Renewable energies such as thermal solar energy are accessible energy hydrous for desalination water, recycling and hot water production. Heat is produced by greenhouse effect in the sensor. It is no polluting form of energy according to the sustainable development.In this paper the design of sensor photothermic prototype with polymeric film absorbing, the materials radiation properties, the analysis of different energy losses in the system and the energy balance will be presented. The evolution of incidental solar illumination on the horizontal plan of sensor and the temperature distribution are studied.Results showed that the temperature obtained by thermal conversion depends on the absorbing characteristics of the polymeric film, radiation intensity and time exposure.

bstract: The Comprehensive Economic and Trade Agreement between Canada and the European Union and its Member States (CETA) is the only modern instrument governing trans-Atlantic trade that bridges differences between European and North American approaches in trade agreements. This Chapter analyses that agreement, looking at the innovative approaches that are taken and how they interact with and the effect they have had on Canadian and EU policy more generally. The chapter also examines the procedure for the implementation and ratification of CETA. The conclusion and ratification of CETA raised a number of legal issues, in particular with respect to the scope of the European Union’s powers to conclude broad and comprehensive free trade agreements (FTAs) including investment protection provisions.

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