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. .....
), known informally as Aztec, is a language or group of languages of the Uto-Aztecan language family. Varieties of Nahuatl are spoken by an estimated 1.5 million Nahua people, most of whom live in Central Mexico.All Nahuan languages are indigenous to Mesoamerica.he speakers of Nahuatl themselves often refer to their language as either Mexicano or some word derived from mÄcÄhualli, the Nahuatl word for commoner. One example of the latter is the case for Nahuatl spoken in Tetelcingo, Morelos, whose speakers call their language moesiehuali. mÃ¶siehuali