Results 101 to 110 of about 236,141 (302)

Implications of "peak oil" for atmospheric CO2 and climate

, 2007
Unconstrained CO2 emission from fossil fuel burning has been the dominant cause of observed anthropogenic global warming. The amounts of "proven" and potential fossil fuel reserves are uncertain and debated.
Archer, Archer, Cox, Crutzen, Etheridge, Friedlingstein, Gruber, Hansen, Hansen, Hansen, Houghton, Houghton, House, Hubbert, Intergovernmental Panel on Climate Change (IPCC), Intergovernmental Panel on Climate Change (IPCC), Intergovernmental Panel on Climate Change (IPCC), Intergovernmental Panel on Climate Change (IPCC), James E. Hansen, Joos, Keeling, Keith, Kerr, Kerr, Lackner, Lovins, Marland, Marshall, Matthews, McCarl, Milici, National Research Council (NRC), Pushker A. Kharecha, Robock, Shine, Tilman, van der Veen, Walter, Weyant, Wigley, Wood, World Energy Council, Zimov   +42 more
core   +1 more source

Echocardiography combined with cardiopulmonary exercise testing for the prediction of outcome in idiopathic pulmonary arterial hypertension [PDF]

, 2016
BACKGROUND: Right ventricular (RV) function is a major determinant of exercise intolerance and outcome in idiopathic pulmonary arterial hypertension (IPAH). The aim of the study was to evaluate the incremental prognostic value of echocardiography of the
Badagliacca, Roberto, Fedele, Francesco, Giannetta, E, Manzi, G, Naeije, R, Palange, Paolo, Papa, S, Pezzuto, Beatrice, Poscia, Roberto, Sciomer, S, Valli, G, Vizza, Carmine Dario   +11 more
core   +1 more source

Covalent Organic Frameworks for Photocatalytic CO2 Reduction: Metal Integration Principles, Strategies and Functions

Advanced Functional Materials, EarlyView.
Covalent organic frameworks (COFs) with metals have been recognized as versatile platforms for photocatalytic CO2 reduction (CO2PRR). Herein, an overview of metal integration strategies for COFs is systematically summarized. Regulatory mechanisms and structure–activity relationships between metal integration and COF‐based CO2PRR are emphasized.
Jie He, Minxian Zhang, Jinqiang Zhang, Hongqi Sun, Shaobin Wang, Xiaoguang Duan   +5 more
wiley   +1 more source

Ultrastable Photoactive Halide Perovskite Nanocrystal‐Sensitized SnO2 Nanorods for Room‐Temperature NO2 Detection

Advanced Functional Materials, EarlyView.
ABSTRACT Metal oxide (MOx)‐based NO2 gas sensors typically require high temperatures or ultraviolet light, limiting their practical use. To enable visible‐light activation at room temperature, efficient and stable photosensitizers should be integrated with nanostructured MOx hosts.
Yeonji Yuk, Dokyum Kim, Jun‐Cheol Park, Yoonsung Jung, Inhyeok Oh, Donghyeon Lee, Yejoon Kim, Ji‐Eun Yeo, Young Min Song, Chang‐Lyoul Lee, Sanghan Lee   +10 more
wiley   +1 more source

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

Advanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa, Milan Buttberg, Ke Ran, Rana Walied Ahmad, Dennis Braun, Lukas Völkel, Jimin Lee, Sofía Cruces, Bart Macco, Bárbara Canto, Holger Lerch, Thorsten Wahlbrink, Holger Kalisch, Michael Heuken, Andrei Vescan, Joachim Mayer, Zhenxing Wang, Ilia Valov, Stephan Menzel, Max C. Lemme   +19 more
wiley   +1 more source

Sediment resuspension in muddy sediments enhances pyrite oxidation and carbon dioxide emissions in Kiel Bight

Communications Earth & Environment
Sediment resuspension of blue carbon ecosystems (e.g., seagrass beds) and muddy sediments exposes buried particulate organic carbon to oxygenated waters and remineralization, potentially enhancing carbon dioxide fluxes.
Habeeb Thanveer Kalapurakkal, Andrew W. Dale, Mark Schmidt, Heidi Taubner, Florian Scholz, Timo Spiegel, Michael Fuhr, Klaus Wallmann   +7 more
doaj   +1 more source

Biogas Clean-up and Upgrading by Adsorption on Commercial Molecular Sieves

Chemical Engineering Transactions, 2012
The effect of the competitive adsorption of H2S, Water and CO2 on molecular sieves 13X is here reported. The uptake of trace amounts (100 ppmv) of H2S was experimentally calculated by means of short term breakthrough tests either in the presence of small
P. Pagliai, R. Di Felice
doaj   +1 more source

Nucleation‐Controlled Reconstruction of CuOx for Selective CO2 Electroreduction

Advanced Functional Materials, EarlyView.
The ratio of oxygen vacancies (Ov) and exposed Cu2O (111)/(200) of CuOx precatalyst is modulated by nucleation control of Cu(OH)2 precursor. Low Ov ratio and high ratio of Cu2O (111)/(200) in slow‐nucleated CuOx reconstructs to high‐coordinated oxide‐derived copper (OD‐Cu) during electrochemical CO2 reduction reaction (CO2RR) and exhibits enhanced ...
Ying Ying Ch'ng, Zhipeng Ma, Ming Zhang, Shujie Zhou, Varun Kundi, Priyank Vijaya Kumar, Wenyu Zhong, Yuwei Yang, Jitraporn Vongsvivut, Qinfen Gu, Xiaoxuan Luo, Lixue Jiang, Rahman Daiyan, Zhaojun Han, Rose Amal   +14 more
wiley   +1 more source

Airborne observations of methane emissions from rice cultivation in the Sacramento Valley of California [PDF]

, 2012
Airborne measurements of methane (CH4) and carbon dioxide (CO2) were taken over the rice growing region of California's Sacramento Valley in the late spring of 2010 and 2011.
Andrews, AE, Atlas, EL, Blake, DR, Daube, BC, Dlugokencky, EJ, Fischer, ML, Goldstein, AH, Guha, A, Holloway, JS, Karl, T, Kofler, J, Kosciuch, E, Misztal, PK, Parrish, DD, Peischl, J, Perring, AE, Pollack, IB, Ryerson, TB, Santoni, GW, Schwarz, JP, Spackman, JR, Trainer, M, Wofsy, SC   +22 more
core   +1 more source

Atomic Layer Deposition in Transistors and Monolithic 3D Integration

Advanced Functional Materials, EarlyView.
Transistors are fundamental building blocks of modern electronics. This review summarizes recent progress in atomic layer deposition (ALD) for the synthesis of two‐dimensional (2D) metal oxides and transition‐metal dichalcogenides (TMDCs), with particular emphasis on their enabling role in monolithic three‐dimensional (M3D) integration for next ...
Yue Liu, Taoyu Zou, Cheng‐Yan Xu, Liang Zhen, Yang Li, Yong‐Young Noh   +5 more
wiley   +1 more source