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Mass shootings Texas -- See Also the narrower term Fort Hood Shooting, Fort Hood, Tex., 2009


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Mass shootings -- United States -- Prevention. : Active Shooter Incidents and Multiple Casualty Violence  2016 1
Mass shootings -- United States -- Statistics. : Mass Murder Inc. : national incidents, trends, and firearms commerce / Darlene Perez, editor  2016 1
 

Mass shootings Virginia -- See Also the narrower term Virginia Tech Shootings, Blacksburg, Va., 2007


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Mass society -- See Also the narrower term Popular culture


Here are entered works on literature, art, music, motion pictures, etc. produced for a mass audience. General works on learning and scholarship, literature, the arts, etc. are entered under Intellectual life

--subdivision In popular culture under names of countries, cities, etc., and under names of individual deities, mythological or legendary figures, and fictitious characters
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Mass society.   42
Mass society -- History.   2
Mass society -- History -- 20th century.   2
 

Mass spectra -- See Mass spectrometry


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Mass spectrograph -- See Mass spectrometry


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Mass spectrometers -- Calibration. : Practical introduction to GC-MS analysis with quadrupoles / by Michael Oehme  1998 1
Mass spectrometers -- Design and construction. : Design, construction and research application of a differential electrochemical mass spectrometer (DEMS) / S.J. Ashton  2012 1
Mass spectrometers -- Maintenance and repair. : Practical introduction to GC-MS analysis with quadrupoles / by Michael Oehme  1998 1
  Mass spectrometry -- 10 Related Subjects   10
Mass spectrometry.   206
Mass spectrometry -- Congresses.   15
Mass spectrometry -- Data processing.   8
Mass spectrometry -- Databases : MassBank development and future / Emma L. Schymanski  2020 1
Mass spectrometry -- Dictionaries. : Dictionary of mass spectrometry / A.I. Mallet and S. Down  2009 1
Mass spectrometry -- Encyclopedias : The encyclopedia of mass spectrometry. Volume 9, Historical perspectives. Part A, The development of mass spectrometry / volume editors, Keith A. Nier, Alfred L. Yergey, P. Jane Gale  2015 1
 

Mass Spectrometry, ESI -- See Spectrometry, Mass, Electrospray Ionization


A mass spectrometry technique used for analysis of nonvolatile compounds such as proteins and macromolecules. The technique involves preparing electrically charged droplets from analyte molecules dissolved in solvent. The electrically charged droplets enter a vacuum chamber where the solvent is evaporated. Evaporation of solvent reduces the droplet size, thereby increasing the coulombic repulsion within the droplet. As the charged droplets get smaller, the excess charge within them causes them to disintegrate and release analyte molecules. The volatilized analyte molecules are then analyzed by mass spectrometry
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Mass Spectrometry, Fast Atom Bombardment -- See Spectrometry, Mass, Fast Atom Bombardment


A mass spectrometric technique that is used for the analysis of a wide range of biomolecules, such as glycoalkaloids, glycoproteins, polysaccharides, and peptides. Positive and negative fast atom bombardment spectra are recorded on a mass spectrometer fitted with an atom gun with xenon as the customary beam. The mass spectra obtained contain molecular weight recognition as well as sequence information
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Mass spectrometry, Forensic -- See Mass spectrometry Forensic applications


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Mass spectrometry -- Forensic applications. : Forensic applications of mass spectrometry / edited by Jehuda Yinon  1995 1
 

Mass Spectrometry-Gas Chromatography -- See Gas Chromatography-Mass Spectrometry


A microanalytical technique combining mass spectrometry and gas chromatography for the qualitative as well as quantitative determinations of compounds
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Mass spectrometry -- Handbooks, manuals, etc.   6
Mass spectrometry -- Laboratory manuals.   3
  Mass spectrometry/mass spectrometry -- 2 Related Subjects   2
 

Mass Spectrometry, Matrix-Assisted Laser Desorption-Ionization -- See Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization


