Showing 961 - 980 results of 4,871 for search 'background composition methods', query time: 0.18s Refine Results
  1. 961
  2. 962

    Relationship between teachers’ cognitive activation practices, teacher characteristics and student achievement in science subdomains: a study of TIMSS 2019 in Sweden by Zahra Hasani Yourdshahi, Kajsa Yang Hansen, Linda Borger

    Published 2025-06-01
    “…Abstract Background Science skills play a crucial role in fostering economic development and technological innovation, making the enhancement of science education a global priority. …”
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    Article
  3. 963

    Comparison of fracture resistance between immediate and delayed composite restorations with or without fiber after root canal treatment: a field-emission-gun scanning electron micr... by Zeynep Buket Kaynar, Gözde Akbal Dinçer, Nazmiye Donmez

    Published 2025-02-01
    “…Background This study aimed to evaluate the fracture resistance of immediate and delayed restorations after root canal treatment (RCT). …”
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  4. 964
  5. 965
  6. 966

    Comparative Evaluation of Microhardness and Degree of Polymerization of Dual-cure Resin Cement on Luting Composite Resin Endocrowns of 5.5mm and 7.5mm Thicknesses: An in-vitro Stud... by Prakruthi Nallikatte, Shony Mohan, Harsha Karunakaran, Ravichandran Rajagopal, Vivek Nair, Amal Shajahan

    Published 2024-11-01
    “…Background and aim: The aim of this in vitro study was to assess and compare the microhardness and degree of polymerization of dual-cure resin cement used for luting composite resin Endocrowns using the Vickers microhardness test and Fourier Transform Infrared (FTIR) spectroscopy.Material and methods: The study comprises two test groups and one control group. …”
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  7. 967

    Associations of dietary inflammatory index and composite dietary antioxidant index with erectile dysfunction and the mediating role of metabolic dysregulation: a cross-sectional an... by Lang Wang, Lang Wang, Can Wei, Can Wei, Junfeng Jing, Dawei Ni, Mingmin Shao, Jingxiong Chen, Wei Wu, Yanbin Zhang, Yanbin Zhang

    Published 2025-06-01
    “…We aimed to reveal the relationship between the DII, composite dietary antioxidant index (CDAI), and ED, as well as the mediating role of MS, TyG index, MAP, UA, and TC on this relationship.MethodsThis study included 1,488 participants from the NHANES surveys conducted between 2001 and 2004. …”
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  8. 968

    Comparative effects of time-restricted feeding versus normal diet on physical performance and body composition in healthy adults with regular exercise habits: a systematic review a... by Ke-wen Wan, Zi-han Dai, Robin Sze-tak Ho, Huang Wendy Yajun, Stephen Heung-Sang Wong

    Published 2024-08-01
    “…This systematic review and meta-analysis aimed to compare the effects of TRF versus normal diet (ND) on physical performance and body composition in healthy adults with regular exercise habits.Methods MEDLINE, PubMed, Embase, SPORTDiscus, Web of Science, CINAHL and the Cochrane Central Register of Controlled Trials (CENTRAL) electronic databases were searched for relevant records. …”
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  9. 969

    Harnessing unsupervised machine learning with [18F]FDG PET/CT to develop a composite model for predicting overall survival in cervical cancer patients undergoing concurrent chemora... by Jinyu Shi, Lian Wang, Min Zhou, Shushan Ge, Shushan Ge, Bin Zhang, Jiangqin Han, Jihui Li, Shengming Deng, Shengming Deng

    Published 2025-05-01
    “…Background and purpose:This study sought to develop an advanced composite model to enhance the prognostic accuracy for cervical cancer patients undergoing concurrent chemoradiotherapy (CCRT). …”
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    Article
  10. 970

    Quantitative analysis of targeted lipidomics in the hippocampus of APP/PS1 mice employing the UHPLC-MS/MS method by Shiyu Xiao, Xuemeng Wei, Bing Han, Xiaoqian Shi, Congzhen Wei, Rumeng Liang, Jingna Sun, Zheng Zhang, Zhengang Han, Li Shen

