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[15] k 1 is the rate constant for chemical uptake from water at the respiratory surface (L*kg −1 *d −1). [15] C WD is the chemical concentration dissolved in water (g*L −1 ). [ 15 ] k 2 ,k E ,k G ,k B are rate constants that represent excretion from the organism from the respiratory surface, fecal excretion, metabolic transformation, and ...
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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 ]
September 14, 2024 at 6:15 PM. New Starbucks (NASDAQ: SBUX) CEO Brian Niccol got about the warmest welcome in stock-market history when he was named the coffee giant's new chief in August. Shares ...
“I feel like I’ve lived almost a full lifetime in this one year,” Scheffler told reporters. “It’s been nuts.” “I’m exhausted right now,” he added.
Ian Casselberry. September 14, 2024 at 4:20 PM. Josh Williams scored on a two-yard touchdown run with 1:12 remaining in the game to give No. 16 LSU a hard-fought comeback 36–33 win over South ...
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 ...
Scholars deciphered inscriptions on 4,000-year-old tablets more than 100 years after they were originally discovered. Omens on the tablet threaten tragedies including famines, plagues, and invasions.