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Topic: CGPM


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In the News (Mon 9 Nov 09)

  
  CONK! Encyclopedia: SI_base_unit   (Site not responding. Last check: 2007-10-22)
The unit of time is the duration of exactly 9 192 631 770 periods of the radiation corresponding to the transition between two hyperfine levels of the ground state of the caesium-133 atom at a temperature of 0 K (13th CGPM (1967-1968) Resolution 1, CR 103).
The unit of length is equal to the length of the path travelled by light in a vacuum during the time interval of 1/299 792 458 of a second (17th CGPM (1983) Resolution 1, CR 97).
The unit of thermodynamic temperature (or absolute temperature) is the fraction 1/273.16 (exactly) of the thermodynamic temperature at the triple point of water (13th CGPM (1967) Resolution 4, CR 104).
www.conk.com /search/encyclopedia.cgi?q=SI_base_unit   (488 words)

  
 CONK! Encyclopedia: Picometre   (Site not responding. Last check: 2007-10-22)
However, the International Prototype Metre remained the standard until 1960, when the eleventh CGPM defined the metre in the new SI system 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.
To further reduce uncertainty, the seventeenth CGPM of 1983 replaced the definition of the metre with its current definition, thus fixing the length of the metre in terms of time and the speed of light:
1960 October 20 — The eleventh CGPM defines the length to be equal to 1,650,763.73 wavelengths in vacuum of the radiation corresponding to the transition between the 2p
www.conk.com /search/encyclopedia.cgi?q=Picometre   (878 words)

  
 CONK! Encyclopedia: SI   (Site not responding. Last check: 2007-10-22)
As a result the 9th General Conference on Weights and Measures (CGPM), in 1948, asked the International Committee for Weights and Measures (CIPM) to conduct an international study of the measurement needs of the scientific, technical, and educational communities.
Based on the findings of this study, the 10th CGPM in 1954 decided that an international system should be derived from six base units to provide for the measurement of temperature and optical radiation in addition to mechanical and electromagnetic quantities.
The 10th resolution of CGPM in 2003 declared that "the symbol for the decimal marker shall be either the point on the line or the comma on the line".
www.conk.com /search/encyclopedia.cgi?q=SI   (1531 words)

  
 Measurement - Fundamental Units
The old prototype of the meter, which was legalized by the 1st CGPM in 1889, is still kept at the International Bureau of Weights and Measures (BIPM).
The kelvin, unit of thermodynamic temperature, is the fraction 1/273.16 of the thermodynamic temperature of the triple point of water.
The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 x 10 12 hertz and that has a radiant intensity in that direction of 1/1687 watt per steradian.
www.batesville.k12.in.us /physics/ANet/Science/Measure/units.html   (502 words)

  
 IEP-SAC - ABCs of Metrology   (Site not responding. Last check: 2007-10-22)
In 1954, the 10th CGPM adopted a rationalized and coherent system of units based on MKSA units (meter, kilogram, second, ampere), plus the degree Kelvin as the unit of temperature and the candela as the unit of luminous intensity.
The 13th CGPM in 1967 redefined second as the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium-133 atom.
The 17th CGPM in 1983 took a historic step when nature's sacred constant, speed of light, was fixed and meter was defined as the length of the path traveled by light in vacuum during a time interval of 1/299 792 458 of a second.
www.iepsac.org /papers/p07c06.htm   (1648 words)

  
 kelvin   (Site not responding. Last check: 2007-10-22)
The unit of thermodynamic temperature and the unit of temperature interval in SI, defined by the 13th CGPM, 1967, as
Symbol, K. When the kelvin was originally established in 1948 (ninth CGPM, resolution 7), it was as the “degree absolute” with the symbol °K. In 1960 the 11th CGPM changed the name to “degree Kelvin,” with the same symbol.
Seven years later, the 13th CGPM decided to change the name to simply “kelvin” (note the switch to lowercase) and the symbol to K, but allowed the older usage to continue for the time being.
www.sizes.com /units/kelvin.htm   (212 words)

  
 [USMA:19140] Re: What is an SI unit?
Bob, You forget that resolutions of the CGPM are the authority for SI.
Recommendations by the CCU are not official SI until they are accepted by the CIPM, and resolved by the CGPM.
Current documentation of SI is the BIPM Booklet, 7th Edition (1998) which promulgates resolutions of the CGPM.
www.mail-archive.com /usma@colostate.edu/msg10363.html   (255 words)

  
 metre.info - Encyclopaedia of all prefixes   (Site not responding. Last check: 2007-10-22)
CGPM in 1960 when the SI system was established.
CGPM in 1968, the name ‘micron’ was used as a measurement unit for length.
CGPM and the name SI given to this most modern definition of metric weights and measures.
homepage.ntlworld.com /cdkaese/prefixes.htm   (2723 words)

