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 555 for “"Liquid phase"”.
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Kinetics of transient liquid phase bonding
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1993.
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Vapor-liquid phase equilibria at low temperatures
Abstract not available.
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Transient liquid-phase infiltration of aluminum alloys
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2002.
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Liquid phase hydroformylation by zeolite supported rhodium
… of homogeneous rhodium species as catalysts for liquid phase hydroformylation of 1-hexene in order to study the effects of zeolite immobilization. NaX zeolite was cation exchanged with several rhodium salts and used as hydroformylation catalysts at 50°C and 125°C in the presence of: …
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Quantitative analysis of protein liquid-liquid phase separation
… proteins tend to demix into a protein-rich liquid condensate phase and a protein-poor dilution phase. This process of liquid–liquid phase separation (LLPS) has emerged as a crucial mechanism for describing the production of biological condensates in live cells, which have been found to be …
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Low temperature transient liquid phase bonding of copper
This thesis describes a Pb-free solder alternative that is capable of fluxless bonding. The main advantage of this process is that it offers the benefits of low fabrication temperature (125⁰C) while producing a joint capable of withstanding low stresses at very high service temperatures (300⁰C+). …
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Liquid phase crystallized silicon on sinusoidal textured glass substrates
… is to identify a light trapping scheme for liquid phase crystallized silicon thin-film solar cells providing anti-reflective properties in the wavelength range of interest and to demonstrate its suitability for maintaining the silicon material quality. Since the silicon material quality is …
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Supercontinuum radiation for ultra-high sensitivity liquid-phase sensing
… that have been developed for and applied to liquid-phase analysis, with supercontinuum (SC) radiation used for liquid-phase absorption for the first time. Firstly, supercontinuum cavity enhanced absorption spectroscopy (SC-CEAS) was used for the kinetic measurement of chemical species in the …
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Transient liquid-phase infiltration of a powder-metal skeleton
Transient Liquid-Phase Infiltration (TLI) is a new method for densifying a powder-metal skeleton that produces a final part of homogeneous composition without significant dimensional change, unlike traditional infiltration and full-density sintering. Fabrication of direct metal parts with complex …
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Low temperature transient liquid phase bonding for electronic packaging
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1992.
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Vapor-Liquid Phase Equilibria Using Monte Carlo Wang-Landau Simulations
… of the molecules while in the vapor phase. Therefore molecular simulations stand as an appropriate alternative for determining the critical point and phase coexistence properties of these fluids. Most simulation methods that are apt for this task rely on particles insertion and …
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Molecular dynamics simulations of pressure shocks in liquid phase nitromethane
The dynamic energy transfer processes present in liquid nitromethane (NM) under pressure shock loading conditions have been investigated by nonequilibrium molecular dynamics methods using a previously developed, fully flexible NM force field (Sorescu, D. C.; Rice, B. M.; Thompson, D. L. J. Phys. …
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Development of (Re)BaCuO Coated Conductors by Liquid Phase Epitaxy
… Most of these processes are based on vapour phase deposition techniques that have relatively low growth rates. A high-rate processing route was proposed based on the observation of high growth rate of (RE)Ba2Cu3O7- δ superconducting compounds (RE = rareearth element) from a flux …
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Transport of Liquid Phase Organic Solutes in Liquid Crystalline Membranes
… were impregnated with 8CB and PCH5 LCs (liquid crystals) and separations of solutes dissolved in aqueous phases were performed while monitoring solute concentration via UV-VIS spectrometry. The diffusing organic solutes, which consist of one aromatic ring and various functional groups, …
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Asssessing the Liquid-Liquid Phase Separation Abilities of Eyes Absent Protein
… EYA TADs were identified as potential drivers of liquid-liquid phase separation in a proteome-wide screen. The apparent conservation of this physical potential within the disordered region of EYA proteins suggests that phase separation of this region may play a role in interactions between EYA and …
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In-situ measurements of the Liquid-Phase Sintering of Zinc Oxide
… is the basic system for ceramic varistors. Phase formation during sintering of ZBS was measured in situ, using 1 mm thick samples and synchrotron X-rays. Thermodynamic calculations were performed to explain phase formation, composition, stability of additive oxides and influence of the …
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Transient Liquid Phase Bonding of Titanium-, Iron- and Nickel- Based Alloys
… knife-line attack. On the other hand, transient liquid phase (TLP) bonding method has been considered as preferred joining method for those types of alloys.</p> <p>During the initial phase of the current work commercially pure Ti, Fe and Ni were diffusion bonded using commercially available …
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New Pathways for Asphaltenes Upgrading via Oxy-cracking in Liquid Phase
… them is relevant. Oxy cracking asphaltenes in liquid phase under alkali conditions could be a new approach to creating more value from asphaltenes, this is the topic of this research. Asphaltene drops were oxy-solubilized in water with the ultimate intention of reducing their molecular weight, …
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Liquid-phase adsorption of n-paraffins on type 5A molecular sieves
… of factors affecting the adsorption of binary liquid mixtures of high molecular weight normal paraffins (C12, C16, and C20) from isooctane on type 5A molecular sieves. The literature relating to molecular sieve properties and applications, and to liquid-phase adsorption of high molecular weight …
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