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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 ...
Bioconcentration. In aquatic toxicology, bioconcentration is the accumulation of a water-borne chemical substance in an organism exposed to the water. [1][2] There are several ways in which to measure and assess bioaccumulation and bioconcentration. These include: octanol-water partition coefficients (K OW), bioconcentration factors (BCF ...
Snow comprises individual ice crystals that grow while suspended in the atmosphere —usually within clouds—and then fall, accumulating on the ground where they undergo further changes. [2] It consists of frozen crystalline water throughout its life cycle, starting when, under suitable conditions, the ice crystals form in the atmosphere ...
Personally made firearms that fire one shot at a time are legal, as is 3D printing certain guns as a hobbyist. But further manufacturing faces a key legal test in October when the Supreme Court ...
Spades is all about bids, blinds and bags. Play Spades for free on Games.com alone or with a friend in this four player trick taking classic.
Snow White (2025 film) Snow White. (2025 film) Disney's Snow White, [4][1] or simply Snow White, is an upcoming American musical fantasy film directed by Marc Webb from a screenplay by Greta Gerwig and Erin Cressida Wilson. Produced by Walt Disney Pictures and Marc Platt Productions, it is a live-action reimagining [5][6] of Walt Disney ...
Tigers in the Snow. The Battle of the Bulge: Tigers in the Snow is a turn-based strategy computer wargame published in 1981 by Strategic Simulations. It was designed by Chuck Kroegel, David Landrey, and David Walker for the Apple II, Atari 8-bit computers, and TRS-80. It was later ported to the IBM PC and Commodore 64.