Reflectance is also commonly used as an evaluation criterion for luminaire reflectors. The reflectance of this translucent piece of glass is 80%. Note that the angle of the incoming ray is the same as the angle of the reflected ray.
(Äz`tÄk'), Indian people dominating central Mexico at the time of the Spanish conquest. Their language belonged to the Nahuatlan subfamily of Uto-Aztecan languages. They arrived in the Valley of Mexico from the north toward the end of the 12th cent. and until the founding of their capital, TenochtitlÃ¡nTenochtitlÃ¡n. , ancient city in the central valley of Mexico. The capital of the Aztec, it was founded (c.A.D. 1345) on a marshy island in Lake Texcoco. It was a flourishing city (with an estimated population of between 200,000 and 300,000), connected with the mainland by. .....
Aztec culture is the culture of the people referred to as Aztecs, but since all ethnic groups of central Mexico in the postclassic period shared most basic cultural traits, many of the basic traits of Aztec culture cannot be said to be exclusive for the Aztecs.hen used about ethnic groups the term Aztec refers to several Nahuatl speaking peoples of central Mexico in the postclassic period of Mesoamerican chronology, especially the ethnic group that had a leading role in establishing the hegemonic empire based at Tenochtitlan, the Mexica.