Results 31 to 40 of about 11,030,198 (298)

An Evaluation of Primary Energy Factor Values of Wind Turbines

open access: yesProceedings, 2019
In order to fulfil the European Energy Performance of Buildings Directive (EPBD) requirements regarding the reduction of energy consumption in buildings, much attention has been paid to primary energy consumption.
Rokas Tamašauskas   +3 more
doaj   +1 more source

Primary Energy Resources and Environmental Impacts of Various Heating Systems Based on Life Cycle Assessment

open access: yesEnergies, 2023
This paper utilizes a life cycle assessment (LCA) to evaluate three heating systems’ energy resources and environmental impacts. The first system uses an electric heat pump that exclusively relies on geothermal energy. The second system operates on a gas
Viktoria Mannheim   +3 more
doaj   +1 more source

Primary energy resources [PDF]

open access: yesNature, 1980
Biological Energy Resources. By M. Slesser and C. Lewis. Pp.192. (E. & F. N.Spon: London, 1979.) £38.50.
openaire   +1 more source

Annual Energy Outlook

open access: yes, 1994
This report is a companion document to the Annual Energy Outlook 1994 (AEO94), (DOE/EIA-0383(94)), released in Jan. 1994. Part I of the Supplement presents the key quantitative assumptions underlying the AEO94 projections, responding to requests by ...
United States. Department of Energy. Energy Information Administration
core   +1 more source

Energy decarbonisation and primary energy in the 21st century

open access: yesJournal of Energy : Energija, 2021
This paper emphasizes the role of primary sources of energy, primarily oil and gas in the future (so-called “energy mix”) with the expected trends in the future. The changes expected by the oil and gas sector in the 21st century have been underlined due to energy decarbonisation.
openaire   +3 more sources

The Dynamic Cointegration Relationship between International Crude Oil, Natural Gas, and Coal Price

open access: yesEnergies
In this study, we conducted an in-depth analysis of the dynamic cointegration relationship between international crude oil, natural gas, and coal price indices from 2009 to 2023, revealing the changes and differences in the cointegration relationship ...
Lv Chen, Lingying Pan, Kaige Zhang
doaj   +1 more source

Evaluation of the Influence of the Primary Energy Factor of Hydropower Plants in the Methodology for Assessing the Energy Performance of Buildings

open access: yesProceedings, 2020
There is currently no common or standardized procedure for certification of the energy performance of buildings, as each EU Member State takes into account the specificities of its own construction sector when implementing the provisions of Directive ...
Rokas Tamašauskas   +2 more
doaj   +1 more source

Energy, Environmental and Economic Analysis of Air-to-Air Heat Pumps as an Alternative to Heating Electrification in Europe

open access: yesEnergies, 2020
Heat pumps (HP) are an efficient alternative to non-electric heating systems (NEHS), being a cost-effective mean to support European building sector decarbonization.
Olaia Eguiarte   +4 more
doaj   +1 more source

Bone Mineral Density After Contemporary Treatment for Acute Lymphoblastic Leukaemia: A Matched Cross‐Sectional Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Reduced bone mineral density (BMD) has been reported in survivors of childhood and young adult acute lymphoblastic leukaemia (ALL); however, data from cohorts treated with contemporary protocols and including matched controls remain limited.
Karen Schow Jensen   +10 more
wiley   +1 more source

A review of the Energy Productivity Center's Least-Cost Energy Strategy study [PDF]

open access: yes, 1981
The Mellon Institute's Energy Productivity Center (EPC) has recently completed a study asking the question, "How would the nation have provided energy services in 1978 if its capital stock had een reconfigured to be optimal for actual 1978 energy prices?"
Manove, Michael   +2 more
core  

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