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  • Chaotic behaviour
  • Dynamic
  • Modelling
  • American Geophysical Union  (9)
  • Wiley-Blackwell  (6)
  • American Physical Society (APS)
  • MDPI Publishing
  • Wiley
  • 1990-1994  (15)
  • 1940-1944
Sammlung
Schlagwörter
Verlag/Herausgeber
Erscheinungszeitraum
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    Interactive variable selection (IVS) for PLS. Part 1: Theory and algorithms (1994)
    New York, NY : Wiley-Blackwell
    Journal of Chemometrics 8 (1994), S. 349-363 
    Details
    ISSN: 0886-9383
    Schlagwort(e): Variable selection ; PLS ; Calibration ; Modelling ; Chemistry ; Analytical Chemistry and Spectroscopy
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: A modified PLS algorithm is introduced with the goal of achieving improved prediction ability. The method, denoted IVS-PLS, is based on dimension-wise selective reweighting of single elements in the PLS weight vector w. Cross-validation, a criterion for the estimation of predictive quality, is used for guiding the selection procedure in the modelling stage. A threshold that controls the size of the selected values in w is put inside a cross-validation loop. This loop is repeated for each dimension and the results are interpreted graphically. The manipulation of w leads to rotation of the classical PLS solution. The results of IVS-PLS are different from simply selecting X-variables prior to modelling. The theory is explained and the algorithm is demonstrated for a simulated data set with 200 variables and 40 objects, representing a typical spectral calibration situation with four analytes. Improvements of up to 70% in external PRESS over the classical PLS algorithm are shown to be possible.
    Zusätzliches Material: 9 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/cem.1180080505
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Modelling of resist performance (1994)
    New York, NY [u.a.] : Wiley-Blackwell
    Advanced Materials for Optics and Electronics 4 (1994), S. 165-175 
    Details
    ISSN: 1057-9257
    Schlagwort(e): Simulation ; Modelling ; Resists ; Chemical mechanisms ; Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik
    Notizen: Simulation of lithographic processes uksing novolac/diazonaphthoquinone resists has become widespread over the past 15 years. Several refinements to the original Dill model have been made to account for experimentally observed behavior. Models have also bee extended to cover other resist chemistry, including electron beam resists, chemically amplified resists and surface-imaging approaches. While these models are not yet mature, useful insight to the chemical mechanisms and processing can be gained through their use.
    Zusätzliches Material: 4 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/amo.860040210
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Upstream monotonic interpolation for scalar transport with application to complex turbulent flows (1994)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 19 (1994), S. 527-548 
    Details
    ISSN: 0271-2091
    Schlagwort(e): Monotonic interpolation ; TVD ; MUSCL ; Turbulence transport ; Modelling ; Numerical accuracy ; Engineering ; Engineering General
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Maschinenbau
    Notizen: A new monotonic scheme for the approximation of steady scalar transport is formulated and implemented within a collocated finite-volume/pressure-correction algorithm for general turbulent flows in complex geometries. The scheme is essentially a monotonic implementation of the quadratic QUICK interpolation and uses a continuous and compact limiter to secure monotonicity. The principal purpose is to allow an accurate and fully bounded, hence stable, approximation of turbulence convection in the context of two-equation eddy viscosity and Reynolds stress transport modelling of two- and three-dimensional flows, both subsonic and transonic. Among other benefits, this capability permits an assessment to be made of the adequacy of approximating turbulence convection with first-order upwind schemes in conjunction with higher-order formulations for mean-flow properties - a widespread practice. The performance characteristics of the bounded scheme are illustrated by reference to computations for scalar transport, for a transonic flow in a Laval nozzle, for one separated laminar flow and for two separated turbulent flows computed with a non-linear RNG model and full Reynolds stress closure.
    Zusätzliches Material: 18 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/fld.1650190606
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  • 4
    facet.materialart.
    Unbekannt
    Seismicity modeling and earthquake prediction: A review (1994)
    American Geophysical Union
    In:  Professional Paper, Nonlinear Dynamics and Predictability of Geophysical Phenomena, Washington, American Geophysical Union, vol. 24, no. 231, pp. 7-13, (ISBN: 3-540-23712-7)
    Details
    Publikationsdatum: 1994
    Schlagwort(e): Modelling ; Earthquake precursor: prediction research ; Earthquake precursor: statistical anal. of seismicity ; criticality ; Review article ; Chaotic behaviour ; FractureT
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 5
    facet.materialart.
