To further reduce uncertainty, the seventeenth CGPM in 1983 replaced the definition of the metre with its current definition, thus fixing the length of the metre in terms of the second and the speed of light:

To further facilitate reproducibility from lab to lab, the 17th CGPM also made the iodine-stabilised helium – neon laser " a recommended radiation " for realising the metre.

The new definition is expected to be formally proposed at the 25th General Conference on Weights and Measures ( CGPM ) in 2014.

It was then ratified in 1948 by the 9th CGPM which adopted a new name for this unit, the candela.

In 1979, because of the difficulties in realizing a Planck radiator at high temperatures and the new possibilities offered by radiometry, the 16th CGPM adopted the modern definition of the candela.

In 1901, at the 3rd CGPM conference, the litre was redefined as the space occupied by 1 kg of pure water at the temperature of its maximum density ( 3. 98 ° C ) under a pressure of 1 atm.

In 1979, at the 16th CGPM conference, the alternative symbol L ( uppercase letter L ) was adopted.

The organisation created a new prototype bar in 1889 at the first General Conference on Weights and Measures ( CGPM: Conférence Générale des Poids et Mesures ), establishing the International Prototype Metre as the distance between two lines on a standard bar composed of an alloy of ninety percent platinum and ten percent iridium, measured at the melting point of ice.

However, the International Prototype Metre remained the standard until 1960, when the eleventh CGPM defined the metre in the new International System of Units ( SI ) as equal to 1, 650, 763. 73 wavelengths of the orange-red emission line in the electromagnetic spectrum of the krypton-86 atom in a vacuum.

* 1889 September 28The first General Conference on Weights and Measures ( CGPM ) defines the metre as the distance between two lines on a standard bar of an alloy of platinum with ten percent iridium, measured at the melting point of ice.

* 1927 October 6The seventh CGPM adjusts the definition of the metre to be the distance, at, between the axes of the two central lines marked on the prototype bar of platinum-iridium, this bar being subject to one standard atmosphere of pressure and supported on two cylinders of at least diameter, symmetrically placed in the same horizontal plane at a distance of from each other.

* 1960 October 14The 11th CGPM defines the metre to be equal to 1, 650, 763. 73 wavelengths in a vacuum of the radiation corresponding to the transition between the 2p and 5d quantum levels of the krypton-86 atom.

* 1983 October 21The 17th CGPM defines the metre as equal to the length of the path travelled by light in a vacuum during a time interval of of a second.

These were not retained when the SI prefixes were internationally adopted by the 11th CGPM conference in 1960.

ACCT, AfDB, AsDB, Australia Group, BIS, CE, CERN, CGPM, EAPC, EBRD, ECE, EFTA, ESA, FAO, G-10, IADB, IAEA, IBRD ( World Bank ), ICAO, ICC, ICC, ICDO, ICFTU, ICMM, ICRM, IDA, IEA, IFAD, IFC, IFCS, IFRCS, IGC, ILO, IMF, IMO, Inmarsat, Intelsat, Interpol, IOC, IOM, ISO, ITU, IWC, LAIA ( observer ), NAM ( guest ), NEA, NSG, OAS ( observer ), OECD, OIE, OPCW, OSCE, OTIF, PCA, PFP, UNCTAD, UNESCO, UNHCR, UNIDO, UNITAR, UNMIBH, UNMIK, UNMOP, UNOMIG, UNTSO, UNU, UPU, WCL, WCO, WHO, WIPO, WMO, WToO, WTrO, ZC.

* 1889 – The first General Conference on Weights and Measures ( CGPM ) defines the length of a meter as the distance between two lines on a standard bar of an alloy of platinum with ten percent iridium, measured at the melting point of ice.

In 1954, the definition of the atmosphere was revised by the 10e Conférence Générale des Poids et Mesures ( 10th CGPM ) to the currently accepted definition: one atmosphere is equal to pascals.

This led the 3rd General Conference on Weights and Measures ( CGPM ) of 1901 to officially declare " The word weight denotes a quantity of the same nature as a force: the weight of a body is the product of its mass and the acceleration due to gravity ", thus distinguishing it from mass for official usage.

During the 20th century, efforts were made to rationalise these units and in 1960 the CGPM published the International System of Units (" Système international d ' unités " in French, hence " SI ") which, since then, has been the internationally recognised standard metric system.

Similarly, at the 13th convocation of the CGPM in 1968, the definitive second was redefined in terms of measurements taken from atomic clocks rather than from the earth's rotation ; in 2008 the solar day was 0. 002 s longer than in 1820 but it was only in the 1960s that this could be measured more accurately using clocks rather than relying on astronomy.

The ephemeris second ( defined as 1 / 86400 of a mean solar day ) was made one of the original base units of the modern metric system, or International System of Units ( SI ), at the 10th General Conference on Weights and Measures ( CGPM ) in 1954.

This represents just over a quarter of the total population of the borough of Knowsley and is down from its peak of 52, 207 in the 1961 census, largely due to falling birth rates and the slow decline of the industrial estate, which forced workers to move elsewhere seeking employment.

The following represents airline market share based on total passenger volume during the 2010 calendar year. Southwest airlines has the most share with 52. 5 %, which equals 4, 642, 281 passengers, and the least most share is Hawaiian Airlines with 1. 7 %, which equals to 165, 122.

