Obtained results in principle allow to determine type of petrol in their liquid state. There is a possibility to determine small amount of petrol in liquid solutions. The measurement made at low temperature (77, 4.2 ...

Le bilan du protocole de Kyoto en termes de réductions d’émissions de GES reste mitigé - L’absence de participation des Etats Unis a été un coup dur porté au protocole - La stabilisation annoncée des émissions des pays ...

The development of physical principles of production and investigation of conducting polymer nanocomposites(PNC) is currently an urgent problem of modern material science. The optimization of significant characteristics ...

Nowadays a large number of motivations and a growing interest exist for the development of renewable sources of energy, like energy systems based on biomass. Organic waste recovery as a component of the environmental ...

This paper describe comparative study between traditional MPPT method and fuzzy logic MPPT controller , we begin by modeling photovoltaic panel two diode model and show impact of different level of solar irradiation ,then ...

The investigated series of films comprise the samples of undoped germanium oxide films, films doped only with gold, films doped only with europium, and the films co-doped with gold and europium. Concentrations of activators ...

In thispaper,we presenta detailed descriptionofamini pyranometer8-bit2-input.This device isdedicated to the measurementof incident solar radiationdirectlyin thevisible and nearinfrared (withtwo photodiodesbroad-spectru ...

Natural Gas Vehicles fueled with a new fuel made of a hydrogen/natural gas blends (HCNG) is being considered as initial step towards hydrogen economy. Small percentage of hydrogen mixed into compressed natural gas (CNG) ...

The expansion of polymer blends for the acquisition of new associations with interesting physical features and minimizing technical sales ratio are current. Many researchers routinely work to improve and make competitive ...