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  2. Monitor unit - Wikipedia

    en.wikipedia.org/wiki/Monitor_unit

    [2] [3] The most common definitions are: [4] The monitor chamber reads 100 MU when an absorbed dose of 1 gray (100 rads) is delivered to a point at the depth of maximum dose in a water-equivalent phantom whose surface is at the isocenter of the machine (i.e. usually at 100 cm from the source) with a field size at the surface of 10 cm × 10 cm.

  3. Joshua's Law - Wikipedia

    en.wikipedia.org/wiki/Joshua's_Law

    Joshua’s Law is a Georgia state law enacted in 2007 [1] changing the driver's license requirements for teen drivers. [2] A teen driver must meet the new requirements to obtain a Georgia driver’s license. The law was named after Joshua Brown, who died in an accident in 2003. [3]

  4. Source measure unit - Wikipedia

    en.wikipedia.org/wiki/Source_measure_unit

    The source measure unit (SMU), or source-measurement unit, is an electronic instrument that is capable of both sourcing and measuring at the same time. It can precisely force voltage or current and simultaneously measure precise voltage and/or current. An SMU instrument can source and sink power in all four quadrants.

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  6. Multiple-unit train control - Wikipedia

    en.wikipedia.org/wiki/Multiple-unit_train_control

    Two ICE 2 trains operating in multiple-unit train control in Bielefeld, Germany. Multiple-unit train control, sometimes abbreviated to multiple-unit or MU, is a method of simultaneously controlling all the traction equipment in a train from a single location—whether it is a multiple unit comprising a number of self-powered passenger cars or a set of locomotives—with only a control signal ...

  7. List of metric units - Wikipedia

    en.wikipedia.org/wiki/List_of_metric_units

    The outhouse is a unit of area used in nuclear physics equal to 10 −6 barns (100 am 2 = 10 −34 m 2). The barn (b) is a unit of area used in nuclear physics equal to one hundred femtometres squared (100 fm 2 = 10 −28 m 2). The are (a) is a unit of area equal to 100 m 2. The decare (daa) is a unit of area equal to 1000 m 2.

  8. Vacuum permeability - Wikipedia

    en.wikipedia.org/wiki/Vacuum_permeability

    It is a physical constant, conventionally written as μ 0 (pronounced "mu nought" or "mu zero"). It quantifies the strength of the magnetic field induced by an electric current. Expressed in terms of SI base units, it has the unit kg⋅m⋅s2 ⋅A −2. It can be also expressed in terms of SI derived units, N⋅A −2.

  9. Multiple unit - Wikipedia

    en.wikipedia.org/wiki/Multiple_unit

    A new high-speed MU, the AGV, was unveiled by France's Alstom on 5 February 2008. It has a claimed service speed of 360 km/h (220 mph). India's ICF announced the country's first high-speed engine-less train named 'train 18', which would run at 250 km/h maximum speed. [4]