Showing 22,001 - 22,020 results of 25,938 for search '"R', query time: 0.11s Refine Results
  1. 22001

    Maternal-Cord Blood Vitamin D Correlations Vary by Maternal Levels by Ganesa Wegienka, Hareena Kaur, Roopina Sangha, Andrea E. Cassidy-Bushrow

    Published 2016-01-01
    “…When the maternal 25(OH)D level was <15 ng/mL, the overall correlation was r=0.16. Most children had a 25(OH)D cord blood level less than half of their mother’s; 15.4% had a level that was <25% of their mother’s. …”
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  2. 22002

    A Large-Scale Snow Depth Retrieval Method for Alaska Based on Point-Surface Fusion and Random Forest Model by Ningjun Wang, Tiantian Liu

    Published 2025-01-01
    “…Five-fold cross-validation results show the model exhibits excellent fitting performance (R<inline-formula> <tex-math notation="LaTeX">$^{2} =0.9627$ </tex-math></inline-formula>, MAE =4.6 cm, RMSE =10.08 cm), particularly demonstrating strong robustness in sparse meteorological stations. …”
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  3. 22003

    Análisis bibliométrico de estudios econométricos en sostenibilidad by Diego Marcelo Lara Haro, Alexis Ariel Aldás Castro, María José Sánchez Sarzosa, Israel David Gaibor González

    Published 2024-07-01
    “…La metodología empleada fue el análisis bibliométrico a través de la biblioteca Bibliometrix en el lenguaje R, lo que facilitó el análisis de redes de colaboración y las principales áreas temáticas. …”
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    Article
  4. 22004

    Application of DTM to heat source/sink in squeezing flow of iron oxide polymer nanofluid between electromagnetic surfaces by Reshu Gupta, A.B. Albidah, NFM Noor, Ilyas Khan

    Published 2025-02-01
    “…The Riga plates (R.P) generate electromagnetic forces that significantly affect the nanofluid flow. …”
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  5. 22005

    Using crafted features and polar bear optimization algorithm for short-term electric load forecast system by Mansi Bhatnagar, Gregor Rozinaj, Radoslav Vargic

    Published 2025-01-01
    “…The importance of crafted features over basic features was analysed by different evaluation metrics MAE, RMSE, R-squared, and MAPE. Evaluation metrics showed that prediction accuracy increased significantly with crafted features in comparison to basic features for all four models. …”
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  6. 22006

    Assessing the Role of Vaccination in the Control of Hand, Foot, and Mouth Disease Transmission by Zuhur Alqahtani, Mahmoud H. DarAssi, Yousef AbuHour, Areej Almuneef

    Published 2025-01-01
    “…This work computes the basic reproduction number (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>R</mi><mn>0</mn></msub></semantics></math></inline-formula>) to represent the endemic and epidemic scenarios. …”
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  7. 22007

    Wpływ nowożytnego antropocentryzmu na relację człowieka do przyrody. Część pierwsza by Anita Ganowicz-Bączyk

    Published 2011-03-01
    “…Bruno, F. Bacon, I. Newton, R. Descartes), the technology development, as well as social, political and cultural changes. …”
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  8. 22008

    Reference Values of Pulse Wave Velocity in Healthy People from an Urban and Rural Argentinean Population by Alejandro Díaz, Cintia Galli, Matías Tringler, Agustín Ramírez, Edmundo Ignacio Cabrera Fischer

    Published 2014-01-01
    “…PWV increases linearly with aging with a high degree of correlation (r2=0.61; P<0.05) with low dispersion in younger subjects. …”
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  9. 22009

    The impact of apolipoprotein E, type ∊4 allele on Alzheimer's disease pathological biomarkers: a comprehensive post-mortem pilot-analysis. by Ziyu Wan, Tao Ma

    Published 2025-01-01
    “…Our investigation delves into the intricate interplay between identified biomarkers and their correlation with ApoE4 across all severities of AD. Employing Pearson R correlation, and one-way and two-way ANOVA tests, we elucidate the pathological changes in biomarkers and the altering effects of ApoE4. …”
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  10. 22010

    Experiences and outcomes of Gypsy, Roma and Traveller women in pregnancy: a scoping review protocol by Mary Higgins, Maggie O’Brien, Brendan Dempsey

    Published 2022-07-01
    “…The Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR) tool will be used.Ethics and dissemination Ethical approval was not required for this protocol as all literature within this scoping review are publicly available. …”
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  11. 22011

    Wild Bumblebee (Bombus) Diversity and Nosema (Microsporidia: Nosematidae) Infection Levels Associated with Lowbush Blueberry (Vaccinium angustifolium) Production and Commercial Bum... by Sara L. Bushmann, Francis A. Drummond, Lee A. Beers, Eleanor Groden

