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Academic Articles & Research Papers
Showing 20 of 736 academic articles
Cheng Liu, William Gaetz, Hongmei Zhu • EURASIP Journal on Advances in Signal Processing
(2010)
Time-varying coherence is a powerful tool for revealing functional dynamics between different regions in the brain. In this paper, we address ways of estimating evolutionary spectrum and coherence using the general Cohen's class distrib...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2010/390910
Elena Alexander, Kam W. Leong • Frontiers in Nanotechnology
(2025)
IntroductionNanomaterials are extensively utilized in applications ranging from electronics to biomedical therapies; however, their widespread use has prompted concerns about potential toxicity in humans. Understanding the biodistribution a...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fnano.2025.1512622
Yaser Pourmazaheri, Hamid Soltanian • Journal of Petroleum Science and Technology
(2015)
The design of cement slurry for horizontal wellbores is challenging as it must present very high quality cement slurry properties e.g. zero free water, less than 50 cc API fluid loss value, appropriate rheology and yield point for effective...
DOAJ
Open Access (DOAJ)
DOI: 10.22078/jpst.2015.504
Zahra Abdelmalek, M. Zubair Akbar Qureshi, S. Bilal, Qadeer Raza et al. • Case Studies in Thermal Engineering
(2021)
The consolidation power of different nanomaterials such as metallic nanoparticles and metallic-oxides nanoparticles in a new-fangled and energetic hybrid material should give rise to fascinating properties that combine the advantages of eac...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.csite.2020.100744
Maribel Hernández, Ricardo R. Ambriz, Christian García, David Jaramillo • Metals
(2020)
The gas metal arc welding (GMAW) process was used to weld 3003-H14 plates under restricted and unrestricted thermal expansion. Experimental and numerical analysis were conducted to determine the relation between weld thermal cycles and resi...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/met10060708
Kazuhei AOYAGI, Eiichi ISHII, Tsuyoshi ISHIDA • Journal of MMIJ
(2017)
In the construction of a deep underground facility, the hydromechanical properties of the rock mass around an underground opening are changed significantly due to stress redistribution. This zone is called an excavation damaged zone (EDZ). ...
DOAJ
Open Access (DOAJ)
DOI: 10.2473/journalofmmij.133.25
Wenjie Tong, Wanming Li, Ximin Zang, Huabing Li et al. • Metals
(2020)
A comprehensive mathematical model of electroslag remelting with two series-connected electrodes (TSCE-ESR) was constructed based on sequential coupling method. The influence of droplet effect on electroslag remelting process (ESR) was cons...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/met10050658
Juliana Zottis, Carla Adriana Theis Soares Diehl, Alexandre da Silva Rocha • Journal of Materials Research and Technology
(2018)
The purpose of this paper is to investigate the correlation of strain and hardness parameters in a drawing process chain of an SAE 1045 steel bar. The present work discusses the application of the experimental and numerical method of analys...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.jmrt.2018.01.004
Agostina Ronca, Sabrina Brenci, Luisa Santoriello, Anna Marchese et al. • Microbiologia Medica
(2007)
Background: Urinary tract infections (UTIs) are common infectious diseases that can be associated with substantial morbidity. During the last decade, resistance to ampicillin and co-trimoxazole has increased in Escherichia coli, the most co...
DOAJ
Open Access (DOAJ)
DOI: 10.4081/mm.2007.2603
Jing Zhu, Hui-Nan Wang, Qi-Yong Tang, Mei-Ying Gu et al. • Frontiers in Microbiology
(2024)
Altitude and ultraviolet (UV) radiation may affect the community composition and distribution of microorganisms in soil ecosystems. In this study, 49 soil samples from 10 locations were collected from different elevations on the eastern Pam...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fmicb.2024.1427806
Seyedkamal Vaezi, Mohammad Pedrami • پژوهشنامه روانشناسی مثبت
(2025)
This study aimed to systematically synthesize and prioritize the main factors influencing university students’ happiness and well-being. Employing a rigorous qualitative methodology based on interpretive meta-synthesis, the research compreh...
DOAJ
Open Access (DOAJ)
DOI: 10.22108/ppls.2026.142544.2560
Hidayat Ullah, Wanggen Wan, Saqib Ali Haidery, Naimat Ullah Khan et al. • ISPRS International Journal of Geo-Information
(2019)
Green parks are vital public spaces and play a major role in urban living and well-being. Research on the attractiveness of green parks often relies on traditional techniques, such as questionnaires and in-situ surveys, but these methods a...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/ijgi8110506
Guangwen Song, Jiajun Liang, Linlin Wu, Lin Liu et al. • ISPRS International Journal of Geo-Information
(2025)
In recent years, there has been a sharp increase in the number of online fraud cases. However, research on crime geography has paid little attention to online crimes, especially to the influencing factors behind their spatial distributions....
DOAJ
Open Access (DOAJ)
DOI: 10.3390/ijgi14040151
V. Vijaya Kumar, C. Ramesh Kumar, A. Suresh, S. Jayalakshmi et al. • Royal Society Open Science
(2018)
Four types of polybenzimidazole (PBI)-based polymers (m-PBI, p-PBI, pyridine-based m-PBI and alkylated m-PBI) have been prepared and characterized. Extraction behaviour of heavy metal ions, viz. U(VI), Th(IV) and Pd(II), with these polymers...
DOAJ
Open Access (DOAJ)
DOI: 10.1098/rsos.171701
Shuzhi Su, Penglian Gao, Yanmin Zhu, Xingzhu Liang et al. • IEEE Access
(2021)
In multi-view learning, massive literature is devoted to exploring the intrinsic structure between cross-views. It is well known that canonical correlation analysis (CCA) is a conventional multi-view learning method, which considers the cor...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/ACCESS.2021.3118023
Syed Bustan Fatima Warsi, Biranchi Panda, Pankaj Biswas • Developments in the Built Environment
(2023)
3D Concrete Printing (3DCP) is a growing field of sustainable technology that offers an avenue for rapid industrialisation of the construction industry. Over the years, many non-structural elements have been fabricated by 3D printing, thus ...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.dibe.2023.100295
Ibrahim Abbas, Aboelnour Abdalla, Areej Almuneef, Alaa A. El-Bary • Case Studies in Thermal Engineering
(2025)
This study investigates generalized thermoelastic interaction in porous asphaltic materials subjected to thermal loading, using fractional model with time-delay effects. The framework incorporates the Riemann-Liouville fractional derivative...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.csite.2025.106304
J.T. Ferreira, A. Bekker, M. Arashi • Revstat Statistical Journal
(2020)
This paper paves the way when the assumption of normality is challenged within the wireless communications systems arena. Innovative results pertaining to the distributions of quadratic forms and their associated eigenvalue density function...
DOAJ
Open Access (DOAJ)
DOI: 10.57805/revstat.v18i3.299
Chang Suk Lee, Kyung-Soo Han, Jong-Min Yeom, Kyeong-sang Lee et al. • GIScience & Remote Sensing
(2018)
The surface albedo is an essential climate variable that is considered in many applications used for predicting climate and understanding the mechanisms of climate change. In this study, surface albedo was estimated using a bidirectional re...
DOAJ
Open Access (DOAJ)
DOI: 10.1080/15481603.2017.1360578
Yener Ulus, Yener Ulus, Shaoyi Wang, Shaoyi Wang et al. • Frontiers in Environmental Science
(2025)
Wildfires are an integral component of Mediterranean ecosystems. The forest management practices implemented following such forest fires can significantly influence soil chemistry and metal dynamics. This study investigates the effects of d...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fenvs.2025.1661652