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  2. File:The lifetime chart corresponding to the lifetime table.pdf

    en.wikipedia.org/wiki/File:The_lifetime_chart...

    English: The lifetime chart corresponding to the lifetime table. Date: 29 June 2012: Source: Own work: Author: ... Version of PDF format: 1.5: Page size: 198.48 x 170 ...

  3. Boyce–Codd normal form - Wikipedia

    en.wikipedia.org/wiki/Boyce–Codd_normal_form

    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.

  4. BIM Collaboration Format - Wikipedia

    en.wikipedia.org/wiki/BIM_Collaboration_Format

    The BIM Collaboration Format (BCF) is a structured file format suited to issue tracking with a building information model. The BCF is designed primarily for defining views of a building model and associated information on collisions and errors connected with specific objects in the view. The BCF allows users of different BIM software, and/or ...

  5. 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 ...

  6. Bioconcentration - Wikipedia

    en.wikipedia.org/wiki/Bioconcentration

    Fugacity and BCF relate to each other in the following equation: = [6] where Z Fish is equal to the Fugacity capacity of a chemical in the fish, P Fish is equal to the density of the fish (mass/length 3), BCF is the partition coefficient between the fish and the water (length 3 /mass) and H is equal to the Henry's law constant (Length 2 /Time 2) [6]

  7. Nelson rules - Wikipedia

    en.wikipedia.org/wiki/Nelson_rules

    Rule 1. One point is more than 3 standard deviations from the mean. One sample (two shown in this case) is grossly out of control. Rule 2. Nine (or more) points in a row are on the same side of the mean. Some prolonged bias exists. Rule 3. Six (or more) points in a row are continually increasing (or decreasing).

  8. AOL Mail

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    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  9. Low-cycle fatigue - Wikipedia

    en.wikipedia.org/wiki/Low-cycle_fatigue

    ε f ' is an empirical constant known as the fatigue ductility coefficient defined by the strain intercept at 2N =1; c is an empirical constant known as the fatigue ductility exponent, commonly ranging from -0.5 to -0.7. Small c results in long fatigue life. ς f ' is a constant known as the fatigue strength coefficient