning matrix the actual performance of the PCG scheme may not be superior to an accelerated inverse power method. Finally, some test problems in the finite element simulation of 2-D and 3-D large scale structural models with up to 20200 unknowns are performed to examine and demonstrate the performances.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 5
    Electronic Resource
    Electronic Resource
    A multi-grid enhanced GMRES algorithm for elasto-plastic problems (1998)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 42 (1998), S. 1441-1462 
    Details
    ISSN: 0029-5981
    Keywords: GMRES ; Galerkin multi-grid ; variable preconditioning scheme ; conjugate gradient method ; large-scale elasto-plastic problem ; Engineering ; Numerical Methods and Modeling
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: A combination of both GMRES and multi-grid (MG) methods is presented in this paper for solving large-scale two- and three-dimensional elasto-plastic problems, in which each MG iteration cycle serves as the preconditioning step for the GMRES procedure. A particular multi-grid approach, termed the Galerkin multi-grid scheme, is considered and the main effort is devoted to the implementation aspects of the proposed algorithm. Numerical examples, characterised by large-scale (up to 82145 DOF), strong non-linearity (nearly plastic limit state, necking and localization) and severe ill-conditioned states (presence of loading limit points), and also involving symmetric and unsymmetric as well as SPD and indefinite system matrices, are provided. The numerical results illustrate that the proposed method exhibits a remarkable performance in terms of efficiency and robustness in all circumstances. © 1998 John Wiley & Sons, Ltd.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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