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36 relations: Acoustics, Amount of substance, Biology, Chemistry, Developing country, Electricity, Electromagnetic spectrum, France, Frequency, General Conference on Weights and Measures, Hauts-de-Seine, Institute for Reference Materials and Measurements, International Astronomical Union, International Bureau of Weights and Measures, International Laboratory Accreditation Cooperation, International Organization for Standardization, International Organization of Legal Metrology, International System of Units, International Union of Pure and Applied Chemistry, International Union of Pure and Applied Physics, Ionizing radiation, Joint Committee for Traceability in Laboratory Medicine, Length, Magnetism, Mass, Metre Convention, National Institute of Standards and Technology, National Physical Laboratory (United Kingdom), Photometry (optics), Radiometry, Sèvres, Temperature measurement, Time, Ultrasound, Unit of measurement, Vibration.
Acoustics
Acoustics is the branch of physics that deals with the study of all mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound.
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Amount of substance
Amount of substance (symbol for the quantity is 'n') is a standard-defined quantity that measures the size of an ensemble of elementary entities, such as atoms, molecules, electrons, and other particles.
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Biology
Biology is the natural science that studies life and living organisms, including their physical structure, chemical composition, function, development and evolution.
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Chemistry
Chemistry is the scientific discipline involved with compounds composed of atoms, i.e. elements, and molecules, i.e. combinations of atoms: their composition, structure, properties, behavior and the changes they undergo during a reaction with other compounds.
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Developing country
A developing country (or a low and middle income country (LMIC), less developed country, less economically developed country (LEDC), underdeveloped country) is a country with a less developed industrial base and a low Human Development Index (HDI) relative to other countries.
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Electricity
Electricity is the set of physical phenomena associated with the presence and motion of electric charge.
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Electromagnetic spectrum
The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.
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France
France, officially the French Republic (République française), is a sovereign state whose territory consists of metropolitan France in Western Europe, as well as several overseas regions and territories.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
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General Conference on Weights and Measures
The General Conference on Weights and Measures (Conférence générale des poids et mesures – CGPM) is the supreme authority of the International Bureau of Weights and Measures (Bureau international des poids et mesures – BIPM), the inter-governmental organization established in 1875 under the terms of the Metre Convention (Convention du Mètre) through which Member States act together on matters related to measurement science and measurement standards.
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Hauts-de-Seine
Hauts-de-Seine (literally Seine Heights) is a department of France.
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Institute for Reference Materials and Measurements
The Institute for Reference Materials and Measurements (IRMM), located in Geel, Belgium, is one of the seven institutes of the Joint Research Centre (JRC), a Directorate-General of the European Commission (EC).
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International Astronomical Union
The International Astronomical Union (IAU; Union astronomique internationale, UAI) is an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.
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International Bureau of Weights and Measures
The International Bureau of Weights and Measures (Bureau international des poids et mesures) is an intergovernmental organization established by the Metre Convention, through which Member States act together on matters related to measurement science and measurement standards.
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International Laboratory Accreditation Cooperation
The International Laboratory Accreditation Cooperation or ILAC started as a conference in 1977 with the aim of developing international cooperation for facilitating trade by promotion of the acceptance of accredited test and calibration results.
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International Organization for Standardization
The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards organizations.
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International Organization of Legal Metrology
The International Organization of Legal Metrology (Organisation Internationale de Métrologie Légale - OIML), is an intergovernmental organization, created in 1955 and based in Paris, to promote the global harmonization of the legal metrology procedures that underpin and facilitate international trade.
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International System of Units
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
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International Union of Pure and Applied Chemistry
The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations that represents chemists in individual countries.
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International Union of Pure and Applied Physics
The International Union of Pure and Applied Physics (IUPAP) is an international non-governmental organization whose mission is to assist in the worldwide development of physics, to foster international cooperation in physics, and to help in the application of physics toward solving problems of concern to humanity.
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Ionizing radiation
Ionizing radiation (ionising radiation) is radiation that carries enough energy to liberate electrons from atoms or molecules, thereby ionizing them.
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Joint Committee for Traceability in Laboratory Medicine
The Joint Committee for Traceability in Laboratory Medicine or JCTLM is collaboration between the International Committee for Weights and Measures (CIPM), the International Federation for Clinical Chemistry and Laboratory Medicine (IFCC), and the International Laboratory Accreditation Cooperation (ILAC).
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Length
In geometric measurements, length is the most extended dimension of an object.
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Magnetism
Magnetism is a class of physical phenomena that are mediated by magnetic fields.
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Mass
Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.
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Metre Convention
The Metre Convention (Convention du Mètre), also known as the Treaty of the Metre, is an international treaty that was signed in Paris on 20 May 1875 by representatives of 17 nations (Argentina, Austria-Hungary, Belgium, Brazil, Denmark, France, Germany, Italy, Peru, Portugal, Russia, Spain, Sweden and Norway, Switzerland, Turkey, United States of America, and Venezuela).
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National Institute of Standards and Technology
The National Institute of Standards and Technology (NIST) is one of the oldest physical science laboratories in the United States.
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National Physical Laboratory (United Kingdom)
The National Physical Laboratory (NPL) is the national measurement standards laboratory for the United Kingdom, based at Bushy Park in Teddington, London, England.
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Photometry (optics)
Photometry is the science of the measurement of light, in terms of its perceived brightness to the human eye.
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Radiometry
Radiometry is a set of techniques for measuring electromagnetic radiation, including visible light.
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Sèvres
Sèvres is a commune in the southwestern suburbs of Paris, France.
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Temperature measurement
Temperature measurement, also known as thermometry, describes the process of measuring a current local temperature for immediate or later evaluation.
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Time
Time is the indefinite continued progress of existence and events that occur in apparently irreversible succession from the past through the present to the future.
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Ultrasound
Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing.
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Unit of measurement
A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.
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Vibration
Vibration is a mechanical phenomenon whereby oscillations occur about an equilibrium point.
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Redirects here:
CIPM, Comite International des Poids et Mesures, Comite international des poids et mesures, Comité International des Poids et Mesures, Comité international des poids et mesures, Consultative Committee for Acoustics, Ultrasound and Vibration, Consultative Committee for Amount of Substance - Metrology in Chemistry, Consultative Committee for Amount of Substance: Metrology in Chemistry, Consultative Committee for Electricity and Magnetism, Consultative Committee for Ionizing Radiation, Consultative Committee for Length, Consultative Committee for Mass and Related Quantities, Consultative Committee for Photometry and Radiometry, Consultative Committee for Thermometry, Consultative Committee for Time and Frequency, Consultative Committee for Units.
References
[1] https://en.wikipedia.org/wiki/International_Committee_for_Weights_and_Measures
