start exposure
111Photoaging — or photoageing[1] (also known as Dermatoheliosis [2]) is a term used for the characteristic changes induced by chronic UVA and UVB exposure.[3]:29 Tretinoin is the best studied retinoid in the treatment of photoaging[4] The deterioration of… …
112Marine mammals and sonar — A Humpback whale Active sonar, the transmission equipment used on some ships to assist with navigation, has been suggested[1] to be detrimental to the health and livelihood of some marine animals, although the precise mechanisms for this are not… …
113Electron beam lithography — (often abbreviated as e beam lithography) is the practice of scanning a beam of electrons in a patterned fashion across a surface covered with a film (called the resist),cite book |last= McCord |first=M. A. |coauthors=M. J. Rooks |title=… …
114Rollei 35 — The S designates it has a Sonnar 2,8/40mm lens Ilford 35 mm film cartridge for scale.] The Rollei 35 is a 35mm miniature viewfinder camera built by Rollei. The original Rollei 35, when presented to the public at the photokina in 1966, was the… …
115Minolta Dynax 9 — Vorderansicht der Minolta Dynax 9 (hier mit Gehäusedeckel BC 1000, Hochformatfunktionsgriff VC 9 und Handschlaufe HS 1) …
116Diesel exhaust — A diesel powered truck emitting sooty exhaust gas while starting its engine. Diesel exhaust (known as clag when emitted by diesel locomotives, or diesel engine emissions in scientific papers) is the exhaust gas of a diesel engine. In diesel… …
117Ozone — For other uses, see Ozone (disambiguation). Ozone …
118Photolithography — For earlier uses of photolithography in printing, see Lithography. For the same process applied to metal, see Photochemical machining. Photolithography (or optical lithography ) is a process used in microfabrication to selectively remove parts of …
119Claustrophobia — This article is about the fear of enclosed spaces. For 2004 film, see Claustrophobia (2004 film). For 2008 film, see Claustrophobia (2008 film). Getting caught in a small hole, due to cave ins or suddenly finding the den of a dangerous animal,… …
120New Orleans Mardi Gras — Revelers on St. Charles Avenue, 2007 Mardi Gras (Fat Tuesday in English) in New Orleans, Louisiana, is a Carnival celebration well known throughout the world. The New Orleans Carnival season, with roots in preparing for the start of the Christian …
