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  2. Bioconcentration - Wikipedia

    en.wikipedia.org/wiki/Bioconcentration

    [15] t represents a unit of time (d −1). [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 ...

  3. Boyce–Codd normal form - Wikipedia

    en.wikipedia.org/wiki/Boyce–Codd_normal_form

    Note that even though in the above table Start time and End time attributes have no duplicate values for each of them, we still have to admit that in some other days two different bookings on court 1 and court 2 could start at the same time or end at the same time. This is the reason why {Start time} and {End time} cannot be considered as the ...

  4. Biopharmaceutics Classification System - Wikipedia

    en.wikipedia.org/wiki/Biopharmaceutics...

    The Biopharmaceutics Classification System (BCS) is a system to differentiate drugs on the basis of their solubility and permeability. [1] This system restricts the prediction using the parameters solubility and intestinal permeability. The solubility classification is based on a United States Pharmacopoeia (USP) aperture.

  5. 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 ]

  6. Why a ‘liquid gold’ substance for cows is making waves with ...

    www.aol.com/news/colostrum-supplements-worth...

    The cost of colostrum supplements can range from around $15 to $200 per bottle, partly depending on the quality — which is important since a higher calibermeans a lesser risk for contamination ...

  7. Survival analysis - Wikipedia

    en.wikipedia.org/wiki/Survival_analysis

    In the node on the far left, the values 1/33 indicate that one of the 33 subjects in the node had an event, and that the relative event rate is 0.122. In the node on the far right bottom, the values 11/15 indicate that 11 of 15 subjects in the node had an event, and the relative event rate is 2.7.

  8. Air Canada, pilots reach deal, averting strike that could ...

    www.aol.com/air-canada-pilots-reach-deal...

    September 15, 2024 at 11:39 AM. ... The ALPA said the deal would mean an additional $1.4 billion in value for members over its four-year term, representing a 46% increase over the previous ...

  9. 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 ...