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  2. Gree Electric - Wikipedia

    en.wikipedia.org/wiki/Gree_Electric

    Gree Electric is a majority state-owned enterprise, primarily by the city of Zhuhai. [9] As of 31 December 2015, the largest shareholder of Gree Electric was Gree Group; it was followed by Hebei Jinghai Investment Guarantee (for 8.91%), China Securities Finance (for 2.99%), Central Huijin Investment (for 1.40%).

  3. NAND logic - Wikipedia

    en.wikipedia.org/wiki/NAND_logic

    A CMOS transistor NAND element. V dd denotes positive voltage.. In CMOS logic, if both of the A and B inputs are high, then both the NMOS transistors (bottom half of the diagram) will conduct, neither of the PMOS transistors (top half) will conduct, and a conductive path will be established between the output and Vss (ground), bringing the output low.

  4. EMC Symmetrix - Wikipedia

    en.wikipedia.org/wiki/EMC_Symmetrix

    The Symmetrix system was an EMC's enterprise storage array.It combined dozens of hard drives into a single virtual device that was then directly attached to a computer or I/O channel, or shared on a storage area network or a local area network.

  5. Sample and Data Relationship Format - Wikipedia

    en.wikipedia.org/wiki/Sample_and_Data...

    The Sample and Data Relationship Format (SDRF) is part of the MAGE-TAB standard for communicating the results of microarray investigations, including all information required for MIAME compliance.

  6. NAND gate - Wikipedia

    en.wikipedia.org/wiki/NAND_gate

    There are three symbols for NAND gates: the MIL/ANSI symbol, the IEC symbol and the deprecated DIN symbol sometimes found on old schematics. The ANSI symbol for the NAND gate is a standard AND gate with an inversion bubble connected.

  7. Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/Greek_alphabet

    The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC. [2] [3] It was derived from the earlier Phoenician alphabet, [4] and is the earliest known alphabetic script to have developed distinct letters for vowels as well as consonants. [5]

  8. North American Datum - Wikipedia

    en.wikipedia.org/wiki/North_American_Datum

    One well-known difference is the placement of the center of the Earth, with the two systems differing by about 2.2 metres (7.2 ft). [ 14 ] In addition, NAD 83 is defined to remain constant over time for points on the North American Plate , whereas WGS 84 is defined with respect to the average of stations all over the world.