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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 ...
In the 2020 election, President Joe Biden’s victory in Georgia came down to just 11,779 votes. There are now over 82,000 South Asian eligible voters in the state. Voters there say they’ve seen ...
The most popular of President Biden’s recent proposals to reform the Supreme Court is to limit the justices to staggered terms of 18 years. This idea is also among the five proposed amendments ...
A New York judge said Friday he won’t force state election officials to tell voters that a proposed antidiscrimination amendment to the state’s constitution would protect abortion rights ...
Carrier lifetime. A definition in semiconductor physics, carrier lifetime is defined as the average time it takes for a minority carrier to recombine. The process through which this is done is typically known as minority carrier recombination. The energy released due to recombination can be either thermal, thereby heating up the semiconductor ...
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 ...