constant pressure control
61hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …
62Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
63Compressibility — This article is about thermodynamics and fluid mechanics. For other uses, see Compression (disambiguation). Incompressibility redirects here. For the property of vector fields, see Solenoidal vector field. Thermodynamics …
64Искусственное дыхание — Эту статью следует викифицировать. Пожалуйста, оформите её согласно правилам оформления статей. Искусственное дыхание (искусственная вентиляция легких, ИВЛ)  комплекс мер, направленных на поддержание оборота в …
65Thailand — /tuy land , leuhnd/, n. 1. Formerly, Siam. a kingdom in SE Asia: official name of Siam 1939 45 and since 1949. 59,450,818; 198,242 sq. mi. (513,445 sq. km). Cap.: Bangkok. 2. Gulf of. Also called Gulf of Siam. an arm of the South China Sea, S of… …
66Modes of mechanical ventilation — Contents 1 Positive and negative pressure ventilation 1.1 Negative pressure ventilation 1.1.1 Types of negat …
67chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …
68Speed of sound — Sound is a vibration that travels through an elastic medium as a wave. The speed of sound describes how much distance such a wave travels in a certain amount of time. In SI Units with dry air at 20 °C (68 °F), the speed of sound is 343 m/s. This… …
69Calorimeter — This article is about heat measuring devices. For particle detectors, see Calorimeter (particle physics). The world’s first ice calorimeter, used in the winter of 1782 83, by Antoine Lavoisier and Pierre Simon Laplace, to determine the heat… …
70Choked flow — is a compressible flow effect. The parameter that becomes choked or limited is the velocity or the mass flow rate. Choked flow is a fluid dynamic condition associated with the Venturi effect. When a flowing fluid at a given pressure and… …
