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Yehuan Wang, Yong Wang, Yanli Wang, Cheng Chen, Lingwei Kong and Mengbing Xu
Marine sediment is an important channel for methane leakage from the earth interior to the atmosphere. The investigation of gas invasion in fine-grained marine sediments is of great theoretical and practical significance in marine science and engineering...
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Yan Xie, Jingchun Feng, Liwei Sun, Junwen Wang, Weiqiang Hu, Bo Peng, Yujun Wang and Yi Wang
Methane leakage during natural gas hydrate (NGH) exploitation is one of the important challenges restricting its safe development, which necessitates further investigation. However, only a few experimental studies have been conducted to characterize the ...
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Yan Xie, Jingchun Feng, Weiqiang Hu, Mingrui Zhang, Junwen Wang, Bo Peng, Yujun Wang, Zhenwu Zhou and Yi Wang
The ubiquitous methane seeping process in the deep-sea environment could significantly influence the global methane cycle and carbon budget. Hydrate formation on the methane bubble during the seeping process is an important way for sequestrating methane ...
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Jingyi Chang, Yuanyuan Li and Hailong Lu
Pyrites are widely distributed in marine sediments, the morphology of which is applied as a proxy to infer the redox conditions of bottom water, and identify diagenetic stages and hydrocarbon leakage activities. In this review, the methods used for the m...
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Joshua F. Dean, Michael F. Billett, Callum Murray, Mark H. Garnett
Pág. 236 - 244
Methane (CH4) is a powerful greenhouse gas that plays a prominent role in the terrestrial carbon (C) cycle, and is released to the atmosphere from freshwater systems in numerous biomes globally. Radiocarbon (14C) analysis can indicate both the age and so...
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Pål Börjesson, Thomas Prade, Mikael Lantz and Lovisa Björnsson
The production of biogas from six agricultural crops was analysed regarding energy efficiency and greenhouse gas (GHG) performance for vehicle fuel from a field-to-tank perspective, with focus on critical parameters and on calculation methods. The energy...
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Jorge Luiz Audibert, Fernando Fernandes
Pág. 45 - 52
Trials conducted in controlled landfillsor dumps are still incipient in Brazil. This paper aimed to qualify and quantify the emission of biogas in the landfill of Londrina, Paraná State. Measurements were performed by three types of tests: static closed ...
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Paul E. Hardisty, Tom S. Clark and Robert G. Hynes
Electricity generation is one of the major contributors to global greenhouse gas emissions. Transitioning the World?s energy economy to a lower carbon future will require significant investment in a variety of cleaner technologies, including renewables a...
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