Showing 1,161 - 1,180 results of 1,556 for search 'variables model composition', query time: 0.15s Refine Results
  1. 1161

    The Impact of Institutional Quality on Environmental Quality: A Time-Series Analysis of Bangladesh (1996-2015) by Mohammad Mokammel Karim Toufique

    Published 2025-06-01
    “…The ARDL bounds test results confirm the existence of a long-run relationship among the variables in both models. Policymakers need to concentrate on improving institutions to improve environmental quality. …”
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  2. 1162
  3. 1163

    Multiresponse Optimization of Mechanical Behaviour of Calotropis gigantea/Nano-Silicon-Based Hybrid Nanocomposites under Cryogenic Environment by Muruganantham Ponnusamy, L. Natrayan, Pravin P. Patil, G. Velmurugan, Subash Thanappan

    Published 2022-01-01
    “…To prevent hydrophilic nature, the fibres were pretreated for four hours with a 5% alkaline solution. Deterioration models were created to analyze the material characteristics, and the optimal progression variables were determined. …”
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  4. 1164

    Evaluation of Evaporative Degradation of Arc Torch Cathodes in Hydrocarbon-Containing Plasmas for Spraying, Thermal Protection Testing and Related Technologies by A. V. Gorbunov, V. A. Gorbunova, O. G. Devoino, G. Petraconi Filho, A. A. Halinouski

    Published 2022-06-01
    “…For this procedure, as the first stage, thermodynamic methods can be used to simulate the composition and properties of reactive C–H–O–N–Ar–Me-systems with variable set of such input parameters as the ratio of components of plasma-forming mixture, its pressure and temperature. …”
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  5. 1165

    Farm factors associated with increased free fatty acids in bulk tank milk by Hannah M. Woodhouse, Stephen J. LeBlanc, Trevor J. DeVries, Karen J. Hand, David F. Kelton

    Published 2025-02-01
    “…The absence of pre-cooling was also associated with higher FFA levels (β = 0.16, 95% CI: 0.02, 0.3). The final model adjusted R2 of 29% indicates that more factors associated with bulk tank milk FFA still need to be identified, which may include seasonal, milk composition, and individual cow factors.…”
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  6. 1166

    Microbiota and Long-Term Prognosis in Liver Cirrhosis by E. G. Malaeva, I. O. Stoma

    Published 2024-06-01
    “…The analysis of the difference in the proportional composition of the microbiome between the groups was carried out using polynomial Dirichlet modeling (Likelihood-Ratio-Test Statistics: Several Sample Dirichlet-Multinomial Test Comparison), the Mann-Whitney test with preliminary data transformation by CLR transformation (Centered log ratio transform), differential analysis of gene expression based on negative binomial distribution (DESeq2). …”
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  7. 1167

    Integrating GIS and remote sensing for soil attributes mapping in degraded pastures of the Brazilian Cerrado by Rômullo Oliveira Louzada, Ivan Bergier, Édson Luis Bolfe, Jayme Garcia Arnal Barbedo

    Published 2025-06-01
    “…., Ca, Mg, K, Fe, Mn). Composite samples from management zones, were matched with 128 orbital variables from Sentinel-1, Sentinel-2 (2023), and ALOS-PALSAR-1. …”
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  8. 1168

    A Review on Biomechanics of Anterior Cruciate Ligament and Materials for Reconstruction by M. Marieswaran, Ishita Jain, Bhavuk Garg, Vijay Sharma, Dinesh Kalyanasundaram

    Published 2018-01-01
    “…The key conclusions of this review are as follows: (a) the highest shear forces on the anterior cruciate ligament occur during hyperextension/low flexion angles of the knee joint; (b) the characterization of the anterior cruciate ligament at variable strain rates is critical to model a viscoelastic behavior; however, studies on human anterior cruciate ligament on variable strain rates are yet to be reported; (c) a significant disparity on maximum stress/strain pattern of the anterior cruciate ligament was observed in the earlier works; (d) nearly all synthetic grafts have been recalled from the market; and (e) bridge-enhanced repair developed by Murray is a promising technique for anterior cruciate ligament reconstruction, currently in clinical trials. …”
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  9. 1169

    The causal effect of gut microbiome on pulmonary artery hypertension based on a two-sample Mendelian randomization study by Detian Jiang, Yuxin Chang, Xiaowen Zhen, Xin Zhao

    Published 2025-07-01
    “…Various MR methods were employed, including inverse variance weighted, MR-Egger, weighted median, weighted model, and simple mode, and instrumental variable heterogeneity was assessed using Cochran’s Q statistics. …”
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  10. 1170

    Ecological drivers of malaria vector habitat and transmission over 1 year of long-lasting insecticidal net intervention in Côte d’Ivoire by Benoit Talbot, Ludovic P. Ahoua Alou, Alphonsine A. Koffi, Colette Sih, Edouard Dangbenon, Marius G. Zoh, Soromane Camara, Serge B. Assi, Raphael N’Guessan, Louisa A. Messenger, Natacha Protopopoff, Jackie Cook, Manisha A. Kulkarni

