Showing 401 - 420 results of 1,174 for search 'comparative economic systems', query time: 0.09s Refine Results
  1. 401

    Unraveling the Potential of Black Soldier Fly Larvae as a Sustainable Protein Source for Nile Tilapia Production in Diverse Aquaculture Systems by Jonathan Munguti, Mavindu Muthoka, Jimmy B. Mboya, Domitila Kyule, Menaga Meenakshisundaram, Chrysantus M. Tanga

    Published 2025-01-01
    “…As research and production scale up, careful consideration of context, system design, and feed formulations will be essential. …”
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  5. 405

    Timing, risk factors, and causes of foetal and preweaning lamb mortality in lowland production systems involving a range of ewe genotypes by D. Shiels, J.F. Mee, J.P. Hanrahan, C.M. Dwyer, S. Fagan, T.W.J. Keady

    Published 2025-02-01
    “…Reducing lamb mortality has production, economic and animal welfare benefits. The timing and causes of death and associated risk factors were investigated in a study conducted over 2 consecutive years (involving 1 103 and 1 038 ewes in 2017 and 2018, respectively) in three prolific (average litter size 1.91) indoor-lambing, lowland flocks (in Ireland) that consisted of a range of genotypes, managed in grass-based systems of production. …”
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  6. 406

    Cost-effectiveness of tyrosine kinase inhibitor treatment strategies for chronic myeloid leukemia in South Africa by Rochelle Woudberg, Edina Sinanovic

    Published 2025-01-01
    “…BackgroundThe treatment of chronic myeloid leukemia through tyrosine kinase inhibitors (TKIs) has achieved promising efficacy and safety outcomes, however the costs are associated with a substantial economic burden. The objective of this study was to develop a Markov model with a 20-year time horizon to assess the cost effectiveness of TKIs from a public healthcare system perspective in South Africa.MethodsWe constructed a Markov model to compare three strategies in which treatment was initiated with either imatinib, nilotinib, or dasatinib. …”
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  7. 407

    Identification of vulnerable zones of the formation of region’s public finances under sanctions restrictions by P. A. Ivanov

    Published 2022-11-01
    “…According to the results of the analysis of the main tax revenues of the consolidated budget of the republic, the zones most exposed to the risk of shortfall in income were identified: firstly, the high volatility of the dynamics of the corporate income tax compared to the personal income tax, and secondly, the decrease in the diversification of tax revenues on profit in the sectoral context, thirdly, the growth of the contribution to the volume of tax revenues of those types of economic activity that have the most favorable tax and investment regime (the need to improve the system of tax and investment preferences). …”
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    Optimal design of off-grid hybrid system using a new zebra optimization and stochastic load profile by Ahunim Abebe Ashetehe, Fekadu Shewarega, Belachew Bantyirga, Getachew Biru, Samuel Lakeo

    Published 2024-11-01
    “…Abstract Renewable energy systems are becoming more and more popular and used these days as a result of environmental, technical, and economic concerns. …”
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  10. 410

    Increasing the flexibility and feasibility of concentrated solar power plants by the addition of a low temperature energy storage system by Antonio Rovira, Antonio Jesús Subires, Rubén Barbero, Rubén Abbas

    Published 2025-03-01
    “…The economic analysis shows that the incremental cost of the system is low compared to the potential revenues of dispatching energy at high electricity prices, and it can be considered feasible in a wide range of economic scenarios.…”
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  11. 411

    Optimal Sizing of a Hybrid Renewable Photovoltaic-Wind System-Based Microgrid Using Harris Hawk Optimizer by Abdullrahman A. Al-Shamma’a, Hassan M. Hussein Farh, Abdullah M. Noman, Abdullah M. Al-Shaalan, Abdulaziz Alkuhayli

