Showing 4,921 - 4,940 results of 6,053 for search 'model composition (method OR methods)', query time: 0.29s Refine Results
  1. 4921

    Trends and Determinants of Underweight among Children under Five Years in Ethiopia: Further Analysis with Ethiopian Demographic and Health Survey 2005–2016—Multivariate Decompositi... by Tilahun Yemanu Birhan, Dessie Abebaw Angaw

    Published 2022-01-01
    “…This study aimed to analyze the trends and predictors of change in underweight among children under five years in Ethiopia. Method. The data for this study were accessed from three Ethiopian Demographic and Health Survey data sets 2005, 2011, and 2016. …”
    Get full text
    Article
  2. 4922

    INVESTIGATING AND IDENTIFYING THE MOST IMPORTANT FACTORS AFFECTING THE QUALITY OF TEACHING AND LEARNING OF STUDENTS OF THE RAILWAY ENGINEERING FACULTY by Seyed Ali Mosayebi, Mahmoud Khani Alamoti, Ali Samarghandi, Zeinab Hojati

    Published 2025-07-01
    “…The statistical population was the students studying in the railway faculty of the Iran University of Science and Technology, and finally 132 of them were examined as the sample size obtained from the simple random sampling method. The content validity of the questionnaire was done by a number of professors and experts in this field. …”
    Get full text
    Article
  3. 4923

    Development Research on Integrating CNC Machine Tool with Plasma for Online Surface Heat Treatment by Shao-Hsien Chen, Bo-Ting Wang

    Published 2021-01-01
    “…In the screening experiment, the interaction of factors was discussed using a full factorial experiment. The Central Composite Design was combined with the Lack-of-Fit test for the optimization experiment, and the R2 coefficient was used to determine whether the regression model is appropriate. …”
    Get full text
    Article
  4. 4924

    Precast-Monolithic Reinforced Concrete Large-Span Shells of Unique Buildings from Enlarged Elements by N. S. Razzakov

    Published 2024-02-01
    “…The studies were carried out on full-scale composite shells 48x48 m and diameter 96m, its enlarged elements 3x18m and 3x24m as well as on the shell model on a scale of 1:10 and 1: 4. …”
    Get full text
    Article
  5. 4925

    SLIT3-mediated intratumoral crosstalk induces neuroblastoma differentiation via a spontaneous regression-like program by Meiling Liu, Dekang Lv, Wenjing Yan, Yi Wu, Shulan Wang, Luoxuan Wang, Jie Lei, Deshun Zeng, Zifeng Wang, Fang Liu, Bing Deng, Quentin Liu, Bin He, Min Yan

    Published 2025-05-01
    “…Methods Single-nucleus transcriptomics (snRNA-seq) data of neuroblastoma samples were obtained from the Synapse repository to investigate the composition of heterogeneous tumor cell clusters. …”
    Get full text
    Article
  6. 4926

    Effects of different types of organic fertilizers on soil, growth and fruiting characteristics, and nut quality in walnut orchards by XU Yongjie, JIANG Dezhi, LI Li, WANG Ruiwen, WANG Daiquan, WANG Xiaofei, WANG Qizhu

    Published 2025-01-01
    “…[Objective] The study aimed to explore the effects of different organic fertilizers on the physical and chemical properties of the soil, tree growth, fruiting characteristics, and nut quality in a walnut orchard. [Methods] A randomized block experimental design with a single factor was used to study 13-year-old Chulinbaokui walnut forests. …”
    Get full text
    Article
  7. 4927
  8. 4928

    Integration of artificial intelligence and advanced optimization techniques for continuous gas lift under restricted gas supply: A case study by Leila Zeinolabedini, Forough Ameli, Abdolhossein Hemmati-Sarapardeh

    Published 2025-03-01
    “…To this end, 154 data points constructed by a central composite design (CCD) experiment were utilized to develop neural network models. …”
    Get full text
    Article
  9. 4929

