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 358 for “"Twist"”.
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Twist
Novel
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DNA supercoiling with a twist
The level of torsion in double-stranded DNA regulates base-pair stability and DNA conformation. It is important in initiation and regulation of specific DNA metabolic processes as well as chromatin assembly. High mobility group proteins (HMGB) are architectural proteins whose HMG DNA binding …
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Black holes with a twist
In this thesis we study string theory on orbifolds of AdS3. Non-extremal BTZ black holes have been shown to oer a good opportunity to study closed string tachyon condensation, as there are tachyons in the winding sector even in superstring theory. We study extremal BTZ black holes, both M = 0 and M …
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Anyonic symmetry and twist defects
… of semiclassical point defects, called twist defects, which permute orbiting anyons by their symmetries. We see how to realize these defects at domain walls on the gapped edges of non-chiral fractional quantum Hall states. We have distinct gapped edge phases in one to one correspondence …
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Transient phenomena in false twist texturing
Thesis. 1976. M.S. cn--Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
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On the mechanics of twist insertion.
Massachusetts Institute of Technology. Dept. of Mechanical Engineering. Thesis. 1965. Sc.D.
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Diffusion along twist grain boundaries in copper
U of I Only
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On the mechanics of alternate twist yarns,
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1970.
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Dickens bereaved : a psychological examination of Oliver Twist.
… grief plays itself out in the pages of Oliver Twist, the novel he was writing at the time of her death. One may see evidence of Dickens's grief process in the often haphazard narrative structure of the novel, particularly in the inordinate use of impossible coincidence to facilitate its …
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Design, manufacturing, and testing of an active twist rotor
An Active Twist Rotor (ATR) is developed for future implementation of the individual blade control for vibration and noise reduction in helicopters. The rotor blade is integrally twisted by direct strain actuation using active fiber composites (AFC). In order to design and analyze an active blade, …
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Turnout twist : higher voter turnout in lower-level elections
… elections, which I define as the "turnout twist" phenomenon. They can be found in Australia, Canada, Finland, France, India, Italy, Northern Ireland, Spain, and Switzerland. Second, I hypothesize that relative voter turnout in subnational vs. national elections is determined by the relative …
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Further investigation of body twist assisted reaches and moves, body twist assisted reaches and moves where the supply level is of normal height
The object of production has been described as “to produce a required quality by the best and cheapest method at the required time.” In order to accomplish this aim, the use of scientific methods has become so common and extensive a practice in industry that it is now considered the basis of modern …
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Corrosion of Some Tilt and Twist Boundaries in Aluminum Bicrystals
Made available in DSpace on 2014-12-10T17:57:41Z (GMT). No. of bitstreams: 1 6507066.pdf: 1789755 bytes, checksum: 12ecbb6a4bc6615e0d30c9759c159bfc (MD5) Previous issue date: 1965
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Twist angle physics in graphene based van der Waals heterostructures
In this thesis, I present my experimental work on twisted bilayer graphene, a van der Waals heterostructure consisting of two graphene sheets stack on top of each other. In particular, the twist angle is a new degree of freedom in this system, and has an important effect in the determination of its …
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Twist: Sound Reasoning for Purity and Entanglement in Quantum Programs
… other expression in the computation. I present Twist, the first language that features a type system for sound reasoning about purity. The type system enables the developer to identify pure expressions using type annotations. Twist also features purity assertion operators that state the absence …
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Steady state mechanics of the false twist yarn texturing process
Thesis. 1975. Sc.D.--Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
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Twist error response of periodic lattices to strain energy distribution
… can change the magnitude and shape of the twist response of the lattice when external geometric errors are applied to the lattice during folding. A Buckingham Pi analysis was used to show how the twist response of the lattice due to an external angular wall error depends on the torsional …
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Integral twist actuation of helicolpter rotor blades for vibration reduction
Active integral twist control for vibration reduction of helicopter rotors during forward flight is investigated. The twist deformation is obtained using embedded anisotropic piezocomposite actuators. An analytical framework is developed to examine integrally-twisted blades and their aeroelastic …
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