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Showing 20 of 2,986 academic articles
Mahdi Mottaghipour • آموزش مهندسی ایران
(2016)
Although 3D printing is only two decades old, dramatic improvements have occurred in the production cycle. At the present time many big industrial centers, such as the automotive industry, medical equipment industry, military industries, as...
DOAJ
Open Access (DOAJ)
DOI: 10.22047/ijee.2016.16243
Xiao-Xiao Han, Jia Qiao, Zhan-Ao Meng, Dong-Mei Pan et al. • Brain Sciences
(2023)
Objectives: Investigate the biomechanical characteristics in tracheostomized patients with aspiration following acquired brain injury (ABI) and further explore the relationship between the biomechanical characteristics and aspiration. Metho...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/brainsci13010091
Roberto López-Chila, Henry Abad-Reyna, Joao Morocho-Cajas, Pablo Fierro-Jimenez • Vehicles
(2025)
Standardized driving cycles such as the FTP-75 fail to represent traffic conditions in cities like Guayaquil, where high congestion and varied driving behaviors are not captured by external models. This study aimed to develop representative...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/vehicles7030095
Ya Yang, Chuanchang Li, Xiaonan Hou, Chunlei Wang et al. • AIP Advances
(2022)
Conventional spray particle detection methods have disadvantages such as spray field interference, large subjective standard error, and an inability to specifically analyze the spray particle movement. Manual methods used the uniformity of ...
DOAJ
Open Access (DOAJ)
DOI: 10.1063/5.0083129
Patrick Rufangura, Iryna Khodasevych, Arti Agrawal, Matteo Bosi et al. • Nanomaterials
(2021)
The mid-infrared (MIR) is an exciting spectral range that also hosts useful molecular vibrational fingerprints. There is a growing interest in nanophotonics operating in this spectral range, and recent advances in plasmonic research are aim...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/nano11092339
Zarubina K.A. • Вестник Брянского государственного университета
(2022)
Using the example of the Kursk province, the article examines the main methods of government work with persons with dubious «political reliability», «potential» and «real» political criminals in the second half of the XIX - early XX centuri...
DOAJ
Open Access (DOAJ)
DOI: 10.22281/2413-9912-2022-06-02-57-62
P. Clini, R. Nespeca, A. Bernetti • The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
(2013)
The aim of this paper is to describe the results of the laser scanner survey of an archaeological complex, aimed at knowledge,
documentation and diagnostic operations to make premises secure. Archaeology has always been the most complex su...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/isprsarchives-XL-5-W2-201-2013
Umerenkova Olga V. • Поволжская археология
(2017)
The article considers issues related to the principals of scientific approach, methods and procedure of costume reconstruction on the basis of archaeological materials dating back to the Bronze Age discovered in the territory of Western Sib...
DOAJ
Open Access (DOAJ)
DOI: 10.24852/pa2017.3.21.280.288
Ju Jia, Zhaoxia Xiang, Lina Wang, Yan Xu • IEEE Access
(2019)
Steganography is to embed secret information into digital media and minimize the distortion caused by data embedding. The JPEG is a widely used image compression format, and many JPEG images transmitted on the network are double compressed....
DOAJ
Open Access (DOAJ)
DOI: 10.1109/ACCESS.2019.2926226
F. S. Aghaei Maybodi, M. H. Heydari, F. M. Maalek Ghaeini, M. H. Akrami • پژوهشهای ریاضی
(2021)
Introduction
Many mathematical formulations of physical phenomena contain integro-differential equations. These equations arise in fluid dynamics, biological models, chemical kinetics, ecology, control theory of financial mathematics, aeros...
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Open Access (DOAJ)
Yevhenii Kovryzhenko, Ehsan Taheri • Drones
(2025)
Motion planning is critical for ensuring precise and efficient operations of unmanned aerial vehicles (UAVs). While polynomial parameterization has been the prevailing approach, its limitations in handling complex trajectory requirements ha...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/drones9010077
Yaqiong Zhang, Fubin Wang, Jinchao Liu, Heng Zhao et al. • Aerospace
(2024)
The rotating blade is a key component of an aero-engine, and its vibration characteristics have an important impact on the performance of the engine and are vital for condition monitoring. This paper reviews the research progress of blade d...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/aerospace11080638
Senyefia Bosson-Amedenu, Emmanuel Ayitey, Francis Ayiah-Mensah, Luyton Asare • BMC Cancer
(2025)
Abstract Background Frailty models are extensively utilized in survival analysis to address unobserved heterogeneity among individuals. However, selecting the most robust model for survival prediction, especially in the context of high-dime...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12885-025-14040-z
Marie Gaille, Marco Araneda, Clément Dubost, Clémence Guillermain et al. • BMC Medical Ethics
(2020)
Abstract Background The discovery of biomarkers of ageing has led to the development of predictors of impending natural death and has paved the way for personalised estimation of the risk of death in the general population. This study inten...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12910-020-00502-5
Pekka Korhonen, Francis K.C. Hui, Jenni Niku, Sara Taskinen et al. • PeerJ
(2025)
Background Over the past decade, joint species distribution models (JSDMs) and model-based ordination have emerged as powerful tools for the analysis of community ecology data. Generalized linear latent variable models (GLLVMs) offer a flex...
DOAJ
Open Access (DOAJ)
DOI: 10.7717/peerj.20338
Jennifer Belt Antwi, Nana Kena Frempong • Mathematics in Medical and Life Sciences
(2026)
Background: The classic Wells–Riley model (CWRM) is a well-established framework for estimating airborne infection risk in shared indoor environments. This study extends the framework to simultaneously incorporate fecal–oral transmission, a...
DOAJ
Open Access (DOAJ)
DOI: 10.1080/29937574.2026.2714847
Šoltés Erik, Vojtková Mária, Šoltésová Tatiana • Moravian Geographical Reports
(2020)
With respect to the fulfillment of the objectives of the Europe 2020 strategy, the threat of poverty and social exclusion has not been sufficiently reduced in the European Union (EU) over the past decade, and large regional disparities pers...
DOAJ
Open Access (DOAJ)
DOI: 10.2478/mgr-2020-0001
Eric Nyarko, Irene A. Kretchy, Grace Lovia Allotey-Babington, Adwoa Oforiwaa Kwakye et al. • BMC Infectious Diseases
(2026)
Abstract Background Poor adherence to antiretroviral therapy (ART) continues to undermine HIV treatment outcomes in sub-Saharan Africa, including Ghana. Objective This study aimed to quantify ART treatment adherence among people living with...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12879-026-13836-z
Tristan Curteis, Augustine Wigle, Christopher J. Michaels, Adriani Nikolakopoulou • BMC Medical Research Methodology
(2025)
Abstract Background In network meta-analysis (NMA), the magnitude of difference between treatment effects is typically ignored in the calculation of ranking metrics, such as probability best and surface under the cumulative ranking curve (S...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12874-025-02499-0
Peter Olusakin Oladoye, Timothy Oladiran Ajiboye, Wycliffe Chisutia Wanyonyi, Elizabeth Oyinkansola Omotola et al. • Sustainable Chemistry for the Environment
(2023)
The extensive usage of malachite green (MG) dyes in the fish and dye industries cause serious water pollution, leading to catastrophic effects on living organisms and the environment. In addressing the challenges of health risks related to ...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.scenv.2023.100033