Katalog OKO

Naslovnica Gor Kazalo Iskanje

 

 

 389  Metrologija
            Metrology

 


Hiperviri (Hypersources)

  1. International System of Units - Wikipedia, the free encyclopedia
  2. International System of Units from NIST
  3. Units of Measurement
  4. Worldwide Metric Conversion Calculator

International System of Units - Wikipedia, the free encyclopedia

Tip vira / Resource type: enciklopedija / encyclopedia

Avtorsko varstvo (Copyright): © Wikipedia, the free encyclopedia

Opis (Description): mednarodni sistem merskih enot, SI,  (okrajšava iz francoščine SI = Le Systeme International d'Unités) je sodobna oblika metričnega sistema in navadno temelji na številki 10. Sistem SI se je leta 1960 razvil iz starega sistema meter-kilogram-sekunda (mks) in ne iz sistema centimeter-gram-sekunda (cgs). Sistem SI ni statičen, zato se merske enote in njihove definicije razvijajo z mednarodnimi dogovori z državami, v skladu z napredkom merskih tehnologij in z izboljšano natančnostjo meritev. ZDA in Velika Britanija poleg SI-enot še uporabljajo številne stare merske enote. Vsebina: zgodovina, merske enote, pretvorniki merskih enot, konvergenca dolžine, mase in temperature, kulturni vidiki (trgovina), reference, zunanje povezave. [Zapis: 12.6.2008]

Description (Opis): The International System of Units (abbreviated SI from the French Le Systeme International d'Unités) is the modern form of the metric system and is generally a system devised around the convenience of the number 10. The SI was developed in 1960 from the old metre-kilogram-second (mks) system, rather than the centimetre-gram-second (cgs) system, which, in turn, had a few variants. Because the SI is not static units are created and definitions are modified through international agreement among many nations as the technology of measurement progresses, and as the precision of measurements improves. United States and United Kingdom still uses many old units in addition to SI. Contents: History, Measure units, Conversion factors, Length, mass and temperature convergence, Cultural issues (Trade), References, External links. [Record: June 12, 2008]

Ključne besede / Keywords: mednarodni sistem merskih enot; merske enote; metrologija / international system of units; measure units; metrology

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International System of Units from NIST

Tip vira / Resource type: tabele / tables

Avtorsko varstvo (Copyright): © NIST

Opis (Description): dostopne so informacije sodobne znanosti in tehnologije iz fizikalnega laboratorija NIST. Vsebina: bistvo sistema merskih enot (uvod, enote SI, enote izven SI, pravila pretvorbe), ozadje (definicije enot SI in njihov zgodovinski vidik, mednarodni vidik SI, pretvorba enot), bibliografije (online publikacije in citati). Informacije o sprejetju in vzdrževanju sistema SI so na voljo pod “Mednarodni vidiki SI”. [Zapis: 12.6.2008]

Description (Opis): information of modern science and technology from the Physics Laboratory of NIST are accessible. Contens: Essentials of the SI (introduction, SI units and prefixes, Units outside the SI, Rules and style conventions), Background (definitions of the SI base units and their historical context, International aspects of the SI, Unit conversions), Bibliography (Online publications and citations). Information regarding the adoption and maintenance of the SI may be found in the section International aspects of the SI. [Record: June 12, 2008]

Ključne besede / Keywords: mednarodni sistem merskih enot; merske enote; metrologija / international system of units; measure units; metrology

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Units of Measurement

Tip vira / Resource type: slovar merskih enot, tabele / dictionary of measure units, tables

Avtor (Author): Russ Rowlett, Center for Mathematics and Science Education, University of North Carolina, Chapel Hill

Avtorsko varstvo (Copyright): © Russ Rowlett; University of North Carolina, Chapel Hill

Opis (Description): na voljo je slovar merskih enot: mednarodni sistem merskih enot (SI), angleški merski sistem in decimalni sistem. Koliko mikrogramov (µg) je v 1 miligramu (mg)?  1000 mikrogramov = 1 milligram, 1000 milligramov = 1 gram. [Zapis: 15.01.2001]

Description (Opis): Dictionary of Units of Measurement is available: International System of Units (SI), English Measure System and Decimal System. How many micrograms (µg, ug or mcg) in a milligram (mg)? 1000 micrograms = 1 milligram, and 1000 milligrams = 1 gram. [Record: January 15, 2001]

Ključne besede / Keywords: mednarodni sistem merskih enot; merske enote; metrologija / international system of units; measure units; metrology 

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Worldwide Metric Conversion Calculator

Tip vira / Resource type: pretvornik merskih enot / measure units conversion calculator

Avtorsko varstvo (Copyright): © World Wide Metric, Inc.

Opis (Description): na voljo so pretvorniki merskih enot: dolžina, masa, tlak, prostornina, temperatura. Lahko se poslužimo tudi pretvornika valut. [Zapis: 12.6.2008]

Description (Opis): Measure units conversion calculators are available: length, weight, pressure, volume, temperature. Currency converter is also available. [Record: June 12, 2008]

Ključne besede / Keywords: mednarodni sistem merskih enot; merske enote; metrologija / international system of units; measure units; metrology

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