Showing 22,681 - 22,700 results of 25,938 for search '"R', query time: 0.15s Refine Results
  1. 22681
  2. 22682

    CORPORATE ENTREPRENEURSHIP AND SERVICE FIRMS’ PERFORMANCE IN NIGERIA by Moruff Sanjo Oladimeji, Adebiyi Julius Abosede, Benneth Uchenna Eze

    Published 2019-05-01
    “…The data was analyzed with the aid of Stata12 and the findings reveal that CE elements account for 56% variation in service firm’s performance (Adj R-squared =0.5604). The findings further suggest that innovation, risk taking, proactiveness and corporate venturing significantly affect service firm performance, while strategic renewal does not significantly affect service firm performance. …”
    Get full text
    Article
  3. 22683

    Genetic control of yield components in green beans (<i>Phaseolus vulgaris</i> L.) by M. Contreras-Rojas, D. G.G. Guzmán, S. A. Salazar Mercado

    Published 2023-10-01
    “…The correlation coefficient r (Yr; Wr + Vr) indicated that dominant genes were responsible for the increased number of pods per plant and recessive genes for increased pod length and mean pod weight.Conclusions. …”
    Get full text
    Article
  4. 22684

    Feature engineering on climate data with machine learning to understand time-lagging effects in pasture yield predictionGitHub by Thirunavukarasu Balasubramaniam, Wathsala Anupama Mohotti, Kenneth Sabir, Richi Nayak

    Published 2025-05-01
    “…Our results show that incorporating averaging-based feature-engineered climate attributes significantly improves pasture yield predictions, with enhancements of up to 20.28%, 31.81%, and 31.11% across the three evaluation measures, RMSE, MAE, and R2, respectively. This approach also enhances interpretability, revealing diverse time-lagging effects on different pasture species. …”
    Get full text
    Article
  5. 22685

    Probabilistic seismic hazard mapping for Bangladesh using updated source models by Anika Samm-A, A. S. M. Maksud Kamal, Md. Shakhawat Hossain, Md. Zillur Rahman

    Published 2025-12-01
    “…Probabilistic seismic hazard analysis (PSHA) was performed for bedrock condition using R-CRISIS, producing maps of Peak Ground Acceleration (PGA) and Spectral Acceleration (SA) for 10% and 2% probabilities of exceedance in 50 years. …”
    Get full text
    Article
  6. 22686
  7. 22687

    A SCOPING REVIEW OF MHEALTH TECHNOLOGIES FOR PATIENTS UNDERGOING HAEMODIALYSIS by Sarah Amalia, Erna Rochmawati

    Published 2024-12-01
    “…Eleven studies representing various mHealth technologies were included. The PRISMA-ScR guidelines for scoping reviews were followed to ensure comprehensive reporting of results. …”
    Get full text
    Article
  8. 22688

    A novel electrical rock typing approach to improve estimating formation resistivity factor in carbonate rocks by Milad Mohammadi, Mohammad Emami Niri, Abbas Bahroudi, Aboozar Soleymanzadeh, Shahin Kord

    Published 2025-01-01
    “…Data analysis confirms that EZI delivers highly accurate rock typing with determination coefficients (R²) greater 0.96. EZI enables a more comprehensive and accurate evaluation of reservoir rock types by providing more precise calculations of F and eliminating the need for data exclusion. …”
    Get full text
    Article
  9. 22689
  10. 22690

    Rapid Screening for Flavone C-Glycosides in the Leaves of Different Species of Bamboo and Simultaneous Quantitation of Four Marker Compounds by HPLC-UV/DAD by Jin Wang, Yong-de Yue, Hao Jiang, Feng Tang

    Published 2012-01-01
    “…The optimized HPLC method proved to be linear in the concentration range tested (0.2–100 μg/mL, r2≥0.9997), precise (RSD≤1.56%), and accurate (88–106%). …”
    Get full text
    Article
  11. 22691

    A hydropower plant scheduling model considering the stochastic correlation between runoff and electricity prices by WU Ying, WANG Juefei, LI Junjie, WANG Kun, SHEN Yan, WU Yingjun

    Published 2025-01-01
    “…First, using the conditional value at risk (CVaR) theory, marginal distribution functions are utilized to characterize the risks of runoff uncertainty and electricity price volatility (EPV), enabling accurate risk assessment for market-operated hydropower plants. …”
    Get full text
    Article
  12. 22692

    Description of a new leaf litter toad of Leptobrachella (Anura, Megophryidae) from Hunan, China by Jie Huang, Fang-Peng Zhang, Wan-Sheng Jiang, Yong-Xiang Tian, Xing-Long Huang, Ya-Lan Xu, Jing Liu, Xin-Yu Li, You-Xiang Zhang, Tao Wu

