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  2. Johnson's rule - Wikipedia

    en.wikipedia.org/wiki/Johnson's_rule

    Given significant idle time at the second work center (from waiting for the job to be finished at the first work center), job splitting may be used. If there are three work centers, Johnson's rules can still be applied if the minimum processing time in the first (and/or the third) work center is not less than the maximum processing time in the ...

  3. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    The Jiffy is the amount of time light takes to travel one femtometre (about the diameter of a nucleon). The Planck time is the time that light takes to travel one Planck length. The TU (for time unit) is a unit of time defined as 1024 μs for use in engineering. The svedberg is a time unit used for sedimentation rates (usually

  4. Spirometry - Wikipedia

    en.wikipedia.org/wiki/Spirometry

    Diffusing capacity (or DLCO) is the carbon monoxide uptake from a single inspiration in a standard time (usually 10 seconds). During the test the person inhales a test gas mixture that consisting of regular air that includes an inert tracer gas and CO, less than one percent. Since hemoglobin has a greater affinity to CO than oxygen the breath ...

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  6. Duty cycle - Wikipedia

    en.wikipedia.org/wiki/Duty_cycle

    Similarly, for pulse (10001000) the duty cycle will be 25% because the pulse remains high only for 1/4 of the period and remains low for 3/4 of the period. Electrical motors typically use less than a 100% duty cycle. For example, if a motor runs for one out of 100 seconds, or 1/100 of the time, then, its duty cycle is 1/100, or 1 percent. [10]

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  8. Rate-determining step - Wikipedia

    en.wikipedia.org/wiki/Rate-determining_step

    The statement that the first step is the slow step actually means that the first step in the reverse direction is slower than the second step in the forward direction, so that almost all NO 3 is consumed by reaction with CO and not with NO. That is, r −1 ≪ r 2, so that r 1 − r 2 ≈ 0.

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