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Academic Articles & Research Papers
Showing 20 of 5,045 academic articles
Moein Shamoushaki, Mehdi Aliehyaei, Marc A. Rosen • Entropy
(2021)
Energy, exergy, and exergoeconomic evaluations of various geothermal configurations are reported. The main operational and economic parameters of the cycles are evaluated and compared. Multi-objective optimization of the cycles is conducted...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e23111483
Maria Cristina Baglio, Francesco Coti Zelati, Alessandro Di Marco, Fabio La Monaca et al. • The Astrophysical Journal Letters
(2025)
Transitional millisecond pulsars (tMSPs) bridge the evolutionary gap between accreting neutron stars in low-mass X-ray binaries and millisecond radio pulsars. These systems exhibit a unique subluminous X-ray state characterized by the prese...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/2041-8213/add7d2
Shama Sadiq, Nadeem Azhar, N. Myrzakulov, S. Toktarbay et al. • Nuclear Physics B
(2025)
This research explores the rapid expansion period of the early universe by applying the Chaplygin gas model, an alternative cosmological framework, to analyze the dynamics of inflationary processes. This study assesses the compatibility of ...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.nuclphysb.2025.116981
Hongli Yang, Guohui Yu, Ivan Ganchev Ivanov • Entropy
(2024)
In this paper, we investigate a Lyapunov trajectory tracking design method that incorporates a Schrödinger equation with a dipole subterm and polarizability. Our findings suggest that the proposed control law can overcome the limitations of...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e26110978
Juhan Frank, Andrew R. King, Derek Jeffrey Raine • Cambridge University Press eBooks
(2002)
Accretion Power in Astrophysics examines accretion as a source of energy in both binary star systems containing compact objects, and in active galactic nuclei. Assuming a basic knowledge of physics, the authors describe the physical process...
OPENALEX
DOI: https://doi.org/10.1017/cbo9781139164245
Bradley W. Carroll, Dale A. Ostlie • Cambridge University Press eBooks
(2017)
An Introduction to Modern Astrophysics is a comprehensive, well-organized and engaging text covering every major area of modern astrophysics, from the solar system and stellar astronomy to galactic and extragalactic astrophysics, and cosmol...
OPENALEX
DOI: https://doi.org/10.1017/9781108380980
Sanae Rujivan, Athinan Sutchada, Kittisak Chumpong, Napat Rujeerapaiboon • Mathematics
(2023)
This paper focuses mainly on the problem of computing the γth, γ>0, moment of a random variable Yn:=∑i=1nαiXi in which the αi’s are positive real numbers and the Xi’s are independent and distributed according to noncentral chi-square distri...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/math11051276
Omran Gheisar, Sima Eskandari Sabzi, ali salmanpour, Seyed Yosef Hajiasghari • زن در توسعه و سیاست
(2024)
The trend of population growth in the last three decades will cause extensive changes in the age structure of Iran's population. So that it can be one of the most important challenges of the country in the coming decades. This development w...
DOAJ
Open Access (DOAJ)
DOI: 10.22059/jwdp.2023.362558.1008358
Erika Meškienė, Teodoras Tamošiūnas • Socialiniai Tyrimai
(2019)
The relevance of the research. The emergence of temporary employment as an atypical form of work organization has become a relevant topic in the research of human resource management processes. Researchers analyze temporary employment not o...
DOAJ
Open Access (DOAJ)
DOI: 10.21277/st.v42i2.277
Alice Rueda, Huda F Al-Shamali, Zack Cote, Niloy Roy et al. • JMIR Medical Education
(2026)
Abstract
BackgroundCanadian psychiatry residents must demonstrate consultation competency, assessed using the standardized assessment of a clinical encounter report (STACER). However, opportunities to practice these skills and r...
DOAJ
Open Access (DOAJ)
DOI: 10.2196/88580
Dmitry Yu. Fedotov • Journal of New Economy
(2025)
The instability of economic processes fuels the inconsistency of the revenue flow to the budget system. In order to overcome the cyclical nature of the budget process, which depends on cyclical fluctuations of economic conditions, fiscal ru...
DOAJ
Open Access (DOAJ)
DOI: 10.29141/2658-5081-2025-26-2-2
Andrew Quanbeck, Daniel Almirall, Nora Jacobson, Randall T. Brown et al. • Implementation Science
(2020)
Abstract Background Rates of opioid prescribing tripled in the USA between 1999 and 2015 and were associated with significant increases in opioid misuse and overdose death. Roughly half of all opioids are prescribed in primary care. Althoug...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s13012-020-00990-4
E. Kocan, M. Pejanovic-Djurisic • Telfor Journal
(2012)
In this paper we present analytical performance evaluation of a dual-hop OFDM amplify-andforward (AF) variable gain (VG) relay system implementing ordered subcarrier mapping (SCM) at the relay station (R), considered to be a very interestin...
DOAJ
Open Access (DOAJ)
Zhifu Yin, Zhifu Yin, Biao Lu, Yanbo Chen et al. • Frontiers in Bioengineering and Biotechnology
(2022)
Electron transport layer (ETL), one of the important layers for high-performing perovskite solar cells (PSCs), also has great potential in bioengineering applications. It could be used for biological sensors, biological imaging, and biomedi...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fbioe.2022.900269
Pishdar Mahsa • EPJ Web of Conferences
(2026)
Transition to renewable electricity faces diverse challenges, the systemic interdependencies of which are still underexplored. This study applies a Pythagorean Fuzzy Cognitive Map (PFCM) to analyze and prioritize challenges of transitioning...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/epjconf/202635101013
Chadi Nohra, Bechara Nehme, Raymond Ghandour, Ossama Dankar et al. • IEEE Access
(2026)
The integration of communication networks into modern power systems introduces variable time delays that degrade the performance of traditional Load Frequency Control (LFC), while the shift towards renewable energy sources increases system ...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/ACCESS.2026.3675126
E. Blanc‐Betes, N. Gomez‐Casanovas, C. J. Bernacchi, E. H. Boughton et al. • GCB Bioenergy
(2025)
ABSTRACT The expansion of sugarcane onto land currently occupied by improved (IMP) and semi‐native (SN) pastures will reshape the U.S. bioenergy landscape. We combined biometric, ground‐based and eddy covariance methods to investigate the i...
DOAJ
Open Access (DOAJ)
DOI: 10.1111/gcbb.70058
Yang Yu, Jiali Li, Dongyang Chen • Global Energy Interconnection
(2022)
Effective source–load prediction and reasonable dispatching are crucial to realize the economic and reliable operations of integrated energy systems (IESs). They can overcome the challenges introduced by the uncertainties of new energies an...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.gloei.2022.10.010
Victor J. Gutierrez-Martinez, Carlos A. Moreno-Bautista, Jose M. Lozano-Garcia, Alejandro Pizano-Martinez et al. • Energies
(2019)
This paper presents the development of a heuristic-based algorithm for a Home Electric Energy Management System (HEEMS). The novelty of the proposal resides in the fact that solutions of the Pareto front, minimizing both the energy consumpt...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/en12040671
J.R. Gouveia, E. Silva, T.M. Mata, A. Mendes et al. • Energy Reports
(2020)
Buildings are responsible for a significant part of the global energy consumption. Besides the need to improve their energy efficiency, new buildings also need to generate their own energy, preferably from renewable sources, to become more ...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.egyr.2019.08.024