A mass spectrometric technique that is used for the analysis of large biomolecules. Analyte molecules are embedded in an excess matrix of small organic molecules that show a high resonant absorption at the laser wavelength used. The matrix absorbs the laser energy, thus inducing a soft disintegration of the sample-matrix mixture into free (gas phase) matrix and analyte molecules and molecular ions. In general, only molecular ions of the analyte molecules are produced, and almost no fragmentation occurs. This makes the method well suited for molecular weight determinations and mixture analysis
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Mass Spectrometry -- methods.   25
Mass spectrometry -- Periodicals.   13
Mass spectrometry -- Programmed instruction. : Mass spectrometry / authors, Reg Davis, Martin Frearson ; editor, F. Elizabeth Prichard on behalf of ACOL  1987 1
Mass spectrometry -- Research -- United States. : Review of the mass spectrometry and bioremediation programs of the Edgewood Research, Development and Engineering Center / Standing Committee on Program and Technical Review of the U.S. Army Chemical and Biological Defense Command [and] Board on Army Science and Technology, Commission on Engineering and Technical Systems, National Research Council  1998 1
Mass spectrometry -- Spectral data : Mass spectral correlations / Fred McLafferty, Rengachari Venkataraghavan  1982 1
Mass spectrometry -- Tables. : Mass and abundance tables for use in mass spectrometry / by J. H. Begnon and A. E. Williams  1963 1
 

Mass Spectrometry, Tandem -- See Tandem Mass Spectrometry


A mass spectrometry technique using two (MS/MS) or more mass analyzers. With two in tandem, the precursor ions are mass-selected by a first mass analyzer, and focused into a collision region where they are then fragmented into product ions which are then characterized by a second mass analyzer. A variety of techniques are used to separate the compounds, ionize them, and introduce them to the first mass analyzer. For example, for in GC-MS/MS, GAS CHROMATOGRAPHY-MASS SPECTROMETRY is involved in separating relatively small compounds by GAS CHROMATOGRAPHY prior to injecting them into an ionization chamber for the mass selection
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Mass spectrometry -- Technique.   2
Mass spectrometry -- Technique -- Congresses. : Quantitative mass spectrometry in life sciences II : proceedings of the second international symposium held at the State University of Ghent, June 13-16, 1978 / editors, A. P. de Leenheer, R. R. Roncucci, C. van Peteghem  1978 1
  Mass spectroscopy -- 2 Related Subjects   2
 

Mass Spectroscopy, Fast Atom Bombardment -- See Spectrometry, Mass, Fast Atom Bombardment


A mass spectrometric technique that is used for the analysis of a wide range of biomolecules, such as glycoalkaloids, glycoproteins, polysaccharides, and peptides. Positive and negative fast atom bombardment spectra are recorded on a mass spectrometer fitted with an atom gun with xenon as the customary beam. The mass spectra obtained contain molecular weight recognition as well as sequence information
  1
 

Mass Spectroscopy, Matrix-Assisted Laser Desorption-Ionization -- See Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization


A mass spectrometric technique that is used for the analysis of large biomolecules. Analyte molecules are embedded in an excess matrix of small organic molecules that show a high resonant absorption at the laser wavelength used. The matrix absorbs the laser energy, thus inducing a soft disintegration of the sample-matrix mixture into free (gas phase) matrix and analyte molecules and molecular ions. In general, only molecular ions of the analyte molecules are produced, and almost no fragmentation occurs. This makes the method well suited for molecular weight determinations and mixture analysis
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Mass Spectrum Analyses -- See Mass Spectrometry


An analytical method used in determining the identity of a chemical based on its mass using mass analyzers/mass spectrometers
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  Mass spectrum analysis -- 2 Related Subjects   2
 

Mass. (State) -- See Massachusetts


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Mass Storage Device -- See Computer Storage Devices


Devices capable of receiving data, retaining data for an indefinite or finite period of time, and supplying data upon demand
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Mass Storage Devices -- See Computer Storage Devices


Devices capable of receiving data, retaining data for an indefinite or finite period of time, and supplying data upon demand
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Mass suicide.   4
Mass suicide -- Case studies : Snowballing ... #prayforme : a qualitative study using snowball sampling / Wendy M. Edmonds  2019 1
Mass suicide -- Fiction. : The black monastery / Stav Sherez  2010 1
 

Mass suicide Guyana -- See Also the narrower term Jonestown Mass Suicide, Jonestown, Guyana, 1978


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