Showing 1,541 - 1,560 results of 6,053 for search 'model composition (method OR methods)', query time: 0.25s Refine Results
  1. 1541
  2. 1542

    Movement behaviors and cardiorespiratory fitness – a cross-sectional compositional data analysis among German adults by Alexander Roosz, Martin Bahls, Sabina Ulbricht, Antje Ullrich, Anne Obst, Beate Stubbe, Ralf Ewert, Sabine Kaczmarek, Till Ittermann, Marcus Dörr, Lisa Voigt

    Published 2025-03-01
    “…Linear regression models applying compositional data analysis were used to examine associations of proportions of movement behaviors (exposure) with parameters derived during cardiopulmonary exercise testing (outcome) normalized for body weight and stratified by sex. …”
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  3. 1543

    STRUCTURAL DESIGN AND MOTION SIMULATION RESEARCH ON A NEW TYPE COMPOSITE ROTARY PERCUSSION DRILLING TOOL by ZHANG HaiPing, LIU XiaoDan, WANG JiaChang, SUN MingGuang

    Published 2017-01-01
    “…A new kind of high rock breaking efficiency method was provided by combining the high speed rotation of positive displacement motor( PMD) with the high-frequency impact of impactor. …”
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  4. 1544

    Revisiting the Relationship Between Rocky Exoplanet and Stellar Compositions: Reduced Evidence for a Super-Mercury Population by Casey L. Brinkman, Alex S. Polanski, Daniel Huber, Lauren M. Weiss, Diana Valencia, Mykhaylo Plotnykov

    Published 2024-01-01
    “…Overall, we conclude that current uncertainties in observational data and differences in modeling methods prevent definitive conclusions about the relationship between planet and host-star chemical compositions.…”
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  5. 1545

    Dietary compositions and their seasonal shifts in Japanese resident birds, estimated from the analysis of volunteer monitoring data. by Tetsuro Yoshikawa, Yutaka Osada

    Published 2015-01-01
    “…Various methods have been used to estimate the dietary compositions of birds, which have their own advantages and disadvantages. …”
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  6. 1546

    The Critical Role of Body Composition Assessment in Advancing Research and Clinical Health Risk Assessment across the Lifespan by Jonathan P. Bennett, Soo Lim

    Published 2025-04-01
    “…Future efforts should focus on refining these tools, expanding their accessibility, and developing comprehensive risk models that incorporate body composition alongside behavioral, environmental, and genetic factors to improve disease prediction and prevention strategies.…”
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  7. 1547

    Investigating design parameter effects on the curvature of composite soft actuators by automated numerical simulation with Python integration by Trinh Xuan Hiep, Van Binh Phung

    Published 2025-01-01
    “… In the realm of soft robotics, investigating the effect of design parameters on the deformation of complex structures like soft composite actuators is a challenging task. Existing mathematical models often rely on limiting assumptions, while traditional simulation approaches demand substantial computational time and resources, hindering concurrent investigations of multiple design parameters. …”
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  8. 1548
  9. 1549

    Large-Scale Atomistic Simulation of Sintering Process and Mechanical Properties of Al Matrix Composite with Different Reinforcements by Yongchao Zhu, Can Sui, Na Li, Lijuan Sun, Songtao Li

    Published 2024-11-01
    “…Through molecular dynamics methods, composite models built with a large scale were employed to investigate the effects of different reinforcements, which were different from those used in most of the similar studies, where only a graphene nanosheet (GNS) or a rigid spherical particle was embedded in a metal matrix. …”
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  10. 1550

    Thermal Characteristics and Kinetics of the Thermal Degradation of Sugar Beet Waste Leaves and Pulp in Relation to Chemical Composition by Sanja Ostojić, Darko Micić, Josipa Dukić, Iva Sabljak, Ayça Akyüz, Seda Ersus, Anet Režek Jambrak

    Published 2025-01-01
    “…The kinetic parameters of the degradation, obtained by Ortega and Friedman non-isothermal isoconversional methods did not significantly differ between models: Ea-activation energy at a conversion degree 0.1–0.9 ranged 50–200 kJ/mol; lnA- the natural logarithm of the pre-exponential factor 8–48; kp<sub>1</sub>-thermal degradation rate constant at a conversion extent of 0.5 ranged of 0.19–2.55 min<sup>−1</sup>. …”
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  11. 1551

    The Influence of Physical Activity on Inflammatory Markers, Intestinal Microbiota Composition and Disease Activity in Inflammatory Bowel Disease by Paulina Jakubczyk, Piotr Widera, Justyna Helis, Maciej Michalik, Aleksandra Buczek, Hubert Bigajski, Aleksandra Banaś, Olga Bilczewska, Wiktoria Janik, Marta Handschuh

    Published 2025-01-01
    “…Materials and Methods A literature review synthesized peer-reviewed studies from 2010-2024 using PubMed, Scopus, and Embase databases, examining physical activity effects on inflammatory markers, gut microbiota, and clinical outcomes in IBD patients. …”
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  12. 1552
  13. 1553

