gas plenum
51Industrial history of the People's Republic of China — Main articles: Economy and economic history of the People s Republic of China. China s industrial sector has shown great progress since 1949, but in the late 1980s it remained undeveloped in many respects. Although the country manufactured… …
52Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …
53Cooling tower — Natural draft wet cooling hyperboloid towers at Didcot Power Station, UK …
54BMW M62 — Infobox Automobile name=BMW M62/S62 manufacturer=BMW production=1994 ndash;2005 class=DOHC 90° V8 predecessor=BMW M60 successor=BMW N62 engine=3.5 L (3498 cc/213 in³) 4.4 L (4398 cc/268 in³) 4.6 L (4619 cc/281 in³) 4.9 L (4941 cc/301 in³) similar …
55Agua — Para otros usos de este término, véase Agua (desambiguación). Para las propiedades físicas y químicas del agua, véase Molécula de agua …
56Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …
57Chemical equilibrium — In a chemical reaction, chemical equilibrium is the state in which the concentrations of the reactants and products have not yet changed with time. It occurs only in reversible reactions, and not in irreversible reactions. Usually, this state… …
58Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …
59Inerting system — An inerting system is a device that attempts to increase the safety of a fuel tank, ball mill, or other sealed or closed in tank that contains highly flammable material, by pumping nitrogen, steam, carbon dioxide, or some other inert gas or vapor …
60Air dryer — A compressed air dryer is a device for removing water vapor from compressed air. Compressed air dryers are commonly found in a wide range of industrial and commercial facilities. The process of air compression concentrates atmospheric… …