    Pechini derived multifunctional MgO based chromate nanocomposites for superior brilliant green dye adsorption by Maram T. Basha, Mortaga M. Abou-Krisha, Fawaz A. Saad, Reem K. Shah, Ehab A. Abdelrahman

    Published 2025-08-01
    “…In this study, two novel multifunctional nanocomposites, MgO/CaCrO4/CaCO3/CaO/C (MC600) and MgO/Ca5(CrO4)3O0.5/C (MC800), were successfully fabricated using a tailored Pechini sol–gel method. This work introduces a temperature-controlled phase-engineering approach that induces distinct structural evolution, from multiphase composites at 600 °C to highly crystalline, thermodynamically stable phases at 800 °C. …”
    Get full text
    Article
  10. 4930

    Exploring the capabilities of hyperspectral remote sensing for soil texture evaluation by Mohammad Hosseinpour-Zarnaq, Mahmoud Omid, Fereydoon Sarmadian, Hassan Ghasemi-Mobtaker, Reza Alimardani, Pouya Bohlol

    Published 2025-12-01
    “…Additionally, we compared the performance of random forest (RF) algorithms with partial least squares regression (PLSR), multiple linear regression (MLR), support vector machine regression (SVR), decision trees (DTs), and multilayer perceptron (MLP) neural networks, addressing the effects of feature selection and irregular soil data on the modeling procedure. Our results revealed that an accurate method for predicting and mapping sand, clay, and silt content involved a combination of t + g + v + c + s covariates offered by the SCORPAN model and the RF model, achieving an R2 of 0.54, 0.25, and 0.33 for predictions of sand, clay, and silt, respectively. …”
    Get full text
    Article
  11. 4931

    Facile synthesis and decomposition kinetics of novel green energetic molecular perovskite based on nitrate group DAN-4 as an alternative for ammonium nitrate oxidizer by M. Yehia, Shukri Ismael, Ibrahim Naeem, Ana Sousa-Castillo, Margarita Vázquez-González, Miguel A. Correa-Duarte, Sherif Elbasuney

    Published 2025-05-01
    “…Decomposition kinetics was investigated via isoconversional (model free) and model fitting. Kissinger, Kissinger–Akahira–Sunose (KAS), integral isoconversional method of Flynn–Wall–Ozawa (FWO). …”
    Get full text
    Article
  12. 4932

    Prognostic significance of serum galectin-3 in predicting cardiovascular outcomes after percutaneous coronary intervention with drug-eluting stents by Yeon-Jik Choi, Suk Min Seo

    Published 2025-07-01
    “…The aim of this study was to examine the prognostic value of the galectin-3 level in patients with CAD who underwent PCI with DES.MethodsA total of 939 patients undergoing successful PCI with DES were consecutively enrolled between January 2007 and December 2009. …”
    Get full text
    Article
  13. 4933

    Is the flipped classroom more effective than the traditional classroom in clinical medical education: a systematic review and meta-analysis by Xu-Ying Shi, Qing Yin, Qiu-Wen Wang, Bing-Rui Lu, Guo-Xiang Li, Shu-Hong Huang, Zhi-Gang Sun

    Published 2025-01-01
    “…This meta-analysis aims to rigorously compare the effects of flipped classroom (FC) and traditional classroom (TC) teaching models on students’ learning in clinical medicine.MethodsWe conducted a systematic search for all randomized and quasi-randomized controlled trials (RCTs/Q-RCTs) comparing traditional classrooms and flipped classrooms in the context of clinical medical education. …”
    Get full text
    Article
  14. 4934

    Numerical and Experimental Investigation on the Structural Behaviour of a Horizontal Stabilizer under Critical Aerodynamic Loading Conditions by R. Sepe, R. Citarella, A. De Luca, E. Armentani

    Published 2017-01-01
    “…The FEM analysis, performed by using NASTRAN code, has allowed modelling the skins of the composite sandwich plates by definition of material properties and stack orientation of each lamina, while the honeycomb core has been modelled by using an equivalent orthotropic plate. …”
    Get full text
    Article
  15. 4935

