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Academic Articles & Research Papers
Showing 20 of 4,934 academic articles
Ju Jia, Zhaoxia Xiang, Lina Wang, Yan Xu • IEEE Access
(2019)
Steganography is to embed secret information into digital media and minimize the distortion caused by data embedding. The JPEG is a widely used image compression format, and many JPEG images transmitted on the network are double compressed....
DOAJ
Open Access (DOAJ)
DOI: 10.1109/ACCESS.2019.2926226
Hiroki Senshu, Takahide Mizuno, Toru Nakura, Ryo Suetsugu et al. • Progress in Earth and Planetary Science
(2025)
Abstract The spacecraft for the Japanese Martian Moon eXploration mission is equipped with a LIDAR laser altimeter. The slant range continuously measured by the LIDAR is used for the correction of the local topography and the orbit and atti...
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Open Access (DOAJ)
DOI: 10.1186/s40645-025-00705-7
M. K. Mehta, M. Zaaijer, D. von Terzi • Wind Energy Science
(2024)
Traditionally, wind turbine and wind farm designs have been optimized to minimize the cost of energy. Such a design would make sense when bidding in price-based auctions. However, in a future with a high share of renewables and zero subsidi...
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Open Access (DOAJ)
DOI: 10.5194/wes-9-2283-2024
Wenjie Tian, Lili Zhang, Tao Yu, Dong Yao et al. • Atmosphere
(2024)
CO2 is one of the primary greenhouse gases impacting global climate change, making it crucial to understand the spatiotemporal variations of CO2. Currently, commonly used satellites serve as the primary means of CO2 observation, but they of...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/atmos15080985
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
Jurgen Vanhamel, Marc Berwaerts, Stefano Speretta, Sevket Uludag • Atmosphere
(2024)
Current monitoring systems to detect sporadic E use ground-based setups, ionosondes, and the network of GNSS satellites in order to assess the phenomenon of sporadic E. This paper aims to monitor sporadic E using a miniature space-based pla...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/atmos15111306
Giulia Pascoletti, Filippo Cianetti, Giovanni Putame, Mara Terzini et al. • Frontiers in Bioengineering and Biotechnology
(2018)
The Marchetti-Vicenzi's nail is an intramedullary device where six curved nails are kept straight by a closing ring in order to allow their insertion into the medullary canal of a long bone; in a following step, these nails stabilize the fr...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fbioe.2018.00174
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
Michal Elkind, Itamar Cohen, David Blackman, Talia Meir et al. • Scientific Reports
(2023)
Abstract Intense laser fields interact very differently with micrometric rough surfaces than with flat objects. The interaction features high laser energy absorption and increased emission of MeV electrons, ions, and of hard x-rays. In this...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-023-48866-z
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
Rhoda Dadzie-Dennis, Samuel K.-B. Dzidzornu • Journal of Applied Mathematics
(2026)
The study contributes a contemporary perspective to the evolving discourse on the relative performance of three managed investing styles: Deep Value, Growth, and Blended portfolios. Deep Value investing focuses on fundamentally strong but u...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/jama/8261109
Marie Gaille, Marco Araneda, Clément Dubost, Clémence Guillermain et al. • BMC Medical Ethics
(2020)
Abstract Background The discovery of biomarkers of ageing has led to the development of predictors of impending natural death and has paved the way for personalised estimation of the risk of death in the general population. This study inten...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12910-020-00502-5
Sylvester Sebola, Niladri Chakraborty, Morné Rowan Sjölander • Mathematics
(2026)
This paper proposes a combined maximal precedence–exceedance test (MPErs) that integrates maximal precedence and maximal exceedance statistics tests to provide sensitivity to both early and late distributional differences between two sample...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/math14203658
Pekka Korhonen, Francis K.C. Hui, Jenni Niku, Sara Taskinen et al. • PeerJ
(2025)
Background Over the past decade, joint species distribution models (JSDMs) and model-based ordination have emerged as powerful tools for the analysis of community ecology data. Generalized linear latent variable models (GLLVMs) offer a flex...
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Open Access (DOAJ)
DOI: 10.7717/peerj.20338
Jennifer Belt Antwi, Nana Kena Frempong • Mathematics in Medical and Life Sciences
(2026)
Background: The classic Wells–Riley model (CWRM) is a well-established framework for estimating airborne infection risk in shared indoor environments. This study extends the framework to simultaneously incorporate fecal–oral transmission, a...
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Open Access (DOAJ)
DOI: 10.1080/29937574.2026.2714847
Yan Dora Zhang, Amber N. Hurson, Haoyu Zhang, Parichoy Pal Choudhury et al. • Nature Communications
(2020)
In cancer many gene variants may contribute to disease etiology, but the impact of a given gene variant may have varied effect size. Here, the authors analyse summary statistics of genome-wide association studies from fourteen cancers, and ...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41467-020-16483-3
Samuel Kipsang Kaptum, Jane Aduda Akinyi, Philip Ngare, Amos Kipkorir Langat • Scientific African
(2025)
Herd behaviour in socio-economic systems is characterised by asynchronous, stochastic decision-making that traditional models capture imperfectly. Discrete-time DTMCs impose fixed-tick synchrony and require binning, which distorts event tim...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.sciaf.2025.e03042
Tristan Curteis, Augustine Wigle, Christopher J. Michaels, Adriani Nikolakopoulou • BMC Medical Research Methodology
(2025)
Abstract Background In network meta-analysis (NMA), the magnitude of difference between treatment effects is typically ignored in the calculation of ranking metrics, such as probability best and surface under the cumulative ranking curve (S...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12874-025-02499-0
Frank Kofi Owusu, Peter Amoako-Yirenkyi, Nana Kena Frempong, Akoto Yaw Omari-Sasu et al. • Heliyon
(2023)
In this extant paper, a multivariate time series model using the seemingly unrelated times series equation (SUTSE) framework is proposed to forecast the peak and short-term electricity demand using time series data from February 2, 2014, to...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.heliyon.2023.e18821
George Ukam, Charles Adams, Atinuke Adebanji, Williams Ackaah • Cogent Engineering
(2024)
The nature of paratransit services makes for increased uncertainty in trip time, leading to reported unreliability and dissatisfaction by the users. While providing travel information has proved helpful in formal bus services and has been r...
DOAJ
Open Access (DOAJ)
DOI: 10.1080/23311916.2024.2386383