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Bromochlorodifluoromethane (BCF), also referred to by the code numbers Halon 1211 and Freon 12B1, is a haloalkane with the chemical formula C F 2 Cl Br. It is used for fire suppression, especially for expensive equipment or items that could be damaged by the residue from other types of extinguishers. [ 1 ]
Tris (pentafluorophenyl)borane, sometimes referred to as "BCF", is the chemical compound (C6F5)3B. It is a white, volatile solid. The molecule consists of three pentafluorophenyl groups attached in a "paddle-wheel" manner to a central boron atom; the BC3 core is planar. It has been described as the “ideal Lewis acid ” because of its high ...
2.30 Lucky primes. 2.31 Mersenne primes. 2 ... The following table lists the first 1000 primes, with 20 columns of consecutive primes in each of the 50 rows. [1] 1 2 ...
August 6, 2024 at 5:08 PM. Rodin Eckenroth/FilmMagic via Getty Images. Star Trek actress Patti Yasutake has died at age 70. On Monday, Aug. 5, Yasutake died peacefully while surrounded by her ...
A federal law has forced nearly 122,000 disabled veterans to return lump-sum incentives they received to leave the military, according to new data obtained by NBC News.
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The Boeing 737 is an American narrow-body airliner produced by Boeing at its Renton factory in Washington.Developed to supplement the Boeing 727 on short and thin routes, the twinjet retained the 707 fuselage width and six abreast seating but with two underwing Pratt & Whitney JT8D low-bypass turbofan engines.