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Academic Articles & Research Papers
Showing 20 of 2,095 academic articles
Ramzi A. Abd Alsaheb, Mohammed A. Atyia, Jaafar Kamil Abdullah, Azza Hashim Abbas • Al-Khawarizmi Engineering Journal
(2023)
Succinic acid is an essential base ingredient for manufacturing various industrial chemicals. Succinic acid has been acknowledged as one of the most significant bio based building block chemicals. Rapid demand for succinic acid has been not...
DOAJ
Open Access (DOAJ)
DOI: 10.22153/kej.2023.01.002
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
Hang Lei, Wenjibin Sun, Yujun Zuo, Zhonghu Wu et al. • Scientific Reports
(2025)
Abstract The micromechanical properties of organic matter (OM) and organic pore structures in the over-mature stage are crucial for determining shale reservoir quality and assessing shale gas resource potential. However, there is still deba...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-025-89164-0
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
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
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
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
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
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
Rebecca M. Boys, Ngaio J. Beausoleil, Matthew D. M. Pawley, Katherine E. Littlewood et al. • Royal Society Open Science
(2022)
Management of live cetacean strandings generally focuses on refloating animals, yet there is a lack of scientific data to inform decision-making. Valid indicators that are practical to measure are needed to assess welfare status and surviva...
DOAJ
Open Access (DOAJ)
DOI: 10.1098/rsos.220646
Wuwei Feng, Hongya Chen, Qingping Zou, Di Wang et al. • Energies
(2024)
Wireless monitoring systems for the marine environment are important for rapidly growing subsea developments. The power supply of wireless sensor nodes within the monitoring systems, however, is a major challenge. This study proposes a nove...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/en17040876
Claudio Tomi-Andrino, Alina Pandele, Klaus Winzer, John King et al. • Scientific Reports
(2022)
Abstract The manifestation of intra- and inter-tumor heterogeneity hinders the development of ubiquitous cancer treatments, thus requiring a tailored therapy for each cancer type. Specifically, the reprogramming of cellular metabolism has b...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-022-14721-w
Mariet Jose, R. Dinesh Raj, M. R. Vinitha, Remya Madhu et al. • Frontiers in Plant Science
(2018)
Fully domesticated rice is considered to have emerged in India at approximately 2000 B.C., although its origin in India remains a contentious issue. The fast-growing 60-days rice strain described in the Vedic literature (1900–500 B.C.) and ...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fpls.2018.01203
Yong-Min Li, M. Ijaz Khan, Sohail A. Khan, Sami Ullah Khan et al. • Scientific Reports
(2021)
Abstract Entropy optimization in convective viscous fluids flow due to a rotating cone is explored. Heat expression with heat source/sink and dissipation is considered. Irreversibility with binary chemical reaction is also deliberated. Nonl...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-021-89739-7
Aki Sugano, Yutaka Takaoka, Haruyuki Kataguchi, Mika Ohta et al. • Microorganisms
(2022)
Previously, we developed a mathematical model via molecular simulation analysis to predict the infectivity of six SARS-CoV-2 variants. In this report, we aimed to predict the relative risk of the recent new variants of SARS-CoV-2 based on o...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/microorganisms10102090
Alexander A. Polonnikov • RUDN Journal of Psychology and Pedagogics
(2025)
The article is dedicated to the 85th anniversary of Viktor P. Sheinov, a Belarusian-Russian scientist, Doctor of Sociological Sciences, Candidate of Physical and Mathematical Sciences, Academician of the International Academy of Information...
DOAJ
Open Access (DOAJ)
DOI: 10.22363/2313-1683-2025-22-1-223-234
Pablo N. Refolio-Samperi, Elena Adaschewski, Dieter Hanelt, Abdelfatah Abomohra • Applied Food Research
(2025)
The present study evaluated a two-stage process of Haematococcus sp. to enhance the nutritional value by astaxanthin and fatty acid accumulation. Initial screening of different growth media during the green stage, focusing on enhanced bioma...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.afres.2025.101144
Ofélia Godinho, Olga Maria Lage, Sandra Quinteira • Antibiotics
(2026)
Background/Objectives: It is of the utmost importance to study environmental bacteria, as these microorganisms remain poorly characterized regarding their diversity, antimicrobial resistance, and impact on the global ecosystem. This knowled...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/antibiotics15010110
Nguyen Dinh-Hung, Samuel Mwakisha Mwamburi, Ha Thanh Dong, Channarong Rodkhum et al. • Animals
(2024)
This study aims to genomically elucidate six isolates of rapidly growing non-tuberculous mycobacteria (RGM) derived from Siamese fighting fish (Betta splendens). These isolates had previously undergone phenotypic and biochemical characteriz...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/ani14192833