Heat distribution unit. The Heat Distribution Unit (HDU), also known as a Heat Interface Unit (HIU), provides domestic hot water (DHW) and space heating to properties that are serviced from district heating or centralised boiler plants.
Called hypoglycemia, this deficiency of glucose in the blood is considered critical at, or below, 40 milligrams of glucose per deciliter of blood, or 40 mg/dL. However, this figure must be adjusted individually, as the exact level at which an a person develops symptoms varies.
The glycemic index of glucose is 100 points where potatoes are usually listed as being in the high 80's or low 90's. Sucrose (table sugar), on the other hand, is a disaccharide (two sugar) molecule made up of one glucose molecule and one fructose molecule joined together.