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First-surface mirrors are now made for applications requiring a strict reflection without a ghosting effect as seen with a second-surface mirror, where a faint secondary reflection could be observed, coming from the front surface of the glass. This includes most optics applications where light is being manipulated in a specific manner.
A mirror reflecting the image of a vase A first-surface mirror coated with aluminium and enhanced with dielectric coatings. The angle of the incident light (represented by both the light in the mirror and the shadow behind it) exactly matches the angle of reflection (the reflected light shining on the table). 4.5-metre (15 ft)-tall acoustic mirror near Kilnsea Grange, East Yorkshire, UK, from ...
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Niacin is available as a prescription product, either immediate release (500 mg tablets; prescribed up to 3,000 mg/day) or extended release (500 and 1,000 mg tablets; prescribed up to 2,000 mg/day). In the US, niacin is also available as a dietary supplement at 500 to 1,000 mg/tablet. Niacin has sometimes been used in combination with other ...
The mirrors are considered one of the eight auspicious items or "ashtamangalyam" used in the entry of a bride at a wedding venue. [4] [1] Chief minister of Kerala Pinarayi Vijayan presented an Aranmula mirror to King Hamad of Bahrain during a visit there in 2017. The British Museum in London has an Aranmula mirror 45 centimeters tall in its ...
A man with pellagra, which is caused by a chronic lack of vitamin B 3 in the diet. Severe deficiency of niacin in the diet causes the disease pellagra, characterized by diarrhea, sun-sensitive dermatitis involving hyperpigmentation and thickening of the skin (see image), inflammation of the mouth and tongue, delirium, dementia, and if left untreated, death. [7]
Fast steering mirror, a mirror used in optics to compensate for tilt; Fecal sludge management, in sanitation; Field service management, in business management; First surface mirror, a type of mirror; Fixed Survey Meter, a radiation detector; Flail space model, in transportation safety; Free software movement, a technology-related social movement
Example of a label showing the amount of niacin (Vitamin B3), and specifying to be niacinamide in the ingredient section.. The United States Government adopted the terms niacin and niacinamide in 1942 as alternate names for nicotinic acid and nicotinamide, respectively, and encouraged their use in nontechnical contexts to avoid the public’s confusing them with the nearly unrelated (and toxic ...