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; part one depends on studying the optimum condition of extraction with different co-solvent on different textile fabrics, as … the extraction can be an energy, economic and environmental friendly by waste recycling. Part two deals on studying the …
Persistent link: https://www.econbiz.de/10012178389
. The goal of this paper is to review the problems with different renewable energies and to outlay different scenarios for … the timing of major impact from global warming and oil peak. The problems with renewable energies have mostly economic …
Persistent link: https://www.econbiz.de/10011505807
In this paper we highlight one of alternative solutions in the manufacture of biofuel, which will replace the classical fuels who are being exhausted with harmful effects on the environment and human health. There are solutions to reduce net emissions of carbon dioxide by 70% compared to...
Persistent link: https://www.econbiz.de/10011591217
Persistent link: https://www.econbiz.de/10010364163
production of vegetables in order to increase the average annual national consumption. Currently, the average consumption of … fresh vegetables in the equivalent, in our country, is around 150 kg/capita. Ways to increase production of vegetables …
Persistent link: https://www.econbiz.de/10011456548
-distributive systems. Global connectivity has as much strengths as threats, and the integration within the new production, consumption and … globalisation. The sharp changes generated by the dropping of transport cost in patterns of production …
Persistent link: https://www.econbiz.de/10011540895
Persistent link: https://www.econbiz.de/10010416711
period 2007-2016, in terms of evolution of areas cultivated with wheat and maize, production in volume and value terms …
Persistent link: https://www.econbiz.de/10012517552
The coupled support is a production limiting system, which is granted under the form of an annual payment, to those …
Persistent link: https://www.econbiz.de/10012517573
production in the period 2010-2018. At the end, a comparison will be made with the level of production depending on the change of …
Persistent link: https://www.econbiz.de/10012518870