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A roughing pump is any vacuum pump (typically mechanical) used to initially evacuate a vacuum system, as a first stage towards achieving high vacuum or ultra high vacuum. The term "roughing pump" derives from the vacuum range it works in, "rough vacuum", above 1x10 −3 torr (0.1 Pa ).
IHN is usually sold as "flush-free" or "no-flush" niacin in units of 250, 500, or 1000 mg/tablets or capsules. In the US, it is sold as an over-the-counter formulation, and often is marketed and labeled as niacin, thus misleading consumers into thinking they are getting an active form of the medication.
It was a combination of the lipid-modifying drug/vitamin niacin in extended release form and the statin drug lovastatin (trade name Mevacor). The combination preparation was developed by Kos Pharmaceuticals, Inc., which was acquired by Abbott Laboratories in 2006, subsequently transferred to AbbVie Inc. when that company was spun off from ...
Liver disease or kidney disease: Niacin can accumulate in people with liver or kidney problems, potentially worsening their condition. [ 1 ] Bleeding disorders : Inositol nicotinate may slow blood clotting, increasing the risk of bleeding for individuals with clotting disorders or those undergoing surgery.
Example of a label showing the amount of niacin (Vitamin B3), and specifying to be niacinamide in the ingredient section.. The United States adopted in 1942 the terms niacin to nicotinic acid and niacinamide to nicotinamide to avoid references to nicotine, [12] [13] the terms were incorporated into the United States Adopted Name [14] that was created later in 1961.
In the United States, the Food and Drug Administration ruled in 2015 that picamilon does not fit any of the dietary ingredient categories in the Dietary Supplement Health and Education Act of 1994, [7] [9] namely that it is not a vitamin; a dietary mineral; an herb or other botanical; an amino acid; a dietary substance for use by humans to supplement the diet by increasing the total dietary ...
The sorption pump is a cyclic pump and its cycle has 3 phases: sorption, desorption and regeneration. In the sorption phase the pump is actually used to create a vacuum. . This is achieved by cooling the pump body to low temperatures, typically by immersing it in a Dewar flask filled with liquid nitro
Pellagra is a disease caused by a lack of the vitamin niacin (vitamin B 3). [2] Symptoms include inflamed skin, diarrhea, dementia, and sores in the mouth. [1] Areas of the skin exposed to friction and radiation are typically affected first. [1] Over time affected skin may become darker, stiffen, peel, or bleed. [1] [3]