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  2. Bioconcentration - Wikipedia

    en.wikipedia.org/wiki/Bioconcentration

    [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 ...

  3. Baldwin's rules - Wikipedia

    en.wikipedia.org/wiki/Baldwin's_rules

    Baldwin's rules in organic chemistry are a series of guidelines outlining the relative favorabilities of ring closure reactions in alicyclic compounds. They were first proposed by Jack Baldwin in 1976. [1][2] Baldwin's rules discuss the relative rates of ring closures of these various types. These terms are not meant to describe the absolute ...

  4. Tris(pentafluorophenyl)borane - Wikipedia

    en.wikipedia.org/wiki/Tris(pentafluorophenyl)borane

    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 ...

  5. 6-Carboxyfluorescein - Wikipedia

    en.wikipedia.org/wiki/6-carboxyfluorescein

    6-Carboxyfluorescein (6-FAM) is a fluorescent dye with an absorption wavelength of 495 nm and an emission wavelength of 517 nm. A carboxyfluorescein molecule is a fluorescein molecule with a carboxyl group added. They are commonly used as a tracer agents. It is used in the sequencing of nucleic acids and in the labeling of nucleotides.

  6. Bromochlorodifluoromethane - Wikipedia

    en.wikipedia.org/wiki/Bromochlorodifluoromethane

    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 ]

  7. Product lifetime - Wikipedia

    en.wikipedia.org/wiki/Product_lifetime

    Product lifetime or product lifespan is the time interval from when a product is sold to when it is discarded. [1] Product lifetime is slightly different from service life because the latter considers only the effective time the product is used. [1] It is also different from product economic life which refers to the point where maintaining a ...

  8. Here's a Handy Dandy Guide to Different Cuts of Beef - AOL

    www.aol.com/heres-handy-dandy-guide-different...

    October 27, 2024 at 5:00 AM. A Guide to Different Cuts of BeefThe Pioneer Woman. In case you didn't know, beef is a staple in the Drummond household. Whether it's chuck roast, brisket, or flank ...

  9. Basalt fiber - Wikipedia

    en.wikipedia.org/wiki/Basalt_fiber

    Basalt fiber. Basalt fibers are produced from basalt rocks by melting them and converting the melt into fibers. Basalts are rocks of igneous origin. The main energy consumption for the preparation of basalt raw materials to produce of fibers is made in natural conditions. Basalt fibers are classified into 3 types: Basalt continuous fibers (BCF ...

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