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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 ...
Mean free path. In physics, mean free path is the average distance over which a moving particle (such as an atom, a molecule, or a photon) travels before substantially changing its direction or energy (or, in a specific context, other properties), typically as a result of one or more successive collisions with other particles.
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 ...
Take a ride on the frugal freeway. ‘I’ve had 16 free batteries’: This Florida woman used lifetime warranties to continually replace parts on her car for 43 years.
The Habakkuk Commentary or Pesher Habakkuk, labelled 1QpHab (Cave 1, Qumran, pesher, Habakkuk), was among the original seven Dead Sea Scrolls discovered in 1947 and published in 1951. Due to its early discovery and rapid publication, as well as its relatively pristine preservation, 1QpHab is one of the most frequently researched and analyzed ...
Matthew Henry. Matthew Henry (18 October 1662 – 22 June 1714) was a British Nonconformist minister and author who was born in Wales but spent much of his life in England. He is best known for the six-volume biblical commentary Exposition of the Old and New Testaments.
The Seventh-day Adventist Commentary Reference Series is a set of volumes produced primarily by Seventh-day Adventist scholars, and designed for both scholarly and popular level use. It includes the seven-volume Seventh-day Adventist Bible Commentary, the two-volume Seventh-day Adventist Encyclopedia, as well as the single volumes Seventh-day ...