Showing 1,741 - 1,760 results of 1,844 for search '"exponentiation"', query time: 0.09s Refine Results
  1. 1741

    Population dynamics of the mouflon (Ovis aries musimon) in South-West Poland in 1981–2020 by Grzegorz Kopij

    Published 2024-12-01
    “…During the subsequent years of 1981–1990, the population increased to 219 individuals, and had reached 576 individuals by 2001. This exponential growth continued until 2011, when it reached its second (the first one with 1100 individuals was in 1939) maximum, fluctuating around 1400–1500 individuals until 2016. …”
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  2. 1742

    Matching plus regression adjustment for the estimation of the average treatment effect on survival outcomes: a case study with mosunetuzumab in relapsed/refractory follicular lymph... by Danilo Di Maio, S. A. Mitchell, S. Batson, E. Keeney, Howard H. Z. Thom

    Published 2025-02-01
    “…Sensitivity analyses were performed to test robustness to different distributional assumptions (log-normal, log-logistic and exponential) or model specifications (second, third and fourth lowest AIC) for event times. …”
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  3. 1743

    Experimental Study on Thermal Conductivity of Organic-Rich Soils under Thawed and Frozen States by Ruixia He, Ning Jia, Huijun Jin, Hongbo Wang, Xinyu Li

    Published 2021-01-01
    “…Given the same SMS, soil thermal conductivity declines exponentially with increasing SOM content. Based on the experimental and theoretical analyses, a new empirical computational formula of soil thermal conductivity is established by taking into account of the SOM content, SMS, and soil temperature. …”
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  4. 1744

    Magnetic Field Effects on Convective Heat Transfer of Ferrofluid from a Heated Sphere in Porous Media by Ayesha Aktar, Sharaban Thohura, Md. Mamun Molla

    Published 2025-05-01
    “…For increasing Ha, the figure of streamlines seems to depict functions with more gradual changes, and for isotherms, it represents functions with sharper, exponential-like increases. While many works focus on ferrofluids or porous media individually, combining the study of heat transfer in ferrofluids within porous structures can represent a distinct focus. …”
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  5. 1745

    Relative Performance of Model Selection Criteria for Cox Proportional Hazards Regression Based on Kullback’s Symmetric Divergence by Clarisse Houénafa Dete, Bruno Enagnon Lokonon, Kossi Essona Gneyou, Marcel Senou, Romain Glèlè Kakaï

    Published 2025-01-01
    “…Simulations were run using scenarios resulting from the combination of sample size n=30,50,100,200,300, censoring percentage C=5%,10%,15%,20%,25%,and 30%, and censoring distribution (uniform or exponential). The results revealed that the KIC family criteria favor models with more accurate predictive power, irrespective of sample size or censoring percentage. …”
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  6. 1746

    A bibliometric review of functional ingredients and their efficacy in developing functional biscuits [version 3; peer review: 1 approved, 2 approved with reservations] by Kshama Vishwakarma, Varalakshmi Chandra Sekaran, Vidya Patwardhan, Asha Kamath

    Published 2024-12-01
    “…Similarly, present times have seen exponential growth in functional food in bakery product segments like breads and biscuits. …”
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  7. 1747

    Uncertainty analysis of linear and non-linear regression models in the modeling of water quality in the Caspian Sea basin: Application of Monte-Carlo method by Sahar Heidari Masteali, Mahmoud Bayat, Pete Bettinger, Mansour Ghorbanpour

    Published 2025-01-01
    “…We developed predictive models using stepwise linear regression, power, exponential, and logarithmic models to locate the best model form for each water quality parameter (dependent variable) we examined. …”
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  8. 1748

    Study on Intelligent Compaction-Equipment Logistics Scheduling and Propagation Characteristics of Vibration Wave in Nonlinear Systems with Multistability Based on Field Test by Yixuan Han, Changwei Yang, Degou Cai, Hongye Yan, Hailing Zeng

