Epistemological and empirical challenges of Niklas Luhmann’s systems theory: an interview with professors Álvaro Pires and Lukas Sosoe by Álvaro Pires, Lukas Sosoe, Lucas Fucci Amato, Marco Antonio Loschiavo Leme de Barros, Gabriel Ferreira da Fonseca

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The Sustainability of Knowledge-Sharing Behavior Based on the Theory of Planned Behavior in Q&A Social Network Community by Xin Feng, Lijie Wang, Yue Yan, Qi Zhang, Liming Sun, Jiangfei Chen, Ye Wu

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High-Efficiency Dynamic Modeling of a Helical Spring Element Based on the Geometrically Exact Beam Theory by Jian Zhang, Zhaohui Qi, Gang Wang, Shudong Guo

“…This paper presents a modeling study of the dynamics of a helical spring element with variable pitch and radius considering both the static stiffness and dynamic response by using the geometrically exact beam theory. The geometrically exact beam theory based on the Euler–Bernoulli beam hypothesis is described, of which the shear deformations are ignored. …”
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Retracted: Simulation of Subject Coordination for a Smart Campus Based on Complex Network and Evolutionary Game Theory by Journal of Function Spaces

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Evaluation of highway debris flow hazard based on geomorphic evolution theory coupled with material response rate by Na He, Ruze Han, Guisheng Hu, Zhiquan Yang, Linjuan Xu, Filip Gurkalo

“…It utilizes geomorphic evolution theory and establishes a regional risk assessment matrix for debris flow by combining information about gullies and source sensitivity. …”
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SOME ADDITIONS TO PRACTICE AND THEORY OF PHYSICAL EDUCATION TEACHING IN NON-SPORTS ORIENTED HIGHER EDUCATION INSTITUTION by Sergey V. Kaznacheev, Olga V. Lopatina, Zhanna Yu. Bogolyubova, Vlail P. Kaznacheev

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A set theory based fuzzy fs/QCA: a new tool for sensory analysis of foods by JK Pallavi

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SAR Image Simulation for Crater Terrain Using Formation Theory-Based Modeling and Hybrid Ray-Tracing by Ya-Ting Zhou, Yongsheng Zhou, Qiang Yin, Fei Ma, Fan Zhang

“…The approach incorporates crater formation theory to describe the relationship between various explosion parameters and craters. …”
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The impact of government subsidies on microplastic pollution control in mariculture: an evolutionary game theory analysis in Qingdao, China by Haiming Song, Xinting Wang, Xiaomeng Huan, Lin Yang

“…It then proceeds to examine the government’s strategy for managing mariculture microplastic pollution through game theory and simulation analysis. The main findings obtained are as follows. (1) The management of mariculture microplastic pollution can be improved on both the supply chain and market aspects by implementing subsidies. …”
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The unified theory of acceptance and use of DingTalk for educational purposes in China: an extended structural equation model by Yukun Hou, Zhonggen Yu

“…This study aimed to extend the Unified Theory of Acceptance and Use of Technology (UTAUT) by incorporating new constructs and examining the factors that affect users’ behavioral intention and use behavior of DingTalk. …”
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Implementation of Vygotsky's Theory of Social Constructivism in Learning Pancasila Education in Elementary Schools As Strengthening Cooperation Attitudes by Ressi Kartika Dewi, Munawir Yusuf, Subagya Subagya

“…This study aims to reveal the implementation of Vygotsky's theory of social constructivism in learning Pancasila education to strengthen students' cooperative attitudes. …”
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Corresponding Member of the Russian Academy of Sciences V.A. Kremenyuk and his contribution to the theory of the International Relations by V. I. Zvolinsky

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Investigation of Fracture Width Change under Closure Pressure in Unconventional Reservoir Based on the Hertz Contact Theory by Lifei Dong, Di Wang, Fengxia Li, Xinye Fu, Miao Wang

“…In this work, the mathematical model for the propping behavior of proppants in the fracture under closure pressure is established based on the Hertz contact theory. Compared with the existing models, the developed model considers both the proppant insertion and the elastic compression among the proppants, which is closer to the actual physical process. …”
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APPLICATION OF THE REFLECTIVE LEARNING THEORY IN DISCLOSURE OF STUDENT ACHIEVEMENTS WHEN LEARNING GRAMMAR II IN IAIN LANGSA. by Muhammad Yusuf Hasbalnikistan, Rita Mahriza, Muslem

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A Deconstruction Lattice Description of the D1/D5 Brane World-Volume Gauge Theory by Joel Giedt

“…I remark on possible applications of the lattice theory that would test the AdS3/CFT2 correspondence, particularly one that would exploit the recent worldsheet instanton analysis of Chen and Tong.…”
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Approximate Representation of One Mixed Problem Solution Pertaining to Heat Conduction Theory Using Special Functions by P. G. Lasy, I. N. Meleshko

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Les structures politiques de l’accumulation au prisme de la théorie des champs by Matthieu Ansaloni

Subjects: “…regulation theory…”
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A Displacement-Based Theory for Predicting the Support Force on the Shield Tunneling Surface in Sandy Soil Layers by Guang Sun, Han Liu, Zhiyuan Guo, Ranjie Li, Tao Li

“…The shallow soil pressure theory and the soil plastic limit equilibrium theory are derived by analyzing the stress distribution on the damaged soil. …”
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Local uniform convexity and Kadec-Klee type properties in K-interpolation spaces I: General Theory by Peter G. Dodds, Theresa K. Dodds, Alexander A. Sedaev, Fyodor A. Sukochev

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The Evolution Model of Public Risk Perception Based on Pandemic Spreading Theory under Perspective of COVID-19 by Yi-Cheng Zhang, Zhi Li, Guo-Bing Zhou, Nai-Ru Xu, Jia-Bao Liu

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