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general quantities common quantities professional quantities general quantity 2.1-1998 general principles ball valves zinc content-na2edta titrimetric method introduction analysis lamp tungsten anodes
SL 2.2-1998 in English

SL 2.2-1998 in English

VALID

General quantities and units-water resources and hydropower

  • Issued on:1998-06-09
  • Implemented on:1997-05-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $300.00
$291.00


Scope

This standard is applicable to situations where common quantities and units are used in the field of water conservancy and hydropower technology. The general quantity and unit standards of water conservancy and hydropower are one of the three quantity and unit standards of water conservancy and hydropower. The three standards are: SL 2.1-1998 General principles of water conservancy, hydropower, units and symbols; SL 2.2-1998 General quantities and units of water conservancy and hydropower ; SL 2.3-1998 Water conservancy and hydropower professional quantities and units.

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