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Showing 20 of 7,733 academic articles
F. S. Aghaei Maybodi, M. H. Heydari, F. M. Maalek Ghaeini, M. H. Akrami • پژوهشهای ریاضی
(2021)
Introduction
Many mathematical formulations of physical phenomena contain integro-differential equations. These equations arise in fluid dynamics, biological models, chemical kinetics, ecology, control theory of financial mathematics, aeros...
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Open Access (DOAJ)
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
Wei Ma, Siping Zhai, Ping Zhang, Yaoqi Xian et al. • International Journal of Aerospace Engineering
(2018)
Liquid is overheated and evaporated quickly when it enters into the environment with lower saturation pressure than that corresponding to its initial temperature. This phenomenon is known as the flash evaporation. A natural low-pressure env...
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Open Access (DOAJ)
DOI: 10.1155/2018/3686802
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...
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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...
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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...
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Open Access (DOAJ)
DOI: 10.3390/atmos15111306
Majid Jamal-Omidi, Mohammad Reza Mohammadi Suki • Journal of Mechanical Engineering
(2018)
In this paper, effects of the defect in an adhesively bonded joint have been investigated using cohesive zone modeling. Consequently, a 3D finite element model of a single lap-joint is constructed and validated with experiments. Strength pr...
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Open Access (DOAJ)
DOI: 10.2478/scjme-2018-0023
Rong Wang, Yuxuan Cao, Jianye Liu, Zhi Xiong • International Journal of Aerospace Engineering
(2020)
An aerospace vehicle in high-speed flight involves distributed multiple fields of view (FoVs) of a star sensor, and the maneuvering of the vehicle requires inertial-aided star pattern matching. Accordingly, an inertial-aided star pattern ma...
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Open Access (DOAJ)
DOI: 10.1155/2020/2676210
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...
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Open Access (DOAJ)
DOI: 10.3389/fbioe.2018.00174
Yu Wang, Kun Zhou • Green Energy & Environment
(2022)
Two-dimensional (2D) materials have exhibited great potential for replacing costly Pt for oxygen reduction reaction (ORR) because of their distinctive structural features and high pre-site activity. However, their performance is generally h...
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Open Access (DOAJ)
DOI: 10.1016/j.gee.2020.11.003
Meiling Zhou, Linlin Lu, Huadong Guo, Qihao Weng et al. • Remote Sensing
(2021)
Sustainable development in urban areas is at the core of the implementation of the UN 2030 Agenda and the Sustainable Development Goals (SDG). Analysis of SDG indicator 11.3.1—Land-use efficiency based on functional urban boundaries—provide...
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Open Access (DOAJ)
DOI: 10.3390/rs13152850
Thenmozhi D, M. Eswara Rao, Ch. Nagalakshmi, RLV.Renuka Devi et al. • International Journal of Thermofluids
(2024)
The current study presents a novel examination of heat transfer properties in a magnetohydrodynamic (MHD) flow of Casson fluid across a porous stretching sheet, uniquely incorporating the effects of heat source and variable viscosity. Unlik...
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Open Access (DOAJ)
DOI: 10.1016/j.ijft.2024.100804
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...
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Open Access (DOAJ)
DOI: 10.1002/admi.202400838
Mohamed Afifi, Mohamed Afifi, Muhammad Uba Abdulazeez, Muhammad Uba Abdulazeez et al. • Frontiers in Bioengineering and Biotechnology
(2025)
Road traffic crashes are the leading cause of injuries, disabilities, and fatalities for children and young adults. Extremity joint injuries have been identified as one of the contributing factors to chronic disabilities among children in r...
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Open Access (DOAJ)
DOI: 10.3389/fbioe.2025.1667865
Han Xiao, Han Xiao, Xiaoqian Zhang, Xiaoqian Zhang et al. • Frontiers in Environmental Science
(2022)
Forest disturbance monitoring can provide scientific data for the decision making and management of nature reserves. LandTrendr algorithm has been applied to identify forest disturbances on a long-time scale through appropriate segmentation...
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Open Access (DOAJ)
DOI: 10.3389/fenvs.2022.891752
Yaqiong Zhang, Fubin Wang, Jinchao Liu, Heng Zhao et al. • Aerospace
(2024)
The rotating blade is a key component of an aero-engine, and its vibration characteristics have an important impact on the performance of the engine and are vital for condition monitoring. This paper reviews the research progress of blade d...
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Open Access (DOAJ)
DOI: 10.3390/aerospace11080638
Senyefia Bosson-Amedenu, Emmanuel Ayitey, Francis Ayiah-Mensah, Luyton Asare • BMC Cancer
(2025)
Abstract Background Frailty models are extensively utilized in survival analysis to address unobserved heterogeneity among individuals. However, selecting the most robust model for survival prediction, especially in the context of high-dime...
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Open Access (DOAJ)
DOI: 10.1186/s12885-025-14040-z
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...
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Open Access (DOAJ)
DOI: 10.1186/s12910-020-00502-5
Muhammad Adil Khan, Hidayat Ullah, Tareq Saeed, Zaid M. M. M. Sayed et al. • Complexity
(2024)
The field of mathematical inequalities has exerted a profound influence across a multitude of scientific disciplines, making it a captivating and expansive domain ripe for research investigation. This article offers estimations for the Slat...
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Open Access (DOAJ)
DOI: 10.1155/2024/8481103
Asfand Fahad, Zammad Ali, Shigeru Furuichi, Yuanheng Wang • Alexandria Engineering Journal
(2025)
Due to applicability of mathematical inequalities in control systems, actuarial science, information theory and its utilization in other sciences, several researchers are inclined to prove their refinements and generalizations. In the study...
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Open Access (DOAJ)
DOI: 10.1016/j.aej.2024.11.034