Showing 41 - 60 results of 543 for search 'sample calculation formula', query time: 0.10s Refine Results
  1. 41

    ClimKern v1.2: a new Python package and kernel repository for calculating radiative feedbacks by T. P. Janoski, T. P. Janoski, T. P. Janoski, T. P. Janoski, T. P. Janoski, I. Mitevski, R. J. Kramer, M. Previdi, L. M. Polvani, L. M. Polvani, L. M. Polvani

    Published 2025-05-01
    “…ClimKern functions contain helpful optional parameters while maintaining standard practices between calculations.</p> <p>After documenting the kernels and ClimKern package, we test it with sample climate model output from an abrupt <span class="inline-formula">2×CO<sub>2</sub></span> experiment to explore the sensitivity of feedback calculations to kernel choice. …”
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  2. 42

    Toxic risk assessment of selected metals in infant formula milk commercially available in Lebanon: A novel approach based on feeding parameters versus toxicity by Pierre J. Obeid, Bilal El Khoury, John Hanna El-Nakat

    Published 2025-03-01
    “…The drawback with such studies is the use of a fixed ADI for all samples as if all samples have the same and exact preparation directions while using somewhat different infant masses.Accordingly, this study aims at assessing the toxic risk amongst newborns from IFM consumption through the identification and application of various highly important and toxicity-contributing parameters from each IFM and its directions of preparation label separately which are discussed here for the first time while providing comparisons between the classical approach versus our new approach to highlight its importance.Seventy-three IFMs (0–6 months) were analyzed for lead (Pb), cadmium (Cd), arsenic (As), and aluminum (Al) levels and unlike previous studies, this work incorporated various feeding parameters from each IFM for calculating the intakes thus, revealing potential toxicity risks even in IFMs that are considered safe by the classical approach. …”
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  3. 43

    Correlation between the Joint Roughness Coefficient and Rock Joint Statistical Parameters at Different Sampling Intervals by Man Huang, Cia-chu Xia, Peng Sha, Cheng-rong Ma, Shi-gui Du

    Published 2019-01-01
    “…Statistical methods that are used to calculate the JRC increasingly depend on a sampling interval (Δx). …”
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  4. 44

    A Review of Sample Size Determination for Common Experi-mental Designs: Further Simplified Equations by Jihad M. Abdallah

    Published 2024-01-01
    “…Therefore, there is a need for more simplified, easy to implement formulas for calculation of sample size. Here, we present a short review of the rules for calculation of sample size for common experimental designs used in research and provide more simplified forms for some of these formulas. …”
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  5. 45

    A novel method for calculating number buildup factor in gamma-ray transmission measurements using narrow beam geometry by Chuong Huynh Dinh, Trang Le Thi Ngoc, Linh Nguyen Thi Truc, Nguyen Vo Hoang, Thanh Tran Thien

    Published 2024-01-01
    “…Based on these findings, we developed a fitting formula to calculate the number buildup factor using the input variables of sample thickness, mass density, and atomic number. …”
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  6. 46

    Using Pseudo-Complemented Truth Values of Calculation Errors in Integral Transforms and Differential Equations Through Monte Carlo Algorithms by Ravi A. Salim, Ernastuti, Edi Sukirman, Trini Saptariani, Suryadi MT

    Published 2025-08-01
    “…A Monte Carlo algorithm replaces one function with another with finite domain, preferably its finite part, by sampling the domain and calculating its map. The discussion extends to integration over an unbounded interval, integral transforms, and differential equations. …”
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  7. 47

    Interplay of education and community norms in justifying intimate partner violence among ever-married women aged 15–49 years in Bangladesh: a cross-sectional study by Mohammad Hridoy Patwary, Sumaiya Nusrat Esha

    Published 2025-04-01
    “…Statistical analyses, including chi-square tests, rank-biserial correlation test, and generalized linear models with binomial link function, were utilized to evaluate associations between IPV justification and sociodemographic factors. The parametric g-formula was employed to estimate potential outcome probabilities of IPV justification under hypothetical scenarios, with bootstrapping used for standard error calculations. …”
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  8. 48

    Validation of the Chilean Version of the Yale Food Addiction Scale 2.0 in Clinical and Non-Clinical Samples by Ximena Díaz-Torrente, Carina Valenzuela, Ana Palacio, Catalina Cuello, Alvaro Vergés, Marcela Reyes

    Published 2024-02-01
    “…The adapted Chilean version of YFAS2.0 was applied using the online REDCap platform, then anthropometric measurements were made, and the body mass index (BMI) was calculated. The internal consistency of the YFAS2.0 items was estimated (Kuder–Richardson formula 20), and the structure of the scale was confirmed using a confirmatory factorial analysis. …”
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  9. 49

    The Pore Diffusion Coefficient of Iodide Ion in Rock Samples Using X-ray K-edge Imaging by Jiujiang ZHAO, Zhe WANG, Zhidu ZHANG, Hong ZHAO

