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English-Bulgarian polytechnical dictionary . 2013.
mass units
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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 defect — n. Physics the difference between the mass of an atom and the sum of the masses of the individual neutrons and protons in its nucleus, expressed in atomic mass units … English World dictionary
Mass — This article is about the scientific concept. For the substance of which all physical objects consist, see Matter. For other uses, see Mass (disambiguation). Classical mechanics … Wikipedia
Mass excess — The mass excess of a nuclide is the difference between its actual mass and its mass number in atomic mass units.[1] It is one of the predominant methods for tabulating nuclear mass. The mass of an atomic nucleus is well approximated by its mass… … 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
Mass (mass spectrometry) — This article is about different concepts of mass used in mass spectrometry. For other uses, see mass. The mass recorded by a mass spectrometer can refer to different physical quantities depending on the characteristics of the instrument and the… … Wikipedia
mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph … Universalium
Mass number — The mass number (A), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. Because protons and neutrons both are baryons, the mass number A is identical… … Wikipedia
Mass in special relativity — incorporates the general understandings from the concept of mass energy equivalence. Added to this concept is an additional complication resulting from the fact that mass is defined in two different ways in special relativity: one way defines… … Wikipedia
Mass Effect 2 — Éditeur Electronic Arts Développeur BioWare Concepteur Case … Wikipédia en Français
Mass flow rate — is the mass of substance which passes through a given surface per unit time. Its unit is mass divided by time, so kilogram per second in SI units, and slug per second or pound per second in US customary units. It is usually represented by the… … Wikipedia
