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e. New York City Subway nomenclature is the terminology used in the New York City Subway system as derived from railroading practice, historical origins of the system, and engineering, publicity, and legal usage. Important terms include lines, or individual sections of subway, like the BMT Brighton Line; services, like the B, which is a single ...
Amyloid beta (Aβ or Abeta) denotes peptides of 36–43 amino acids that are the main component of the amyloid plaques found in the brains of people with Alzheimer's disease. The peptides derive from the amyloid-beta precursor protein (APP), which is cleaved by beta secretase and gamma secretase to yield Aβ in a cholesterol-dependent process ...
MTA Construction and Development Company is a subsidiary of the Metropolitan Transportation Authority (MTA), formed in July 2003 as MTA Capital Construction Company to manage the MTA's major capital projects in the New York metropolitan area. It mainly focuses on improving transportation infrastructure and facilities in New York City, the ...
Beta angle ( ) In orbital spaceflight, the beta angle ( ) is the angle between a satellite 's orbital plane around Earth and the geocentric position of the Sun. [1] The beta angle determines the percentage of time that a satellite in low Earth orbit (LEO) spends in direct sunlight, absorbing solar energy. [2]
The Beta 1 was a non-rigid airship constructed for experimental purposes in the United Kingdom by the Army Balloon Factory in 1910. Reconstructed as Beta II , it was used successfully by the British Army and then by the Royal Naval Air Service as HMA No.17 , and was finally struck off charge in 1916.
Iman Mersal graduated from Mansoura University, and received her MA and PhD from Cairo University. [2] She co-founded Bint al-Ard (Daughter of the Earth), which she co-edited from 1986 to 1992. [3] [4] She immigrated to Boston, in 1998, and then to Edmonton, Alberta with her family in 1999. Mersal serves as Associate Professor of Arabic ...
Beta diversity. In ecology, beta diversity (β-diversity or true beta diversity) is the ratio between regional and local species diversity. The term was introduced by R. H. Whittaker [1] together with the terms alpha diversity (α-diversity) and gamma diversity (γ-diversity). The idea was that the total species diversity in a landscape (γ) is ...
Beta Theta was a "hybrid" chapter that included both undergraduate and alumni members until Denver Alumni was chartered fifteen years later. Beta Iota 1939 Xavier University of Louisiana: New Orleans, LA: Active Beta Kappa 1940 University of the District of Columbia: Washington, D.C. Active Beta Lambda 1940 Lane College: Jackson, TN: Active ...