Showing 9,741 - 9,760 results of 12,472 for search '"theories"', query time: 0.07s Refine Results
  1. 9741

    Study of adsorption behavior of HCN and H2S molecules over undoped and Al-doped zinc oxide monolayer: A DFT approach by Dipak Oli, Om Shree Rijal, Ravi Kiran Neupane, Pitamber Shrestha, Shriram Sharma, Leela Pradhan Joshi, Rajendra Parajuli

    Published 2025-01-01
    “…We utilized spin-polarized Density Functional Theory with GGA-PBE, meta GGA-SCAN, and DFT + U functionals for all calculations. …”
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    Article
  2. 9742

    Weighted Complex Network Analysis of Shanghai Rail Transit System by Yingying Xing, Jian Lu, Shendi Chen

    Published 2016-01-01
    “…In this paper, the Shanghai RTS, as well as passenger flows, will be investigated by using complex network theory. Both the topological and dynamic properties of the RTS network are analyzed and the largest connected cluster is introduced to assess the reliability and robustness of the RTS network. …”
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    Article
  3. 9743

    Improved Riccati Transfer Matrix Method for Free Vibration of Non-Cylindrical Helical Springs Including Warping by A.M. Yu, Y. Hao

    Published 2012-01-01
    “…Free vibration equations for non-cylindrical (conical, barrel, and hyperboloidal types) helical springs with noncircular cross-sections, which consist of 14 first-order ordinary differential equations with variable coefficients, are theoretically derived using spatially curved beam theory. In the formulation, the warping effect upon natural frequencies and vibrating mode shapes is first studied in addition to including the rotary inertia, the shear and axial deformation influences. …”
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    Article
  4. 9744

    Designing and validating Sternberg's successful intelligence training package and its effectiveness on students' academic vitality by Abedeh Nazari, Ismail Sadipour, Soghra Ebrahimighavam, Hasan Asadzadeh Dehrai

    Published 2023-11-01
    “…Therefore, teachers can use Sternberg's theory of successful intelligence in their educational system as an effective teaching method to increase the academic vitality of students.…”
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    Article
  5. 9745

    Proximal Neural Networks based reconstruction for few-view CT applications by Hoang Trieu Vy Le, Caroline Bossuyt, Julie Escoda, Marius Costin, Jan De Beenhouwer, Jan Sijbers

    Published 2025-02-01
    “…PNNs, grounded in optimization theory, offer flexibility and can be adapted to any image restoration task solvable by a proximal algorithm. …”
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    Article
  6. 9746

    Electronic descriptors for designing high-entropy alloy electrocatalysts by leveraging local chemical environments by Guolin Cao, Sha Yang, Ji-Chang Ren, Wei Liu

    Published 2025-02-01
    “…Our model offers an accurate and robust description of the binding strengths of intermediates with different adsorption configurations on HEAs, supported by external density functional theory calculations. Importantly, the local environmental electronegativity of the HEA surface is strongly related to the d-band profile of the center atom(s) embedded within. …”
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    Article
  7. 9747

    E-learning Platform and Pedagogical Monitoring in the Context of Digital Transformation by A. V. Khaperskaya, М. G. Minin

    Published 2021-05-01
    “…In particular, the implementation of an expert assessment method using image theory and machine learning is presented. The article argues that electronic didactics makes it possible to expand the functionalities of pedagogical monitoring in conditions of digitalization, while maintaining the principles of traditional pedagogy. …”
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    Article
  8. 9748

    Lateral Buckling Analysis of the Steel-Concrete Composite Beams in Negative Moment Region by Fengqi Guo, Shun Zhou, Lizhong Jiang

    Published 2015-01-01
    “…Combined with the buckling theory of axial compression thin-walled bars in elastic medium, the buckling moment is obtained. …”
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    Article
  9. 9749

    Cooking with confidence for autistic youth: outcomes from a pilot program evaluation model by Mi-Yeet Wong, Conner Carlton, Shelby Paul, Jonathan Deutsch, Rachel Sherman, Brandy-Joe Milliron, Nicole Farmer, Rachel Hingst, Claire Richardson, Lindsay Shea

    Published 2025-01-01
    “…Abstract Objective This article outlines the evaluation model for the Cooking with Confidence (CWC) program, developed using Bandura’s Social Learning Theory as its conceptual framework. The evaluation aimed to: (1) Examine participant characteristics in the CWC program, (2) Assess changes in cooking knowledge, skill acquisition, self-efficacy, and confidence, and (3) Identify barriers and facilitators to participant engagement. …”
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    Article
  10. 9750

    Kinematic Singularity and Bifurcation Analysis of Sidestay Landing Gear Locking Mechanisms by Kui Xu, Yin Yin, Yixin Yang, Hong Nie, Xiaohui Wei

    Published 2021-01-01
    “…The present study is aimed at investigating the synchronous locking performance of the dual-sidestay landing gear based on the singularity and bifurcation theory. From the perspective of the kinematic mechanism, the reason for high sensitivity to structural dimensions in the locking process is explained, and the locked position is investigated by employing the numerical continuation method in the case of a single-sidestay landing gear. …”
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    Article
  11. 9751

