A room with one or more doors, all capable of being locked, protected by an intrusion alarm which creates an alarm upon the entry of a person anywhere into the room and upon exit from the room or upon movement of an individual within the room. Vena contracta Flow contraction with flow separation from the wall, usually occurring after constriction of a flow channel or just downstream of the entry point of an inlet. The act of admitting fresh air into a space in order to replace stale or contaminated air, achieved by blowing air into the space. Ventilation can be achieved both naturally and mechanically. After adequate treatment, offgas-system effluent may be combined with ventilation exhaust or may be discharged separately.
Ventilation rate See minute volume.
The ventricular cells are the ultimate progenitors of all neurons and macroglial cells of the central nervous system, and the zone itself becomes attenuated and eventually disappears as its cells become transformed. A device used to measure flow rate in a duct by measuring the pressure drop across a calibrated streamlined constriction. An act of confirming, substantiating, or assuring that an action, condition, or goal has been implemented, completed, or accomplished according to the specified requirements. Verification An act of confirming, sustaining, or assuring that an action, condition, or goals has been implemented, completed, or accomplished according to the specified requirements. The establishing of the validity of data or documentation.