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  2. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    A piping and instrumentation diagram (P&ID) is defined as follows: A diagram which shows the interconnection of process equipment and the instrumentation used to control the process. In the process industry, a standard set of symbols is used to prepare drawings of processes. The instrument symbols used in these drawings are generally based on ...

  3. ZS Associates - Wikipedia

    en.wikipedia.org/wiki/ZS_Associates

    www.zs.com. ZS Associates is a management consulting and professional services firm focusing on consulting, software, and technology, headquartered in Evanston, Illinois that provides services for clients in healthcare, private equity, and technology. The firm was founded in 1983 by two professors at Northwestern University who developed sales ...

  4. Orders of magnitude (time) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(time)

    Orders of magnitude (time) An order of magnitude of time is usually a decimal prefix or decimal order-of-magnitude quantity together with a base unit of time, like a microsecond or a million years. In some cases, the order of magnitude may be implied (usually 1), like a "second" or "year". In other cases, the quantity name implies the base unit ...

  5. Mass spectrum - Wikipedia

    en.wikipedia.org/wiki/Mass_spectrum

    Mass spectrum. Electron ionization mass spectrum of toluene [1]. Note parent peak corresponding to molecular mass M = 92 (C 7 H 8) and highest peak at M-1 = 91 (C 7 H 7, quasi-stable tropylium cation). A mass spectrum is a histogram plot of intensity vs. mass-to-charge ratio ( m/z) in a chemical sample, [1] usually acquired using an instrument ...

  6. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    Sample size determination or estimation is the act of choosing the number of observations or replicates to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined ...

  7. Sound Blaster Audigy - Wikipedia

    en.wikipedia.org/wiki/Sound_Blaster_Audigy

    The Sound Blaster Audigy 2 ZS (SB0350) was a revision of the Audigy 2 with a slightly improved signal-to-noise ratio (108 vs. 106 dB) and DTS-ES (Extended Surround) for DVD playback. The Audigy 2 ZS supports up to 7.1 speakers via 4-pole mini-jacks, although it used a non-conventional pin out: Side R/L are on Line Out 2/3, respectively.

  8. Scrabble letter distributions - Wikipedia

    en.wikipedia.org/wiki/Scrabble_letter_distributions

    V̄ represents vm or vn (as there was no U at the time). Note that W, unlike Ę/æ and œ, which were created at the same time, has no tile because there is no vv digraph in Latin. ıı represents 2 minims: ii, v, or n. ııı represents 3 minims: iii, iv, in, vi, ni, or m. The third distribution is as follows: 2 blank tiles (scoring 0 points)

  9. Occam's razor - Wikipedia

    en.wikipedia.org/wiki/Occam's_razor

    Occam's razor. In philosophy, Occam's razor (also spelled Ockham's razor or Ocham's razor; Latin: novacula Occami) is the problem-solving principle that recommends searching for explanations constructed with the smallest possible set of elements. It is also known as the principle of parsimony or the law of parsimony ( Latin: lex parsimoniae ).