    Integral Representation of Functions of Bounded Variation by Z. Lipcsey, I. M. Esuabana, J. A. Ugboh, I. O. Isaac

    Published 2019-01-01
    “…With Bainov’s introduction of impulsive differential equations having solutions of bounded variation, this class of functions had eventually entered into the theory of differential equations. However, the determination of existence of solutions is still problematic because the solutions of differential equations is usually at least absolute continuous which is disrupted by the solutions of bounded variations. …”
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  12. 9752

    Designing Learning Materials for Systems of Linear Equations in Two Variables in the Context of Jakabaring Tourism in Palembang by Marta Risa Putri Utami, Zulkardi Zulkardi, Ely Susanti, Meryansumayeka Meryansumayeka

    Published 2025-01-01
    “…The HLT was compared with the Local Instructional Theory (LIT) that emerged during the learning process. …”
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  13. 9753

    Fractional Stress Relaxation Model of Rock Freeze-Thaw Damage by Q. Liu, W. Chen, J. K. Guo, R. F. Li, D. Ke, Y. Wu, W. Tian, X. Z. Li

    Published 2021-01-01
    “…To accurately describe the mechanical behaviour of stress relaxation of rocks under freeze-thaw, the software element is constructed based on the theory of fractional calculus to replace the ideal viscous element in the traditional element model. …”
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    Article
  14. 9754

    Linking past and future research in tourism management through the lens of marketing and consumption: a systematic literature review by Irina Saur-Amaral, Pedro Ferreira, Rosa Conde

    Published 2013-01-01
    “…Based on 617 academic papers from 2001 to date, we perform content analysis in a grounded-theory methodological approach and map the field of tourism marketing and consumption, identifying main schools of thought (invisible colleges) and main players. …”
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  15. 9755

    A Vibration Model of Ball Bearings with a Localized Defect Based on the Hertzian Contact Stress Distribution by Fanzhao Kong, Wentao Huang, Yunchuan Jiang, Weijie Wang, Xuezeng Zhao

    Published 2018-01-01
    “…The calculation of the ball-raceway contact force when the ball passes over the defect is key to establishing a defect vibration model. Hertzian contact theory indicates that the contact area between the ball and the raceway is an elliptical contact surface; therefore, a new approach is used to calculate the ball-raceway contact force in the defect area based on the stress distribution and the contact area. …”
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    Article
  16. 9756

    Nonlinear Dynamic Analysis of New Product Diffusion considering Consumer Heterogeneity by Zhongjun Tang, Huike Zhu

    Published 2020-01-01
    “…Based on the dynamics of epidemic transmission theory and agent modeling technology, this study proposes a new coupling model through the combination of the improved SEIR epidemic model and the heterogeneous agent model. …”
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    Article
  17. 9757

    Effect of Seepage Velocity on Formation of Shaft Frozen Wall in Loose Aquifer by Jian Lin, Hua Cheng, Hai-bing Cai, Bin Tang, Guang-yong Cao

    Published 2018-01-01
    “…Based on hydrothermal coupling theory and considering the effect of decreased absolute porosity on seepage during the freezing process, a mathematical model of hydrothermal full-parameter coupling with a phase change is created. …”
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  18. 9758

    Experimental Investigation of Coal Dust Wettability Based on Surface Contact Angle by Gang Zhou, Han Qiu, Qi Zhang, Mao Xu, Jiayuan Wang, Gang Wang

    Published 2016-01-01
    “…Wettability is one of the key chemical properties of coal dust, which is very important to dedusting. In this paper, the theory of liquid wetting solid was presented firstly; then, taking the gas coal of Xinglongzhuang coal mine in China as an example, by determination of critical surface tension of coal piece, it can be concluded that only when the surface tension of surfactant solution is less than 45 mN/m can the coal sample be fully wetted. …”
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  19. 9759

    Dynamic Investigation in Green Supply Chain considering Channel Service by Qiuxiang Li, Mengmeng Li, Yimin Huang

    Published 2020-01-01
    “…Considering firm’s innovation input of green products and channel service, this paper, in dynamic environment, studies a dynamic price game model in a dual-channel green supply chain and focuses on the effect of parameter changing on the pricing strategies and complexity of the dynamic system. Using dynamic theory, the complex behaviors of the dynamic system are discussed; besides, the parameter adaptation method is adopted to restrain the chaos phenomenon. …”
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    Article
  20. 9760

    Hydraulic Performance Modifications of a Zeolite Membrane after an Alkaline Treatment: Contribution of Polar and Apolar Surface Tension Components by Patrick Dutournié, Ali Said, T. Jean Daou, Jacques Bikaï, Lionel Limousy

    Published 2015-01-01
    “…A decrease of the contact angles is observed after the alkaline treatment for the three liquids. According to the theory of Lifshitz-van der Waals interactions in condensated state, surface modifications are investigated and a variation of the polar component of the material surface tension is observed. …”
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