    Published 2012-01-01
    “…Bumblebee species diversity and field location had significant relationships to infection (r2 adjusted = 0.265; species diversity F(1,22)=6.848, P=0.016; field region F(1,22)=5.245, P=0.032). …”
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  12. 22012

    Microscopical and molecular investigation of Ichthyophthirius multifiliis from fish in Mosul city, Iraq by Esraa A. Altaie, Nadia N. Alhayali

    Published 2025-01-01
    “…Molecular phylogenetic analysis conducted with 18S rRNA gene confirming species identification of one positive isolate out of 13 belonging to the ectoparasite I. multifiliis under the accession number PQ012981 and according to the genetic tree analysis of I. multifiliis showed 100% match with each of the United States isolates for the same species and under the accession numbers KJ690571, KJ690572, KJ690570, KJ690568, KJ690567, KJ690566 and KJ690565 and isolates OM865867 in India and OM302501 in China. …”
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  13. 22013

    Remodeling Intestinal Flora with Sleeve Gastrectomy in Diabetic Rats by Xiaofei Huang, Pan Weng, Huixin Zhang, Yingli Lu

    Published 2014-01-01
    “…The composition changes of intestinal flora were detected by 16S rDNA sequence analysis. Results. In diabetic rats, weight and fasting blood glucose decreased significantly after sleeve gastrectomy. …”
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  14. 22014

    A Novel Electrochemical Method for Protionamide Determination Based on Its Interaction with Alizarin Red S by Weili Zhang, Xueliang Niu, Hua Zhang, Qingqing Jiang, Pingping Zhang

    Published 2015-01-01
    “…The linear equation between the decreasing current (Δip) and protionamide concentration was got as Δip (μA) = 0.01514C (mg/L) −0.01553  (n=9; r=0.991) with the linear range of 10.0~50.0 mg/L, and the detection limit (3σ) was got as 8.25 μg/mL. …”
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  15. 22015

    Molecular Determination of Toxocara spp. Eggs Isolated from Public Parks and Playgrounds in Zahedan, Southeast Iran by Siavash Liravizadeh, Samaneh Abdolahi Khabisi, Alireza Salimi Khorashad, Hadi Mirahmadi

    Published 2024-01-01
    “…The modified Sheather’s flotation technique was employed to isolate Toxocara spp. eggs from the soil, followed by microscopic assessment and molecular evaluation of internal transcribed spacer 1 and 2 ribosomal deoxyribonucleic acid (ITS1 and 2 rDNA) using nested polymerase chain reaction (nested PCR) to identify the presence of Toxocara spp. eggs. …”
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  16. 22016

    Assessing urban vegetation inequalities: Methodological insights and evidence by Alicia González-Marín, Marco Garrido-Cumbrera

    Published 2025-05-01
    “…ArcGIS was the most widely used GIS platform, closely followed by the cloud-based geospatial analysis platform Google Earth Engine, while R-Studio and Statistical Package for the Social Sciences (SPSS) were popular for statistical analysis. …”
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  17. 22017

    Evaluation of the Relationship between Knowledge Level and Anxiety Level of Cancer Patients with Port Catheter by Buse Sekmen, Anita Karaca

    Published 2023-12-01
    “…In addition, this study found no significant relationship between port catheterization knowledge and anxiety scores (r = 0.13; p gt; 0.05).Conclusion: The patients' knowledge level about port catheterization was above average and their anxiety level was mild. …”
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  18. 22018

    Detection of Amitraz Resistance in Rhipicephalus (Boophilus) microplus from SBS Nagar, Punjab, India by N. K. Singh, Abhijit Nandi, Jyoti, S. S. Rath

    Published 2014-01-01
    “…The current study reports the development of resistance in R. (B.) microplus to amitraz from Punjab state and the data generated would be useful in formulation of effective control strategies against ticks of this region.…”
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  19. 22019

    Understanding the nature of substance use in Zimbabwe: State of the art and ways forward: A scoping review protocol. by Blessing N Marandure, Samson Mhizha, Amanda Wilson, Clement Nhunzvi

    Published 2023-01-01
    “…Furthermore, the review will embed an assessment of the response to substance use, together with an analysis of the policy landscape on substance use in Zimbabwe. The PRISMA-ScR checklist will be utilised for the write up. …”
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  20. 22020

    LA INTELIGENCIA ARTIFICIAL PARA LA PREDICCIÓN DE TENDENCIAS EN EL COMERCIO GLOBAL: UN ENFOQUE BIBLIOMÉTRICO Y ANALÍTICO by Diego M. Lara-Haro, Elsi Negrete-Usuño, Josselyn Paredes-León, María J. Sánchez-Sarzosa

    Published 2025-01-01
    “…Se analizaron 384 documentos publicados entre 2018 y 2025 utilizando el software R Studio y el paquete Bibliometrix, para identificar redes de colaboración, autores clave y áreas temáticas predominantes. …”
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