Showing 18,961 - 18,980 results of 19,524 for search '"Mathematics"', query time: 0.09s Refine Results
  1. 18961

    Evaluation of Biocoagulant “Opuntia ficus-indica and Chitosan” to Improve the Removal of Contaminants in Dairy Effluents through Electrocoagulation by Naysha Y. M. Elguera, Stephanie E. S. Pulcha, Edgar M. M. Ballon, Miriam R. F. Castro, Lilia M. M. Ramos, Victor L. A. Tohalino, Pavel K. D. Sarmiento, Vitor C. Almeida, Hugo G. J. Pacheco

    Published 2024-01-01
    “…Additionally, using the Box–Behnken mathematical model for the removal of TB and COD, the effects and interactions of the factors and experimental design levels (considering control formulations using triplicates) were evaluated. …”
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  2. 18962

    Assessing Gender Dimorphism Indicators in Anthropometric Characteristics and Features of the Bony Pelvis of Female Representatives of Pair and Group Types in Sports Acrobatics by Nataliia Veronika Bachynska, Eduard Doroshenko, Andrii Svatiev, Victor Bohuslavskyi

    Published 2025-01-01
    “…The research methods employed included the measurements of body length (cm), body weight (kg), shoulder width (cm), determination of body mass index (conventional unit); pelvimetry was performed to detect the transverse and longitudinal dimensions of the bony pelvis, as well as the degree of maturity of the pelvic bones using the index of pelvic bone (IPB). The methods of mathematical statistics were used to gain a comprehensive understanding of the data. …”
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  3. 18963

    An intuitionistic fuzzy extension to RAMS-RATMI methods for optimizing electrical discharge machining processes by Srinjoy Chatterjee, Shankar Chakraborty

    Published 2025-03-01
    “…Multi-Criteria Decision-Making (MCDM) approaches have emerged as competent mathematical tools capable of handling multiple input factors and their interactions with numerous conflicting responses to figure out the ideal EDM process parameter values. …”
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  4. 18964

    Variable power functional dilution adjustment of spot urine by Thomas Clemens Carmine

    Published 2025-01-01
    “…Based on extensive urinary total weight arsenic data (n = 5,553), the mathematical derivation of these coefficients is detailed in this paper and forms the foundation of the corrective V-PFCRC formulas. …”
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  5. 18965

    Recalculating national occurrence of microplastics in China’s freshwater by Dongyu Xu, Bo Gao

    Published 2025-01-01
    “…In this paper, we developed a mathematical method to align the abundance of microplastics into the same size range. …”
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  6. 18966

    Development and Validation of 3D Finite Element Models for Prediction of Orthodontic Tooth Movement by Udomsak Likitmongkolsakul, Pruittikorn Smithmaitrie, Bancha Samruajbenjakun, Juthatip Aksornmuang

    Published 2018-01-01
    “…Data from the first patient were used to analyze the tooth movement pattern and develop a mathematical formula for the second patient. Calculated orthodontic tooth movement of the second patient was compared to the clinical outcome. …”
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  7. 18967

    The effectiveness of using some criteria for determining adaptability on the example of winter rye cultivars by I. V. Safonova, N. I. Aniskov

    Published 2023-07-01
    “…Therefore, measuring the level of adaptability for yields in different mathematical quantities using a variety of methods is an urgent need.   …”
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  8. 18968

    GIS BASED DECISION SUPPORT SYSTEM FOR SEISMIC RISK IN BUCHAREST. CASE STUDY – THE HISTORICAL CENTRE by DIANA GHEORGHE, IULIANA ARMAS

    Published 2015-09-01
    “…A limitation of this method is that, regardless of the mathematical results, the final decision has to be made by the decision maker. …”
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  9. 18969

    Experimental dataset of a model-scale ship in calm water and wavesUniversity of Southampton Institutional Repository by Saeed Hosseinzadeh, Stephen Turnock, Haesol Lee, Rodolfo Olvera

    Published 2025-02-01
    “…This comprehensive series of experiments offers a benchmark for future research endeavours, providing a foundation for refining subsequent experiments, validating numerical methods, and enhancing mathematical models.…”
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  10. 18970

    Experimental Research on Fracture Characteristics of Reactive Powder Concrete in Different Volume Content of Steel Fiber by Wenzhen Wang, Haixiao Lin, Xiaogang Wu, Yuyao Zhao, Ziyu Hu, Pengshuai Wang, Menglong Zhou

    Published 2022-01-01
    “…The fracture characteristics of reactive powder concrete in different volume content of steel fiber are researched in this paper, combining with the photoelastic coating method and the mathematical analytical software MATLAB. More precisely, the wholly integrated initiation, stable propagation, and final failure stages of precast cracks in three-point bending specimens of reactive powder concrete in different volume content of steel fiber are directly recorded and systematically analyzed. …”
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  11. 18971

    Semiactive Vibration Control for Horizontal Axis Washing Machine by Barış Can Yalçın, Haluk Erol

