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elementary mass

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  • Elementary charge — Definition: Charge of a proton Symbol e Value in Coulombs: 1.602176565(35)×10−19 C …   Wikipedia

  • Mass spectrometry — (MS) is an analytical technique that measures the mass to charge ratio of charged particles.[1] It is used for determining masses of particles, for determining the elemental composition of a sample or molecule, and for elucidating the chemical… …   Wikipedia

  • Mass-analyzed ion kinetic energy spectrometry — (MIKES) is a mass spectrometry technique by which mass spectra are obtained from a sector mass spectrometer that incorporates at least one magnetic sector plus one electric sector in reverse geometry (the beam first enters the magnetic… …   Wikipedia

  • Mass-to-charge ratio — Charge to Mass ratio SI quantity dimension: M/(I⋅T) SI unit: kg/C other units: Th The mass to charge ratio ratio (m/Q) is a physical quantity that is widely used in the electrodynamics of c …   Wikipedia

  • Elementary particle — In particle physics, an elementary particle or fundamental particle is a not known to have substructure; that is, it is not known to be made up of smaller particles. If an elementary particle truly has no substructure, then it is one of the basic …   Wikipedia

  • Mass spectrum — Electron ionization mass spectrum of toluene [4]. Note parent peak corresponding to molecular mass M = 92 (C7H8+) and highest peak at M 1 = 91 (C7H7+, quasi stable tropylium cation). A mass spectrum is an inten …   Wikipedia

  • elementary education — or primary education Traditionally, the first stage of formal education, beginning at age 5–7 and ending at age 11–13. Often preceded by some form of preschool, it usually includes middle school, or junior high school (ages 11–13), though this is …   Universalium

  • Elementary reaction — An elementary reaction is a chemical reaction in which one or more of the chemical species which react directly to form products in a single reaction step and with a single transition state. [GoldBookRef | file = E02035 | title = elementary… …   Wikipedia

  • Elementary Education Act 1870 — The Elementary Education Act 1870 commonly known as Forster s Education Act set the framework for schooling of all children over the age of 5 and under 13 in England and Wales. It was drafted by William Forster, a Liberal MP and it was introduced …   Wikipedia

  • Elementary physics formulae — A list of elementary physics formulae commonly appearing in high school and college introductory physics courses. The list consists primarily of formulas concerning mechanics, showing relations between matter, energy, motion, and force in… …   Wikipedia

  • Mass-analyzed ion-kinetic-energy spectrometry — MIKES redirects here. For other uses, see Mikes. Mass analyzed ion kinetic energy spectrometry (MIKES) is a mass spectrometry technique by which mass spectra are obtained from a sector instrument that incorporates at least one magnetic sector… …   Wikipedia

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