    “Goldilocks day”: identifying the optimal awake movement behaviour composition for predicted cardiometabolic health outcomes in youth by Joey Murphy, Charlotte Lund Rasmussen, Javier Brazo-Sayavera, Ademola Victor Damilola, Nastja Podrekar Loredan, Aoko Oluwayomi, Luís Bettencourt Sardinha, Niels Wedderkopp, Elaine Murtagh

    Published 2025-12-01
    “…Background Most research focuses on the relationship of individual movement behaviours, neglecting how different compositions throughout the day associate with cardiometabolic health outcomes.Aim The aim of this study was to explore the optimal awake movement behaviour composition associated with predicted cardiometabolic health outcomes in youth.Subjects and methods The study included participants (N = 1,310 participants; 11.1 ± 2.5 [range = 7.98–17.1 years]; 55.9% female; 100% European) from the International Children’s Accelerometry Database. …”
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  14. 1554

    FDM - 3D printing of thermoplastic composites with high energetic solids content designed for gun propellants by Marin Alexandru, Ovidiu George Iorga, Gabriela Toader, Cristiana Epure, Mihail Munteanu, Adrian Nicolae Rotariu, Marius Marmureanu, Gabriel Flavius Noja, Aurel Diacon, Tudor Viorel Tiganescu, Florin Marian Dirloman

    Published 2025-07-01
    “…The thermoplastic composites developed in this study are characterized by a notably high energetic solids content, comprising 70% hexogen (RDX) and 10% nitrocellulose (NC), which surpasses the conventional limit of 60% energetic solids typically achieved in stereolithography and light-curing 3D printing methods. …”
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  15. 1555

    Composition and toxicity of total water-soluble flavonoids from Lithocarpus litseifolius (Hance) Chun (sweet tea) by Junfei Xu, Yingqi Zhao, Jing Wen, Ye Lin, Yangtao Li, Yijun He, Xianjin Wu, Juzuo Zhang

    Published 2024-12-01
    “…In this study, total water-soluble flavonoids were extracted from sweet tea using optimised methods based on RSM. Its composition and toxicity were investigated by LC–MS and mouse models in vivo. …”
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  16. 1556

    Development of the composition and technology of a combined gel for the treatment of osteoarthritis with a pharmacological rationale for the content of components by U. V. Nogaeva, Ju. M. Kotsur, E. V. Flisyuk, D. Yu. Ivkin, E. D. Semivelichenko, I. A. Titovich, I. A. Narkevich, V. G. Antonov

    Published 2021-12-01
    “…Pharmaceutical development of the composition and technology of a gel based on meloxicam, a purine derivative and an immunomodulating component for the treatment of OA with pharmacological substantiation of the content of active substances.Materials and methods. …”
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  17. 1557

    Peak Oxygen Consumption Scaled to Body Composition Is Associated With Mortality and Morbidity in People With a Fontan Circulation by Curtis A. Wadey, Alan R. Barker, A. Graham Stuart, Dan‐Mihai Dorobantu, Guido E. Pieles, Derek L. Tran, Karina Laohachai, Julian Ayer, Rob G. Weintraub, Rachael Cordina, Craig A. Williams

    Published 2024-12-01
    “…Cox proportional hazard regressions models assessed the association (hazard ratio [HR]) between different expressions of peak V̇$$ \dot{\mathrm{V}} $$O2 with a composite outcome of Fontan failure (FF). …”
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  18. 1558

    Gut microbiome composition changes in obstructive sleep apnoea syndrome also in relation to excessive daytime sleepiness by Mariana Fernandes, Orazio Palmieri, Stefano Castellana, Matteo Spanetta, Tiziana Latiano, Clementina Lupo, Claudia De Masi, Christian Cardile, Carmen Calvello, Francesca Izzi, Fabio Placidi, Tommaso Mazza, Nicola Biagio Mercuri, Anna Latiano, Claudio Liguori

    Published 2025-03-01
    “…Alteration in gut microbiome was documented in OSAS animal models and in paediatric patients. This study analysed gut microbiome composition in adult patients with OSAS compared to healthy controls. …”
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  19. 1559

    Shaking Table Test of Composite Seismic Isolation System with Linear Guides and Constant Springs for the Cultural Collection by LIU Shuang, JI Jinbao, WANG Shiyu, ZHANG Weiqi

    Published 2025-07-01
    “…This device, intended for the seismic isolation of artifacts in museum display cases, aims to mitigate potential earthquake-induced damage to artifacts.MethodsFirstly, two models of museum display cabinets and cultural relics, both at the same scale, were created based on those of a specific museum. …”
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  20. 1560

    Modeling Financial Time Series Based on a Market Microstructure Model with Leverage Effect by Yanhui Xi, Hui Peng, Yemei Qin

    Published 2016-01-01
    “…Simulated data and daily stock market indices (Shanghai composite index, Shenzhen component index, and Standard and Poor’s 500 Composite index) via Bayesian Markov Chain Monte Carlo (MCMC) method are used to estimate the leverage market microstructure model. …”
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