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A rapid fingerprint positioning method based on deep convolutional neural network for MIMO-OFDM systems

Chenlin He, Xiaojun Wang, Jiyu Jiao, Yuhua Huang et al. • Urban Lifeline (2024)

Abstract The combination of fingerprint positioning and 5G (the 5th Generation Mobile Communication Technology) offers broader application prospects for indoor positioning technology, but also brings challenges in real-time performance. In ...

DOAJ Open Access (DOAJ) DOI: 10.1007/s44285-024-00021-4

Exploring Pattaya’s tourism DNA: a mixed-method approach for revisit intention

Chayapoj Lee-Anant, Piyatida Kungwansith, Pimrawee Rocharungsat • Cogent Social Sciences (2025)

This study investigates the structural and symbolic foundations of Pattaya’s tourism identity using a mixed-methods approach that integrates thematic qualitative analysis with Partial Least Squares Structural Equation Modeling (PLS-SEM). It...

DOAJ Open Access (DOAJ) DOI: 10.1080/23311886.2025.2598725

Production of Cooking Gas through Electrochemical Decomposition of Organic Matter

Rodolphe N’Dedji Sodokin, Chika Oliver Ujah, Daramy Vandi Von Kallon, Gildas David Farid Adamon • International Journal of Home Economics, Hospitality and Allied Research (2023)

In recent decades, the use of electrochemistry has increased exponentially. Electrochemistry has demonstrated their effectiveness in the cleaning of manufactured effluents and the decomposition of complex hydrological compounds for water tr...

DOAJ Open Access (DOAJ) DOI: 10.57012/ijhhr.v2n2.007

GIS Based Appraisal of Waste Disposal for Environmental Assessment and Management in Mainland Area of Lagos State, NG

Rafiu Jimoh, Adeniji Moradeyo, Vivian Chuma, Ogungbade Olubukola et al. • International Journal of Environment and Geoinformatics (2019)

An appraisal of Waste disposal for environmental assessment and management in Lagos Mainland of Lagos state using the GIS has been carried out. GIS has been a veritable tool for analyzing, storing, querying, capturing, displaying and manag...

DOAJ Open Access (DOAJ) DOI: https://doi.org/10.30897/ijegeo.476449

Temperature orchestrates phytoplankton community and environment in mountain stream for enhancing resource use efficiency

Li Ji, Huayong Zhang, Huayong Zhang, Zhongyu Wang et al. • Frontiers in Marine Science (2025)

Warming is a key factor influencing the function of the structure and function of phytoplankton communities. However, the impacts of temperature on phytoplankton resource use efficiency (RUE) in mountain rivers remain poorly understood. Her...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmars.2025.1565858

Impact of the Age of Cecal Material Transfer Donors on Alzheimer’s Disease Pathology in 5xFAD Mice

Francesco Valeri, Malena dos Santos Guilherme, Fuqian He, Nicolai M. Stoye et al. • Microorganisms (2021)

Alzheimer’s disease is a progressive neurodegenerative disorder affecting around 30 million patients worldwide. The predominant sporadic variant remains enigmatic as the underlying cause has still not been identified. Since efficient therap...

DOAJ Open Access (DOAJ) DOI: 10.3390/microorganisms9122548

Nutritional status, literacy, and risk factors of malnutrition in the population over 50 years of age - findings from the SHARE project

Tereza Vágnerová, Olga Dvořáčková, Eva Topinková • Clinical Nutrition Open Science (2024)

Summary: Background & Aims: The transition from middle age to old age (from adults aged 50–55 years to older seniors aged 75–80 years) represents a critical period in terms of changes in body composition, i.e., increase in body fat per...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nutos.2024.01.006

Rapakivi K‐Feldspar Megacrysts in Monzogranitic Porphyry: Evidence for Magma Recharge and Mush Rejuvenation

Wang Li, Xuxuan Ma, Roberto Weinberg, Liang Qiu et al. • Geochemistry, Geophysics, Geosystems (2025)

Abstract The formation, storage, and evolution of granitic magmas are fundamental processes driving the growth of continental crust. While traditionally attributed to crystal fractionation in high‐melt fraction magma chambers, the model inv...

DOAJ Open Access (DOAJ) DOI: 10.1029/2025GC012435

New palaeomagnetic data for Palaeoproterozoic AMCG complexes of the Ukrainian Shield

V.G. Bakhmutov, O.V. Mytrokhyn, I.B. Poliachenko, S.I. Cherkes • Геофизический журнал (2023)

A palaeomagnetic study of rocks for two Palaeoproterozoic anorthosite-mangerite-charnockite-granite (AMCG) complexes in the Ukrainian Shield was done to put additional constraints on the interpretation of palaeogeography of Fennoscandia and...