  
 Unit of thermodynamic temperature (kelvin)   (Site not responding. Last check: 2007-10-22)
The definition of the unit of thermodynamic temperature was given in substance by the 10th CGPM (1954, Resolution 3) which selected the triple point of water as the fundamental fixed point and assigned to it the temperature 273.16 K by definition.
The kelvin, unit of thermodynamic temperature, is the fraction 1/273.16 of the thermody-namic temperature of the triple point of water (13th CGPM (1967), Resolution 4).
The 13th CGPM (1967, Resolution 3) also decided that the unit kelvin and its symbol K should be used to express an interval or a difference of temperature.
www.cs.tut.fi /~jkorpela/SI/kelvin.html   (200 words)

  
 SI prefixes   (Site not responding. Last check: 2007-10-22)
" The 11th CGPM (1960, Resolution 12) adopted a first series of prefixes and symbols of prefixes to form the names and symbols of the decimal multiples and submultiples of SI units.
were proposed by the CIPM (1990) for approval by the 19th CGPM (1991).
In December 1998 the International Electrotechnical Commission (IEC), the leading international organization for worldwide standardization in electrotechnology, approved as an IEC International Standard names and symbols for prefixes for binary multiples for use in the fields of data processing and data transmission.
facstaff.bloomu.edu /bobmon/readings/SI_prefixes.html   (242 words)

  
 Acronyms, CGPM, CIPM, & BIPM
The SI was established in 1960 by the CGPM, an intergovernmental treaty organization created by the Meter Convention signed in 1875.
The CGPM is the primary intergovernmental treaty organization responsible for the SI, representing nearly 50 countries.
It suggests modifications to the SI to the CGPM for formal adoption.
physics.nist.gov /cuu/Units/acronyms.html   (190 words)

  
 National Metrology Laboratory Test and Measurement Conference Special Edition   (Site not responding. Last check: 2007-10-22)
The CGPM meets in Paris once every four years and is made up of representatives of the governments of the Member States and observers from the Associate States.
The CGPM resolution adopted welcomes and supports the participation of the Metre Convention in the activities of the JCDCMAS to the benefit of developing countries and economies.
A new CGPM resolution adopted declares that the decimal marker may be either the point on the line or the comma on the line.
www.nml.csir.co.za /news/200311   (2731 words)

  
 Internationally Recognised non SI Units
The symbol of this unit is included in Resolution 7 of the 9th CGPM (1948; CR, 70).
The alternative symbol, L, was adopted by the 16th CGPM (1979, Resolution 6; CR, 101 and Metrologia, 1980, 16, 56-57) in order to avoid the risk of confusion between the letter l and the number 1.
The present definition of the litre is given in Resolution 6 of the 12th CGPM (1964; CR, 93).
www.npl.co.uk /reference/international.html   (414 words)

  
 CGPM Certification for the Hospitality Industry   (Site not responding. Last check: 2007-10-22)
The Certified Government Property Manager (CGPM®) designation is the housing industry's acknowledgment that you have displayed the commitment and talent needed for a managerial career in housing.
Once certified, you will automatically be enrolled in the CGPM Recertification Program, which recognizes and rewards your continuing efforts to grow in your housing career.
The CGPM program is based on extensive research and is continually enhanced by recommendations from the Air Force Housing Training and Certification Panel.
www.ei-ahma.org /certification_cgpm.asp   (541 words)

  
 [No title]   (Site not responding. Last check: 2007-10-22)
CGPM can ensure that your business governance is appropriate to your needs.
CGPM can enhance or put in place a set of performance management tools and aids to ensure that you have the controls necessary to guide your business.
CGPM consulting is a bespoke business consultancy specialising in corporate governance and performance management.
www.cgpm-consulting.co.uk   (254 words)

  
 eFunda: SI Base Units
The SI was established in 1960 by the 11th General Conference on Weights and Measures (CGPM).
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.
[14th CGPM (1971), Resolution 3] In this definition, it is understood that the carbon 12 atoms are unbound, at rest and in their ground state.
www.efunda.com /units/si_base_units.cfm   (373 words)

  
 SI Metric System
Since then this most modern and simplest form of the metric system was introduced throughout the world and by 1970's more than 20 countries, including established metric countries, passed legislation adopting the SI system as their only legal system with numerous countries following their example.
The metre is the length equal to 1 650763,73 wavelengths in vacuum of the radiation corresponding to the transition between the levels 2 p
The kilogram is the mass of the international prototype of the kilogram recognised by the CGPM and in the custody of the Bureau International des Poids et Mesures, Sevres, France.
website.lineone.net /~fozim/sibasis.htm   (514 words)

  
 Metrology - the SI system   (Site not responding. Last check: 2007-10-22)
"The second is the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom (13th CGPM, 1967, Resolution 1)"
"The kilogram is the unit of mass: it is equal to the mass of the international prototype of the kilogram" 3rd CGPM (1901)
"The kelvin, unit of thermodynamic temperature, is the fraction 1/273,16 of the thermodynamic temperature of the triple point of water" (13th CGPM 1967)
www.sp.se /metrology/eng/si.htm   (480 words)

