Renewable Energies
The relationships of alternative energies with the technology sector and non-renewable energies
... non- renewable energies supply, the same principle cannot be applied ...from renewable energy by 2020; and 3) the ...clean energies as stated by the President Obama; are leading to an ...
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Geopolitics of renewable energies in Latin América: a survey
... These issues are particularly relevant to renewable energy governance. The topic remains understud- ied in academia and discussions about renewable energies are often framed in technical terms. The ...
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Community perceptions of renewable energies in Portugal. impacts on environment landscape and local development
... With respect to the socioeconomic impacts of wind and solar farms, the four cases analysed in this article show several types of ambivalence regarding the contribution of renewable energies to local ...
24
ROMANIA'S ENERGY POTENTIAL OF RENEWABLE ENERGIES IN THE CONTEXT OF SUSTAINABLE DEVELOPMENT
... that renewable energy resources Romania ...of renewable energies for heating the population in the western part of Romania” which I intend to realize and support at The West University of Timisoara, ...
5
Key words: Renewable energies, Geographic Information Systems (GIS), Geographic Modeling. 1 INTRODUÇÃO
... Conclui-se que todos os objetivos foram atingidos, pois: foram definidas as informações e produtos cartográficos e/ou meteorológicos necessários ao desenvolvimento do mode[r] ...
8
100% renewable electricity supply for Portugal and Spain
... Climate change and other questions concerning environmental issues are current topics that have been demanding several studies and investigations. The use of non-renewable energy sources is the main driver of ...
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Renewable Power Sources: Towards a Solar Solution
... of renewable energies available one can argue that the most abundant and accessible are solar power, radiation, and the energy of the tides (70 % of the earth surface is covered by ...
8
Decision-Making Under Uncertainty for Market Bidding Strategies of Wind and Photovoltaic Technologies
... of renewable energies will increase the problems in transmission lines because the network is still keep the old structure as before, when it used to use only fossil fuel, and it will provoke the ...
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Playing by the rules: co-designing interactive installations with pupils
... The ethnographic research was performed on the field, in the amusement park while pupils were visiting the exhibition concerning renewable energies. and V.) introduces the two in[r] ...
14
Modeling a renewable electricity system : the Portuguese case
... the renewable and non-renewable ...another. Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, waves and geothermal heat, which are naturally ...of ...
108
Renewable and Sustainable Energy Reviews
... Several renewable energy sources have been introduced as alternatives to traditional sources to protect environmental resources and to improve the quality of ...assesses renewable energy sources from a ...
15
Exploration of renewable sources for isolated systems
... The features of the location, as well as its renewable potential were obtained by visiting the community. The visit was carried out with the help of a local guide, and with two fellow researchers on similar ...
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Binding energies of excitons trapped by ionized donors in semiconductors
... The adiabatic approach using hyperspherical coordinates has proved to be a precise, intuitive, and elegant procedure to analyze the weak binding energies of excitons bound to im- purity donor centers. An important ...
9
Supercircle description of universal three-body states in two dimensions
... two-body energies from all being equal leads to distortion of the figure, but the main structure ...two-body energies makes region II bigger, pushing the other lines away from the ...
5
Achieving the Renewable Energy Target for Jamaica
... for renewable energy sources to supply 20% of the country's energy need by the year ...20% renewable energy target is technically achievable with the optimal plan showing a mixture of wind power, hydropower ...
8
Stepwise or concerted? DFT study on the mechanism of ionic Diels-Alder reaction of chromanes
... The most favorable product 7a was also confirmed, suggesting that the ortho- -endo pathway is the favorable pathway from the thermodynamic viewpoint. The transition states of the meta pathways, TS5a, TS6a, TS7a and TS8a, ...
14
Biomaterials from renewable sources: biosurfactants and biopolymers
... The second part of this thesis is focused on the production of polyhydroxyalkanoates (PHAs) from organic renewable resources: paper wastes and microalgae. PHAs are biodegradable, immunological inert and very ...
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An investigation into electron scattering from pyrazine at intermediate and high energies
... at energies above 20 eV, the SMC procedure somewhat over- estimates the experimental values, whereas the IAM-SCAR results lies within the experimental uncertainty ...
10
Braz. J. Phys. vol.30 número2
... Raman bands in single wall arbon nanotubes using several laser exitation energies (E.. laser ) in.[r] ...
5
Non-linear QCD dynamics in two-photon interactions at high energies
... high energies, where for instance rcBK(1) indicates that we are using the rcBK solution for the scattering and the Model 1 for the dipole–dipole cross section and so ...
9