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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. ß - Wikipedia

    en.wikipedia.org/wiki/ß

    Sulzbacher form ſs without ligature, but as a single type, with reduced spacing between the two letters; the ligature of ſ and s inherited from the 16th-century Antiqua typefaces; a ligature of ſ and ʒ , adapting the blackletter ligature to Antiqua; and; the Sulzbacher form.

  4. Absorbing Markov chain - Wikipedia

    en.wikipedia.org/wiki/Absorbing_Markov_chain

    The typical rates of transition between the Markov states are the probability p per unit time of being infected with the virus, w for the rate of window period removal (time until virus is detectable), q for quit/loss rate from the system, and d for detection, assuming a typical rate at which the health system administers tests of the blood ...

  5. Characteristic impedance - Wikipedia

    en.wikipedia.org/wiki/Characteristic_impedance

    The characteristic impedance of an infinite transmission line at a given angular frequency is the ratio of the voltage and current of a pure sinusoidal wave of the same frequency travelling along the line. This relation is also the case for finite transmission lines until the wave reaches the end of the line. Generally, a wave is reflected back ...

  6. Germany - Wikipedia

    en.wikipedia.org/wiki/Germany

    The English word Germany derives from the Latin Germania, which came into use after Julius Caesar adopted it for the peoples east of the Rhine. The German term Deutschland, originally diutisciu land ('the German lands') is derived from deutsch (cf. Dutch), descended from Old High German diutisc 'of the people' (from diot or diota 'people'), originally used to distinguish the language of the ...

  7. 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 ...

  8. ISO 8601 - Wikipedia

    en.wikipedia.org/wiki/ISO_8601

    t. e. ISO 8601 is an international standard covering the worldwide exchange and communication of date and time -related data. It is maintained by the International Organization for Standardization (ISO) and was first published in 1988, with updates in 1991, 2000, 2004, and 2019, and an amendment in 2022. [1]

  9. Zenzizenzizenzic - Wikipedia

    en.wikipedia.org/wiki/Zenzizenzizenzic

    Zenzizenzizenzic is an obsolete form of mathematical notation representing the eighth power of a number (that is, the zenzizenzizenzic of x is x 8), dating from a time when powers were written out in words rather than as superscript numbers.