    Published 2022-01-01
    “…The efficacy of HHO is investigated, and its performance was compared with seven metaheuristic techniques, grasshopper optimization algorithm (GOA), cuckoo search optimizer (CSO), genetic algorithm (GA), Big Bang–Big Crunch (BBBC), coyote optimizer, crow search, and butterfly optimization algorithm (BOA), to attain the HRE microgrid optimal sizing based on annualized system cost (ASC) reduction. …”
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    Assessment of the innovation activity of the industry by the manufacturability level by S. S. Kudryavtseva, M. V. Shinkevich, D. V. Kharitonov

    Published 2023-12-01
    “…The relevance of the study is related to the need to activate innovation in the context of socio-economic and geopolitical challenges that the Russian economy faces. …”
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  15. 415

    Long-term impact of different prevalent cropping systems on soil physico-chemical characteristics under subtropical climate conditions of Punjab, Pakistan by Fahad Ali Fayyaz, Irfan Aziz, Muhammad Ansar, Muhammad Akmal, Saud Alamri, Alanoud T. Alfagham, Renata Gamrat, Abdul Qayyum

    Published 2025-01-01
    “…A total of 470 georeferenced soil samples were collected using a random survey approach, and the samples were analyzed for soil texture, pH, electrical conductivity (EC), organic matter percentage (OM), total nitrogen percentage (TN), accessible phosphorus (AvP) (mg kg−1) and extractable potassium (ExK) (mg kg−1). For crop yield and economic feasibility, the data collected for each crop were summed up and mean data for every cropping system were compared. …”
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  16. 416

    Multi-Objective Optimization of Building Ventilation Systems Using Model Predictive Control: Integrating Air Quality, Energy Cost, and Environmental Impact by Andreas Hyrup Andersen, Muhyiddine Jradi

    Published 2025-01-01
    “…The framework is showcased for the modeling and simulation of four ventilation systems in a 8500 m<sup>2</sup> university building. …”
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  17. 417

    Changes in the content of proteins and lipids and in the state of the antioxidant system in mutant forms of <i>Amaranthus cruentus</i> L. by R. M. Taipova, V. N. Nesterov, O. A. Rozentsvet, B. R. Kuluev

    Published 2022-04-01
    “…Mutant No. 2 under salinization demonstrated higher peroxidase activity and mutant No. 3 higher catalase activity; both mutants showed a reduced rate of superoxide anion formation compared to the control.Conclusion. Amaranth mutants identified for higher stress resistance, protein content and linoleic acid content can be recommended for further breeding to produce new cultivars of amaranth with economically valuable traits.…”
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  18. 418

    Effect of pre-tensioning force on behavior of Buckling Restrained Brace (BRB) supported by double pre-tensioning system by Mohamed Selim, Muhammad E. Kamel, Eman Elshamy, Mohamed Emara

    Published 2024-01-01
    “…The study explores the feasibility of a new all-steel buckling restrained brace (BRB) with the double pre-tensioning system as an alternative to conventional concentrically braced frames by using finite element method (ABAQUS program), And to verify modeling, use U-V1 specimen results and compare them with test results. …”
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  19. 419

    Very Short-Term Blackout Prediction for Grid-Tied PV Systems Operating in Low Reliability Weak Electric Grids of Developing Countries by Benson H. Mbuya, Aleksandar Dimovski, Marco Merlo, Thomas Kivevele

    Published 2022-01-01
    “…Sub-Saharan emerging countries experience electrical shortages resulting in power rationing, which ends up hampering economic activities. This paper proposes an approach for very short-term blackout forecast in grid-tied PV systems operating in low reliability weak electric grids of emerging countries. …”
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  20. 420

    A Multi‐Center Prospective Study on the Healing of Neuro‐Ischemic Ulcers in Singapore: A Prospective Cohort Study by Lingyan Meng, Priya Bishnoi, Zhiwen Joseph Lo, Enming Yong, Tze Tec Chong, David Carmody, Rajesh Babu Dharmaraj, Yi Zhen Ng, Keith Harding, Pei Ho

    Published 2025-01-01
    “…ABSTRACT Background and Aims Neuro‐ischemic ulcers (NIU) present a substantial clinical and economic burden on the healthcare systems. This study aims to evaluate their healing rate, associated healthcare resource utilization, and prognostic factors influencing healing. …”
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