Mostrando 68,881 - 68,900 Resultados de 70,132 Para Buscar '"Mathematics"', tiempo de consulta: 0.55s Limitar resultados
  1. 68881
    “…In this study, eleven mathematical models were used to estimate the drying coefficients following non-linear regression method, in hot-air oven and naturally-ventilated solar-venturi drying to find the best fit of the moisture ration models. …”
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  2. 68882
    “…We used16S rRNA sequencing technology and a mathematical model to find differences in gut microbiota composition and assembly processes. …”
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  3. 68883
    “…Furthermore, the release kinetics were evaluated by fitting the dissolution profiles into different mathematical models. Both IR and CR tablets were best fitted by the Makoid–Banakar model which assumes release by summation of different mechanisms. …”
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  4. 68884
    “…The WW data were mapped to sub-regional data of the CIS and fitted using mathematical modelling. First, a phenomenological model was developed to model how infected individuals shed SARS-CoV-2 into WW and how the markers may degrade in time and compare this to the data. …”
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  5. 68885
    “…We assessed total IgG, IgG subclass and IgM levels to up to 52 P. vivax proteins every 2–4 weeks using a multiplexed Luminex® assay and identified protein-specific variation in antibody longevity. Mathematical modelling was used to generate the estimated half-life of antibodies, long-, and short-lived antibody-secreting cells. …”
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  6. 68886
    “…The experimental approach was to (1) measure the abundance and rate of PtdIns(4,5)P(2) synthesis and precursors using specific biosensors, (2) measure the levels of PtdIns(4,5)P(2) and its precursors using mass spectrometry, and (3) use a mathematical model to compare the metabolism of PtdIns(4,5)P(2) in cell types with different proportions of phosphoinositides. …”
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  7. 68887
    “…METHODS: We quantified the impact of local vaccine coverage and recent levels of incidence on the dynamics of measles in each French department between 2009 and 2018, using mathematical models based on the “Endemic-Epidemic” regression framework. …”
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  8. 68888
    “…The soft robotic fish is approximated as a 3-link representation and mathematically modeled from its geometric and dynamic perspectives to constitute the combined system dynamics of the SCP actuators and hydrodynamics of the fish, thus realizing two-dimensional fish-swimming motion. …”
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  9. 68889
    “…Threshold peak temperatures ([Formula: see text]) and threshold critical temperatures are mathematically determined without thermal profiles when appropriate [Formula: see text] and [Formula: see text] values are established. …”
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  10. 68890
  11. 68891
    “…BACKGROUND: The COVID-19 pandemic has led to a high interest in mathematical models describing and predicting the diverse aspects and implications of the virus outbreak. …”
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  12. 68892
    “…We performed memantine therapy and proved mathematical and computer modeling of neurodegenerative disease in this study. (2) Methods: a computer simulation environment of the N-methyl-D-aspartate receptor incorporating biological mechanisms of channel activation by high extracellular glutamic acid concentration. …”
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  13. 68893
    “…A digital twin of the experimental system and process was developed by building and numerically solving a 3D transient mathematical model, taking into account electromagnetic field distribution in air and samples and heat transfer in the food samples. …”
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  14. 68894
    “…Therefore, this review aims to summarize and compare computational definitions and findings of dynamic belief updating without perceptual ambiguity in (sub)clinical psychosis across these different mathematical approaches. There was strong heterogeneity in tasks and samples. …”
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  15. 68895
    “…In the first part, the theoretical basis has been derived which provides a mathematical relationship between the six lattice parameters of the three-dimensional case and the three parameters obtained for the two-dimensional surface unit cell, together with their orientation to the single-crystalline substrate. …”
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  16. 68896
  17. 68897
    “…One key element is the exposure-response relationship described e.g. by a mathematical function. Combining estimates to arrive at coherent functions is challenging due to the large variability in risk exposure definitions and data quality. …”
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  18. 68898
    “…Data analysis included mathematical tools of Kruskal–Wallis and U Mann–Whitney tests for multiple comparisons in scarcely observed samples (p = 0.05). …”
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  19. 68899
    “…Materials and Methods: An acetabular cup was implanted into a radio-opaque pelvis model in nine positions sequentially, and the inclination and anteversion angles were collected in each position using two methods: (1) a coordinate measurement machine (CMM) was used to establish a digitalized anatomical coordinate frame based on pelvic landmarks of the cadaveric specimen, and the 3D position of the cup was then expressed with respect to the anatomical planes; (2) AP radiographic images were collected, and a mathematical formula was utilized to calculate the 3D inclination and anteversion based on the 2D images. …”
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  20. 68900
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