DOAJ Open Access (DOAJ) DOI: 10.24028/gj.v45i4.286283

GPS network observation of traveling ionospheric disturbances following the Chelyabinsk meteorite blast

F. Ding, F. Ding, T. Mao, L. Hu et al. • Annales Geophysicae (2016)

We use the Global Positioning System (GPS) network in northwest China and central Asia to monitor traveling ionospheric disturbances (TIDs), which were possibly excited by the large meteorite blast over Chelyabinsk, Russia, on 15 Februar...

DOAJ Open Access (DOAJ) DOI: 10.5194/angeo-34-1045-2016

The cause of high intensity of seismicity in Ukraine

O. Chalyi, M. Diaconescu, I. Gurova, Y. Lisovyi et al. • Вісник Київського національного університету імені Тараса Шевченка. Серія Геологія (2018)

In the article, the earthquake near Sumy is considered in detail. According to the authors, this earthquake occurred under the influence of several stress regimes. At the regional level: it is related to the transfer of stresses from the Vr...

DOAJ Open Access (DOAJ) DOI: 10.17721/1728-2713.83.05

Structural Properties of Syngenetic Ice-Rich Permafrost, as Revealed by Archaeological Investigation of the Yana Site Complex (Arctic East Siberia, Russia): Implications for Quaternary Science

Vladimir V. Pitulko, Elena Y. Pavlova • Frontiers in Earth Science (2022)

Ice-rich syncryogenic (termed “Ice Complex”) deposits are common in northern East Siberia and constitute the most important feature of the Quaternary geology of the region. The Ice Complex formed throughout the Late Pleistocene and not only...

DOAJ Open Access (DOAJ) DOI: 10.3389/feart.2021.744775

Sources of Contaminants of Emerging Concern in Groundwater of Barcelona Urban Area

D. Schmidlin, L. Scheiber, M. Teixidó, E. Vázquez et al. • Advances in Geosciences (2023)

Groundwater is a vital resource for the development of urban areas, where the problem focuses on the quantity and on the quality of this freshwater resource. Barcelona is a good example as because currently groundwater is used for irrigatio...

DOAJ Open Access (DOAJ) DOI: 10.5194/adgeo-59-59-2023

Analytical solutions of steady-state temperature field for large-section freezing with rectangular layout of single-ring holes

HONG Zequn 1, SHI Rongjian 1, YUE Fengtian 1, HAN Lei 2 • Yantu gongcheng xuebao (2023)

The temperature field is the basis for assessing the mechanical state and water-sealing performance of the frozen wall, which is an important research direction of the artificial freezing theory. For the freezing pipes in the form of a clos...

DOAJ Open Access (DOAJ) DOI: 10.11779/CJGE20220700

Morphological Changes of the Lower Ping and Chao Phraya Rivers, North and Central Thailand: Flood and Coastal Equilibrium Analyses

Chaiwongsaen Nikhom, Nimnate Parisa, Choowong Montri • Open Geosciences (2019)

The Chao Phraya River flows in the largest river basin of Thailand and represents one of the important agricultural and industrial areas in Southeast Asia. The Ping River is one major upstream branch flowing down slope southwardly, joining ...

DOAJ Open Access (DOAJ) DOI: 10.1515/geo-2019-0013

Detecting the dominant contributions of runoff variance across the source region of the Yellow River using a new decomposition framework

Jingkai Xie, Yue-Ping Xu, Yuxue Guo, Yitong Wang • Hydrology Research (2021)

Quantifying the contributions of climatic variables to runoff variance is still a great challenge to water resource management. This study adopted an extended Budyko framework to investigate the effects of terrestrial water storage changes ...

DOAJ Open Access (DOAJ) DOI: 10.2166/nh.2021.179

Effects of match period and playing position on the individual and collective dynamics in professional soccer: a case study

Gibson Moreira Praça, André Gustavo Pereira de Andrade, Sarah da Glória Teles Bredt, Pedro Emilio Drumond Moreira et al. • Revista Brasileira de Cineantropometria e Desempenho Humano (2020)

This study aimed to compare the width, the length, the length per width ratio, and the stretch index between the first and the second halves in official soccer matches, and to compare the spatial exploration index between players from diffe...

DOAJ Open Access (DOAJ)