Persistence and Nonpersistence of a Predator Prey System with Stochastic Perturbation by Haihong Li, Daqing Jiang, Fuzhong Cong, Haixia Li

“…First, we show that this system has a unique positive solution. Then, we deduce conditions that the system is persistent in time average. …”
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Sovereignty and Responsibility in a Multilevel System: Subsidiarity as the Guiding Principle? by Michael Hüther, Markus Vogel

“…Abstract In the German political debate, the principle of subsidiarity plays an important role in the acceptance of the European multilevel system. In such a system, there is a collision of historically diverging, systematically inconsistent and qualitatively different needs. …”
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Nested Saturation Function Control of a Magnetic Levitation System by Octavio Gutiérrez-Frías, Norma Lozada-Castillo, J. Alejandro Aguirre-Anaya, Diego A. Flores-Hernández

“…The trajectory tracking task of a magnetic levitation system connected to a beam mechanism is solved by means of a nested saturation control with a feedforward term. …”
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Comparison of human computer interaction on Windows and Linux operations systems by Viduka Dejan, Kraguljac Vladimir M.

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The Effect of Tensor Interaction in Splitting the Energy Levels of Relativistic Systems by Mohammad Reza Shojaei, Mohsen Mousavi

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Adie’s Tonic Pupil in Systemic Sclerosis: A Rare Association by Anusha Venkataraman, Bijnya Birajita Panda, Chandrasekhar Sirka

“…We report a rare association of Adie’s tonic pupil in a patient with systemic sclerosis who was otherwise systemically stable. …”
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Switch Reluctance Motor Control Based on Fuzzy Logic System by S. V. Aleksandrovsky, Yu. N. Petrenko

“…It is suggested to use controller based on fuzzy logic system. Design of FLS controller and simulation model presented.…”
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A New Feigenbaum-Like Chaotic 3D System by Huitao Zhao, Yiping Lin, Yunxian Dai

“…Based on Sprott N system, a new three-dimensional autonomous system is reported. …”
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Interactive English Online Teaching System Based on B/S Model by Wanhong Gu, Yaxiong Yuan

“…In addition, this paper combines intelligent algorithms to construct an online interactive teaching system for English. The experimental research results show that the interactive English online teaching system based on the B/S model proposed in this paper has a greater advantage than the traditional online English teaching method.…”
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Handbook of Florida Water Regulation: Pollutant Storage Tank Systems by Michael T. Olexa, Luke D'Isernia, Laura Minton, Dulcy Miller, Sarah Corbett

“…FE613/FE613: 2021 Handbook of Florida Water Regulation: Pollutant Storage Tank Systems (ufl.edu) …”
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AN L-SYSTEM FOR MODELING OF UNIDIMENSIONALLY GROWING FLAT PLANT TISSUES by U. S. Zubairova, S. K. Golushko, A. V. Penenko, S. V. Nikolaev

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Effect of Planting Systems on the Physicochemical Properties and Bioactivities of Strawberry Polysaccharides by Qiuqiu Zhang, Renshuai Huang, Guangjing Chen, Fen Guo, Yan Hu

“…Suitable planting systems are critical for the physicochemical and bioactivities of strawberry (<i>Fragaria × ananassa</i> Duch.) polysaccharides (SPs). …”
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Vulcont: A recommender system based on context history ontology by Ismael M. G. Cardoso, Jorge L. V. Barbosa, Bruno M. Alves, Lucas P. S. Dias, Luan C. Nesi

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Ground State Solutions to a Critical Nonlocal Integrodifferential System by Min Liu, Zhijing Wang, Zhenyu Guo

“…Under proper conditions, we establish an existence result of the ground state solution to the nonlocal integrodifferential system.…”
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Stability of Nonlinear Autonomous Quadratic Discrete Systems in the Critical Case by Josef Diblík, Denys Ya. Khusainov, Irina V. Grytsay, Zdenĕk Šmarda

“…Many processes are mathematically simulated by systems of discrete equations with quadratic right-hand sides. …”
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Intelligent Systems in The Management of Regional Resources: Benefits for Sustainable Development by Svitlana Melnychenko, Olga Cholyshkina, Serhii Rtyshchev, Alla Mishchenko, Roman Karpinskyi

Subjects: “…intelligent systems…”
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Meteorological Issues and Technological Progress in the Development of New Energy Systems by Yanbo SHEN

Subjects: “…new energy systems…”
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Neural Hyperactivity of the Central Auditory System in Response to Peripheral Damage by Yi Zhao, Qiang Song, Xinyi Li, Chunyan Li

“…It is increasingly appreciated that cochlear pathology is accompanied by adaptive responses in the central auditory system. The cause of cochlear pathology varies widely, and it seems that few commonalities can be drawn. …”
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RESEARCH OF THE EXISTING SYSTEM OF DEVELOPMENT AND IMPLEMENTATION OF INVESTMENT-CONSTRUCTION PROJECTS by V. Opekunov, I. Shherbinin

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Public Organizations of Ukraine in the System of Preventing and Counteracting Domestic Violence by K. B. Levchenko, O. V. Shved

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