  
 Units: The International System   (Site not responding. Last check: 2007-10-22)
The 22nd CGPM met in October 2003; the next meeting will be in 2007.
Future meetings of the CGPM may make additions to this list; the katal was added by the 21st CGPM in 1999.
There is always the chance that future meetings of the CGPM could add these units to the SI, but for the present they are not approved.
aplacetolearnaplacetogrow.com /math_stuff/how_many_dictionary/sipm.html   (830 words)

  
 Re: slugs
Neither the CGPM or the BIPM invented metric.
The BIPM and the CGPM came about as a result of the Convention du metre in 1875, to assure the continued perfection and stability of metric (now SI), as well as to add add define units, etc.
The BIPM is the International Bureau of Weights and Measures, and the CGPM is the General Conference of Weights and Measures.
sm3a.gsfc.nasa.gov /messages/704.html   (1877 words)

  
 Weblog Item   (Site not responding. Last check: 2007-10-22)
The 1889 definition of the meter, based upon the artifact international prototype of platinum-iridium, was replaced by the CGPM in 1960 using a definition based upon a wavelength of krypton-86 radiation.
In turn, to further reduce the uncertainty, in 1983 the CGPM replaced this latter definition by the following definition: The meter is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second.
Note that the effect of this definition is to fix the speed of light in vacuum at exactly 299 792 458 m·s-1.
www.larkfarm.com /weblog_item.asp?LogID=501   (222 words)

  
 National Measurement Institute - The Metre Convention and the international measurement system
The Convention established the structure and processes through which we obtain world-wide uniformity in measurement, firstly through the use of a harmonised set of units of measurement, the International System of Units (SI), and secondly through recognised means of establishing physical standards that realise these units.
The CGPM is held every four years and is the forum where major changes to the international measurement system must be endorsed for universal acceptance.
Each CGPM elects an International Committee of Weights and Measures (CIPM) that acts as the Board for an international laboratory, the International Bureau of Weights and Measures (BIPM).
www.measurement.gov.au /index.cfm?event=object.showContent&objectID=B46D5A20-BCD6-81AC-15D594E245D2893D   (737 words)

  
 IEP-SAC - ABCs of Metrology   (Site not responding. Last check: 2007-10-22)
One body created by the Meter convention is the Conference Générale des Poids et Measures (CGPM) or General Conference of Weights and Measures, which comprises all the member states of Convention du Mètre.
It is the supreme authority to discuss and initiate all measures needed for the propagation and development of Metric System (now SI), to ratify the results of fundamental metrological determinations and adopt resolutions of international importance for the scientific basis of metrology, and to adopt important decisions concerning the organization and development of the BIPM.
It meets every year, appoints the Director and higher staff of the BIPM, convenes the CGPM, drafts the resolutions to be adopted formally such as redefinition of meter or the second, proposes the budget and the work program of the BIPM for approval.
www.iepsac.org /papers/p07c05.htm   (391 words)

  
 CGPM
Practice English, talk to a funny artificial intelligence robot -- hear its voice (hilarious).
The General Conference on Weights and Measures is the English name of the Conférence générale des poids et mesures (CGPM, never GCWM).
As of 2005, the number of associates has grown to 17.
www.cooldictionary.com /words/CGPM.wikipedia   (476 words)

  
 NPL : The International System of Units   (Site not responding. Last check: 2007-10-22)
The 13th CGPM (1967, Resolution 3) also decided that the unit kelvin and its symbol K should be used to express both thermodynamic temperature and an interval or a difference of temperature.
Considering that plane angle is generally expressed as the ratio between two lengths and solid angle as the ratio between an area and the square or a length, the CIPM (1990) specified that in the International System the quantities plane angle and solid angle should be considered as dimensionless derived quantities.
Therefore, the supplementary units radian and steradian are to be regarded as dimensionless derived units which may be used or omitted in the expressions for derived units.
alex.eled.duth.gr /kekkeris/course/si_units.html   (797 words)

  
 LENGTH
The definition of the metre based upon the international prototype of platinum-iridium, in force since 1889, had been replaced by the 11th CGPM (1960) by a definition based upon the wavelength of a krypton-86 radiation.
The metre is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second (17th CGPM (1983), Resolution 1).
The old international prototype of the metre was sanctioned by the 1st CGPM in 1889 is still kept at the BIPM under the conditions specified in 1889
indykfi.atomki.hu /kisfiz/MT/length.htm   (1371 words)

  
 Seven SI Units   (Site not responding. Last check: 2007-10-22)
The duration of 9 192 631 770 periods of radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium-133 atom (13th CGPM, 1967).
The fraction 1/273.16 of the thermodynamic triple point of water (13th CGPM, 1967) (approximately the fraction 1/100 of temperature difference between the freezing point and boiling point of water at 101.315 kPa pressure).
The amount of a substance of a system which contains as many elementary entities (atoms, molecules, ions, electrons, or other particles or specified groups of particles) as there are atoms in 0.012 kilogram of carbon-12.
home.comcast.net /~lighthouse75/si/7siunits.html   (251 words)

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