A51 量和单位 标准查询与下载



共找到 268 条与 量和单位 相关的标准,共 18

ISO 80000-8 gives names, symbols and definitions for quantities and units of acoustics. Where appropriate, conversion factors are also given.

Quantities and units - Part 8: Acoustics

ICS
01.060
CCS
A51
发布
2007-06
实施

ISO 80000-5 gives names, symbols and definitions for quantities and units of thermodynamics. Where appropriate, conversion factors are also given.

Quantities and units - Part 5: Thermodynamics

ICS
01.060;17.200.01
CCS
A51
发布
2007-05
实施

In this Vocabulary, a set of definitions and associated terms is given, in English and French, for a system of basic and general concepts used in metrology, together with concept diagrams to demonstrate their relations. Additional information is given in the form of examples and notes under many definitions. This Vocabulary is meant to be a common reference for scientists and engineers — including physicists, chemists, medical scientists — as well as for both teachers and practitioners involved in planning or performing measurements, irrespective of the level of measurement uncertainty and irrespective of the field of application. It is also meant to be a reference for governmental and intergovernmental bodies, trade associations, accreditation bodies, regulators, and professional societies. Concepts used in different approaches to describing measurement are presented together. The member organizations of the JCGM can select the concepts and definitions in accordance with their respective terminologies. Nevertheless, this Vocabulary is intended to promote global harmonization of terminology used in metrology.

International vocabulary of metrology - Basic and general concepts and associated terms (VIM)

ICS
01.040.17;17.020
CCS
A51
发布
2007-01-01
实施

Provides definitions for physical quantities and units commonly used in applied science and technology, and for related terms that concern systems of measurement. Particular emphasis is placed on the International System of Units (SI).

Standard Definitions for Selected Quantities, Units, and Related Terms, with Special Attention to the International System of Units (SI)

ICS
01.060;17.020
CCS
A51
发布
2006-09-06
实施

Provides definitions for physical quantities and units commonly used in applied science and technology, and for related terms that concern systems of measurement. Particular emphasis is placed on the International System of Units (SI).

Selected Quantities, Units, and Related Terms, with Special Attention to the International System of Units (SI)

ICS
01.060
CCS
A51
发布
2006-03-30
实施

ISO 80000-4 gives the names, symbols and definitions for quantities and units of classical mechanics. Where appropriate, conversion factors are also given.

Quantities and units - Part 4: Mechanics

ICS
01.060
CCS
A51
发布
2006-03
实施

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

ICS
01.060
CCS
A51
发布
2006-03
实施

Use of the International System of Units (SI): The modern metric system; Errata

ICS
01.060
CCS
A51
发布
2005-04-11
实施

This document is part 8 of ISO 31, which deals with the quantities and units in the various fields of science and technology.

Quantities and units - Physical chemistry and molecular physics

ICS
01.060;07.030
CCS
A51
发布
2004-07-16
实施
2004-07-16

This standard provides conversion factors for units of measurement for a number of quantities, which are, or have been, in general use in engineering, industry and trade. The subjects covered are, broadly, metrology, mechanics and heat; the standard does not deal with purely electrical units. NOTE 1 SI units are normally recommended. However, in certain circumstances use of particular units is required by legislation. NOTE 2 Electrical and light units are given in BS 5775-5 and in BS 5775-6, respectively. NOTE 3 A commentary on imperial and metric systems of measurement and units is given in Annex A.

Conversion factors for units

ICS
01.060;17.020
CCS
A51
发布
2004-05-25
实施
2004-05-25

Covers letter symbols for units of measurement.

Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)

ICS
01.060;01.075
CCS
A51
发布
2004
实施

Units - Part 1: Unit names, unit symbols

ICS
01.060;01.075
CCS
A51
发布
2002-10
实施

Quantities and units -- Part 0: General principles (Erratum 1)

ICS
CCS
A51
发布
2002-06-10
实施

Guidance for the use of the modern metric system is given. Known as the International System of Units (abbreviated SI), the system is the bases for worldwide standardization of measurement units. Information is included on SI, a list of units recognized for use with SI, and a list of conversion factors, together with general guidance on proper style and usage.

IEEE/ASTM SI 10 American National Standard for Use of the International System of Units (SI): The Modern Metric System

ICS
380
CCS
A51
发布
2002
实施

AN60-5 Portable Aircraft Weighing Platform

ICS
CCS
A51
发布
2001-08-02
实施
2002-11-01

Windshield Heater System Test Set

ICS
CCS
A51
发布
2001-08-02
实施
2001-12-01

THE SPECIFIC PART STANDARD OR DRAWNG WHICH SPECIFIES THIS RECESS DRIVE BY REFERENCING THIS DOCXMENT SHALL SPEClM VALUES FOR DIMENSIONS J. W. T. AND DEPTH OF GAGE PENETRATION. IF THE VALUES SPECIFIED HEREIN ARE NOT COMPATIBLE WTH THE PART CONFIGURATION OR PERFORMANCE REQUIREMENTS.

Recess - Offset Cruciform, Ribbed Dimensions of Recess, Gage and Driver for Rev 2

ICS
CCS
A51
发布
2001-03-19
实施

この規格は,光及び関連する電磁放射に関する量並びに単位の名称及び記号について規定する。

Quantities and units -- Part 6: Light and related electromagnetic radiations

ICS
01.060
CCS
A51
发布
2000-03-20
实施

この規格は,音に関する量並びに単位の名称及び記号を規定する。

Quantities and units -- Part 7: Acoustics

ICS
01.060
CCS
A51
发布
2000-03-20
实施

この規格は,物理化学及び分子物埋学に関する量並びに単位の名称及び記号について規定する。

Quantities and units -- Part 8: Physical chemistry and molecular physics

ICS
01.060
CCS
A51
发布
2000-03-20
实施



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