For example, if the normal schedule for a quarter is defined as 411. 25 hours ( hours per week * ( 52 weeks per year-5 weeks regulatory vacation ) / 4 ), then someone working 100 hours during that quarter represents 100 / 411. 25 = 0. 24 FTE.

The city represents a fully urbanized Greek city with a large population in tertiary employment ; 52 %; 42 % in secondary and less than 6 % in primary employment.

" () In 2007, the Consumer Data Industry Association which represents the credit bureaus testified that less than two percent of 52 million credit reports had data deleted because it was in error.

* The code covering all forms of English is < tt > 52-ABA </ tt >, where < tt > 5 =</ tt > represents the Indo-European phylosector, < tt > 52 =</ tt > represents the Germanic phylozone, < tt > 52-A </ tt > represents the Norsk + Frysk set ( a compound-name chosen to cover the contents of the Germanic phylozone ), < tt > 52-AB </ tt > represents the English + Anglo-Creole chain, and < tt > 52-ABA </ tt > is the English net.

Today, the brand represents over 400 hotels globally in 52 countries with 102, 667 bedrooms ( as of March 2010 ) and an expanding 129 hotels in the pipeline.

In Argentina, where prisoners were never very popular in Córdoba and Rosario, the album was a exit. 52 also signed by Capitol Records to release Corazones Fonseca United States. 24 But the group still represents the day after the Festival.

The Agadez Region represents 52 % of the total area of Niger, the largest of its seven regions.

Founded in 1957, the Aircraft Electronics Association ( AEA ) represents more than 1, 300 member companies, including government-certified international repair stations specializing in maintenance, repair and installation of avionics and electronic systems in general aviation aircraft.

However, most authorities consider Sagittarius to be the civilized Chiron, while Centaurus represents a more uncouth member of the species.

Dalhousie University is a member of the U-15, a group that represents 15 of Canada ’ s most research-intensive universities.

While Codex Alimentarius represents the global standard in particular under the WTO-agreement, member states are free to convert those standards into national regulations.

For example, the member states of the EEC signed the Brussels Convention in 1968 and, subject to amendments as new states joined, it represents the default law for all twenty-seven Member States of what is now termed the European Union on the relationships between the courts in the different countries.

As Anglicanism represents a broad range of theological opinion, its presbyterate includes priests who consider themselves no different in any respect from those of the Roman Catholic Church, and a minority who prefer to use the title presbyter in order to distance themselves from the more sacrificial theological implications which they associate with the word “ priest .” While priest is the official title of a member of the presbyterate in every Anglican province worldwide, the ordination rite of certain provinces ( including the Church of England ) recognizes the breadth of opinion by adopting the title The Ordination of Priests ( also called Presbyters ).

The Seventh Day Baptist World Federation was founded in 1964 – 65, and it now represents over 50 000 Baptists in 17 member organizations in 22 countries.

Currently, the UUA represents 1, 078 member congregations that collectively include more than 217, 000 members.

Laibach represents the music wing of the Neue Slowenische Kunst ( NSK ) art collective, of which it was a founding member in 1984.

Thus if S. tchadensis is an ancestral relative of the chimpanzees ( or gorillas ) then it represents the first known member of their lineage.

It is the personal ( and usually hereditary ) badge of a family that, with some official rank, locally represents the royal authority ; thus, the word château often refers to the dwelling of a member of either the French royalty or the nobility, but some fine châteaux, such as Vaux-le-Vicomte, were built by the essentially high-bourgeois — people but recently ennobled: tax-farmers and ministers of Louis XIII and his royal successors.

She represents a district in Orange County, long a bastion of suburban conservatism, and is a member of the Blue Dog Coalition and the New Democrat Coalition ; she reportedly voted with Nancy Pelosi 97. 8 % of the time during the 111th Congress.

Each member represents an electoral district, with the exception of a number of Senators who are considered “ at-large ” ( Por Acumulación in Spanish ) and represent the island as a whole.

Each council member represents a single district ; there are no at-large districts.

This song represents the first major songwriting effort of Bootsy Collins as a member of Parliament-Funkadelic, and is widely considered the introduction to his musical persona.

* Francis J. Blee ( born 1958 ), member of the General Assembly who represents the 2nd legislative district.

* Jeff Van Drew ( born 1953 ), member of the New Jersey Senate who represents the 1st legislative district.

* Nelson Albano ( born 1954 ), member of the New Jersey General Assembly who represents the 1st legislative district.

Each member of the council is elected by the city as a whole but must reside in the ward he or she represents.

* Steve Corodemus ( born 1952 ), represents the 11th legislative district in the New Jersey General Assembly, and was a member of the Atlantic Highlands Borough Council from 1986 – 1988, serving as its President in 1988.

Each member of the Kitsap County Board of Commissioners represents a portion of the city of Bremerton.

The 8 member Common Council is the elected body that represents the citizens of New Berlin.

The member driven volunteer organization that represents the people who staff the PSAPs, the National Emergency Number Association ( NENA. org ), has done significant work advocating on the subject of MLTS E9-1-1.

The system is governed by a Board of Trustees consisting of thirteen members: the governor of Illinois serves as an ex officio member, nine trustees are appointed by the Illinois Governor, and a student trustee elected by referendum represents each of the university's three campuses.