共找到 268 条与 量和单位 相关的标准,共 18 页
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
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
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)
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)
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)
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
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
Use of the International System of Units (SI): The modern metric system; Errata
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
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
Covers letter symbols for units of measurement.
Standard Letter Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
Units - Part 1: Unit names, unit symbols
Quantities and units -- Part 0: General principles (Erratum 1)
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
AN60-5 Portable Aircraft Weighing Platform
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
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
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
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
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