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Academic Articles & Research Papers
Showing 20 of 817 academic articles
Salvator Lawrence, Srimuruganandam Bhathmanabhan • Sustainable Environment Research
(2026)
Abstract Accurate prediction of fine particulate matter (PM2.5) remains challenging because atmospheric processes are nonlinear, nonstationary, and influenced by temporal variability, measurement uncertainty, and episodic pollution events. ...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s42834-026-00296-y
Karine Sartelet, Jules Kerckhoffs, Eleni Athanasopoulou, Lya Lugon et al. • Environment International
(2025)
Mapping urban pollution is essential for assessing population exposure and addressing associated health impacts. High urban concentrations are due to the proximity of sources such as traffic or residential heating, and to urban density with...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.envint.2025.109474
Xinyi Li, Chen Sun, Huimin Meng, Xin Ma et al. • Remote Sensing
(2022)
Updated and accurate land cover maps are essential and crucial for sustainable crop production and efficient land management. However, accurate and efficient land cover mapping is still a challenge for agricultural regions with complicated ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/rs14092045
Noman Ali, Abdul Ahad Chhotani, Sannia Perwaiz Iqbal, Salman Muhammad Soomar et al. • International Journal of Emergency Medicine
(2023)
Abstract Background Many physicians use point-of-care ultrasound (PoCUS) in their clinical practice to improve their diagnostic capabilities, accuracy, and timeliness. Over the last two decades, the use of PoCUS in the emergency room has dr...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12245-023-00525-w
Wilson H. Hammett, James Macinko • International Journal for Equity in Health
(2026)
Abstract Introduction Existing quantitative studies of violence victimization in Brazil often examine individual demographic and socioeconomic risk factors, limiting insight into how identities can intersect to co-produce vulnerability or r...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12939-026-02818-x
V. V. Skalozub, I. V. Klymenko • Nauka ta progres transportu
(2018)
Purpose. The article is aimed to improve the automated systems operation of the railway technical system parks and switch D.C. electric motors (EMs), taking into account all uncertainties. Methodology. Solution of the problem was obtained t...
DOAJ
Open Access (DOAJ)
DOI: 10.15802/stp2018/141430
Xiao-Wei Guan, Li-Xin Guo, Ya-Jiao Wang, Qing-Liang Li • International Journal of Antennas and Propagation
(2018)
The parabolic equation method based on digital elevation model (DEM) is applied on propagation predictions over irregular terrains. Starting from a parabolic approximation to the Helmholtz equation, a wide-angle parabolic equation is deduce...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2018/1878307
Xia Liu, Marek E. Bialkowski • International Journal of Antennas and Propagation
(2010)
This paper reports investigations on the effect of antenna mutual coupling on performance of training-based Multiple-Input Multiple-Output (MIMO) channel estimation. The influence of mutual coupling is assessed for two training-based channe...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2010/213576
Ali Raza, Khaled Mohamed Elhadi, Muhammad Abid, Ahmed Farouk Deifalla et al. • Heliyon
(2024)
Waste tyre rubber has become an environmental and health concern that needs to be sustainably managed to avoid fire hazards and save natural resources. This research work aims to study the structural behavior of glass fiber reinforced polym...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.heliyon.2024.e26222
E. A. Dvoeglazov, O. A. Kozelkov, P. K. Dyakov • Вестник СибАДИ
(2026)
Introduction. The reliability of traction electric drive is a key factor determining the operational efficiency of urban electric transport. Bearing assemblies of electric motors remain one of the most common causes of failures leading to v...
DOAJ
Open Access (DOAJ)
DOI: 10.26518/2071-7296-2026-23-2-334-348
Xin Chen, Zhi Ye, Jun Yuan Xia, Jie Xiu Wang et al. • Applied Sciences
(2020)
To investigate the feasibility analysis of ultrasonic detection methods applied in the fatigue crack characteristics of steel structures, the double-probe ultrasonic detection method was applied to the prefabricated crack specimens fabricat...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/app10238436
Hoyoung Chung, Jin-Hwi Kim, Junseong Ahn, Yoona Chung et al. • Agriculture
(2026)
This paper presents a low-cost, fully on-premise Edge Artificial Intelligence (AI) system designed to support real-time pest and disease detection in open-field chili pepper cultivation. The proposed architecture integrates AI-Thinker ESP32...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/agriculture16020223
Luca Bonetti, John Ellis, Nikolaos E. Mavromatos, Alexander S. Sakharov et al. • Physics Letters B
(2017)
The photon mass, mγ, can in principle be constrained using measurements of the dispersion measures (DMs) of fast radio bursts (FRBs), once the FRB redshifts are known. The DM of the repeating FRB 121102 is known to ...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.physletb.2017.03.014
Vahid Torkzadeh, Saeed Toosizadeh • Measurement + Control
(2019)
In this paper, an automated inspection system is proposed for detecting the location and measuring the size of existing dipping or buckling on the sandwich panel surface using an RGB camera and an inexpensive linear laser. The proposed meth...
DOAJ
Open Access (DOAJ)
DOI: 10.1177/0020294019847706
Flávia Figueira, Matheus de Sá Freitas Tavares, Carla Betina Andreucci, Bernardino Geraldo Alves Souto et al. • Systematic Reviews
(2026)
Abstract Background People living with HIV (PLWH) have a markedly increased risk of cardiovascular disease (CVD), including cardiomyopathy, due to a complex interplay of chronic inflammation, viral persistence, and antiretroviral therapy (A...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s13643-026-03091-3
Wendy A. McDougald, Richard Collins, Mark Green, Adriana A. S. Tavares • Frontiers in Physics
(2017)
Obtaining accurate quantitative measurements in preclinical Positron Emission Tomography/Computed Tomography (PET/CT) imaging is of paramount importance in biomedical research and helps supporting efficient translation of preclinical result...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fphy.2017.00050
D. Deng, R. Qin, R. Qin, E. M. Farella et al. • The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
(2026)
Hybrid airborne imaging systems integrating oblique photogrammetric cameras and LiDAR sensors provide complementary geometric and radiometric information for high-fidelity 3D reconstruction. While LiDAR offers stable global geometric accura...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/isprs-archives-XLIX-B2-2026-143-2026
Wenyou Qiao, Zhishan Gao, Qun Yuan, Lu Chen et al. • Sensors
(2025)
High aspect ratio (HAR) sample-induced aberrations seriously affect the topography measurement for the bottom of the microstructure by coherence scanning interferometry (CSI). Previous research proposed an aberration compensating method usi...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/s25134085
Sachin Kumar, Mahendra Kumar Choudhary, T. Thomas • Scientific Reports
(2024)
Abstract Accurate streamflow prediction is crucial for effective water resource management and planning. This study aims to enhance streamflow simulation accuracy in the data-scarce Upper Narmada River Basin (UNB) by proposing a novel hybri...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-024-77655-5
Muluken Girma, A.T.M. van Knegsel, S. Heirbaut, L. Vandaele et al. • Journal of Dairy Science
(2023)
ABSTRACT: Early lactation metabolic imbalance is an important physiological change affecting the health, production, and reproduction of dairy cows. The aims of this study were (1) to evaluate the potential of test-day (TD) variables with o...
DOAJ
Open Access (DOAJ)
DOI: 10.3168/jds.2022-22702