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Academic Articles & Research Papers
Showing 20 of 2,610 academic articles
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
Chao Wang, Xiaoyi Chen, Jiandong Zhang, Yongping Wu • Advances in Civil Engineering
(2020)
This paper is aimed at the inverted arch support instability of track roadway with mining level +1100 m in Liuyuanzi Coal Mine. By means of field investigation, theoretical analysis, numerical calculation, and engineering practice, the inst...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2020/8814365
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
WANG Xiao-ya • Gong-kuang zidonghua
(2013)
Electromagnetic interference mechanism of interconnect cables was analyzed, and mathematical model of multi-conductor interconnect crosstalk coupling was established. Capacitance matrix and inductance matrix of mine-used four-core interconn...
DOAJ
Open Access (DOAJ)
Veronica Obregon-Perko, Amanda Mannino, Jason T. Ladner, Vida Hodara et al. • Frontiers in Cellular and Infection Microbiology
(2024)
While simian immunodeficiency virus (SIV) infection is non-pathogenic in naturally infected African nonhuman primate hosts, experimental or accidental infection in rhesus macaques often leads to AIDS. Baboons, widely distributed throughout ...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fcimb.2024.1408245
Kaixuan Zhang, Huihui Li, Yuanyuan Xu, Sudi Zhu et al. • Frontiers in Cellular and Infection Microbiology
(2026)
BackgroundCarbapenem-resistant Klebsiella pneumoniae (CRKP) remains an infection-control challenge. We assessed whether admission immuno-nutritional status, measured by the Prognostic Nutritional Index (PNI), is associated with the CRKP phe...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fcimb.2026.1828441
Joachim Kloehn, Rebecca D. Oppenheim, Ghizal Siddiqui, Pieter-Jan De Bock et al. • BMC Biology
(2020)
Abstract Background Acetyl-CoA is a key molecule in all organisms, implicated in several metabolic pathways as well as in transcriptional regulation and post-translational modification. The human pathogen Toxoplasma gondii possesses at leas...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12915-020-00791-7
Stewart F. Graham, Nolwen L. Rey, Zafer Ugur, Ali Yilmaz et al. • Metabolites
(2018)
For people with Parkinson’s disease (PD), considered the most common neurodegenerative disease behind Alzheimer’s disease, accurate diagnosis is dependent on many factors; however, misdiagnosis is extremely common in the prodrom...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/metabo8040071
Sukran Kose, Gulfem Ece, Ayhan Gozaydin, Melda Turken • Journal of Infection in Developing Countries
(2012)
Introduction: Hepatitis delta virus (HDV) is an incomplete virus dependent on hepatitis B virus (HBV) for its multiplication. It can infect individuals with active HBV infection and cause severe liver disease. It is less prevalent than hepa...
DOAJ
Open Access (DOAJ)
DOI: 10.3855/jidc.1749
Huimin Guo, Huimin Guo, Sen Wang, Haizheng Wang et al. • Frontiers in Endocrinology
(2025)
ObjectiveThe triglyceride - glucose (TyG) index has been confirmed as an independent risk factor for ischemic stroke (IS) in numerous studies. In terms of the role of carotid ultrasound in the risk assessment of IS, the focus has shifted fr...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fendo.2025.1481676
Sy Taffel • Westminster Papers in Communication and Culture
(2015)
This paper asks how coltan, casseterite, wolframite and gold ores mined in the Democratic Republic of Congo relate networked microelectronics to brutal warlords, and what legal and industrial actions have been enacted by activists, NGOs, po...
DOAJ
Open Access (DOAJ)
DOI: 10.16997/wpcc.210
Helena Frielingsdorf, Victoria Fomichov, Ingrid Rystedt, Sofia Lindstrand et al. • Scientific Reports
(2025)
Abstract Although previous studies have suggested an association between digital media use and health, detailed knowledge about how different types of digital media impact adolescent health is limited. This cross-sectional population-based ...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-024-83951-x
ZHOU Tao;TANG Jianyu;ZHANG Fan;LIU Wenbin • Yuanzineng kexue jishu
(2022)
The movement and deposition of nanoparticles in supercritical carbon dioxide is a current international frontier subject. In the development of new nuclear reactors, using supercritical carbon dioxide Brayton cycle instead of traditional st...
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Open Access (DOAJ)
Yulia M. T. A. Putri, Muhammad I. Syauqi, Isnaini Rahmawati, Aliyah Aliyah et al. • ChemElectroChem
(2024)
Abstract The growing demand for sustainable energy sources has spurred significant studies to optimize the potency of fuel cell technology. Direct urea fuel cell (DUFC) has gained attention due to their energy density, eco‐friendliness, and...
DOAJ
Open Access (DOAJ)
DOI: 10.1002/celc.202300637
Margaret E. Tait, Erika Franklin Fowler, Sarah E. Gollust • Preventive Medicine Reports
(2025)
Objective: To examine the content of public service announcements (PSAs) sponsored by the United States federal government to promote the COVID-19 vaccine and reveal if PSAs included content that countered health skepticism. Methods: A cont...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.pmedr.2025.103193
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
Böser Sebastian • EPJ Web of Conferences
(2013)
Even with an accumulated data set from an integrated six years of lifetime from the Auger experiment, no point sources of charged cosmic rays have be identified at the highest energies. Significantly increased apertures such as promised by ...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/epjconf/20125211003
Md. Jisan Mahmud, Ahmed Imtiaz Rais, Md. Rakib Hossain, Sumon Saha • Heliyon
(2022)
The current study investigates conjugate mixed convection heat transmission with internal heat generation in a square enclosure driven by a sliding lid and a solid cylinder with a heat-conducting surface at its center. The enclosure has a s...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.heliyon.2022.e11968
Tanimu Kogi Ibrahim, Danjuma Saleh Yawas, Julius Thaddaeus, Bashar Danasabe et al. • Scientific Reports
(2024)
Abstract This study focuses on optimizing double stir casting process parameters to enhance the tensile strength of hybrid composites comprising aluminum alloy, brown pumice, and coal ash, intended for brake disc applications. Analytical te...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-024-67476-x