    Published 2023-08-01
    “…To minimize the shape effect of cylindrical samples, the average greyscale values, which were selected from the area of ±5mm to the center of radial direction, were used for calculating the iodide ion pore diffusion coefficient. …”
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  11. 51

    Optimal Training Positive Sample Size Determination for Deep Learning with a Validation on CBCT Image Caries Recognition by Yanlin Wang, Gang Li, Xinyue Zhang, Yue Wang, Zhenhao Zhang, Jupeng Li, Junqi Ma, Linghang Wang

    Published 2024-09-01
    “…<b>Conclusions</b>: This study demonstrated that the positive sample size of CBCT images containing caries was predictable and could be calculated using single-arm OPC.…”
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  12. 52

    River suspended-sand flux computation with uncertainty estimation using water samples and high-resolution ADCP measurements by J. Marggraf, G. Dramais, J. Le Coz, B. Calmel, B. Camenen, D. J. Topping, W. Santini, G. Pierrefeu, F. Lauters

    Published 2024-11-01
    “…The relative difference between the suspended-sand flux in 21 cases calculated with the proposed SDC method compared to the International Organization for Standardization (ISO) 4363 standard method ranges between <span class="inline-formula">−</span>40 % and <span class="inline-formula">+</span>23 %. …”
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  13. 53

    Frost heave cracking and uniaxial compression failure behavior of sandstone samples containing a flaw filled with water by Duofeng Cen, Yage Li

    Published 2024-11-01
    “…The peak frost heave pressure first increases and then decreases with the increase of flaw inclination angle, and reaches the maximum at 60°, and increases as the freezing temperature drops. Formulas for calculating the critical stress intensity factor K IC for flaw frost heave cracking are provided, considering flaw inclination angle or freezing temperature. …”
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  14. 54

    Do mental wellbeing and emotional eating influence BMI similarly or differently? Evidence from a sample of Peruvian adolescents by Keisler Cuyan-Zumaeta, David Javier-Aliaga, Mery Rodríguez-Vásquez, Jacksaint Saintila

    Published 2025-04-01
    “…The study employed the Mental Health Inventory (R-MHI-5), the Emotional Eating Scale (EES), and BMI was calculated using Quetelet’s formula.ResultsCorrelations revealed that mental wellbeing was negatively associated with BMI (r = −0.277, p &lt; 0.001, 95% CI = [−0.384, −0.163]), whereas emotional eating was positively associated with BMI (r = 0.274, p &lt; 0.001, 95% CI = [0.160, 0.381]). …”
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  15. 55

    Maximiser la représentativité de groupes dans un échantillonnage spatial by Estelle Kah, Michel Pruvot

    Published 2002-09-01
    “…Using an example of spatial sample of communes in the sub-regions of a department we present in a bunch of combined processes, a calculated example on a spreadsheet, and formulas to weight the random sampling.…”
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  16. 56

    Mathematical Model for Quantitative Estimation of Thermophysical Properties of Flat Samples of Potatoes by Active Thermography at Varying Boundary Layer Conditions by Pavel Balabanov, Andrey Egorov, Alexander Divin, Alexander N. Pchelintsev

    Published 2025-05-01
    “…Taking into account the found Bi values, the volumetric heat capacity and thermal conductivity were calculated using the formulas described in the article. …”
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  17. 57

    The Assessment of Chromatic Properties via Color-Difference Formulae in Aqueous-Based Dyeing and Non-Aqueous Reverse Micellar Dyeing of Woven Wool Fabrics Using α-Bromoacrylamide B... by Yanming Wang, Cheng-Hao Lee, Yiu-Lun Tang, Xi Yu, Chi-Wai Kan

    Published 2025-12-01
    “…The predicted dye concentrations, calculated using color difference formulas, closely aligned with theoretical predictions for both dyeing methodologies. …”
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  18. 58

    The Geometric Series Hypothesis of Leaf Area Distribution and Its Link to the Calculation of the Total Leaf Area per Shoot of <i>Sasaella kongosanensis</i> ‘Aureostriatus’ by Yong Meng, David A. Ratkowsky, Weihao Yao, Yi Heng, Peijian Shi

    Published 2024-12-01
    “…We found that there were 367 out of 388 shoots (94.6%) where 1 < <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mover accent="true"><mrow><mi>q</mi></mrow><mo>¯</mo></mover></mrow><mrow><mi>A</mi></mrow></msub></mrow></semantics></math></inline-formula> < 1.618 and MAPE < 15%, and these 367 shoots were defined as valid samples. …”
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  19. 59

    Reliability Assessment Model and Simulation of Journal Bearing of Railway Freight Cars Based on Bayesian Method under Small Sample Sizes by Juping Yang, Haijun Len, Junguo Wang, Yongxiang Zhao

    Published 2022-01-01
    “…However, it is expensive and has high service reliability requirements. Given a small sample size and zero-failure data, the traditional failure probability calculation formula based on a large sample size and the reliability modeling technique cannot easily assess the reliability of rolling bearings accurately. …”
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