1 A review of research involving human subjects by the IRB chair or by one or more experienced reviewers designated by the chair from among members of the IRB in accordance with the requirements set forth in 45 CFR 46.110. 2  Experimental subject (as defined by Department of Defense, or DOD).
Anvil clouds are the icy upper portions of cumulonimbus thunderstorm clouds that are caused by a rising of air in the lower portions of the atmosphere. When the rising air reaches 40,000-60,000 or more feet, it tends to spread out in a characteristic anvil shape.
Nimbostratus cloud. (Redirected from Nimbus cloud) Nimbostratus is a former Family C low-level stratiform genus that is now classified by the World Meteorological Organization (WMO) as a vertical or multi-level stratus type because it forms in the middle level or Ã©tage of the troposphere and usually spreads vertically into the low and high Ã©tages.