ISO 31 (Quantities and units, International Organization for Standardization, 1992) is a superseded international standard concerning physical quantities, units of measurement, their …

ISO 31-0 is the introductory part of international standard ISO 31 on quantities and units. It provides guidelines for using physical quantities, quantity and unit symbols, and coherent unit …

International Standard IS0 31-1 was prepared by Technical Committee lSO/TC 12, Quantities, units, symbols, conversion factors. This second edition cancels and replaces the first edition …

ISO/Guide 31:2015 is intended to help reference material (RM) producers in preparing clear and concise documentation to accompany an RM. It lists and explains mandatory, recommended …

Gives general information about principles concerning physical quantities, equations, quantity and unit symbols, and coherent unit systems, especially the International System of Units, SI, …

This part of IS0 31 gives general information about principles concerning physical quantities, equations, quantity and unit symbols, and coherent unit systems, especially the International …

ISO 31 （国际标准化组织 1992年制定的 质量 与 单位 标准）是一个被国际广泛认可的 物理量 和 量度 单位的样式指引。 全球的科学和教育文件中的公式都是参照这个标准列出的。 大多数国 …

Gives name, symbol and definition for 21 quantities and units of space and time. Where appropriate, conversion factors are also given. Annex A includes units based on the foot, …

ISO 31-1 [1] is the part of international standard ISO 31 that defines names and symbols for quantities and units related to space and time. It was superseded in 2006 by ISO 80000-3 and …

ISO 31-11:1992 was the part of international standard ISO 31 that defines mathematical signs and symbols for use in physical sciences and technology. It was superseded in 2009 by ISO 80000 …