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Showing 321 - 340 results of 1,052 for search '(( variable friction (efficient. OR efficiency.) ) OR ( variable function coefficiency. ))', query time: 0.21s Refine Results
  1. 321

    Approximate Solution of Mixed Problem for Telegrapher Equation with Homogeneous Boundary Conditions of First Kind Using Special Functions by P. G. Lasy, I. N. Meleshko

    Published 2021-04-01
    “…The solution of the latter can be found by dividing the variables in the form of a series of trigonometric functions of a line point with time-dependent coefficients. …”
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  2. 322

    The CFS-PML for 2D Auxiliary Differential Equation FDTD Method Using Associated Hermite Orthogonal Functions by Feng Jiang, Xiao-Ping Miao, Feng Lu, Li-Yuan Su, Yao Ma

    Published 2017-01-01
    “…The complex frequency shifted (CFS) perfectly matched layer (PML) is proposed for the two-dimensional auxiliary differential equation (ADE) finite-difference time-domain (FDTD) method combined with Associated Hermite (AH) orthogonal functions. According to the property of constitutive parameters of CFS-PML (CPML) absorbing boundary conditions (ABCs), the auxiliary differential variables are introduced. …”
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  3. 323

    The Relationship between Executive Functions and Postural Control in Children with Mild Intellectual Disability and Comparison with Typically Developing Peers by Elaheh Azadian, Makwan Jabar Ali

    Published 2025-01-01
    “…Objective Children with intellectual disability (ID) experience significant impairments in both cognitive and motor functions, which impact their balance and postural control. …”
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  4. 324

    Development of objective test functions for modeling and sensitivity analysis of the mechanical behaviour of aluminum-agro-marine waste composites by Obinna Onyebuchi Barah, Stephen Ndubuisi Nnamchi, Milon Dennison Selvam, Mustafah Muhamad Mundu, Abubakar Abdulkarim

    Published 2024-01-01
    “…Composite samples were prepared according to ASTM standards for tensile, compressive, flexural, wear, and fatigue tests. Objective Test Functions (OTFs) were derived using physical modeling and sensitivity analysis to filter impactful variables. …”
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  5. 325

    Exploring undue advantage of differential item functioning in high-stakes assessments: Implications on sustainable development goal 4 by Oluwaseyi Aina Gbolade Opesemowo

    Published 2025-01-01
    “…In ensuring equity of measurement between subgroups at the item level, Differential Item Functioning (DIF) analysis is essential. However, discounting DIF affects validity, thereby making Sustainable Development goal 4 (SDG4) challenging to attain. …”
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  6. 326

    Application of Empirical Orthogonal Function Interpolation to Reconstruct Hourly Fine Particulate Matter Concentration Data in Tianjin, China by Hongwu Zhou, Haidong Pan, Shuang Li, Xianqing Lv

    Published 2020-01-01
    “…Moreover, it can also be applied to other spatiotemporal variables interpolation and imputation.…”
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  7. 327

    Psychometric evaluation and derivation of the Kannada version of the modified (29-item model) Indian Vision Function Assessment Questionnaire by Soujanya Kaup, Jyoshma Dsouza, Siddharudha Shivalli, Sheetal Savur, Vidya Hegde

    Published 2025-03-01
    “…Background/Aims: India’s linguistic and cultural diversity necessitates a region-specific validated Visual Functioning Questionnaire. The objective of this study was to translate the Indian Vision Function Questionnaire-33 (IND-VFQ-33) into the Kannada language and test its psychometric properties, underlying factor structure, and model fit. …”
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  8. 328

    A simple pedotransfer function to estimate fine fraction organic carbon contents of surface horizons in French soils by Eva Rabot, Pierre Barré, Claire Chenu, Amicie A. Delahaie, Manuel P. Martin, José-Luis Munera-Echeverri, Nicolas P.A. Saby

    Published 2025-07-01
    “…We used information from the French Soil Quality Monitoring Network (RMQS, 706 observations) and from a literature search (245 observations) to build and validate the pedotransfer function. We used the Random Forest algorithm and partial dependence plots in an exploratory data analysis, to analyze the variables influencing OCfine contents and to study the shape of their relationship with OCfine. …”
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  9. 329

    Variabilidad espacial y diaria del contenido de humedad en el suelo en tres sistemas agroforestales Spatial and daily variability of soil moisture content in three agroforestry sys... by Mariela Rivera Peña, Edgar Amézquita Collazos, Idupulapati Rao, Juan Carlos Menjivar Flores

    Published 2009-04-01
    “…The geo-statistical analysis showed that the random component of the spatial dependence was predominant over the nugget effect. The functions of semivariograms, structured for each variable were used to generate maps of interpolated contours at a fine scale. …”
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  10. 330