    Published 2020-01-01
    “…Third, in the propagation process, with the increase in buried depth, the amplitude of fundamental, primary, secondary, until fifth harmonics decreases exponentially (R2>0.9), and the concrete functional relationship among different amplitudes of harmonics can be summarized as y = Ae−BX; fourth, the vibration energy is mainly concentrated near 10–30 Hz in the vibratory roller, but when the vibration wave propagates from vibratory roller⟶filling material, the vibration energy gradually decreases with the increase in depth, and the marginal spectrum gradually changes from one peak to two peaks, that is, 30–50 Hz and 50–100 Hz; fifth, the vibration energy in the vibrational wheel is distributed averagely in the compaction process, and the effective compaction time is two seconds, which will be helpful for revealing the propagation characteristics of vibration wave, optimizing the compaction quality control models and providing some support for the development of intelligent compaction theory of railway subgrade.…”
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  9. 1749

    Investigation on the Vibration Effect of Shock Wave in Rock Burst by In Situ Microseismic Monitoring by Mingshi Gao, Hongchao Zhao, Yichao Zhao, Xiaojun Gao, Xiangyu Wang

    Published 2018-01-01
    “…Detailed test results revealed that (1) the shock wave attenuated exponentially with the increase of the distance to seismic source according to the equation of E=E0e-ηl; particularly, the amplitude decreased significantly after being 20 m apart from explosive resource and then became very weak after being 30 m apart from the seismic source; (2) the response mechanics are characteristic with large scatter based on the real location of surrounding rock despite being at the same section. …”
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  10. 1750

    Effects of the crystallinity of fluoropolymer binders components in polymer-bonded explosives on shock Hugoniots: A computational study by Wen-yu Zhou, Hua-rong Li, Yong Han, Liu Liu, Hong Yang, Yang Zhou

    Published 2024-12-01
    “…The obtained macroscopic characteristic parameters, namely κo and co, exhibited an exponential dependence on crystallinity. Physically, this phenomenon can be attributed to a reduction in the compressible free volume of the fluoropolymers due to a more orderly chain arrangement. …”
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  11. 1751

    Forecasting cardiovascular disease mortality using artificial neural networks in Sindh, Pakistan by Moiz Qureshi, Khushboo Ishaq, Muhammad Daniyal, Hasnain Iftikhar, Mohd Ziaur Rehman, S. A. Atif Salar

    Published 2025-01-01
    “…This study analyzes and forecasts the CVD deaths in the Sindh province of Pakistan using classical time series models, including Naïve, Holt-Winters, and Simple Exponential Smoothing (SES), which have been adopted and compared with a machine learning approach called the Artificial Neural Network Auto-Regressive (ANNAR) model. …”
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  12. 1752

    Dynamic Mechanical Properties and Fractal Characteristics of Polypropylene Fiber-Reinforced Cement Soil under Impact Loading by Yi-xin Mo, Jian-yong Pang, Jin-kun Huang

    Published 2019-01-01
    “…The fractal dimension value has a linear relationship with the polypropylene fiber content and a decreasing exponential relationship with the average particle size. …”
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  13. 1753

    Perovskite Solar Cell: Chemical Composition and Bandgap Energy via Machine Learning by Filipi França dos Santos, Kelly Cristine Da Silveira, Gesiane Mendonça Ferreira, Daniella Herdi Cariello, Mônica Calixto de Andrade

    Published 2023-12-01
    “… The exponential growth in publications and applications of perovskite photovoltaic cells highlights their significance in energy conversion and carbon emissions mitigation. …”
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  14. 1754

    Neuromodulation of risk and reward processing during decision making in individuals with general anxiety disorder (GAD) by Vahid Nejati, Jamal Amani Rad, Amir Hosein Hadian Rasanan

