- molecule mass
- Техника: масса молекулы
Универсальный англо-русский словарь. Академик.ру. 2011.
molecule mass
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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 spectrum analysis — is an integral part of mass spectrometry.[1][2] Organic chemists obtain mass spectra of chemical compounds as part of structure elucidation and the analysis is part of every organic chemistry curriculum. Co … Wikipedia
Mass-independent fractionation — Mass independent (isotope) fractionation refers to any chemical or physical process that acts to separate isotopes, where the amount of separation does not scale in proportion with the difference in the masses of the isotopes. Most isotopic… … Wikipedia
mass spectrometer — n. (Physics, Chemistry) An analytical instrument which determines the mass of molecules of a substance or fragments of its molecules. It functions by injecting ionized moecules or molecular gragments into a vacuum chamber subjected to a strong… … The Collaborative International Dictionary of English
molecule — ► NOUN ▪ a group of atoms chemically bonded together, representing the smallest fundamental unit of a compound that can take part in a chemical reaction. ORIGIN French, from Latin molecula small mass , from moles mass … English terms dictionary
Molecule — Mol e*cule, n. [Dim. fr. L. moles a mass: cf. F. mol[ e]cule. See 3d {Mole}.] 1. One of the very small invisible particles of which all ordinary matter is supposed to consist. [1913 Webster] 2. (Physics) The smallest part of any substance which… … The Collaborative International Dictionary of English
molecule — (n.) 1794, extremely minute particle, from Fr. molécule (1670s), from Mod.L. molecula, dim. of L. moles mass, barrier (see MOLE (Cf. mole) (3)). A vague meaning at first; the vogue for the word (used until late 18c. only in Latin form) can be… … Etymology dictionary
molecule — [mäl′ə kyo͞ol΄] n. [Fr molécule < ModL molecula, dim. of L moles, a mass: see MOLE3] 1. the smallest particle of an element or compound that can exist in the free state and still retain the characteristics of the element or compound: the… … English World dictionary
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
Molecule — 3D (left and center) and 2D (right) representations of the terpenoid molecule atisane A molecule (pronounced … Wikipedia
