Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 18284 for “"Mass"”.
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Paradigm shift--from mass production to mass customization
Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1991.
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Mass Matters
… debate in the psychology of language. The count-mass noun distinction is a key focus in this debate. Mass nouns (i.e., invariant singulars such as grass, air, milk, kerosene) typically refer to substances whereas count nouns (e.g., nouns which appear freely in the singular and plural form such as …
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Mass Functions and Mass Segregation in Young Starburst Clusters
… the aim to gain deeper insight into the stellar mass distribution in starburst clusters. The dense stellar population in both clusters is resolved in unprecedented detail with high angular resolution, near-infrared instruments. In the case of the Arches cluster, diffraction-limited, adaptive …
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Investigating the Low-Mass Stellar Initial Mass Function in Draco
We present new analysis of the low-mass stellar initial mass function ($\sim0.4-0.8M_\odot$) in the Local Group dwarf spheroidal galaxy, Draco. Using archival HST/ACS and WFC3 optical imaging, we construct deep color-magnitude (CMD) diagrams in 3 different felds at 3 different galactocentric radii …
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Japanese Cinema as Mass Art: An Export of Mass Cinema
… definition of cinema and contemporary media as ‘mass art’ has informed the way in which the thesis notes variation in film content, and forms the core methodology. The selected texts range from the post-war period (1948) with films by directors such as Akira Kurosawa, to contemporary animation …
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Equipartition and mass segregation : simulations of star clusters with two mass-components
… system is studied under the aspects of mass segregation and equipartition processes. We analyse the idealized case of a cluster with two distinct mass components. The individual ratio of the heavy to light bodies, \mu = m_2/m_1, is varied from 1.25 to 50.0 and the fraction of the total …
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Determination of High Mass, Low Intensity and Transient Mass Spectra by Computer
… high molecular weight for field desorption (FD) mass spectrometry earlier led to the proposal of hexakis(multifluoroalkoxy)cyclotriphosphazenes as standards. The phosphazenes tend to give only molecular ions in the FI/FD mode. Their peaks' negative mass defects rarely interfere with sample peaks …
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Quantitative crosslinking mass spectrometry
… monitor by existing technologies. Crosslinking mass spectrometry (CLMS) can provide residue-resolution distance restraints, which may in principle be quantified to obtain unique insights into the structural flexibility of proteins. However, quantitative crosslinking mass spectrometry (QCLMS) …
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Tall Mass-Timber Building
… through the design of a tall building using mass timber as its main structural material. Engineered timber is here, the future is bright!
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Mass transport in polymers
The study of mass transport in polymeric membranes has grown in importance due to its potential application in many processes such as separation of gases and vapors, packaging, controlled drug release. The diffusion of a low molecular weight species in a polymer is often accompanied by other …
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Electrohydrodynamic Ionization Mass Spectrometry
Made available in DSpace on 2014-12-13T20:10:32Z (GMT). No. of bitstreams: 1 7913522.pdf: 3974491 bytes, checksum: 59719994a36bcfa29226714fb033a0b8 (MD5) Previous issue date: 1978
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Simulation driven mass customization
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2001.
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The Evolution of Intermediate-Mass Stars as a Function of Mass and Composition
Made available in DSpace on 2014-12-14T14:37:29Z (GMT). No. of bitstreams: 1 8008972.pdf: 12416481 bytes, checksum: 6ea64b2011fe4882c0fb9f7b9a2711f0 (MD5) Previous issue date: 1979
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Laser-Ionization Time-of-Flight Mass Spectrometry of High Molecular Mass Inorganic Complexes
Laser-Ionization Time-of-Flight Mass Spectrometry (LI-TOF-MS) is a sophisticated tool for the molecular-weight determination and structural characterization of a variety of molecules. Advances in instrumentation and ionization methods have recently expanded its role in the analysis of high-mass …
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Monolithically 3-D Printed, Quadrupole Mass Filter for High-Precision, Compact, CubeSat Mass Spectrometry
Mass spectrometry is the gold standard for quantitative chemical analysis. However, mainstream mass spectrometers are large, heavy, and power hungry, restricting their ability to be deployed into in-situ, portable, and hand-held scenarios, e.g., drones and CubeSats (measurements in the atmosphere …
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Mass spectrometry of crosslinked peptides
… of crosslinked peptides by analysing their mass spectrometric fragmentation behaviour and leveraging the knowledge gained for the development of advanced acquisition methods. First, I investigate the influence of the employed fragmentation method and parameters on peptides crosslinked with …
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Supercritical fluid chromatography - mass spectrometry
… a complementary method.<br/>SFC coupled to mass spectrometry, with an electrospray ion source, was used to<br/>analyse diverse series of test compounds. The ionisation of samples in the absence of<br/>high voltage, i.e. ionisation voltages, was observed when a SFC was coupled …
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Protein Characterization by Mass Spectrometry
<p>Powerful new techniques in mass spectrometry (MS) provide an unprecedented opportunity to develop methods that facilitate protein characterization. This thesis utilizes matrix-assisted laser desorption/ionization and electrospray ionization MS to explore protein structure. Starting at the …
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