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Topic: International Bureau of Weights and Measures


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SI

In the News (Mon 9 Nov 09)

  
  Weights and Measures
Weights and measures are terms which traditionally referred to standards of mass (or weight), length and volume.
However, as measurement is one of the most fundamental aspects of science and engineering, the term now embraces a much wider gamut of units.
These base units and a large number of derived units are rigorously defined in the International System of Units (Système International d'Unités, or SI), a version of the metric system, formulated by and under the aegis of the International Bureau of Weights and Measures (BIPM).
www.thecanadianencyclopedia.com /index.cfm?PgNm=TCE&Params=A1ARTA0008514   (811 words)

  
 weights and measures. The Columbia Encyclopedia, Sixth Edition. 2001-05
The basic units of the English system, the yard of length and the pound of mass, are now defined in terms of the metric standards, the meter of length and the kilogram of mass.
Sets of official weights and measures were sent to the states in 1856, but legislation and enforcement are largely state prerogatives.
The federal government permitted the use of the metric system in 1866 and established a conversion table based on the yard and the pound; in 1893 the yard and the pound were redefined in terms of the metric prototypes of the meter and the kilogram.
www.bartleby.com /65/we/weightsN.html   (599 words)

  
 Weights and Measures - BERR
In the UK, transactions in goods by weight or measure are, in most cases, regulated by the Weights and Measures Act 1985 and its secondary legislation the Weights and Packaged Goods Regulations 2006.
The National Weights and Measures Laboratory (NWML) is responsible for the provisions of the Weights and Measures Act relating to measuring equipment and definitions of units of measurement.
The International Bureau of Weights and Measures (BIPM): Ensuring world-wide uniformity of measurements.
www.dti.gov.uk /consumers/buying-selling/weights-measures/page8844.html   (299 words)

  
 Weights Used for Precious Metals, Gemstones, Coins
The kilogram was defined as the weight of the International Prototype made of platinum and iridium which is held at the International Bureau of Weights and Measures in Sèvres in France.
According to one knowledgeable source, the pennyweight was introduced by Henry III in 1266 as the weight of 32 grains of wheat.
Weight is the force exerted by the mass of the object due to gravitational attraction.
www.24carat.co.uk /weights.html   (1567 words)

  
 Bement: National Conference on Weights and Measures Annual Meeting 2002
When Iowa's new superintendent of weights and measures instructed the 14 counties to submit the standards for the once-a-decade inspection required by law, the requests was largely ignored.
Sealer of weights and measures was a fully funded position, and this person worked closely with his counterparts in cities and towns.
Measurement equivalency is critical for the acceptance of test results for international trade and for human health and safety, worldwide.
www.nist.gov /speeches/bement_071602.htm   (2601 words)

  
 The International System (Metric) — FactMonster.com
The International System of Units is a modernized version of the metric system, established by international agreement, that provides a logical and interconnected framework for all measurements in science, industry, and commerce.
The standard for the kilogram is a cylinder of platinum-iridium alloy kept by the International Bureau of Weights and Measures at Paris.
Metric Weights and Measures - Metric Weights and Measures A millimicron is one thousandth of one millionth of one meter.
www.factmonster.com /ipka/A0001658.html   (494 words)

  
 Units: The International System
All systems of weights and measures, metric and non-metric, are linked through a network of international agreements supporting the International System of Units.
The International System is called the SI, using the first two initials of its French name Système International d'Unités.
units for measurement of magnetism: the weber (flux), tesla (flux density), and henry (inductance);
www.unc.edu /~rowlett/units/sipm.html   (1012 words)

  
 MSN Encarta - Romania
encarta.msn.com /encyclopedia_761559516/Romania.html   (1012 words)

  
 [No title]
www.rotravel.com /romania/history/cap1.php   (262 words)

  
 Romania - VisitEurope.com   (Site not responding. Last check: 2007-11-06)
www.visiteurope.com /romania.html   (285 words)

  
 Romania   (Site not responding. Last check: 2007-11-06)
flagspot.net /flags/ro.html   (1633 words)

  
 ICL - Romania - Constitution   (Site not responding. Last check: 2007-11-06)
www.oefre.unibe.ch /law/icl/ro00000_.html   (10035 words)

  
 Government of Romania   (Site not responding. Last check: 2007-11-06)
www.gov.ro /engleza   (2233 words)

  
 Southeastern Europe Country Analysis Brief
www.eia.doe.gov /emeu/cabs/romania.html   (2575 words)

  
 Amnesty International Report 2002 - Europe - ROMANIA
web.amnesty.org /web/ar2002.nsf/eur/romania!Open   (1613 words)

  
 Romania
travel.state.gov /travel/romania.html   (2499 words)

