Results 1 to 10 of about 3,119,517 (283)
Changes in the Spatial Structure of Synchronization Connections in EEG During Nocturnal Sleep Apnea [PDF]
Clocks & SleepThis study involved 72 volunteers divided into two groups according to the apnea–hypopnea index (AHI): AHI>15 episodes per hour (ep/h) (main group, n=39, including 28 men, median AHI 44.15, median age 47), 0≤AHI≤15ep/h (control group, n=33, including 12 ...
Maxim Zhuravlev +8 more
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Meta-Analysis of Scientific Studies About Port-Hinterland Relations [PDF]
جغرافیا و آمایش شهری منطقهای, 2023 Regional transportation, especially between port-hinterland, plays an important role in the economic prosperity of the country and the efficiency of the supply chain of commudities.
Melika Zarei +2 more
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Exp-function Method and Reduction Transformations for Rogue Wave Solutions of the Davey-Stewartson Equations [PDF]
Journal of Applied and Computational Mechanics, 2021 A pair of rogue wave solutions of the Davey-Stewartson (DS) equations are obtained by using the exp-function method and reduction transformations. Firstly, the Davey-Stewartson equations are transformed into two easy-to-solve equations, one of which is ...
Sheng Zhang, Yue Zhang, Bo Xu
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Stability of shallow shells with local changes in strength characteristics
Structural Mechanics of Engineering Constructions and Buildings, 2022 The authors deal with the structures of buildings in the form of shallow shells with some damage. The derivation of equations is given taking into account the geometric nonlinearity of the work of a thin-walled structure.
Alexander G. Kolesnikov +1 more
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MODELING THE DYNAMICS OF FOREST ECOSYSTEMS TAKING INTO ACCOUNT THEIR STRUCTURAL HETEROGENEITY AT DIFFERENT FUNCTIONAL AND SPATIAL LEVELS [PDF]
Вопросы лесной науки, 2022 In many problems of modern forest ecology, it is necessary to analyze the conjugated dynamics of processes occurring at different spatio-temporal scales of the functioning of plant communities and soils resulted from their interaction under the influence
V. N. Shanin +9 more
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Land, 2022 The Qinghai-Tibet Plateau serves as an important ecological security shelter in China and across Asia. During the past two decades, the patterns of land development and conservation on the Qinghai-Tibet Plateau have undergone significant changes under ...
Yafei Wang +3 more
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Terrain Gradient Effect and Spatial Structure Characteristics of Land Use in Dashanbao Area
Shuitu baochi tongbao, 2022 [Objective] The influence of topographical factors on land use pattern and spatial structure characteristics was explored in order to provide a scientific reference basis for the planning and decision-making of land development and utilization in ...
Zhang Li +3 more
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Spatially Structured Environmental Analysis of Marine Ecological Landscapes Based on Machine Vision
Journal of Marine Science and Engineering, 2023 In this study, based on the current development status of Zhanjiang’s marine economy and ecological landscape environmental spatial structure in China, an appropriate coordination measurement model tailored to Zhanjiang’s marine economy and the ...
Longlong Zhang +2 more
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Land, 2021 Cittaslow International promotes harmonious development of small towns based on sustainable relationships between economic growth, protection of local traditions, cultural heritage and the environment, and an improvement in the quality of local life. The
Marek Zagroba +2 more
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ISPRS International Journal of Geo-Information, 2020 The study of urban spatial structure is currently one of the most popular research fields in urban geography. This study uses Lanzhou, one of the major cities in Northwest China, as a case area.
Chenyu Lu +6 more
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