(See dichroism for the etymology of the term.). Dichroic filters can filter light from a white light source to produce light that is perceived by humans to be highly saturated (intense) in color. Although costly, such filters are popular in architectural and theatrical applications.
Russia constitution chapter 4 article 81 : 3. âOne person may not hold the position of Russian president for more than two terms in a row.â. So Putin had two terms between 2000 - 2008 and third term from 2012 till 2018. If you ask why 6 years in 2012 instead of 4 - terms were extended from four to six years in 2008, during Dmitry Medvedev's presidency.
According to the 1991 amendment to the 1978 Russian Constitution, the President of Russia was the head of the executive branch and headed the Council of Ministers of Russia. According to the current 1993 Constitution of Russia, the President is not a part of the Government of Russia, which exercises executive power. But, the President does appoint the Prime Minister.