Results 81 to 90 of about 293,203 (287)

Development of Heat Engines Powered by Twisted and Coiled Polymer Fiber Actuators

open access: yesAdvanced Materials Technologies, EarlyView.
Continuously rotating engines driven by thermally responsive actuating materials can turn waste heat into useful energy. For the first time heat engines operated by twisted and coiled polymer fiber actuators are demonstrated with engine design guided by two simple analytical models.
Geoffrey M. Spinks   +2 more
wiley   +1 more source

Greenhouse Gas Profiling to Increase Agricultural Mitigation Program Effectiveness in Indonesia

open access: yesChemical Engineering Transactions, 2023
This study aims to provide an inventory of greenhouse gas emissions in the agricultural sector, map the distribution of greenhouse gas emissions, and formulate effective mitigation strategies in Minahasa District.
Daniel S. I. Sondakh   +4 more
doaj  

Future meat consumption: potential greenhouse gas emissions from meat production in Malaysia [PDF]

open access: yes
This study shows that there is mounting meat consumption which is to be met by higher meat production. As the result, higher gas emission of CO2 is expected from increasing meat production.
Tey, (John) Yeong-Sheng
core   +1 more source

Estimation of the methane emission factor for the Italian Mediterranean buffalo [PDF]

open access: yes, 2008
In order to contribute to the improvement of the national greenhouse gas emission inventory, this work aimed at estimating a country-specific enteric methane (CH4) emission factor for the Italian Mediterranean buffalo.
CÓNDOR R. D.   +4 more
core   +1 more source

Engineering of Double Absorber Organic‐Perovskite Solar Cells for >34% Efficiency with V2O5 as Back Surface Field Layer

open access: yesAdvanced Photonics Research, EarlyView.
This study investigates high‐efficiency double perovskite active layer (DPAL) structures using MAPbI3 and MASnI3 to surpass the Shockley‐Queisser limit in single‐junction perovskite solar cells. SCAPS‐1D simulations show that the V2O5‐assisted DPAL device achieves 34.14% power conversion efficiency with improved JSC, VOC, and FF.
Afifa Lubaba   +7 more
wiley   +1 more source

Estimation of Energy Consumption and Greenhouse Gas Emissions of Transportation in Beef Cattle Production

open access: yesEnergies, 2016
Accounting for transportation is an important part of the life cycle analysis (LCA) of beef cattle production because it is associated with energy consumption and greenhouse gas emissions.
Narayanan Kannan, Ali Saleh, Edward Osei
doaj   +1 more source

DECISION MAKING UNDER CATASTROPHIC RISK AND LEARNING: THE CASE OF THE POSSIBLE COLLAPSE OF THE WEST ANTARCTIC ICE SHEET [PDF]

open access: yes
A collapse of the West-Antarctic Ice Sheet (WAIS) would cause a sea level rise of 5-6 metres, perhaps even within one hundred years, with catastrophic consequences.
Marie-Laure Guillerminet   +1 more
core  

The air quality impact of cordon and distance based road user charging: an empirical study of Leeds, U.K [PDF]

open access: yes, 2005
Traffic assignment, pollutant emission and dispersion models were applied to a major UK city so as to assess the air quality impacts of five road pricing schemes.
Milne, D.S., Mitchell, G., Namdeo, A.K.
core   +1 more source

Long‐Term Elevated CO2 Improves Soil Health and Rice Yields in Paddy Fields

open access: yesAdvanced Science, EarlyView.
Combining the two longest‐running rice free‐air CO2 enrichment experiments with a global data synthesis, this study demonstrates that long‐term elevated CO2 consistently enhances soil health. In rice paddies, this improvement sustains the CO2 fertilization effect over decades.
Fan Jiang   +22 more
wiley   +1 more source

Greenhouse Gas Emission Factor Module: Land Use in Rural New Zealand - Climate Version 1 [PDF]

open access: yes
Several different New Zealand economic models produce measures of rural economic activity that have greenhouse gas implications. For climate change analysis, models need to translate economic activity into greenhouse gas emissions.
Joanna Hendy, Suzi Kerr
core   +3 more sources

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