    Published 2025-01-01
    “…Phylogenetical analysis revealed that the new species is sister species of L. wulingensis (p-distance 0.019 in 16s rRNA gene, p-distance 0.073 in COI gene). The duration of advertisement call was 194.2 ± 6.7 ms, the mean dominant frequency of the first note was 3.885 ± 0.066 kHz, and the mean dominant frequency of the second note was 3.914 ± 0.052 kHz. …”
    Get full text
    Article
  13. 22693

    Design and Validation of the Scientific-Research Skills Questionnaire for Basic Education Teachers by Gilber Chura-Quispe, Bianca Daisa Laura-De-La-Cruz, Patricia Rosa María Nué Caballero, Edith Cristina Salamanca Chura, Héctor Octavio Guido Torres Orihuela

    Published 2024-09-01
    “…The values obtained for convergent validity (AVE > 0.5), discriminant validity (√AVE > r) and internal consistency (αordinal and ωordinal > 0.7) exceeded the minimum expected values. …”
    Get full text
    Article
  14. 22694

    Spirituality and mental health – investigating the association between spiritual attitudes and psychosomatic treatment outcomes by Thilo Hinterberger, Nike Walter

    Published 2025-01-01
    “…Although these correlations were generally weak, significant associations were found between spirituality and life competences, particularly in meaning, belief, and values (r = .595 for TPV and .598 for TSI F1).ConclusionDespite correlations between psychosomatic health and spirituality as measured with TPV and TSI were rather small several spirituality items could be identified which seem to have a prominent connection to the diagnosis and development of psychosomatic health. …”
    Get full text
    Article
  15. 22695

    Molecular identification and genetic diversity analysis of Cryptosporidium spp. infecting dogs from central and northern Jordan: Detection of zoonotic genotype IId. by Rami M Mukbel, Eman M Etoom, Haifa B Hammad, Heidi L Enemark, Marwan M Abu Halaweh

    Published 2025-01-01
    “…Faecal samples were screened for Cryptosporidium using polymerase chain reaction (PCR) targeting the 18S rRNA gene, revealing an overall infection rate of 18.9% (47 out of 249). …”
    Get full text
    Article
  16. 22696

    Sensitization to nsLTP: A Retrospective Study in An Italian Pediatric Population over the Last Decade by Cristiana Indolfi, Giulio Dinardo, Angela Klain, Marcella Contieri, Giuseppina Rosaria Umano, Fabio Decimo, Salvatore Abbadessa, Carolina Vitulano, Giorgio Ciprandi, Michele Miraglia del Giudice

    Published 2023-01-01
    “…In particular, using the years 2010 through 2020 as a comparison, the major increases were observed for the LTPs of the English walnut Jug r 3, the peanut Ara h 9, and the plane tree Pla a 3 (about 50%); the increase of the LTP of the Hazelnut Cor a 8 was about 36%, and that of the LTP of the artemisia Art v 3 was approximately 30%. …”
    Get full text
    Article
  17. 22697

    Optimization of joint strength in friction stir welded wood plastic composites using ANFIS and Cheetah Optimizer by Ammar H. Elsheikh, Mohamad Elmiligy, Ahmed M. El-Kassas

    Published 2025-01-01
    “…The ANFIS model showed the best predictive performance, with R2 values above 0.98 and minimal errors, indicating its reliability in modeling FSW properties. …”
    Get full text
    Article
  18. 22698

    Psychometric Properties of the Family Inventory of Resources for Management in a Sample of Iranian Family Caregivers of Cancer Patients by Seyed Reza Mirsoleymani, Camelia Rohani, Mahsa Matbouei, Malihe Nasiri, Parvaneh Vasli

    Published 2016-01-01
    “…Also, the results of convergent validity showed that there is a moderate negative correlation (r=-0.50; p<0.001) between the total scores of the FIRM and the scores of the caregiver burden inventory (CBI). …”
    Get full text
    Article
  19. 22699
  20. 22700

    Rapid Determination of 26 Pyrrolizidine Alkaloids in Milk Power and Liquid Milk by Solid Phase Extraction Combined with Ultra-high Performance Liquid Chromatography-Tandem Mass Spe... by CHEN Yankai

    Published 2024-12-01
    “…The calibration curves for the 26 PA compounds showed good linearity in the range of 1.0–40 ng/mL with determination coefficients (R2) greater than 0.992. The limits of detection (LOD) and quantification (LOQ) of the developed method were in the range of 0.01-0.33 μg/kg (RS/N = 3) and 0.03–1.0 μg/kg (RS/N = 10), respectively. …”
    Get full text
    Article