Showing 23,501 - 23,520 results of 25,938 for search '"R', query time: 0.13s Refine Results
  1. 23501
  2. 23502
  3. 23503

    Structural Design and Testing of a Corn Header for Soybean–Corn Intercropping by Zhipeng Cao, Qiqiang Li, Linfeng Chen, Yang Zhou, Junshan Nie, Qi Chen, Yuanfeng Xiao, Shaohao Zhou, Lihua Zhang

    Published 2025-01-01
    “…The optimal working parameter combination for the combine harvester includes a forward speed of 0.94 m/s, a stalk roll rotational speed of 566.5 r/min, and a kernel moisture content of 25%, under which conditions the grain loss rate of the corn header is 0.32% and the ear loss rate is 1.1%. …”
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  4. 23504
  5. 23505

    Using the gene pool of CIMMYT cultivars and lines in spring durum wheat breeding in Western Siberia by V. S. Yusov, М. G. Evdokimov, M. N. Kiriakova, D. A. Glushakov

    Published 2022-04-01
    “…Principal component analysis was carried out using the R version of the 4.0.3 package.Results. The studies have shown that CIMMYT lines differ from local cultivars and lines in disease resistance (brown rust, stem rust, hard smut, and powdery mildew), test weight, pasta-making properties, and lodging resistance, but under the conditions of Western Siberia they are significantly inferior in adaptability to local cultivars and lines and suffer greatly from drought, especially during the grain-filling period. …”
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  6. 23506

    Multiobjective Optimization of Surface Roughness and Tool Wear in High-Speed Milling of AA6061 by Machine Learning and NSGA-II by Anh-Tu Nguyen, Van-Hai Nguyen, Tien-Thinh Le, Nhu-Tung Nguyen

    Published 2022-01-01
    “…Several quality metrics were employed to quantify the performance of the models, such as the root mean squared error (RMSE), mean absolute error (MAE), and coefficient of determination (R2). As a result, SVR and ANN were found to have the best predictive performance for Ra and Vbmax. …”
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  7. 23507

    Soil Quality and Water Redistribution Influences on Plant Production over Low Hillslopes on Reclaimed Mined Land by Stephen D. Merrill, Mark A. Liebig, John D. Hendrickson, Abbey F. Wick

    Published 2018-01-01
    “…A SQ index (SQI) based on six indicator properties was highly correlated (r > 0.7) with RSD. Yield regressions with RSD or SQI were generally significant for Stanton forages and for spring wheat (Triticum aestivum) at both sites. …”
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  8. 23508

    Composição corporal e consumo de oxigênio: um estudo de revisão by Gustavo André Borges

    Published 2000-01-01
    “…Pesquisas iniciais, como as de Buskirk & Taylor (1957), mostram uma forte correlação entre o VO2máx e o peso corporal magro (r = 0.85), reforçando a relevância dessa métrica em avaliações de aptidão cardiorrespiratória. …”
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  9. 23509

    Fish Larval Assemblage Associated with an Eastern Tropical Pacific Coral Reef: Seasonal and Interannual Variability by Juan José Gallego-Zerrato, Diego Fernando Córdoba-Rojas, Alan Giraldo

    Published 2024-12-01
    “…Six significant assemblages were identified (SIMPROF, <i>p</i> < 0.05), each one associated with each sampling period (ANOSIM, <i>R</i> = 0.764); <i>Cetengraulis mysticetus</i>, <i>Diaphus pacificus</i>, <i>Anchoa</i> sp., <i>Anisotremus</i> sp., <i>Bremaceros bathymaster</i>, <i>Oligoplites saurus</i>, <i>Caranx</i> sp., <i>Seriola</i> sp., Gobiidae sp., <i>Microgobius</i> sp., and <i>Synodus evermanni</i> were the species that contributed to dissimilitude between groups. …”
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  10. 23510

    Competitive Fixed-Bed Adsorption of Pb(II), Cu(II), and Ni(II) from Aqueous Solution Using Chitosan-Coated Bentonite by Wan-Chi Tsai, Mark Daniel G. de Luna, Hanna Lee P. Bermillo-Arriesgado, Cybelle M. Futalan, James I. Colades, Meng-Wei Wan

    Published 2016-01-01
    “…Experimental breakthrough curves were observed to be in good agreement (R2>0.85 and E%<50%) with the predicted curves generated by the kinetic models. …”
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  11. 23511

