共找到 515 条与 量和单位 相关的标准,共 35 页
This Technical Specification specifies identifiers for units to support computer-based processing of product data. It provides a survey of quantities with associated collections of internationally standardized as well as non-standardized units used in business and science. In scope are any standard or non-standard units of measure currently in use, in two or more distinct ethno-linguistic groups or nations, at least in one domain of industry, for which an explicit method of conversion to a known standard unit of measure or its equivalent is well documented or evident from external references. NOTE 1 The document collects units commonly used in business data. It does not purport to be complete.The standardization of units or parts thereof is out of scope. NOTE 2 Having assigned an identifier by being mentioned in IEC 62720 does not imply that the unit of measure in question or parts thereof may be considered to be standardized.
Identification of units of measurement for computer-based processing
ISO 80000-3 gives names, symbols and definitions for quantities and units of space and time. Where appropriate, conversion factors are also given.
Quantities and units - Part 3: Space and time (ISO/DIS 80000-3:2017); German and English version prEN ISO 80000-3:2017
IEEE/ASTM SI 10 American National Standard for Metric Practice
Quantities and units -- Part 12: Solid state physics
Quantities and units -- Part 11: Characteristic numbers
Quantities and units -- Part 9: Physical chemistry and molecular physics
Quantities and units -- Part 10: Atomic and nuclear physics
Quantities and units-Part 10:Atomic and nuclear physics
Quantities and units-Part 4:Mechanics
Quantities and units-Part 3:Space and time
Quantities and units-Part 5:Thermodynamics
Quantities and units-Part 2:Mathematical signs and symbols to be used in the natural sciences and technology
Quantities and units-Part 1:General
Quantities and units-Part 1:General
This part of IEC 60027 is applicable to rotating electric machines. It gives names and symbols for quantities and units
Letter symbols to be used in electrical technology - Part 4: Rotating electric machines
This part of IEC 60027 gives general information about logarithmic and related quantities, and their units. Names and symbols for logarithmic quantities are given in other parts of IEC 60027, mainly in part 2, in the context where they belong.
Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units
This part of IEC 60027 is applicable to control technology. It gives names and symbols for quantities, signals and functions, and their units.
Letter symbols to be used in electrical technology - Part 6: Control technology
Quantities and units - Part 9: Physical chemistry and molecular physics (ISO 80000-9:2009 + Amd 1:2011); German version EN ISO 80000-9:2013, Corrigendum to DIN EN ISO 80000-9:2013-08
Quantities and units -- Part 7: Light
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