Mostrando 68,941 - 68,960 Resultados de 70,132 Para Buscar '"Mathematics"', tiempo de consulta: 0.62s Limitar resultados
  1. 68941
    “…We then used various bioinformatics methods and mathematical models to analyze those data, aiming to investigate the clinical significance of TFRC in LGG and illustrate its association with tumor immunity. …”
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  2. 68942
    “…The aim of this study is to assess intra-regional AP waveform differences, to quantify the contribution of specific ion channels to the APD via drug responses and to generate a population of mathematical models to investigate the mechanisms underlying heterogeneity in rabbit ventricular cells. …”
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  3. 68943
    “…In this study, to address the limitations of conventional methods in establishing accurate mathematical models of dynamic changes in humidity in sheep barns, we propose a method to predict humidity in sheep barns based on a machine learning model combining a light gradient boosting machine with gray wolf optimization and support-vector regression (LightGBM–CGWO–SVR). …”
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  4. 68944
    “…Systems based on artificial intelligence in the field of dental implantology can become one of the methods for forming a second opinion based on mathematical decision making and forecasting. The actual clinical evaluation of a particular case and further treatment are carried out by the dentist, and AI-based systems can become an integral part of additional diagnostics. …”
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  5. 68945
    por Alzainy, Ahmed, Boateng, Joshua
    Publicado 2022
    “…The data obtained from the drug dissolution (release) experiments were fitted to various mathematical equations and showed the highest correlation coefficient with the Higuchi equation, suggesting a drug release based on diffusion from a swollen matrix; this was confirmed by the Korsmeyer–Peppas equation. …”
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  6. 68946
  7. 68947
    “…OBJECTIVE: C2 slope (C2S), a cervical parameter mathematically approximated as T1 slope minus cervical lordosis (T1S–CL), predicts functional improvement in cervical deformity patients. …”
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  8. 68948
    “…The correlation between penetration resistance and penetration depth of a probe in a cultivated soil was studied, and a mathematical model was established. There is a certain similarity between the process of spherical cavity expansion and the process of probe penetration, so we introduced the theory of spherical cavity expansion into the modeling of penetration resistance of the cultivated soil. …”
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  9. 68949
    por Al-Arjan, Wafa Shamsan
    Publicado 2023
    “…The degradation kinetics studies were conducted using mathematical models, such as the pseudo first- and second-order models, by calculating their regression coefficients (R(2)). …”
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  10. 68950
    por Li, Xigui, Wu, Qing, Liu, Yujie
    Publicado 2023
    “…By constructing “PSR-VOR” cultivated land system health evaluation framework under the 5 km grid scale and using GIS spatial analysis and mathematical statistics to comprehensively evaluate the health status of the cultivated land system in the two lake plains from 2000 to 2019. …”
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  11. 68951
    “…Such corrections do not remove any physiological differences in HRV; they simply remove the mathematical bias. HRV parameters were therefore normalized, and their normative limits were developed relative to the mean heart rate. …”
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  12. 68952
    “…We characterized mathematically the X-intercept ([Formula: see text]) which is the number of photoisomerizations that just saturates the rod response. …”
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  13. 68953
    “…To provide robust estimates for the potential public health impact of TCVs that account for structural model differences, we compared four dynamic and one static mathematical model of typhoid transmission and vaccine impact. …”
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  14. 68954
    “…Using a specially developed questionnaire, we collected responses from 40,575 students from grades 7–11 in 17 regions of Russian Federation through an anonymous online survey. Mathematical statistical methods were used for data processing, specifically, the chi-square test in the “Basic statistics-Difference tests” module of the “StatSoft Statistica 7.0” package. …”
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  15. 68955
    “…OBJECTIVE: To establish mathematical models to predict ovarian response at the early phase of COS using Δinhibin B and other biomarkers. …”
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  16. 68956
    “…DESIGN/METHODS: We built a deterministic mathematical model, based on the Ross-MacDonald malaria model, to investigate the net effect of fluralaner treatment on the prevalence of T. cruzi infection in dogs in different epidemiologic scenarios. …”
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  17. 68957
    “…For IR m-b1500 DWI, b50 and b1500 were measured, and e-b2000 and e-b2500 were mathematically extrapolated. Three readers used Likert scales to independently analyze all ultra-high b-values (b1500–b2500) for each DWI with regards to scan preference and image quality. …”
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  18. 68958
    “…When favoring the highest specificity of our mathematical algorithms (0.91), we found a sensitivity of 0.83 and an accuracy of 0.90, maintained when calculation was performed using data from only one central electrode. …”
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  19. 68959
    por Hulla, Georg
    Publicado 2009
    “…In order to adapt the pumping speed and the surface treatments to the desired circulating beam currents, mathematical tools (e.g. VASCO code) exist to calculate pressure profiles in accelerator vacuum systems. …”
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  20. 68960
    por Fernandes Ramos, João Pedro
    Publicado 2012
    “…Diffusion studies of Ar and Ne were also done in CaO through the application of a mathematical model, to the release curves of the respective isotopes at different temperatures, which enables the determination of the respective diffusion coefficients and activation energies.…”
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