Home »
Academic Articles & Research Papers
Showing 20 of 380 academic articles
Chaiwongsaen Nikhom, Nimnate Parisa, Choowong Montri • Open Geosciences
(2019)
The Chao Phraya River flows in the largest river basin of Thailand and represents one of the important agricultural and industrial areas in Southeast Asia. The Ping River is one major upstream branch flowing down slope southwardly, joining ...
DOAJ
Open Access (DOAJ)
DOI: 10.1515/geo-2019-0013
Indrajeet MALLICK, Daniel MIRAVET, Aaron GUTIÉRREZ • Geo Journal of Tourism and Geosites
(2022)
The impact of the COVID-19 on tourist satisfaction is a particular relevant issue, due to the role that elements such as the prevention measures implemented at the destination might play. For this reason, this article examines tourist satis...
DOAJ
Open Access (DOAJ)
DOI: 10.30892/gtg.454spl20-991
Amanda Sengeløv, Giacomo Capuzzo, Sarah Dalle, Hannah F. James et al. • Geoderma
(2025)
Understanding the spatial distribution of strontium isotopes in plants or other archives within a region is crucial for various fields, including archaeology, environmental studies, food sciences and forensic science. This study aims to cre...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.geoderma.2024.117123
Marianne Mahler, Anne Clancy, Aud Johannessen, Johanne Lind et al. • Nordisk Tidsskrift for Helseforskning
(2020)
Nordic Health Promotion Perspectives on Older Adults Participation and Sense og Security
Demographic changes and the growing elderly population in Scandinavia provide an incentive to study Health Ageing in the Nordic Countries. The chose...
DOAJ
Open Access (DOAJ)
DOI: 10.7557/14.5176
K.-M. Erkkilä, A. Ojala, A. Ojala, A. Ojala et al. • Biogeosciences
(2018)
Freshwaters bring a notable contribution to the global carbon budget by
emitting both carbon dioxide (CO2) and methane (CH4) to the atmosphere.
Global estimates of freshwater emissions traditionally use a wind-speed-based
gas transfer ve...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/bg-15-429-2018
Teresa Fish, Teresa Fish, Nathan Wolf, Timothy Scott Smeltz et al. • Frontiers in Marine Science
(2022)
Developing a robust understanding of Pacific halibut reproductive biology is essential to understanding the different components (e.g. maturity) that determine the reproductive output of the species and, therefore, for estimating the relati...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fmars.2022.801759
Li Zhao, Bing Fu, Sha Bai • Journal of Theoretical and Applied Electronic Commerce Research
(2025)
While consumers experience shopping convenience through personalized recommendations, they are increasingly concerned about their consumption behavior being manipulated, leading to psychological resistance towards personalized recommendatio...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/jtaer20010032
José Crispín Zavala Díaz, Dalia Vianey García Villagomez • Programación Matemática y Software
(2009)
En este artículo se presenta el modelo matemático para la selección de una cartera de inversión con el máximo rendimiento y el mínimo riesgo, el cual es resuelto utilizando el método SIMPLEX. Los dos problemas se resuelven en forma independ...
DOAJ
Open Access (DOAJ)
Nur Asrawati, Sitti Fatimah Sangkala Sirate • MaPan: Jurnal Matematika dan Pembelajaran
(2022)
This study aims to determine the increase in students' mathematical creativity through the auditory, intellectual, repetition (AIR) learning model in class XI students of SMK Techno Terapan Makassar. Creativity referred to in this study pay...