    Published 2025-01-01
    “…Also, for anodal dlPFC (F3)/cathodal vmPFC (Fp2), anodal dlPFC (F3)/cathodal right shoulder, anodal vmPFC (Fp2)/cathodal left shoulder we have observed more stable choice pattern. the DDT, exponential discounting rate and randomness were improved during anodal dlPFC and anodal vmPFC stimulation with extracranial return electrodes. …”
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  15. 1755

    Research on Productivity Evaluation Method Based on Shale Gas Well Early Flow Stage Data by Yize Huang, Xizhe Li, Wei Guo, Xiaohua Liu, Wei Lin, Chao Qian, Mengfei Zhou, Yue Cui, Xiaomin Shi

    Published 2023-01-01
    “…The Blasingame method is recommended for medium-to-high-production gas wells, whereas a normalized pressure integral method is suggested for low-production wells. A strong exponential quantitative link between the AOF and the EUR shows that a fracture system’s initial productivity has a significant impact on a well’s EUR. …”
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  16. 1756

    Deep learning-based encryption scheme for medical images using DCGAN and virtual planet domain by Manish Kumar, Aneesh Sreevallabh Chivukula, Gunjan Barua

    Published 2025-01-01
    “…The method uses a Deep Learning (DL) framework to generate a decoy image, which forms the basis for generating encryption keys using a timestamp, nonce, and 1-D Exponential Chebyshev map (1-DEC). Experimental results validate the efficacy of the approach in safeguarding medical images from various security threats, including unauthorized access, tampering, and adversarial attacks. …”
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  17. 1757

    Research on blow-out of shield tunnel in sandy soil with shallow burial by Yong-Xiang Shi, Yong-Xiang Shi, Bao-Ping Xi, Qi-Guang Di, Feng-Nian Wang, Feng-Nian Wang

    Published 2025-01-01
    “…The research on the failure zone found that an increase in the friction angle causes an enlargement of the failure zone and an increase in the dissipated power at the boundary, resulting in an exponential growth of the limit support pressure. The cohesion has a minimal effect on the shape and area of the failure zone, primarily manifesting as an increase in the dissipated power at the failure zone boundary. …”
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  18. 1758

    Modelling the Transmission Dynamics of Meningitis among High and Low-Risk People in Ghana with Cost-Effectiveness Analysis by Nicholas Kwasi-Do Ohene Opoku, Reindorf Nartey Borkor, Andrews Frimpong Adu, Hannah Nyarkoah Nyarko, Albert Doughan, Edwin Moses Appiah, Biigba Yakubu, Isabel Mensah, Samson Pandam Salifu

    Published 2022-01-01
    “…The effective reproductive number estimated in real time using the exponential growth method affirmed that the number of secondary meningitis infections will continue to increase without any intervention or policies. …”
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  19. 1759

    Assessing blood flow in uterine fibroids using intravoxel incoherent motion imaging compared with dynamic contrast-enhanced MRI by Teija Sainio, Jani Saunavaara, Gaber Komar, Antti Viitala, Saara Otonkoski, Kirsi Joronen, Antti Perheentupa, Roberto Blanco Sequeiros

    Published 2025-01-01
    “…IVIM and DCE analyses were conducted using separate dedicated software. The bi-exponential IVIM model was used to estimate perfusion fraction (f), pseudo-diffusion coefficient (D*), and diffusion coefficient (D). …”
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  20. 1760

    Assessing Mitigation Strategies to Reduce Potential Exposures to Indoor Particle Release Events by Katie Van Valkinburgh, Ali Mohammadi Nafchi, Ehsan Mousavi, Vincent Blouin, Nigel Kaye, Andrew R. Metcalf

    Published 2022-07-01
    “…A particle nebulizer was used to release aerosol particles into the air, and multiple particulate measuring devices were placed strategically around the room to measure the particle concentration over time. An exponential particle decay rate is determined from the data and converted to a particle concentration half-life, which ranged from over 60 minutes down to under 10 minutes. …”
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