网站简介：Descriptions, equations, calculators, conversions and material data for engineering, mathematics, physics and chemistry.
网站简介：Serves the electrical testing industry by establishing standards and specifications, training and certifying testing technicians, and collecting and disseminating information and data of value to the electrical testing industry.
网站简介：Authority responsible for the formulation and publication of National Standards and ultimately their promotion and implementation in the community. Site information provides contact details, outlines participation in various research programs, publications and there are descriptions and map references for the various testing laboratories.
网站简介：RFC 3339 defines a date and time format for use in Internet protocols that is a profile of the ISO 8601 standard for representation of dates and times using the Gregorian calendar - by Graham Klyne and Chris Newman [FTP].
网站简介：An alphabetic list of the two-letter letter country codes used as internet top level domains, with the English-language country names.
网站简介：Put in a number and get the Chinese representation of that number. Also, converts from Arabic numeral back to the Chinese form.
网站简介：Information on organization, standardization activities and procedures and contact information.
网站简介：National Marine Electronics Association; issues standards for interfacing marine electronics devices.
网站简介：A free online unit conversion calculator covering a wide range of units.
网站简介：An organization of Space Agencies and produces recommendations and standards mainly for ground systems and their interface to space systems. The organization's work is detailed, and includes extensive repositories of the standards produced.
网站简介：ATIS is a membership organization that provides the tools necessary for the industry to identify standards, guidelines and operating procedures that make the interoperability of existing and emerging telecommunications products and services possible.
网站简介：Includes background information, membership details, and publications.
网站简介：Provides a set of unit converters with related information of each unit. Also it is possible to change the number system of the result.
网站简介：the trading arm of the Standards Council, the NZ standards organization.
网站简介：(ABYC) - develops consensus safety standards for the design, construction, equipage, maintenance, and repair of small craft, also provides martine technician training and certification. Information on membership and publications; contact address.
网站简介：Group campaigning for a single system of measurement. Advocacy resources and practical help.
网站简介：ISO 9001 consulting services for quality management systems in Melbourne, Australia.
网站简介：NSSN serves as a central point to search for standards information from many sources and serves as an important gateway connecting those who seek standards to those that supply them.
网站简介：Offers Russian building codes and standards in English.
网站简介：Information on the standardization process and how to participate, about standards conformity certification activities, management systems registration and laboratory assessment services.
网站简介：Provides expert consulting, training and auditing services for ISO 9001 and TS 16949 process management system standards.
网站简介：Includes documentation development, quality manual, procedures, templates, requirements checklist and flowcharts.
网站简介：Formerly CCIR. Deals with the standardization of wireless communication.
网站简介：Includes physical constants, online unit conversions, periodic table of elements, exact time, fundamental physical formulae and equations.
网站简介：A site promoting the metric system which argues why metric is better and English is worse. Provides an English-metric online calculator.