two-level ventilation
1Ventilation (architecture) — Ventilation is the intentional movement of air from outside a building to the inside. It is the V in HVAC. With clothes dryers, and combustion equipment such as water heaters, boilers, fireplaces, and wood stoves, their exhausts are often called… …
2Pressure controlled intermittent mandatory ventilation — (PC IMV) is any mode of mechanical ventilation with preset inspiratory pressure (Pressure Control) and inspiratory time (Ti). Spontaneous breaths (i.e., inspiration is patient triggered and patient cycled) can exist between mandatory breaths… …
3Modes of mechanical ventilation — Contents 1 Positive and negative pressure ventilation 1.1 Negative pressure ventilation 1.1.1 Types of negat …
4Natural ventilation — The ventilation system of a regular earthship. Natural ventilation is the process of supplying and removing air through an indoor space without using mechanical systems. It refers to the flow of external air to an indoor space as a result of wind …
5Mechanical ventilation — In architecture and climate control, mechanical or forced ventilation is the use of powered equipment, e.g. fans and blowers, to move air  see ventilation (architecture). Mechanical ventilation Intervention …
6Biosafety level — A biosafety level is the level of the biocontainment precautions required to isolate dangerous biological agents in an enclosed facility. The levels of containment range from the lowest biosafety level 1 (BSL 1) to the highest at level 4 (BSL 4) …
7Displacement ventilation — See also: Underfloor air distribution Displacement ventilation is an room air distribution strategy where conditioned outdoor air is supplied at floor level and extracted above the occupied zone, usually at ceiling height.[1] Contents 1 System… …
8Crankcase ventilation system — A crankcase ventilation system is a way for gases to escape in a controlled manner from the crankcase of an internal combustion engine. A common type of such system is a positive crankcase ventilation (PCV) system, the heart of which is a PCV… …
9London deep-level shelters — The London deep level shelters are eight deep level air raid shelters that were built under London Underground stations during World War II. Contents 1 Background 2 Changing the face of London 3 In popular culture …
10двухфазная вентиляция — ДФВ Вентиляция с чередованием двух интервалов времени, в каждом из которых возможна раздельная установка длительности, режима вентиляции и (или) его характеристик. [ГОСТ Р 52423 2005] Тематики ингаляц. анестезия, искусств. вентиляц. легких… …
