Brazil nuts are especially high in selenium, containing 544 micrograms, and other tree nuts such as almonds and cashews have high amounts of both selenium and magnesium. Whole grains such as wheat and oats are also high in both minerals, with up to 160 milligrams magnesium and 60 micrograms selenium per serving.
Medical Definition of wheal. : a suddenly formed elevation of the skin surface: asa: welt; especially : a flat burning or itching eminence on the skinb: the transient lump occurring at the site of injection of a solution before the solution is normally dispersed.
Preheat, as defined within the AWS Standard Welding Terms and Definition, is âthe heat applied to the base metal or substrate to attain and maintain preheat temperatureâ. The preheat temperature is defined by the same document as âthe temperature of the base metal in the volume surrounding the point of welding immediately before welding is started. In a multipass weld, it is also the temperature immediately before the second and subsequent passes are startedâ (Interpass Temperature).