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Biliqees Ayoola ABDULMUMIN, Hafsat Olatanwa AFOLABI, Bashirat Oluwafunke OLOYIN-ABDULHAKEEM, Samuel Oluwapelumi OLOFINLADE et al. • Revista Científica Profundidad Construyendo Futuro
(2025)
The objective of our paper is to examine the nexus between firms' characteristics and debt maturity structure in Nigeria. The financial statements of all oil and gas listed firms in Nigeria between 2012 and 2023 provided the secondary data ...
DOAJ
Open Access (DOAJ)
DOI: 10.22463/24221783.5154
Yoga Adi Pratama, Muhammad Abdul Aris • Indonesian Interdisciplinary Journal of Sharia Economics
(2024)
This study aims to analyze the effects of capital intensity, audit quality, thin capitalization, and gender diversity on tax aggressiveness in state-owned enterprises (SOEs) listed on the Indonesia Stock Exchange (IDX) from 2020 to 2023. Th...
DOAJ
Open Access (DOAJ)
DOI: 10.31538/iijse.v8i1.6010
Yaya Wu, Yan Wen, Anan Guo, Jian Zhou et al. • Journal of Materials Research and Technology
(2023)
This work used electroshocking treatment (EST) plus external loading to regulate the microstructure of titanium matrix composites (TMCs). The external loading was 0.3 MPa. After EST plus external loading with 0.3 MPa, the α was reduced to 2...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.jmrt.2023.10.177
Deyu Jiang, Miao Luo, Changxi Liu, Yashuo Zhang et al. • Virtual and Physical Prototyping
(2025)
In this study, a Ti1.5Nb1Ta0.5Zr1Mo0.5 (TNTZM) high-entropy alloy was fabricated using laser powder bed fusion (LPBF). By integrating 63 sets of parameter trials with machine learning (ML) models, an optimised process window was identified,...
DOAJ
Open Access (DOAJ)
DOI: 10.1080/17452759.2025.2524524
Shihao Liang, Liang Gao, Yongfeng Zheng, Hao Li • Applied Sciences
(2020)
In recent years, the functionally graded materials (FGM) with cellular structure have become a hot spot in the field of materials research. For the continuously varying cellular structure in the layer-wise FGM, the connection of gradient ce...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/app10217449
Fuzhen Sun, Meng Liu, Baoming Wang, Na Yang et al. • Advances in Materials Science and Engineering
(2022)
Structures with negative Poisson’s ratios have wide applications in automotive design, owing to their excellent mechanical properties and good energy absorption capability. This type of structure can be used to design lightweight components...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2022/3726964
Jiu Yu, Yubo Hu, Yaoxing Peng • Case Studies in Thermal Engineering
(2026)
The wick structure functions as a core component for heat pipe (HP) and stands as one of the critical factors that dictate the performance of HP. Consequently, this paper puts forward an three-segmented composite wick structure, which is ma...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.csite.2026.107724
Talha İkbal Çığır, Melih Hakan Samur, Mevlüt Yasin Igdeli • International Journal of Automotive Science and Technology
(2025)
This study compares the friction performance of three commonly used cast brake disc materials in the automotive industry: the G3000 variant, GG20, and GG15 (high carbon content). Samples were tested on an inertia dynamometer following the S...
DOAJ
Open Access (DOAJ)
DOI: 10.30939/ijastech..1811564
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
James R. Webb, Ivan Parra Sanz • Galaxies
(2023)
We present the results of an in-depth analysis of the Whole Earth Blazar Telescope (WEBT) micro-variability observations made during a campaign done in 2020 on the blazar BL Lacertae. The data consisted of 231 days of optical imaging and we...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/galaxies11060108
Laura Gough, Rommel Miranda, Matthew Hemm, Leann Norman et al. • Journal of Microbiology & Biology Education
(2025)
ABSTRACT The Diffusion of Innovations (DOI) model can be used to explore how faculty prioritize learning about and adopting new pedagogical approaches. Here, we use the DOI framework to contextualize biology faculty perceptions of a profess...
DOAJ
Open Access (DOAJ)
DOI: 10.1128/jmbe.00215-24
Sebastiano Ettore Spoto, Roberta Somma • Heritage
(2026)
Natural earth pigments are polymineral materials whose present composition may differ from the source because of selection, grinding, heating, mixing, binder incorporation, and later alteration. This study develops a structured method for s...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/heritage9080322
Xin Wu • Studia Hercynia
(2023)
The sacred landscape of Central Asia consisted of various religions and ritual practices that grew out of local traditions. The latest archaeological excavations of the Iron Age cultic structures in Central Asia reveal a diverse array of ri...
DOAJ
Open Access (DOAJ)
Dimitri P. Papazoglou, Amy T. Neidhard-Doll, Margaret F. Pinnell, Dathan S. Erdahl et al. • Metals
(2024)
In an effort to contribute to the ongoing development of ASTM standards for additively manufactured metal lattice specimens, particularly within the field of medicine, the compressive and tensile mechanical properties of biomimetic lattice ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/met14020232
Baigang Mi, Hao Zhan • IEEE Access
(2019)
By considering the exclusion characteristics of foreign objects in a new intake system with a bypass duct for turboprop engines, two kinds of common rigid foreign objects, the grains, and metal pieces, are modeled based on airworthiness sta...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/ACCESS.2019.2916551
CHEN Qiang, LI Shun, ZHU Li'an, BAI Shuxin et al. • Cailiao gongcheng
(2023)
As one kind of advanced high temperature structural and functional materials, it is necessary for fiber reinforced silicon carbide matrix composites (SiC CMCs) in the field of thermal management (TM) to combine the efficient heat transfer a...
DOAJ
Open Access (DOAJ)
DOI: 10.11868/j.issn.1001-4381.2023.000079
Miisa J. Tavaststjerna, Stephen J. Picken, Santiago J. Garcia • Advanced Materials Interfaces
(2025)
Abstract Micropatterned surfaces with both hydrophilic and hydrophobic regions are relevant for a wide range of applications from fuel cells to water harvesting systems. The preferential nucleation of water on hydrophilic regions can also b...
DOAJ
Open Access (DOAJ)
DOI: 10.1002/admi.202400838
Yongbai Sha, Donghe Han, Donghu Chen, Congzhi Liu • Machines
(2024)
The iron roughneck is an automated piece of equipment utilized for the connection and removal of drilling tools. This paper presents the design of an integrated iron roughneck, providing a detailed introduction to its clamp body structure, ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/machines12080575
Džiugas Chvoinikov, Svyatoslav Novikov, Jonas Šiaulys • Axioms
(2026)
We investigate the asymptotic behavior of the product of Gaussian random variables, with a focus on tail probabilities. Although sums of normal variables are well understood through classical limit theorems, their products exhibit significa...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/axioms15060425
Rusakova, O.F., Rusakov, V.M., Moiseenko, Y.Yu. • Дискурс Пи
(2023)
The article aims to reveal the main features of the Bolshevik project to build
the Kingdom of Reason in the USSR, associated with the radical reformatting of the relationship between the rational and irrational in the establishment of the ...
DOAJ
Open Access (DOAJ)
DOI: 10.17506/18179568_2023_20_4_27