Mostrando 69,801 - 69,820 Resultados de 70,132 Para Buscar '"Mathematics"', tiempo de consulta: 0.78s Limitar resultados
  1. 69801
    “…Percolation theory network analysis provides a mathematical alternative to more established heuristic approaches that have been used to optimize network development. …”
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  2. 69802
    “…Background: Although recurrence rates after radiofrequency catheter ablation (RFCA) in patients with atrial fibrillation (AF) remain high, there are a limited number of novel, high-quality mathematical predictive models that can be used to assess early recurrence after RFCA in patients with AF. …”
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  3. 69803
    “…The developed approach is oriented at a mathematical description of evolution of domain composition of proteomes, but a simple reformulation could be applied to models of other evolving networks with preferential attachment.…”
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  4. 69804
  5. 69805
    “…The transient selectivity is probably caused by an earlier and higher uptake of ALA in the neoplastic tissue most likely as a result of increased vascular permeability of tumours as supported by the mathematical model. IMAGES:…”
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  6. 69806
    por Straus, Oliver H., Goldstein, Avram
    Publicado 1943
    “…The zone boundaries are rigorously defined in terms of the specific enzyme concentration, for the mathematical error tolerable with a given experimental accuracy; and approximate boundaries for practical use are proposed. 4. …”
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  7. 69807
    “…For all other cases, the complex mathematical description precludes straightforward interpretations. …”
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  8. 69808
    por Smith, Thomas A
    Publicado 2008
    “…BACKGROUND: Quantifying heterogeneity in malaria transmission is a prerequisite for accurate predictive mathematical models, but the variance in field measurements of exposure overestimates true micro-heterogeneity because it is inflated to an uncertain extent by sampling variation. …”
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  9. 69809
    “…METHODS AND FINDINGS: We developed a mathematical model to predict the potential impact on transmission outcomes of introducing ACT as first-line treatment for uncomplicated malaria in six areas of varying transmission intensity in Tanzania. …”
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  10. 69810
    “…Due to the heterogeneity of the studies, it is impossible to draw general conclusions on the optimal mathematical model and optimal derivatives of SOFA scores. …”
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  11. 69811
    “…BACKGROUND: The effectiveness of single-drug antiviral interventions to reduce morbidity and mortality during the next influenza pandemic will be substantially weakened if transmissible strains emerge which are resistant to the stockpiled antiviral drugs. We developed a mathematical model to test the hypothesis that a small stockpile of a secondary antiviral drug could be used to mitigate the adverse consequences of the emergence of resistant strains. …”
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  12. 69812
    “…Though this region covered a wide range of transmission intensities, data on total infection numbers in Zanzibar combined with mathematical models enabled informed estimation of transmission exposure and imported infection numbers. …”
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  13. 69813
    “…BACKGROUND: Recently, it was realized that the functional connectivity networks estimated from actual brain-imaging technologies (MEG, fMRI and EEG) can be analyzed by means of the graph theory, that is a mathematical representation of a network, which is essentially reduced to nodes and connections between them. …”
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  14. 69814
    “…Results were compared both with the other mathematical models, using Morris Lecar and Izhikevich neurons, and with simulated Local Field Potentials (LFP).…”
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  15. 69815
    “…Finally, we develop a mathematical model to predict the number of annotations (cost) required to achieve balanced training classes. …”
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  16. 69816
    “…Further, with the utilization of a mathematical optimization approach, this study reconciles the distributions of sexual behavioral data over the last decade and infers the heterogeneous distributions of behavioral patterns among Chinese MSM. …”
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  17. 69817
    “…In addition, we propose a mathematical equation that accurately models the collective parasite counting performance. …”
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  18. 69818
  19. 69819
    “…METHODS: We propose a new statistical approach that is based on the state space representation of the vector autoregressive model and estimates gene networks on two different conditions in order to identify changes on regulations between the conditions. In the mathematical model of our approach, hidden binary variables are newly introduced to indicate the presence of regulations on each condition. …”
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  20. 69820
    “…In this review, we discuss the state of knowledge regarding the origin and the physiological implications of nuclear Ca(2+) transients in different cardiac cell types (adult atrial and ventricular myocytes) as well as experimental and mathematical approaches to study Ca(2+) and IP(3) signaling in the cytosol and nucleus. …”
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