valve breathing
51Cardiac output — (Q or or CO ) is the volume of blood being pumped by the heart, in particular by a left or right ventricle in the time interval of one minute. CO may be measured in many ways, for example dm3/min (1 dm3 equals 1000 cm3 or 1 litre). Q is… …
52Professional diving — Hardhat diving redirects here. Often, hardhat diving is used to specifically mean diving in the old type Standard diving dress. A US Navy diver at work. The umbilical supplying air from the surface is clearly visible Professional diving is a type …
53Ford Windsor engine — Infobox Automobile engine name = Ford Windsor V8 aka = manufacturer = Ford Motor Company type = V8 bore = stroke = displacement = 221,255,260,289,302,351 length = diameter = width = height = weight = block = Cast Iron head = valvetrain = OHV… …
54Manifold (scuba) — Schematic representation of double diving cylinders connected with isolating manifold. In scuba diving a manifold is used to connect two diving cylinders (tanks) with breathing gas, providing a greater amount of gas for longer dive times and… …
55List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …
56Doing It Right — DIR diver Doing It Right (DIR) is a holistic approach to scuba diving. According to the DIR approach fundamental skills, teamwork, environmental awareness, and the use of a highly optimized/streamlined (i.e. minimalistic) equipment configuration… …
57Siebe Gorman Salvus — The Salvus is a light oxygen rebreather for industrial use (including by firemen and in coalmine rescue) or in shallow diving. Its duration on a filling is 30 to 40 minutes. It was very common in Britain during World War II and for a long time… …
58Scott 2.2/ 3.5/ 4.5 Air-Pak SCBA — The Scott Air Pak SCBA is an open circuit, self contained breathing apparatus designed to meet the National Fire Protection Association (NFPA)Standard 1981. All components, excluding the air cylinder, have been designed and manufactured by Scott… …
59Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …
60Hyperbaric medicine — Hyperbaric medicine, also known as hyperbaric oxygen therapy (HBOT) is the medical use of oxygen at a higher than atmospheric pressure. Uses Several therapeutic principles are made use of in HBOT: *The increased overall pressure is of therapeutic …
