closed-tube diffusion
71History of film — This article is about the history of cinema. For other uses, see History of photography. Years in film 1870s 1880s 1890s …
72Cooling tower — Natural draft wet cooling hyperboloid towers at Didcot Power Station, UK …
73Scuba diving — Not to be confused with Self contained breathing apparatus, which describes breathing sets used out of water. Scuba diver Scuba diving ( SCUBA originally being an acronym for self contained underwater breathing apparatus, now widely considered a… …
74broadcasting — /brawd kas ting, kah sting/, n. 1. the act of transmitting speech, music, visual images, etc., as by radio or television. 2. radio or television as a business or profession: She s training for a career in broadcasting. [1920 25; BROADCAST + ING1] …
75Nuclear reactor — Core of CROCUS, a small nuclear reactor used for research at the EPFL in Switzerland This article is a subarticle of Nuclear power. A nuclear reactor is a device to initiate and control a sustained nuclear chain reaction. Most commonly they are… …
76Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… …
77Pebble bed reactor — Sketch of a pebble bed reactor in Italian …
78Television — For other uses, see Television (disambiguation). TV redirects here. For other uses, see TV (disambiguation) …
79Magnesium diboride — Identifiers CAS number …
80Thoracotomy — Intervention ICD 9 CM 34.02 MeSH …
