mass spectrum

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mass spectrum

n.
A pattern of charged atoms, molecules, or isotopes formed when a mass spectroscope distributes them by mass and records them electronically or photographically as a spectrum.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

mass′ spec′trum


n.
a spectrum of charged particles arranged in order of mass or mass-to-charge ratios.
[1915–20]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mass spectrum - a distribution of ions as shown by a mass spectrograph or a mass spectrometermass spectrum - a distribution of ions as shown by a mass spectrograph or a mass spectrometer
spectrum - an ordered array of the components of an emission or wave
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References in periodicals archive ?
Additionally, cracking pattern of the model was extracted from Open Sees to be compared to the tested specimens.
The cracking pattern for the Far leaf (tension face) of Wall A-1 as shown in Figure 9(a) included diagonal cracks extending from the wall corners towards the wall centre with an angle that is equal to the natural slope of masonry construction.
The cracking pattern also indicated that the ECC had a very good strain-hardening property.
This paper presents the formulation, implementation, and validation of a qualitative numerical model, which describes qualitatively the cracking pattern in a brittle homogeneous material, considering static loads, plane stress condition, and infinitesimal strain.
But it was observed that the cracking pattern in the walls normal to the loading direction was significantly different from the one in the walls parallel to the loading direction.
Figure 11 presents the cracking pattern and the failure surfaces for slabs M-8-0, M-10-0 and M-12-0 and M-8-480, M-10-480 and M-12-480.
All the samples were subjected to four point flexure load and the cracking pattern, first crack loads and ultimate loads were noted.
ANSYS V13 used to check the response of the structural member under static load by discrete approach gave almost the same ultimate load and shear cracks were identified along with acceptability of ANSYS software to analyze and predict the cracking pattern which was in harmony with experimental results.
These pavements can develop a transverse cracking pattern with cracks generally spaced at about 2 to 6 feet (0.6 to 1.8 meters).
So the researchers set up the QMA to monitor water at both 17 and 18 amu by having a 4.25 x multiplier at the 17-amu channel to account for water's cracking pattern.
Further digital manipulations helped remove some traces ofthe cracking pattern. Techniques such as enhancing the contrast and using false colors brought out fine details and spots where underlying patterns show through the upper layers of paint.