  
 Rome and Romania, Roman Emperors, Byzantine Emperors, etc.
www.friesian.com /romania.htm   (14386 words)

  
 Romania   (Site not responding. Last check: 2007-11-06)
www.infoplease.com /ipa/A0107905.html   (1082 words)

  
 ROMANIA - Official Travel and Tourism Information. History
www.romaniatourism.com /history.html   (1110 words)

  
 BBC NEWS | World | Europe | Country profiles | Country profile: Romania
news.bbc.co.uk /1/hi/world/europe/country_profiles/1057466.stm   (887 words)

  
 ICL - Romania Index   (Site not responding. Last check: 2007-11-06)
www.oefre.unibe.ch /law/icl/ro__indx.html   (672 words)

  
 Romania News
www.topix.net /world/romania   (1122 words)

  
 Romania Special Weapons   (Site not responding. Last check: 2007-11-06)
www.fas.org /nuke/guide/romania   (162 words)

  
 Romania Travel Information | Lonely Planet Destination Guide
www.lonelyplanet.com /worldguide/destinations/europe/romania   (190 words)

  
   Romania - In Your Pocket   (Site not responding. Last check: 2007-11-06)
www.inyourpocket.com /Romania/index.shtml   (354 words)

  
 CIA - The World Factbook -- Romania   (Site not responding. Last check: 2007-11-06)
www.cia.gov /cia/publications/factbook/geos/ro.html   (1432 words)

  
 Romania Maps - Perry-Castañeda Map Collection - UT Library Online
www.lib.utexas.edu /maps/romania.html   (149 words)

  
 Romania News - Media Monitoring Service by EIN News   (Site not responding. Last check: 2007-11-06)
www.einnews.com /romania   (675 words)

  
 romania map and information page
www.worldatlas.com /webimage/countrys/europe/ro.htm   (412 words)

  
 Ethnologue report for Romania   (Site not responding. Last check: 2007-11-06)
www.ethnologue.com /show_country.asp?name=Romania   (442 words)

  
 USAID Europe and Eurasia: Romania
www.usaid.gov /locations/europe_eurasia/countries/ro   (502 words)

  
 Romania : Country Studies - Federal Research Division, Library of Congress
lcweb2.loc.gov /frd/cs/rotoc.html   (187 words)

  
 WTO | Romania - Member information
www.wto.org /english/thewto_e/countries_e/romania_e.htm   (192 words)

  
 About Romania - Location, Flag, Map, Weather, Transportation
www.phpclasses.org /browse/country/ro   (91 words)

  
 International Bureau of Weights and Measures Information
The task of the BIPM is to ensure world-wide uniformity of measurements and their traceability to the International System of Units (SI).
It does this with the authority of the Convention du Mètre, a diplomatic treaty between fifty-one nations (as of 2005), and it operates through a series of Consultative Committees, whose members are the national metrology laboratories of the Member States of the Convention, and through its own laboratory work.
the International Committee for Weights and Measures (CIPM, Comité international des poids et mesures)
www.bookrags.com /International_Bureau_of_Weights_and_Measures   (179 words)

  
 ESA - Space Science - Home - The day LISA Pathfinder hung in the balance
Each is a small cube of a gold and platinum alloy, whose relative motion is measured by a laser beam.
The scientists still needed to precisely measure how the proof-masses respond to magnetic forces so that they can compensate for this in their calculations.
The measurements were conducted successfully over two days and take the LISA Pathfinder team one step closer to its scheduled launch date of 2009.
www.esa.int /esaSC/SEMUD5V74TE_index_2.html   (686 words)

  
 IEC - IEC in action > SI zone
The International System of Units, or SI (from its French name Système international d'unités) is a system of metric weights and measures that was adopted by the General Conference on Weights and Measures (CGPM or Conférence générale des poids et mesures) in 1960.
The SI is maintained by the International Bureau of Weights and Measures (BIPM or Bureau International des poids et mesures) and may be updated by the CGPM.
Although the IEC is the organization that provided the international forum for the relevant discussions to take place, many other organizations have been involved in the development and the maintenance of the SI system.
www.iec.ch /zone/si   (120 words)

  
 International Bureau of Weights and Measures   (Site not responding. Last check: 2007-11-06)
The International Prototype of the Kilogram, the sole remaining physical prototype of an SI unit, is kept at the Bureau, as well the International Prototype of the Meter.
The Bureau is an intergovernmental organization supported by the member nations in order to maintain and improve standards of measurement.
The BIPM is responsible to the International Committee for Weights and Measures (CIPM).
www.sizes.com /units/BIPM.htm   (211 words)

