French is the official language in 29 countries, most of which are members of la francophonie, the community of French-speaking countries.It is spoken as a first language in France, southern Belgium, western Switzerland, Monaco, certain parts of Canada and by various communities elsewhere.rench is the official language in 29 countries, most of which are members of la francophonie, the community of French-speaking countries.
Study sets matching term:drip+irrigation = most efficient method of irrigation
After another set of â13 meetings with the Khan Networkâ, [5] Iran managed to duplicate the P-1 dubbed the IR-1. However, while this design is central to the Iranian centrifuge program, it is very inefficient in its U-235 separation, essentially corresponding to an early generation centrifuge from the 1950âs.9] It has not been revealed what the differences are between the different types of centrifuges, however, a presentation by Olie Heinnonen the former IAEA Head of Safeguards suggested that the IR-2m separation is at least 5-10 times more efficient than the IR-1 centrifuge.