    Published 2015-01-01
    “…A motion (gyroscope and accelerometer) sensor is installed on the top-front panel of the washing machine because a mathematical model of a horizontal axis washing machine suggests that the walking behavior starts around this location under some assumptions, and therefore, calculating the vibrations occurring there is crucial. …”
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  12. 18972

    Measurement and Numerical Simulation of Ground and Subgrade Vibrations of Beijing Urban Rail Line 13 by Futong Wang, Leilei Yan, Qi Jiang, Xiaxin Tao

    Published 2020-01-01
    “…In this paper, we investigate the vibration of the ground and the subgrade next to the Beijing Urban Rail Line 13 by a field measurement combined with a mathematical model. The duration of ground vibration is divided into two parts: the train passing time and the Doppler effect-related tailing part. …”
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  13. 18973

    The rationale, design of the Assisted reproductive technology cohort nested in a pre-pregnancy family cohort (APP-Cohort) by Wei Xiong, Qinghan Liang, Xiaojie Han, Qiaolu Cheng, Qihang Liu, Xifang Zuo, Huiyu Wang, Huijing He, Guangliang Shan

    Published 2025-12-01
    “…By utilizing practical experience and advanced mathematical analysis of the extensive data, the APP-Cohort study will provide valuable insights to promote the administration and success rate of ART in China.…”
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  14. 18974

    Dynamic Characteristics of Offshore Natural Gas Hydrate Dissociation by Depressurization in Marine Sediments by Xinfu Liu, Chunhua Liu, Jianjun Wu

    Published 2019-01-01
    “…Dynamic characteristics of offshore natural gas hydrate (NGH) dissociation will provide the theoretical basis to analyze technical issues of oceanic hydrate exploitation. A mathematical model is developed to simulate offshore NGH dissociation by depressurization in marine sediments. …”
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  15. 18975

    Comparative analysis of harmonic sensitivity for stator fault diagnosis in induction motors by Allal Abderrahim, Lamouchi Zakaria, Abderrahmane Khechekhouche, Antonio Marcos de Oliveira Siqueira, Julio César Costa Campos, Kheireddine Lamamra

    Published 2024-01-01
    “…A systematic approach to diagnosing faults in asynchronous motors involves the application of signal processing techniques, particularly utilizing the Fast Fourier Transform (FFT). The FFT, as a mathematical tool, enables a comprehensive analysis of signals, facilitating the identification and isolation of their frequency components. …”
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  16. 18976

    Assessing Thermal Comfort and Indoor Air Quality: In an Educational Facility of a Semi-Arid Climate Zone by Kemalettin Parmaksiz, Mehmet Irfan Yesilnacar, Abdullah Izzeddin Karabulut

    Published 2024-12-01
    “…Based on the findings obtained from the study, PMV (Predicted Mean Vote) and PPD (Predicted Percentage Dissatisfied) values and whether they are suitable thermal comfort for the people in these places tried to be determined by mathematical modeling and standards such as ASHRAE Standard 55-2023. …”
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  17. 18977

    Model for predicting metabolic activity in athletes based on biochemical blood test analysis by Victoria A. Zaborova, Evgenii I. Balakin, Ksenia A. Yurku, Olga E. Aprishko, Vasiliy I. Pustovoyt

    Published 2025-05-01
    “…Consequently, an informative mathematical model was developed, which enabled the reliable and timely prediction of the prevalence of one of the metabolic activity phases in the athlete's body. …”
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  18. 18978

    Managing agricultural water use in the Western United States: A search for efficient climate adaptation institutions by Frank A. Ward, Nicholas A. Potter, R. Aaron Hrozencik

    Published 2025-03-01
    “…Department of Agriculture data on irrigation water use patterns in the central part of the Rio Grande Basin of the American Southwest to support formulation of a mathematical model predicting water use patterns to assess impacts on farm income associated with a range of water shortages and water trading arrangements for adapting to these shortages. …”
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  19. 18979

    MODEL OF RATING OF NON PHYSICAL QUANTITY by V. M. Romanchak

    Published 2018-02-01
    “…As the expert compares objects, without determining the sizes of objects, it is natural to assume that the way of comparison is not known to him. It means that as mathematical model we defined an indirect way of finding of values of nonphysical size at an unknown way of comparison. …”
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  20. 18980

    Investigating the causes of groundwater leakage in Nahabad Mamsan plain using geomorphic indices based on geo Dualiteh theory by Najmeh Shafiei, Mohamad Ali Zanganeh Asadi, javad jamalabadi, Zeinab Mojarrad titkanlo

    Published 2019-03-01
    “…In evaluating and studying natural phenomena, we sometimes encounter certain seemingly independent forms and processes and phenomena that are related to each other and can be analyzed through a series of mathematical equations and correlations, but sometimes paired phenomena It is found that they have certain relations with each other, but these relationships can not be called correlation, but their relationship has caused them to be presented as a double (a type of conjugacy) and they would appear to be opposing reactions in terms of collocation. …”
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