  
 BIPM - home page
Metrologia is an international journal dealing with the scientific aspects of metrology.
It does this with the authority of the Convention of the Metre, a diplomatic treaty between fifty-one nations, and it operates through a series of Consultative Committees, whose members are the national metrology laboratories of the Member States of the Convention, and through its own laboratory work.
New Associate of the CGPM - Tunisia : As of 23 October 2007, the Republic of Tunisia is an Associate of the CGPM – bringing the number of Associates to 25.
www.bipm.fr /en/home   (177 words)

  
 Bibliography: On-line official publications on the SI
The 7th edition of the brochure, which is the current definitive reference on the SI, was published in the French language in 1998 by the International Bureau of Weights and Measures (BIPM, Bureau International des Poids et Mesures), and a supplement to it was published in June 2000.
The BIPM SI Brochure, and thus SP 330, contains Resolutions and Recommendations of the General Conference on Weights and Measures (CGPM, Conférence Générale des Poids et Mesures) and the International Committee for Weights and Measures (CIPM, Comité International des Poids et Mesures) on the SI.
As provided by U.S. law, the metric system of measurement to be used in the United States is the SI as established by the General Conference on Weights and Measures and interpreted or modified for the United States by the Secretary of Commerce.
physics.nist.gov /cuu/Units/bibliography.html   (807 words)

  
 SPACE.com -- Why the World Runs Like Clockwork
The ensemble clock is an average of reported times of 200 less exact, atomic clocks in several dozen participating countries and is compiled every month by the French International Bureau of Weights and Measures.
After this adjustment is made, the Bureau of Weights and Measures distributes a publication called Circular T that states the difference between the two atomic fountain clocks and the ensemble clock.
But to make these tiny adjustments, a measure of the Earth's sluggishness has to be made and distant stars are used as reference points.
www.space.com /scienceastronomy/generalscience/time_scitues_020430-2.html   (584 words)

  
 Historical and international aspects of the SI
The International System of Units, universally abbreviated SI (from the French Le Système International d'Unités), is the modern metric system of measurement.
The SI was established in 1960 by the 11th General Conference on Weights and Measures (CGPM, Conférence Générale des Poids et Mesures).
The CGPM is the international authority that ensures wide dissemination of the SI and modifies the SI as necessary to reflect the latest advances in science and technology.
physics.nist.gov /cuu/Units/international.html   (702 words)

  
 BIPM
As a matter of policy, the U.S. Naval Observatory timescale, UTC(USNO), and its real-time implementation, Master Clock #2 (MC #2), are kept within a close but unspecified tolerance of the international atomic timescale published by the Bureau International des Poids et Mesures (International Bureau of Weights and Measures [BIPM]) in Sevres, France.
The principle behind this arrangement is that measurements against the real-time reference MC #2 are immutable facts, whereas improvements are made in our unsteered internal mean timescale A.1 as systematic disturbances are identified after the fact.
Since most of these systems have global coverage and are widely used, there is need to approximate the international reference as closely as the state of the art allows - in real time.
tycho.usno.navy.mil /bipm.html   (569 words)

  
 NIST Weights and Measures Division: Home Page
If Adobe Acrobat Reader is not accessible, you may request a paper copy from the Weights and Measures Division.
Later in June, Lisa Warfield joined the WMD staff as a Weights and Measures Coordinator to work in the Laws and Metrics group with Ken Butcher, Tom Coleman, and Elizabeth Gentry.
Lisa is working on the coordination of the OIML (International Organization of Legal Metrology) meetings to be hosted at NIST in September, and will be attending the WWMA in Tahoe, Nevada, in September and the SWMA in Little Rock, Arkansas, in October.
ts.nist.gov /ts/htdocs/230/235/owmhome.htm   (511 words)

  
 INTERNATIONAL BUREAU OF WEIGHTS AND MEASURES
Specialty Definition: Bureau International des Poids et Mesures
The Bureau International des Poids et Mesures (International Bureau for Weights and Measures, or BIPM) is one of the three organizations established to maintain the SI system under the terms of the Metre Convention.
the Comité International des Poids et Mesures (CIPM).
www.websters-online-dictionary.org /definition/english/in/INTERNATIONAL+BUREAU+OF+WEIGHTS+AND+MEASURES.html   (192 words)

  
 BIPM - Metre Convention
As well as founding the BIPM and laying down the way in which the activities of the BIPM should be financed and managed, the Metre Convention established a permanent organizational structure for member governments to act in common accord on all matters relating to units of measurement.
The Convention, modified slightly in 1921, remains the basis of international agreement on units of measurement.
There are now fifty-one Member States, including all the major industrialized countries.
www.bipm.org /en/convention   (175 words)

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