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 494 for “"Metastable"”.
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Metastable legged-robot locomotion
A variety of impressive approaches to legged locomotion exist; however, the science of legged robotics is still far from demonstrating a solution which performs with a level of flexibility, reliability and careful foot placement that would enable practical locomotion on the variety of rough and …
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Thermally metastable fullerenes in flames
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1994.
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Strengthening of metastable beta titanium alloys
… of material behavior and properties. Metastable $\beta$ titanium alloys are a subset of titanium alloys with huge potential for the aerospace sector. However, they exhibit atomic transformations which, even after 60 years of research, are still disputed. For example, these alloys are …
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Transformation toughening of metastable austenitic steels
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1984.
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Absorption studies of metastable helium atoms.
Thesis: B.S., Massachusetts Institute of Technology, Department of Physics, 1966
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NUCLEATION AND DETECTION IN TENSION METASTABLE FLUIDS
… using the underlying science of tensioned metastable fluid detectors (TMFDs) in which neutron radiation interactions with atoms of TMFD fluids cause onset of cavitation bubbles. There are many applications and areas of science that would benefit from an increased knowledge about the …
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Rate-induced tipping to metastable Zombie fires
… tipping (R-tipping) to a subsurface hot metastable state in bioactive peat soils as a main cause of Zombie fires. Our hypothesis is based on a conceptual soil-carbon model subjected to realistic changes in weather and climate patterns, including global warming scenarios and summer …
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Homeostasis of metastable proteins in Alzheimer's disease
… than their solubilities, and constituting a metastable subproteome potentially susceptible to aggregation. These studies illustrate the dependence of aggregation prone metastable proteins on the cellular degradation machineries. They also study the role of metastable proteins and their …
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Collision induced decay of metastable baby skyrmions
… extensions of the standard model predict heavy metastable particles which may be modeled as solitons (skyrmions of the Higgs field), relating their particle number to a winding number. Previous work has shown that the electroweak interactions admit processes in which these solitons decay, …
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Photoassociative Spectroscopy of Ultracold Metastable Argon and Study of Dual Species Trap Loss in a Rubidium-Metastable Argon MOT
… of the dual species trap loss in a rubidium - metastable argon magneto-optical trap and the photoassociative spectroscopy of ultracold metastable argon. The interspecies trap loss rate coefficients have been measured for ultracold collisions between <sup>85</sup>Rb and <sup>40</sup>Ar* in a …
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Phase-Transformations in Metastable Beta' Copper - Zinc Alloys
Made available in DSpace on 2014-12-12T01:04:06Z (GMT). No. of bitstreams: 1 7317520.pdf: 9253816 bytes, checksum: 13b83df262a95b2cdbb3dd7f10a365e8 (MD5) Previous issue date: 1973
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New metastable cathode materials for lithium-ion batteries
… Using ion-exchange procedures has allowed new metastable materials to be obtained which have the potential to be used as cathodes in lithium-ion batteries. Doping these families of materials with different atoms has been shown to improve their electrochemical performance. Ex situ XRD was used …
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Hydrogen-Induced Transformations in Metastable High Entropy Alloys
… mechanical behavior. In particular, metastable alloys—those that exhibit a mechanically-induced austenite-to-martensite phase transformation—pose an interesting opportunity for HE resistance, where the toughening mechanisms associated with this transformation could counter HE effects …
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Melt Processing of Metastable Acrylic Copolymer Carbon Precursors
This thesis is concerned with the development of engineering technologies that facilitate melt spinning of carbon fiber precursors in both an environmentally sound and cost effective manner. More specifically, methods were developed to avoid a degradative process in acrylonitrile copolymers …
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Properties and applications of metastable precious metal intermetallic compounds
… be immiscible but I proposed that a series of metastable solid solutions could be formed by means of magnetron sputtering. Secondly, I hypothesised that the preparation of nanoporous platinum sponges from metastable (PtᵪAl) precursors would produce a different result than producing them from …
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METASTABLE DEEXCITATION SPECTROSCOPY: A NEW PROBE OF SURFACE MAGNETISM
… The electrons ejected from the sample when the metastables deexcite depend upon metastable polarization and sample magnetization. By examining the ejected electrons, the sample magnetization has been measured as a function of electron energy, crystal temperature, and adsorbate (CO) coverage. The …
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Optically induced metastable defect states in amorphous silicon dioxide
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1986.
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Transformation toughening of [gamma][prime]-strengthened metastable austenitic steels
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1990.
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