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2. Maker-checker - Wikipedia

   en.wikipedia.org/wiki/Maker-checker

   Maker-checker (or Maker and Checker or 4-Eyes) is one of the central principles of authorization in the information systems of financial organizations. The principle of maker and checker means that for each transaction, there must be at least two individuals necessary for its completion. While one individual may create a transaction, the other ...

3. Shunt generator - Wikipedia

   en.wikipedia.org/wiki/Shunt_generator

   Shunt generator. Generator separately excited by battery. Self exciting generators. Series on left, shunt on right. A shunt generator is a type of electric generator in which field winding and armature winding are connected in parallel, and in which the armature supplies both the load current and the field current for the excitation (generator ...

4. Xcel Energy - Wikipedia

   en.wikipedia.org/wiki/Xcel_Energy

   Xcel Energy. Xcel Energy Inc. is a U.S. regulated electric utility and natural gas delivery company based in Minneapolis, Minnesota, serving more than 3.7 million electric customers and 2.1 million natural gas customers across parts of eight states (Colorado, Minnesota, Wisconsin, Michigan, North Dakota, South Dakota, Texas and New Mexico). [3]

5. OLE Automation - Wikipedia

   en.wikipedia.org/wiki/OLE_Automation

   OLE Automation. In Microsoft Windows applications programming, OLE Automation (later renamed to simply Automation [1] [2]) is an inter-process communication mechanism created by Microsoft. It is based on a subset of Component Object Model (COM) that was intended for use by scripting languages – originally Visual Basic – but now is used by ...

6. Graham number - Wikipedia

   en.wikipedia.org/wiki/Graham_number

   The Graham number or Benjamin Graham number is a figure used in securities investing that measures a stock 's so-called fair value. [1] Named after Benjamin Graham, the founder of value investing, the Graham number can be calculated as follows: The final number is, theoretically, the maximum price that a defensive investor should pay for the ...

7. Vortex generator - Wikipedia

   en.wikipedia.org/wiki/Vortex_generator

   A vortex generator ( VG) is an aerodynamic device, consisting of a small vane usually attached to a lifting surface (or airfoil, such as an aircraft wing) [1] or a rotor blade of a wind turbine. [2] VGs may also be attached to some part of an aerodynamic vehicle such as an aircraft fuselage or a car. When the airfoil or the body is in motion ...