angular closure
41Radiative transfer — The term radiative transfer refers to the physical phenomena of energy transfer in the form of electromagnetic radiation. The propagation of radiation through a medium is affected by absorption, emission and scattering processes. The equation of… …
42Charles H. Roe — A November 1978 built Roe body on a Leyland Atlantean AN68A/1R, new to South Yorkshire PTE as their 1633, pictured in Manchester with Citybus Charles H. Roe Ltd. was a Yorkshire coachbuilding company. It was for most of its life based at… …
43United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
44Caucasian languages — Group of languages spoken in the Caucasus region that are not members of any language families spoken elsewhere in the world. Caucasian languages, spoken by some nine million people, are divided into three subgroups: the South Caucasian, or… …
45gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… …
46syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… …
47PHYSICS — The material presented in this entry emphasizes those contributions which were important in arriving at verified present day scientific results, rather than those that may have appeared important at the time. Unavoidably it will overlap in parts… …
48Hong Kong — HK redirects here. For other uses, see HK (disambiguation). Coordinates: 22°16′42″N 114°09′32″E …
49Hangul — For other uses, see Hangul (disambiguation). Hangul 한글 Type …
50Year — A year (from Old English gēar) is the orbital period of the Earth moving around the Sun. For an observer on Earth, this corresponds to the period it takes the Sun to complete one course throughout the zodiac along the ecliptic. In astronomy, the… …