    Manufacturing and impact resistance of Large-Scale stacked fibre metal laminates by Ding Tang, Haoyang Huang, Yitong Fan, Huamiao Wang, Yinghong Peng

    Published 2025-05-01
    “…This study introduces an automatic manufacturing process for large-scale stacked fibre metal laminates (FMLs) to reduce costs compared to traditional methods. A 3D finite element model was developed using Abaqus/Explicit, incorporating the Johnson─Cook, 3D-Hashin progressive damage, and cohesive surface models to evaluate the impact resistance of the produced FMLs. …”
    Get full text
    Article
  16. 4936

    Effect of copper nanoclusters on the tribological properties of steel-steel friction pair in alcohol aqueous solutions by Victoria Eduardovna Burlakova, Yulia Pavlovna Kosogova, Ekaterina Gennadyevna Drogan

    Published 2015-06-01
    “…The copper particle size is defined by the sedimentation analysis method using the disk centrifuge of CPS Disc Centrifuge Model DC 24000 brand in the aqueous solutions of polyatomic alcohols. …”
    Get full text
    Article
  17. 4937

    Improvement of Anti-Collision Performance of Concrete Columns Using Bio-Inspired Honeycomb Column Thin-Walled Structure (BHTS) by Jingbo Wang, Hongxiang Xia, Shijie Wang

    Published 2025-06-01
    “…In order to avert the impairment of reinforced concrete bridge piers (RCBPs) under the impact of vehicles, three kinds of Mg–Al alloy AlSi10Mg anti-collision structures designed by selective laser melting (SLM) printing were tested by the numerical simulation method in this study: an ultra-high performance concrete (UHPC) anti-collision structure, a bio-inspired honeycomb column thin-walled structure (BHTS) buffer interlayer, and a UHPC–BHTS composite structure were used to reduce the damage degree of RCBPs caused by vehicle impact. …”
    Get full text
    Article
  18. 4938

    Effect of different restorative design on stress concentration of lithium disilicate and monolithic zirconia endocrown on a mandibular molar - a finite element analysis by Garima Karn, Manoj Shetty, Chethan Hegde

    Published 2025-02-01
    “…A uniform 2 mm of bulk fill composite was used as a base beneath the endocrowns. 300 N load was applied on the cusps for each model and linear static analysis was carried out. …”
    Get full text
    Article
  19. 4939

    The Impact of Obesity on the Association between Parity and Risk of Type 2 Diabetes Mellitus by Yuki Gen, Kyuho Kim, Joonyub Lee, Junyoung Jung, Sang-Hyuk Jung, Hong-Hee Won, Dokyoon Kim, Yun-Sung Jo, Yu-Bae Ahn, Seung-Hyun Ko, Jae-Seung Yun

    Published 2025-07-01
    “…This study aims to explore the complex relationship between parity and T2DM risk, considering additional factors such as obesity, race, and body composition. Methods This prospective cohort study used data from 242,159 women aged 40 to 69 from the UK Biobank, none of whom had T2DM at baseline. …”
    Get full text
    Article
  20. 4940

    Integrated analysis of microbiome and metabolome reveals insights into cervical neoplasia aggravation in a Chinese cohort by Qingzhi Zhai, Luyang Zhao, Mingyang Wang, Li Li, Li-an Li, Mingxia Ye, Mingxia Li, Chengfeng Xu, Yuanguang Meng

    Published 2025-05-01
    “…However, the understanding of reliable biomarkers and underlying mechanisms during the aggravation of cervical neoplasia such as cervical intraepithelial neoplasia (CIN) and CC is still relatively limited.MethodsIn this study, cervical swab samples from 53 healthy controls, 51 high-grade squamous intraepithelial lesion (HSIL), and 52 CC patients were subjected to 16S rDNA sequencing and metabolomics analysis.ResultsWe observed significant differences in the cervical microbiota between CC patients and healthy controls or HSIL groups. …”
    Get full text
    Article