    Unbekannt
    Chaos: A historical perspective (1994)
    American Geophysical Union
    In:  Bull., Polar Proj. OP-O3A4, Nonlinear Dynamics and Predictability of Geophysical Phenomena, Washington, American Geophysical Union, vol. 1, no. 4, pp. 1-5, (ISBN 0080419208)
    Details
    Publikationsdatum: 1994
    Schlagwort(e): Review article ; Non-linear effects ; Chaotic behaviour
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 6
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    Is the dynamics of the lithosphere chaotic? (1994)
    American Geophysical Union
    In:  Bull., Polar Proj. OP-O3A4, Nonlinear Dynamics and Predictability of Geophysical Phenomena, Washington, American Geophysical Union, vol. 48, no. 4, pp. 37-41, (ISBN 0080419208)
    Details
    Publikationsdatum: 1994
    Schlagwort(e): Dynamic ; Chaotic behaviour ; Non-linear effects
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 7
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    Nonlinear Dynamics and Predictability of Geophysical Phenomena (1994)
    American Geophysical Union
    In:  Washington, 107 pp., American Geophysical Union, vol. IUGG Volume 18, no. 85, pp. 799-804, (ISBN 3-540-23219-2)
    Details
    Publikationsdatum: 1994
    Schlagwort(e): Non-linear effects ; FractureT ; Chaotic behaviour ; SOC ; criticality ; Textbook of geophysics ; Dynamic ; Earthquake precursor: prediction research
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 8
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    Unbekannt
    Self-organized criticality: Consequences for statistics and predictability of earthquakes (1994)
    American Geophysical Union
    In:  Nonlinear Dynamics and Predictability of Geophysical Phenomena, Washington, American Geophysical Union, vol. 22, no. 16, pp. 69-74, (ISBN 0080419208)
    Details
    Publikationsdatum: 1994
    Schlagwort(e): SOC ; Chaotic behaviour ; Non-linear effects ; Earthquake precursor: prediction research ; Earthquake precursor: statistical anal. of seismicity
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 9
    facet.materialart.
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    The precursor of instability for nonlinear systems and its application to earthquake prediction - the load-unload response ratio theory (1994)
    American Geophysical Union
    In:  Professional Paper, Open-File Rept., Nonlinear Dynamics and Predictability of Geophysical Phenomena, Washington, American Geophysical Union, vol. 4, no. 2, pp. 55-60, (ISBN 0080419208)
    Details
    Publikationsdatum: 1994
    Schlagwort(e): Earthquake precursor: prediction research ; Non-linear effects ; Earthquake precursor: stresses ; Modelling ; Stress
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 10
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    Dynamics of a seismic regime: Vrancea - a case history (1994)
    American Geophysical Union
    In:  Professional Paper, Open-File Rept., Nonlinear Dynamics and Predictability of Geophysical Phenomena, Washington, American Geophysical Union, vol. 3, no. 16, pp. 43-53, (ISBN 1-86239-165-3, vi + 330 pp.)
    Details
    Publikationsdatum: 1994
    Schlagwort(e): Earthquake ; Dynamic ; Seismicity ; Hypocentral depth
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 11
    facet.materialart.
    Unbekannt
    Period-doubling bifurcation and chaotic phenomena in a single degree of freedom elastic system with a two-state variable friction law (1994)
    American Geophysical Union
    In:  Professional Paper, Open-File Rept., Nonlinear Dynamics and Predictability of Geophysical Phenomena, Washington, American Geophysical Union, vol. 4, no. 2, pp. 75-80, (ISBN 0080419208)
    Details
    Publikationsdatum: 1994
    Schlagwort(e): Chaotic behaviour ; Friction
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 12
    facet.materialart.
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    Nonlinear dynamic modeling of earthquake prediction (1994)
    American Geophysical Union
    In:  Bull., Open-File Rept., Nonlinear Dynamics and Predictability of Geophysical Phenomena, Washington, American Geophysical Union, vol. 5, no. 16, pp. 81-89, (ISBN 1-86239-165-3, vi + 330 pp.)
