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José L. S. Pereira, Telma Costa, Vitor Figueiredo, Francisco Marques, Adelaide Perdigão, Isabel Brás, Maria E. F. Silva and Dulcineia F. Wessel
Composting is one of the best organic waste management techniques, with zero waste; however, it generates environmental impacts. The objective of this study was to evaluate the emission of NH3, N2O, CO2, and CH4 from the composting of olive, elderberry, ...
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Jinwei Wang, Yousef Alhaj Hamoud, Qinyuan Zhu, Hiba Shaghaleh, Jingnan Chen, Fenglin Zhong and Maomao Hou
Lettuce is a water-sensitive stem-used plant, and its rapid growth process causes significant disturbances to the soil. Few studies have focused on the gaseous carbon emissions from lettuce fields under different irrigation methods. Therefore, this study...
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Sara Bonuso, Pasquale Di Gloria, Guido Marseglia, Ramón A. Otón Martínez, Ghazanfar Mehdi, Zubair Ali Shah, Antonio Ficarella and Maria Grazia De Giorgi
This study introduces an innovative approach involving the injection of hydrogen into a low-swirl, non-premixed flame, which operates with gaseous fuels derived from an air-blast atomizer designed for aero-engine applications. The aim is to characterize ...
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Hanyu Wang, Qingyao Hu, Cheng Huang, Kaifa Lu, Hongdi He and Zhonren Peng
Exhaust emissions from ships have garnered significant attention because of their impact on global climate change, deterioration of air quality, and potential risks to human health. Consequently, it is necessary and urgent to quantify the gaseous and par...
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Myung-Sung Kim and Kang Woo Chun
As the maritime industry?s emphasis on sustainable fuels has increased, liquid hydrogen (LH2) has emerged as a promising alternative due to its high energy density and zero-emission characteristics. While the experience of using natural gas in ships can ...
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Kirsi Spoof-Tuomi, Hans Arvidsson, Olav Nilsson and Seppo Niemi
Transition to low emission transportation and cleaner cities requires a broad introduction of low- and zero-carbon alternatives to conventional petrol- and diesel-powered vehicles. New-generation gas buses are a cost-effective way to reduce local air pol...
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Yang Wang, Yujia Wang, Yue Sun, Kuanguang Zhang, Chenyang Zhang, Jianqiao Liu, Ce Fu and Junsheng Wang
The emission of nitrogen dioxide (NO2) caused by marine transportation has attracted worldwide environmental concerns. Two-dimensional (2D) black phosphorus (BP) is an emerging semiconductive material with the advantages of high electron mobility, a laye...
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Stephen A. Whitmore, Cara I. Frischkorn and Spencer J. Petersen
A method for in-situ optical measurements of solid and hybrid propellant rocket plumes is developed, and results from proof of concept tests are presented. The developed method inserts fiber-optic cables acting as radiation conduits into the solid-fuel c...
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Ali Barkhordari, Seyed Iman Mirzaei, Amir Falahat, Dorota A. Krawczyk and Antonio Rodero
In this work, a new plasma reactor operating with a butane/propane (C4H10/C3H8) gaseous mixture, designed for hydrogen molecule production, was experimentally studied. This reactor is based on a rotating electrode, biased by an AC high voltage. The plasm...
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Na-Kyung Kim, Yong-Pyo Kim, Hye-Jung Shin and Ji-Yi Lee
It is imperative to understand the changes of the levels of air pollutants in Northeast Asia with respect to the changes of the emissions of air pollutants. In this study, we analyzed long-term trends of both the chemical composition of fine particles an...
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