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Abeer S. Aloufi, Bahja Al Riyami, Mustafa A. Fawzy, Hatim M. Al-Yasi, Mostafa Koutb and Sedky H. A. Hassan
The release of heavy metals into the environment as a result of industrial and agricultural activities represents one of the century?s most significant issues. Cobalt is a hazardous metal that is employed in a variety of industries. In this study, respon...
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Beichen Lu, Yanjun Liu, Xiaoyu Zhai, Li Zhang and Yun Chen
In recent years, clean and renewable energy sources have received much attention to balance the contradiction between resource needs and environmental sustainability. Among them, ocean thermal energy conversion (OTEC), which consists of surface warm seaw...
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Isabela M. Dias, Lucas C. Mourão, Guilherme B. M. De Souza, Jose M. Abelleira-Pereira, Julles M. Dos Santos-Junior, Antônio C. D. De Freitas, Lucio Cardozo-Filho, Christian G. Alonso and Reginaldo Guirardello
Pharmaceutical pollutants are considered emerging contaminants, representing a significant concern to the ecosystem. Thus, this study reports on the degradation of antihypertensive and cardiovascular drugs (atenolol, captopril, propranolol hydrochloride,...
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Letícia Reggiane de Carvalho Costa, Ivone Vanessa Jurado-Davila, Júlia Toffoli De Oliveira, Keila Guerra Pacheco Nunes, Diego Cardoso Estumano, Robson Alves de Oliveira, Elvis Carissimi and Liliana Amaral Féris
Water pollution, particularly from elevated fluoride ion (F-) concentrations, is a significant challenge in many developing countries, particularly those relying on groundwater. The stable form of fluoride, F-, poses health risks, leading to concerns abo...
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Jun-Seong Kim and Do-Yeop Kim
A feasible solid oxide fuel cell?gas turbine?organic Rankine cycle (SOFC-GT-ORC) hybrid system for ammonia-fueled ships is presented in this study. To confirm the quantitative changes in thermodynamic performance and economics according to the system con...
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Xiu Xiao, Xiaoqing Xu, Zhe Wang, Chenxi Liu and Ying He
Cold energy recovery in LNG-powered vessels can not only improve the utilization efficiency of energy, but also benefit environmental protection. This paper put forward a new cascade scheme for utilizing flue gas waste heat and LNG cold energy comprehens...
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Haoying Chen, Yifan Wang and Haibo Zhang
In the overall design process of the turbofan engine, it has become crucial to address the challenge of selecting design parameters that not only meet the flight thrust demand but also enhance engine economy. As the demand for stealth performance in futu...
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Youssef Karout, Axel Curcio, Julien Eynard, Stéphane Thil, Sylvain Rodat, Stéphane Abanades, Valéry Vuillerme and Stéphane Grieu
The present paper deals with both the modeling and the dynamic control of a solar hybrid thermochemical reactor designed to produce syngas through the high-temperature steam gasification of biomass. First, a model of the reactor based on the thermodynami...
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Long Lyu, Ankang Kan, Wu Chen, Yuan Zhang and Bingchun Fu
Recovering the waste heat of a marine main engine (M/E) to generate electricity was an environmental way to minimize the carbon dioxide emissions for ships, especially with organic Rankine cycle (ORC) technology. The M/E had variable loads and operating ...
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Salman Lari, Sang Wook Han, Jong Uk Kim and Hyock Ju Kwon
High-intensity focused ultrasound (HIFU) is a non-invasive medical procedure, which is mainly used to ablate tumors externally by focusing on them with high-frequency ultrasound. Because a single ablation can process only a small volume of tissue, a succ...
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