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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 ]
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A table or chart of nuclides is a two-dimensional graph of isotopes of the elements, in which one axis represents the number of neutrons (symbol N) and the other represents the number of protons (atomic number, symbol Z) in the atomic nucleus. Each point plotted on the graph thus represents a nuclide of a known or hypothetical chemical element.
She could keep the car after many miles and many years, thanks to the lifetime warranties that fully covered her seven mufflers and 16 batteries. Some of these companies even updated her warranty ...
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Boyce–Codd normal form. Not to be confused with Backus–Naur form. Boyce–Codd normal form (BCNF or 3.5NF) is a normal form used in database normalization. It is a slightly stricter version of the third normal form (3NF). By using BCNF, a database will remove all redundancies based on functional dependencies.
If Popeye’s burger-loving friend Wimpy is your sprit animal, boy does Chili’s have a contest for you.. The fast-casual chain is offering one lucky winner a lifetime supply of free burgers ...
Reynolds’ father experienced hallucinations and delusions, known as psychosis. Early symptoms of Parkinson’s include constipation, loss of smell, and stooped posture. Stigma still persists ...