Georeferencing is done with a datum. A datum is usually given by a starting point and direction: it specifies where a clearly identifiable point on earth (the base point) should appear on the spheroid and it shows where a base direction, such as north, points on the spheroid at the base point.
(Buffalo), Rochester Institute of Technology Physician Assistant Program, Rochester Institute of Technology Ultrasound Program, D Jefferson-Lewis BOCES in Watertown, St. Lawrence medical laboratory technician and radiologic technologist for taping. Hudson Mohawk AHEC.
Bolus, Gravity, and Intermittent Feeds. A bolus is a tube feed that is given like a meal. Typically, a larger amount is given in a short period of time, usually less than 30 minutes. There is often a break of several hours between feeds. Often, a child receives bolus feeds during the day and a continuous feeding at night. Sometimes infants will receive bolus feedings around the clock since this is a normal feeding pattern for newborns.