    Impact of Centralisation of Radical Prostatectomy Driven by the Introduction of Robotic Systems on Positive Surgical Margin and Biochemical Recurrence in pT2 Prostate Cancer by Ibrahim Ibrahim, Omar Kouli, Sanjana Ilangovan, Melanie Sneddon, Sarika Nalagatla, Carol Marshall, Lorenzo Dutto, Hing Y. Leung, Imran Ahmad

    Published 2025-01-01
    “…Propensity score matching and Cox regression models were performed using R. Results A total of, 907 patients were included; 662 robot assisted radical prostatectomy (RARP), 245 open RP. …”
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  12. 23512

    Multiangle Correlation Feature Extraction and Disease Prediction Model Construction for Patients With Post-Stroke Dysarthria by Ting Zhu, Shufei Duan, Huizhi Liang, Fujiang Li, Wei Zhang

    Published 2025-01-01
    “…Both proposed models achieved a high prediction accuracy, with an adjusted R2 value of 0.85 for GRA-DBN and 0.92 for optimised model. …”
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  13. 23513

    Quadriceps Strength Influences Patient Function More Than Single Leg Forward Hop During Late-Stage ACL Rehabilitation by Meredith Chaput, Marcus Palimenio, Brooke Farmer, Dimitrios Katsavelis, Jennifer J. Bagwell, Kimberly A. Turman, Chris Wichman, Terry L. Grindstaff

    Published 2021-02-01
    “… # Study Design Descriptive Laboratory Study # Methods Forty-eight individuals with a history of ACL-R (32 female, 16 male; mean±SD age=18.0±2.7 y; height=172.4±7.6 cm; mass=69.6±11.4 kg; time since surgery=7.7±1.8 months; IKDC=86.8±10.6) completed the IKDC survey, quadriceps isometric strength, and single-leg forward hop performance. …”
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  14. 23514

    Influence of Parent Stressors on Adolescent Obesity in African American Youth by Lauren Allport, MinKyoung Song, Cindy W. Leung, Kellye C. McGlumphy, Rebecca E. Hasson

    Published 2019-01-01
    “…Parent stressors were assessed using the Crisis in Family Systems Revised (CRISYS-R) questionnaire. Height, weight, and waist circumference were measured by trained staff; height and weight were converted to BMI. …”
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  15. 23515

    Beneficial Effects of Probiotic Treatment on Gut Microbiota in Very Low Birth Weight Infants by Yue-feng Li, Chuan-rui Zhu, Xue-lei Gong, Hui-ling Li, Li-kuan Xiong, Ke-jian Wang, Guo-Sheng Liu

    Published 2019-01-01
    “…Finally, 32 fecal specimens extracted from 16 preterm VLBW infants were qualified and analyzed using 16S rRNA gene sequencing. The primary outcome was to evaluate the change of gut microbiota in VLBW infants after combined probiotic supplement. …”
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  16. 23516
  17. 23517

    Single Laboratory Validation of Four Methods for Quantification of HMF in Honey by Elif Yıldız, Abdullah Tahir Bayraç

    Published 2024-03-01
    “…All methods showed linearity with the lowest R2 value of 0.992. Two method performance parameters, accuracy, and precision were satisfied by each four methods with recovery values at 98.2%, 100.2%, 102.5% and 103.3% and RSDr (relative standard deviation) % values at 6.97%, 6.19%, 2.87% and 0.90% for spectral analysis, Seliwanoff, HPLC and Winkler methods, respectively. …”
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  18. 23518

    Biomarker discovery and phytochemical interventions in Alzheimer's disease: A path to therapeutic advances by Mithila Debnath, Mahir Azmal, Rashid Taqui, Moshiul Alam Mishu, Ajit Ghosh

    Published 2025-02-01
    “…Methods: A differential expression analysis was conducted using GEO2R, where the significant differentially expressed genes (DEGs) were identified in brain areas that include the Entorhinal Cortex (EC) and Posterior Cingulate (PC), as well as in peripheral blood. …”
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  19. 23519
  20. 23520

    Pengembangan dan Efektivitas Buku Panduan Konseling Karir Ginzberg dengan Teknik Modeling untuk Memilih Studi Lanjut Siswa by I Komang Agus Ugrasena, I Ketut Dharsana, Kadek Suranata

    Published 2022-12-01
    “…This study used the method (R&D) using the 4D step, namely, define, design, development and dessimination which focused on class IX students of SMPN 9 Denpasar as research subjects. …”
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