Lux | |
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| Population | 0 |
The lux (symbol: lx) is the SI derived unit of illuminance, measuring luminous flux per unit area. It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface. It is analogous to the radiometric unit watt per square metre, but with the power at each wavelength weighted according to the luminosity function, a standardized model of human visual brightness perception.
Xique-Xique | |
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| Population | 47251 |
Xique-Xique is a municipality in the state of Bahia in the North-East region of Brazil. Its estimated population in 2020 was 46,523 inhabitants. It is situated on the right bank of São Francisco River and is a regional economic center. Xique-Xique takes its name from a cactus, Pilosocereus polygonus, common to the region.
The first exploratory expedition to the region was in 1545, and carried out by the administration of Tomé de Souza (1503–1579), the first governor-general of the Portuguese colony of Brazil.
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