Biosafety 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) … Wikipedia
Natural 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 … Wikipedia
Stack effect — is the movement of air into and out of buildings, chimneys, flue gas stacks, or other containers, and is driven by buoyancy. Buoyancy occurs due to a difference in indoor to outdoor air density resulting from temperature and moisture differences … Wikipedia
Tirage thermique — Le tirage thermique, ou effet cheminée, est le mouvement de l air (dans les bâtiments, cheminées, conduites...) sous l effet de la poussée d Archimède. Sommaire 1 Description 2 Modélisation 2.1 Force motrice 2.2 … Wikipédia en Français
Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios … Wikipedia
Epidural — This article is about the anaesthetic technique. For the anatomical site, see Epidural space. For other uses, see Epidural (disambiguation). Did you mean Epidural hematoma, a type of traumatic brain injury? Epidural Intervention … Wikipedia
Atmosphere of Jupiter — Cloud pattern on Jupiter in 2000 The atmosphere of Jupiter is the largest planetary atmosphere in the Solar System. It is mostly made of molecular hydrogen and helium in roughly solar proportions; other chemical compounds are present only in… … Wikipedia
Jupiter — /jooh pi teuhr/, n. 1. Also called Jove. the supreme deity of the ancient Romans: the god of the heavens and of weather. Cf. Zeus. 2. Astron. the planet fifth in order from the sun, having an equatorial diameter of 88,729 mi. (142,796 km), a mean … Universalium
Deck stains — are exterior wood coatings that are used primarily for the protection and enhancement of exterior decking. Deck Stains are also known as: Deck Sealers, Deck Coatings, Deck Finishes, and Deck Paints. Deck stain s sealing abilities will protect the … Wikipedia
Engine braking — is where the retarding forces within an engine are used to slow a vehicle down, as opposed to using an external braking mechanism, for example friction brakes or magnetic brakes. The term is often confused with several other types of braking,… … Wikipedia
Atmosphere of Mercury — Atmosphere of Mercury[1] Species CD,[n 1] cm−2 SD,[n 2] cm−3 … Wikipedia