    Study on the Changes in Sediment Transport Capacity and Response Relationships in Different Segments of the Jingjiang Reach after the Operation of the Three Gorges Reservoir by Shen Minghui, Hu Chunhong, Li Yuchen, Guo Shuai, Shi Hongling

    Published 2025-01-01
    “…The developed formula for calculating the STR during the flood season provides a valuable tool for predicting sediment transport changes, incorporating key variables such as flow intensity, sediment supply coefficient, and median grain size. …”
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  11. 331

    Duality Revelation and Operator-Based Method in Viscoelastic Problems by Zelin Liu, Xiaobin Yu, Yajun Yin

    Published 2025-04-01
    “…By incorporating a damage-based variable coefficient, the model now also accounts for the accelerated creep phase of rocks, capturing damage evolution under prolonged loading. …”
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  12. 332

    Association of the Ratio of Second to Fourth Digit Length and Phthalate Exposure With Sexual Function in Japanese Men Seeking Fertility Treatment by Kazumitsu Yamasaki, Masahiro Uchida, Yuki Mizuno, Teruaki Iwamoto, Shoko Konishi

    Published 2025-06-01
    “…One standard deviation increase of mono-methyl phthalate was negatively associated with IIEF domains A (erectile function; exponentiated coefficient, 0.95; exponentiated 95% confidence interval, CI, [0.91, 0.98]) and D (intercourse satisfaction; exponentiated coefficient, 0.91; exponentiated [0.85, 0.97]). …”
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  13. 333

    Exercise Intolerance in Type 2 Diabetes: A Systematic Review and Meta‐Analysis by Kara C. Anderson, Nathan R. Weeldreyer, Zachary S. Leicht, Siddhartha S. Angadi, Zhenqi Liu

    Published 2025-03-01
    “…Early mitral inflow velocity/early mitral annulus velocity (β coefficient=−1.72, P=0.004) and left atrial volume index (β coefficient=−1.41, P=0.02) were significant moderators of the relative peak oxygen uptake model. …”
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  14. 334

    Regularized sum for eigenfunctions of multi-point problem in the commensurable case by S. A. Saleh

    Published 1998-01-01
    “…In series (0.3) σ is an integer, while Rk,s(σ,x,ξ,ρ) is a function of variables x,ξ, and defined in the square [0,π]x[0,π] which ensure the convergence of the series (0.3).…”
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  15. 335

    The varied Q creatinine in multi ethnics population and impact of adopting three different estimated glomerular filtration rates based on creatinine in adult populations: a call fo... by Ferdy Royland Marpaung, Santi Wulan Purnami, Shofi Andari, Ali Rohman, Reny I’tishom, Hari Basuki Notobroto, Jusak Nugraha, Risky Vitria Prasetyo, Djoko Santoso, Etienne Cavalier, Aryati Aryati

    Published 2025-03-01
    “…Ultimately, in order to compare the equations, Lin’s correlation coefficients were calculated for various eGFR categories.ResultsThe median creatinine level in the different island population showed variability. …”
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  16. 336
  17. 337

    Validation of a Gymnastic Functional Measurement Tool in Technical Skill Classification of Men’s Competitive Gymnasts: A Field Study by Zaher Ashour, Hassan Daneshmandi, Hossein Fakoor Rashid

    Published 2024-10-01
    “…Pearson and Spearman correlation tests were used to check the relationship between variables. The data were analyzed using SPSS software, with a significance level of P≤0.05.Results: The correlation coefficient tests revealed a positive and significant relationship between the gymnastics functional measurement tool scores and the technical skill score of ground movements, as well as the overall technical score of the competition. …”
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  18. 338

    Relationship between diet health quality and the level of functional fitness and quality of life among Polish women aged 60+ by Maria Krystyna Gacek, Agnieszka Wojtowicz, Grażyna Kosiba, Magdalena Majer, Joanna Gradek, Olga Czerwińska-Ledwig

    Published 2025-06-01
    “…Relationships between the variables were evaluated using Spearman’s R signed rank correlation coefficients in the IBM SPSS 21 program. …”
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  19. 339

    Network relationship between cognitive function and quality of life in community-dwelling older adults: an observational study from Beijing by Yitian Ye, Yichun Zhang, Jiaju Ren, Yanbo Zhu, Yanbo Zhu

    Published 2025-02-01
    “…Network analysis graphs were developed to investigate the interrelationships among variables, identify central nodes, and evaluate stability.ResultsIn the network, the dimensions of social functioning, role-physical, physical functioning, general health, vitality, orientation, and language showed high centrality strength. …”
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  20. 340

    Task-based functional connectivity in infants after exposure to regular white noise during natural sleep measured by fNIRS by Kanghui Li, Yong Zhang, Zhaohui Wang

    Published 2025-08-01
    “…Different individual infants show different changes in brain functional connectivity after receiving the same stimulus. …”
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