Jyotsna Nitika. lighting. January 20th , 2017.
Light is a necessity that is required for the survival of all living creatures. Therefore, freshwater aquarium lighting must be given some consideration when raising fish. Lighting can give a beautiful ambiance to the aquarium while maintaining the needs of the fish and any plant life. The lighting that you typically get when buying an aquarium or an aquarium kit is usually suffice, however, the quantity and quality of light must be considered especially if you plan on growing freshwater aquarium plants.
Organic LEDs are, basically the futuristic way of lighting, and their range of application widens continuously. The reason for their popularity is due to their exclusive features, which can be used advantageously not only in the lighting industry, but at the moment primarily in manufacturing displays of all forms (TVs, mobiles, adverts). These displays may contain PMOLED or passing matrix addressing schemes or AMOLEDs active matrix schemes. AMOLEDS with film transistor backplanes make it possible to switch or address each pixel individually, in other words touch screen.
 Linder J et al. Calcium and magnesium concentrations in affective disorder: Difference between plasma and serum in relation to symptoms. Acta Psychiatr Scand 80:527-37, 1989
Today, the lighting of a special lamp or candles on the eve of the Sabbath is regarded as a religious duty. The early Tannaim (the first generation of rabbis of the Mishnaic and Talmudic period) regarded it as a well-known practice so much so that their discussions often dealt with the minor details connected with it, sch as the kind of wick or oil to be allowed as opposed to its origin. While the Hebrew Bible does not explicity direct the lighting of Sabbath lights, it does prohibit the kindling of lights on the Sabbath. The inference therefore is to provide light before the onset of the Sabbath.
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