    Published 2025-07-01
    “…BackgroundAlzheimer’s disease (AD) is marked by the pathological features of amyloid-β plaque accumulation, as well as intracellular neurofibrillary tangles formation in the patients’ brain. …”
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    Article
  11. 971

    Relaxation mechanisms in low-stress polymer networks with alternative chemistriesWhy Is This Important? by Steven H. Lewis, BS, MS, Ana Paula P. Fugolin, DDS, MS, PhD, Anissa Bartolome, BS, Carmem S. Pfeifer, DDS, PhD

    Published 2024-01-01
    “…Background: Low-stress resin-based composites (RBCs) are available to the clinician, some using stress relaxation mechanisms on the basis of network reconfiguration, modulated photopolymerization, or chain transfer reactions. …”
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  12. 972

    Impact of concurrent aerobic and resistance training on body composition, lipid metabolism and physical function in patients with type 2 diabetes and overweight/obesity: a systemat... by Sameer Badri AL-Mhanna, Abdullah F. Alghannam, Nouf H. Alkhamees, Bodor Bin Sheeha, Norsuhana Omar, Hani Albalawi, Mehmet Gülü, Umut Canli, Hafeez Abiola Afolabi, Bishir Daku Abubakar, Georgian Badicu, Rozaziana Ahmad, Gerasimos V. Grivas, Alexios Batrakoulis

    Published 2025-06-01
    “…Background The potential advantages of concurrent aerobic and resistance training (CART) for enhancing cardiometabolic health-related outcomes appear to surpass the outcomes of engaging in aerobic or resistance training alone. …”
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  13. 973

    Introducing the UK Crop Microbiome Cryobank data resource, AgMicrobiomeBase, with case studies and methods on metabarcoding analyses by Payton To Yau, Rodrigo G. Taketani, J. Miguel Bonnin, Helen Stewart, Catriona M.A. Thompson, Ian M. Clark, Tim H. Mauchline, Jacob G. Malone, Matthew J. Ryan, Susan Jones, Nicola Holden

    Published 2025-08-01
    “…Abstract Background Here, we describe AgMicrobiomeBase as an output of the UK Crop Microbiome Cryobank (UKCMCB) project, including details of the underlying meta-barcode sequence-based methods and three microbiome analysis case studies. …”
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  14. 974
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    Racial-ethnic composition of U.S. school districts, wildfire smoke PM2.5 levels, and reduced in-person learning among schoolchildren and adolescents during the COVID-19 pandemic by Daniel Kim

    Published 2025-05-01
    “…Background: In 2023, the U.S. Biden administration called for an “all-hands-on-deck” response to address chronic absenteeism and disrupted learning among primary and secondary school students due to school closures and remote learning during the pandemic. …”
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  16. 976
  17. 977

    Optimization Method and Stability Test to Determinate Luteolin, Quercetin, Apigenin, and Sinensetin Levels in Herbal Medicines Using TLC-Densitometry by Muhammad Hidayatullah, Mochammad Yuwono, Riesta Primaharinastiti

    Published 2022-12-01
    “…Objective: The present work aimed to develop optimal conditions for analyzing luteolin, quercetin, apigenin, and sinensetin. Methods: Determination of optimal conditions for analysis is carried out by determining the composition of the mobile phase, chamber saturation time, and analysis wavelength. …”
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  18. 978

    External validation of the relative fat mass (RFM) index in adults from north-west Mexico using different reference methods. by Alan E Guzmán-León, Ana G Velarde, Milca Vidal-Salas, Lucía G Urquijo-Ruiz, Luz A Caraveo-Gutiérrez, Mauro E Valencia

    Published 2019-01-01
    “…<h4>Background</h4>Analysis of body composition is becoming increasingly important for the assessment, understanding and monitoring of multiple health issues. …”
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  19. 979
  20. 980

    24-month randomized controlled clinical trial assessment of surface texture, color stability, and marginal discoloration of sonic activated bulk-fill resin composite according to U... by Ashraf Aref, Safaa Abd-Elhakim, Mona Riad

    Published 2025-07-01
    “…Abstract Background To assess the surface texture, color stability, and marginal discoloration of sonic-activated bulk-fill resin composite (BFRC) in comparison to non-sonic-activated BFRC, over 24 months, by two different evaluation criteria. …”
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