    Published 2025-08-01
    “…In this study, we aimed to test the effect of different LLIN products and other environmental factors on the ecological niche of three mosquito vector species using state-of-the-art ecological niche modelling approaches. Methods This study used data from a cluster randomized control trial that took place in Tiébissou, in Central Côte d’Ivoire. …”
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  11. 1171

    The effects of perfluoroalkyl substance pollution on microbial community and key metabolic pathways in the Pearl River Estuary by Wei Lin, Junlin Zhao, Xingqi Wu, Jiakun Jiang, Chunyang Zhou, Jiating Zheng, Cheng Zhang, Ying Guo, Li Wang, How Yong Ng, Song Li, Shengrui Wang

    Published 2025-06-01
    “…Our findings demonstrate that the total PFAS concentrations ranged from 52–127 ng L−1 in water, and 2–70 μg kg−1 dry weight in sediment, with notably distinct compositions across habitats. Aquatic microbial communities exhibited higher sensitivity to environmental variables, including PFAS concentrations, attributed to increased stochasticity and reduced spatial turnover. …”
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  12. 1172

    Safety net or social barrier? Social networks and barriers to monitoring type 2 diabetes management among Black/African American men by Tyler Prochnow, Megan S. Patterson, Jeong-Hui Park, Ledric D. Sherman, Matthew Lee Smith

    Published 2025-08-01
    “…Multiple linear regression analyses examined associations between network characteristics (interactions, social norms, composition, support, and structure) and barriers while controlling for demographic variables. …”
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  13. 1173

    Abdominal and hip fat percentages are associated with fragility fractures: evidence from a large cross-sectional study by Hamzah Amin, Muhammed Aqib Khan, Marwan Bukhari

    Published 2025-07-01
    “…Multivariable logistic regression models were fit with the dependant variable being hip or any fragility fracture and the independent variable being the binary regional body composition groups. …”
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  14. 1174

    Taxed and untaxed beverage intake by South African young adults after a national sugar-sweetened beverage tax: A before-and-after study. by Michael Essman, Lindsey Smith Taillie, Tamryn Frank, Shu Wen Ng, Barry M Popkin, Elizabeth C Swart

    Published 2021-05-01
    “…We estimated beverage intake using a 2-part model that takes into consideration the biases in using ordinary least squares or other continuous variable approaches with many individuals with zero intake. …”
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  15. 1175

    Multi-Objective Optimization of Gas Storage Compressor Units Based on NSGA-II by Lianbin Zhao, Lilin Fan, Jun Lu, Mingmin He, Su Qian, Qingsong Wei, Guijiu Wang, Haoze Bai, Hu Zhou, Yongshuai Liu, Cheng Chang

    Published 2025-06-01
    “…The influence of key factors, including inlet and outlet pressures, temperatures, and natural gas composition, on compressor performance is analyzed using the control variable method. …”
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  16. 1176

    Soluble ST2 does not change cardiovascular risk prediction compared to cardiac troponin T in kidney transplant candidates. by Mira T Keddis, Ziad El-Zoghby, Bruce Kaplan, Jeffrey W Meeusen, Leslie J Donato, Fernando G Cosio, D Eric Steidley

    Published 2017-01-01
    “…During 28 months (IQR 25.3-30), 7.5% died, 13.0% developed CVE and 19.0% developed the composite outcome. Elevated sST2 was associated with the composite outcome (hazard ratio = 1.76, CI 1.06-2.73, p = 0.029) on univariate analysis but not after adjusting for age, diabetes and cTnT (p = 0.068). sST2 did not change the risk prediction model for composite outcome after including age, diabetes, prior history of CVE and elevated cTnT.…”
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  17. 1177

    Multi-Objective Optimization Design of Dual-Spindle Component Based on Coupled Thermal–Mechanical–Vibration Collaborative Analysis by Xiaoliang Lin, Yiming Xie, Xiaolei Deng, Jing Tian, Yue Han, Peng Wang

    Published 2024-12-01
    “…The dual-spindle component of a CNC machine tool is taken as the parameterized model. According to the theories of thermal characteristics, statics, and dynamics, the solution of thermal-mechanical coupling deformation and the solution of vibration characteristics under prestress are repeatedly conducted, that are working collaboratively with each process of parameters sensitivity computing, selection of design variables, central composite design, and multi-objective joint optimization. …”
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  18. 1178

    Multi-objective optimization of laser spot welding parameters for enhancing mechanical properties of hard disk components using response surface methodology by K. Chimklin, S. Phuangkaew, J. Deeying

    Published 2025-03-01
    “…The parameters considered include outer diameter (OD), inner diameter (ID), penetration, and tip height. Through a central composite design matrix experiment and quadratic modeling, empirical mathematical models were established to predict the response variables. …”
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  19. 1179

    A nomogram to predict sarcopenia in middle-aged and older women: a nationally representative survey in China by Jiayi Yang, Zihao Chen, Xinxin Dai, Liyao Jiang, Liyan Dai, Yu Zhao

    Published 2025-02-01
    “…In addition, this study integrated these sarcopenia-related variables into a comprehensive index, and ROC analysis results showed that the AUC of the composite index was 0.738.ConclusionsThis study found that sarcopenia in Chinese women may be closely related to age, waist, education, marriage, area, stroke, physical pain, depression, and region. …”
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