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.
Definition. Blood Sugar-this term describes the amount of glucose in blood. Usually described in moles per liter or milligrams per deciliter. the standard level of blood sugar in humans is around 4,5-5,5 moles/liter.Too high or too low levels of blood sugar can result in serious health problems.efinition. Blood Sugar-this term describes the amount of glucose in blood. Usually described in moles per liter or milligrams per deciliter. the standard level of blood sugar in humans is around 4,5-5,5 moles/liter.