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 675 for “"Bidirectional"”.
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Bidirectional transport by molecular motors
… motors simultaneously, so that they can travel bidirectionally, as observed in cells. The presumably simplest mechanism for such bidirectional transport is provided by a 'tug-of-war' between the two motor teams which is governed by mechanical motor interactions only. We develop a stochastic …
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Bidirectional mode-locked fiber ring laser
… explored in an unidirectional mode, while bidirectional remains a promising source for applications with considerable space for experimental innovation. In this project, efforts have been made to contribute to the scientific achievements in this area, with the implementation of an …
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Surface Roughness Effects on Bidirectional Reflectance
Made available in DSpace on 2014-12-10T22:48:19Z (GMT). No. of bitstreams: 1 7317428.pdf: 4305340 bytes, checksum: 8e833be46ed968f799b263c9cc9027fb (MD5) Previous issue date: 1972
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Bidirectional UWB Localization with Rigorous Sectoral Evaluations
This dissertation addresses a bidirectional scheme of Ultra-Wideband (UWB)-based localization system, which is generally overlooked in the literature causing its potential overshadowed. The bidirectional scheme is one of the three design integration processes usually applied in UWB-based …
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Bidirectional Distribution Reflection Function of Algodones Dunes
<p>The primary objective of this project was to develop the Algodones Dunes as a pseudo-invariant calibration site (PICS) suitable for absolute calibration of satellite sensors based on a surface reflectance model. Two approaches were taken during this research: a field campaign and laboratory …
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An ORC Flip Enables Bidirectional Helicase Loading
… conformation prepares the helicases to initiate bidirectional replication upon entry into S-phase. Interactions between three proteins and the Mcm2-7 helicase guide eukaryotic helicase loading. The origin-recognition complex (ORC) recognizes and binds origin DNA and recruits Cdc6. Mcm2-7 in …
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Design of a 4x4 bidirectional routing board
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
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Design exploration through bidirectional modeling of constraints
… models for linking representations, with bidirectional ones, further supports design exploration. The key benefit of bidirectional models is the ability to swap the role of driver and driven in the exploration. The thesis developed around a set of design experiments that tested the …
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Dual channel bidirectional wavelength division multiplexing datalink
… from the experimental data, we design a 20 km bidirectional WDM datalink. The design is backed up with theory and measurements. Fiber to the home is one of many applications that makes use of such a design.
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EphB: Ephrin-B Bidirectional Signaling in Retinocollicular Mapping
… signify the potential role for EphB:ephrin-B bidirectional signaling in the development of the visual system. Previous studies of EphB2-/-;EphB3-/- (receptor null mutant) and EphB2lacZ/lacZ;EphB3-/- (EphB2 intracellular signaling deficient mutant) mice established that EphB acting as a ligand …
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Schedules for Dynamic Bidirectional Simulations on Parallel Computers
… optimal parallel reversal schedules for the bidirectional simulation are provided by this thesis.
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Bidirectional cargo transport by microtubule-based molecular motors
We have reconstituted a simple in vitro system using only mammalian dynein and mammalian kinesin attached to a single cargo. These cargoes undergo saltatory motion typically seen in vivo, indicating that the motors engage in a tug-of-war. When the complex hits a barrier, the cargo often reverses …
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Channel reuse multiple access in bidirectional bus networks
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1989.
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Customizing Multifunctional Bidirectional Neural Interfaces through Fiber Drawing
… closed-loop neuroprosthesis was developed to bidirectionally interface with the gastrointestinal tract of swine. It was shown to successfully modulate the musculature to generate coordinated peristaltic waves and address dysmotility in the esophagus and the stomach. Taken together, the …
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Bidirectional natural language parsing using streams and counterstreams
Thesis (M.Eng. and S.B.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
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Characterisation and simulation of bidirectional multiphase flow in tubes
The bidirectional flow reversal phenomenon results in liquid accumulation, causes significant increase in pressure drop and therefore, the pumping power. In pipelines, this poses significant problem due to the presence of slug to churn, especially in producing gas wells. To understand the …
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Correlated response and sexual dimorphism in bidirectional selection experiments
This dissertation involved two experiments, (1) the study of realized heritabilities of correlated traits, and (2) the study of the inheritance of sexual dimorphism or body weight. The first experiment included data from four generations of double two-way selection for body weight and breast angle …
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A Bidirectional Pipeline for Semantic Interaction in Visual Analytics
… models. This is accomplished using an underlying bidirectional pipeline that first uses statistical models to visualize the raw data. When a user interacts with the visualization, the interaction is interpreted into updates in the model parameters automatically, giving the users immediate feedback …
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