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Encyclopedia: International Bureau of Weights and Measures

The International Bureau of Weights and Measures is the English name of the Bureau international des poids et mesures (BIPM, often written in English Bureau International des Poids et Mesures), a standards organisation, one of the three organisations established to maintain the International System of Units (SI) under the terms of the Convention du Mètre (Metre Convention). Note that the abbreviation IBWM is not used.

Translations

How to say "International Bureau of Weights and Measures" in other languages:

	(Japanese)	国際度量衡局
	(German)	Internationales Büro für Maß und Gewicht
	(Spanish)	Oficina Internacional de Pesas y Medidas
	(French)	Bureau international des poids et mesures
	(Italian)	Bureau International des Poids et Mesures

Search results

Sèvres

Sèvres is a commune of the Hauts-de-Seine département in France. It is a suburb of Paris. The Bureau International des Poids et Mesures (International Bureau of Weights and Measures) in Sèvres keeps the standard kilogram, atomic clocks, and other metrological devices...

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International Atomic Time

auspices of the International Bureau of Weights and Measures. However, atomic clocks are so accurate that... of the International Earth Rotation and Reference Systems Service (IERS) (website) to ensure that, on... Temps Atomique International ( TAI ) or International Atomic Time is a very accurate and stable...

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Charles Edouard Guillaume

of Matter ] Guillaume, Charles-Edouard, " La Convention du Mètre et le Bureau international des Poids et Mesures ". 1902. [tr. Metrical Convention and the International Bureau of Weights and... in 1920 in recognition of the service he had rendered to precision measurements in Physics by his...

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Conférence Générale des Poids et Mesures

mass of the international prototype kilogram (IPK) made of platinum-iridium and kept at the International Bureau of Weights and Measures, Sèvres, France. International prototype metre sanctioned. 2nd... The Conférence Générale des Poids et Mesures (General Conference on Weights and Measures or...

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Metre

(1875) mandated the establishment of a permanent International Bureau of Weights and Measures (BIPM... between them and the basic units of other, nonmetric, weights and measures. This organization... Metre remained the standard until 1960, when the eleventh General Conference on Weights and Measures...

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SI base unit

of a specific cylinder of platinum-iridium alloy, kept at the International Bureau of Weights and Measures near Paris. There is an ongoing effort to introduce a definition by way of fundamental or... of infinite length, of negligible circular cross-section, and placed 1�metre apart in vacuum, would...

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Coordinated Universal Time

International Bureau of Weights and Measures (BIPM). However, local clusters of atomic clocks are sufficient... time , differs by an integral number of seconds from atomic time and a fractional number of seconds... is the successor of Greenwich Mean Time, abbreviated as GMT, and is still colloquially called GMT...

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Iridium

Bureau of Weights and Measures near Paris. These are made of an alloy of 90% platinum and 10% iridium... the demise of the dinosaurs. It is used in high temperature apparatus, electrical contacts, and as a... salts, such as NaCl and NaCN. The specific gravity of this element is only slightly lower than osmium...

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Kilogram

Bureau International des Poids et Mesures (International Bureau of Weights and Measures). Official... interferometry. The ion accumulation approach involves accumulation of gold atoms and measuring the... used to name multiples and subdivisions of the kilogram. The most commonly used ones are: tonne...

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Krypton

replaced by the International Bureau of Weights and Measures. A meter is now defined as the distance that.... It is one of the products of uranium fission. Solidified krypton is white and crystalline with a... by William Ramsay and Morris Travers in residue left from evaporating nearly all components of liquid...

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