    Details
    Publikationsdatum: 1994
    Schlagwort(e): Modelling ; Earthquake precursor: prediction research ; Earthquake precursor: models ; Chaotic behaviour
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 13
    Digitale Medien
    Digitale Medien
    Application of orthogonal expansion to mapping and modelling (1993)
    New York, NY : Wiley-Blackwell
    Journal of Chemometrics 7 (1993), S. 243-253 
    Details
    ISSN: 0886-9383
    Schlagwort(e): Orthogonal expansion ; Mapping ; Modelling ; Chemistry ; Analytical Chemistry and Spectroscopy
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: In this paper we discuss the orthogonal expansion of data matrices and its application to mapping and modelling. Two new methods, modified optimal discriminant plane (MODP) for mapping and order Gram-Schmidt orthogonalization (OGSO) for modelling, are proposed and examples are given.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/cem.1180070403
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  • 14
    Digitale Medien
    Digitale Medien
    Calculation of turbulent combustion of propane in furnaces (1993)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 17 (1993), S. 221-239 
    Details
    ISSN: 0271-2091
    Schlagwort(e): Turbulent reacting flows ; Modelling ; Solution sensitivity ; Numerical methods ; Multi-grid method ; Numerical accuracy ; Engineering ; Engineering General
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Maschinenbau
    Notizen: An evaluation of some numerical methods for turbulent reacting flows in furnace-like geometries is carried out. The Reynolds averaged Navier-Stokes equations and the two-equation k-∊ model together with either finite-rate or infinite-rate reaction models are solved numerically. Either single- or multiple-step reactions together with the ‘eddy dissipation concept’ (EDC) are used to model reacting flows with finite reaction rates. The numerical scheme is finite difference based, together with a multi-grid method and a local grid refinement technique. These methods have been used to calculate the combustion of propane in a single- and multiple-burner configurations. In the former case, the sensitivity of the solution to variations in some model parameters (determining the reaction rate) and numerical parameters (mesh spacing) has been studied. It is noted that different dependent variables exhibit different levels of sensitivity to the variation in model parameters. Thus, calibration and validation of models for reacting flows require that one compares the most sensitive variables. For engineering purposes, on the other hand, one may calibrate and validate models with respect to the most relevant variables. Our conclusion is that since sensitivity of the temperature distribution is relatively mild, one can still use EDC-like methods in engineering applications where details of the temperature field are of minor importance.
    Zusätzliches Material: 13 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/fld.1650170304
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  • 15
    Digitale Medien
    Digitale Medien
    Cytochemical evidence of an organized microtubular cytoskeleton in Xenopus laevis oocytes: Involvement in the segregation of mitochondrial populations (1991)
    New York, NY [u.a.] : Wiley-Blackwell
    Molecular Reproduction and Development 30 (1991), S. 353-359 
    Details
    ISSN: 1040-452X
    Schlagwort(e): Immunocytochemistry of microtubules ; Mitochondria ; Dynamic ; Oocytes ; Xenopus ; Life and Medical Sciences ; Cell & Developmental Biology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie
    Notizen: An organized microtubular cytoskeleton was discovered in the cytoplasm of Xenopus laevis oocytes. The microtubules were observed in 10- to 30-m̈m cryostat sections by indirect immunoperoxidase labeling using an antibody to tubulin. A gradual extraction of cells with a nonionic detergent was essential for good penetration of the antibody into the cells. In the cytoplasm of all previtellogenic oocytes, a dense network of criss-crossed long microtubules was associated in a basket-like structure surrounding the mitochondrial mass. At the beginning of vitellogenesis, the network meshes enlarged, while clusters of mitochondria migrated, in close association with microtubule bundles. At the beginning of vitellogenesis, the reorganization of the microtubular network, mostly in the vegetal hemisphere, occurred during the segregation of the mitochondrial populations. Reorganization is characterized by (1) a temporary enlargement of the network and close association of mitochondrial clusters with microtubular bundles, and (2) a progressive organization of a ring-shaped microtubular structure in the crown elaboration area. It is hypothesized that these modifications of the microtubular cytoskeleton contribute to the maintenance of cell shape and the polarized organization of the cell.
    Zusätzliches Material: 8 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/mrd.1080300410
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