DOAJ
Open Access (DOAJ)
DOI: 10.24252/mapan.2022v10n2a5
Lin Li, Li Liu, Shalin Huang, Shibiao Lv et al. • Journal of Cloud Computing: Advances, Systems and Applications
(2022)
Abstract The evolving intercloud enables idle resources to be traded among cloud providers to facilitate utilization optimization and to improve the cost-effectiveness of the service for cloud consumers. However, several challenges are rais...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s13677-022-00286-6
Saeed Dinarvand • Journal of Applied Mathematics
(2012)
The steady three-dimensional flow of condensation or spraying on inclined spinning disk is studied analytically. The governing nonlinear equations and their associated boundary conditions are transformed into the system of nonlinear ordinar...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2012/634102
Weike Lu, Feng Wang, Lan Liu, Guojing Hu et al. • Transport
(2021)
Planning for a bus-based regional evacuation is essential for emergency preparedness, especially for hurricane or flood prone urban environments with large numbers of transit-dependent or transit-captive populations. This paper develops an ...
DOAJ
Open Access (DOAJ)
DOI: 10.3846/transport.2020.13674
Alan Bates, Nancy I. Latham, Jinah Kim • School Science and Mathematics
(2011)
This study examined preservice teachers' mathematics self‐efficacy and mathematics teaching efficacy and compared them to their mathematical performance. Participants included 89 early childhood preservice teachers at a Midwestern universit...
OPENALEX
DOI: https://doi.org/10.1111/j.1949-8594.2011.00095.x
Khan Mohsin, Sheheryar Shah, Amra Al Kenany, Meshal Shutaywi et al. • Discover Nano
(2026)
Abstract In the modern era, energy has become a vital concern across all sectors, while efficient energy generation remains a significant challenge for scientists and engineers. To overcome this issue, researchers have developed ternary hyb...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s11671-026-04821-1
Leila Slimane, Souad Ayadi, Ozgur Ege, Ahmad Aloqaily et al. • Journal of Inequalities and Applications
(2026)
Abstract In this study, we establish existence and Ulam-Hyers results for nonlinear sequential fractional differential equations involving the deformable derivative. We employ the Banach contraction principle and Krasnoselskii’s theorem to ...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s13660-026-03510-y
Junhui Xie, Pengfei Li • Electronic Journal of Differential Equations
(2025)
This article studies the existence of solutions for the fractional p-Laplacian problem $$\displaylines{
(-\Delta)_p^su=\lambda|u|^{q-2}u+ \frac{|u|^{r-2}u}{|x|^\alpha},
\quad \hbox{in } \Omega,\cr
{N}_{s,p}u(x)+\beta(x)|u|^{p-2}u=0,
\qua...
DOAJ
Open Access (DOAJ)
DOI: 10.58997/ejde.2025.13
Liuna Qin, Changguo Xiao, Yinghui Zhang • Electronic Journal of Differential Equations
(2022)
We investigate optimal decay rates for higher-order spatial derivatives of solutions to the 3D compressible
Navier-Stokes-Poisson equations with external force. The main novelty of this article is twofold: First, we prove the first and seco...
DOAJ
Open Access (DOAJ)
DOI: 10.58997/ejde.2022.64
Yoshinori Marunaka, M.D., Ph.D., Katsumi Yagi, Ph.D. • Computational and Structural Biotechnology Journal
(2021)
Intracellular protein trafficking processes consisting of three intracellular states are described by three differential equations. To solve the equations, a quadratic equation is required, and its roots are generally real or complex. The p...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.csbj.2021.04.053
Reinhard Busse, Matthias Perleth, Bernhard Gibis, Ansgar Gerhardus et al. • Medizinisch Wissenschaftliche Verlagsgesellschaft eBooks
(2023)
Die Bedeutung von Health Technology Assessment (HTA) als Grundlage für evidenzbasierte Entscheidungen im Gesundheitswesen hat in den letzten Jahren noch einmal zugenommen. Bei allen Entscheidungen über die Erstattungsfähigkeit von medizinis...
OPENALEX
DOI: https://doi.org/10.32745/9783954668878
Oksana V. Klochko, Vasyl M. Fedorets • Educational Technology Quarterly
(2022)
The article discusses the findings of study targeted at enhancing the methodology of augmented reality use for the development of a physical education teacher's competence in health preservation under post-graduate educational settings. Acc...
DOAJ
Open Access (DOAJ)
DOI: 10.55056/etq.431