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 452 for “"Seat"”.
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Handicapped car lifting seat
… conceptual model of a handicapped car lifting seat. An initial cost analysis is performed, an apparatus is designed, all necessary materials are gathered, an apparatus is constructed, and the device is tested. The result was the successful completion of a device that successfully assists in the …
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Factors that impact seat belt usage and injury severity of belted front seat occupants
Factors influencing seat belt usage have been extensively researched in the safety analysis literature. Most of this research has focused on factors that influence seat belt usage for a driver and front seat passenger in a vehicle. Few research studies have investigated factors that impact seat …
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Advanced aircraft seat design : solving the problem of rearward space intrusion with a sliding-out seat back
An aircraft economy-class seat that reclines via a sliding-out backrest was designed, fabricated and tested for comparison with a baseline aircraft seat. The goal was to design a seat that was at least as comfortable as the baseline seat so as to demonstrate the viability of replacing the usual …
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Back seat driver : voice assisted automobile navigation
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Architecture, 1989.
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An automotive lower back seat system design
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1994.
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Advanced aircraft seat design : the webbing concept
… day and age that any significant improvement in seat comfort on board a commercial passenger jet is likely to affect almost everybody. A proposed design concept in this project is the use of webbing as the substitute for current foam cushioning in the seat back. The result is a webbing-foam …
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Regulation of Seat-patch Water Potentials in Anurans
… of blood. Some reports have speculated that seat-patch may act as a compartment of water exchange between the blood and the environment. Thus, I have studied the water potential of the seat-patch and blood to evaluated their roles in water uptake in frogs. The water potentials of seat-patch …
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An Optimization Technique of Airlines' Seat Inventory Management
… classes along with multi flight connections. The seats' allocation process came out with the maximum possible revenues, and enough flexibility in terms of changing such allocation to work around competition and trends. Results came supportive to the hypothesis. Sensitivity analysis provided our …
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Hydraulic Mechanisms of Concrete-Tie Rail Seat Deterioration
Rail seat deterioration (RSD) is considered the most critical problem with concrete-tie performance on North American freight railroads. RSD is the deterioration of the concrete underneath the rail that results in problems such as wide gauge, insufficient rail cant, and loss of fastening toe load. …
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Happiness in the catbird seat : conversations with CEOs
… you are sitting in Thurber's proverbial "catbird seat," what is happiness? In conversations with 18 senior leaders of Fortune 1000 companies, guided by scripted questions posed by the author, the leaders responded to inquiries about their understanding of happiness, the influencers of happiness, …
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Design of a four-point seat-belt presenter
… of this thesis was to design and prototype a seat-belt presenter of a four-point seat-belt system for the Lear Corporation. The seat-belt presenter designed is to be implemented in automobile seats in order to facilitate putting a four-point seat belt. The worked perform is the culmination of …
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Air travel demand and airline seat inventory management
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1987.
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Application of Magnetorheological Dampers for Vehicle Seat Suspensions
… to the problem of poor subjective feel of seat suspensions that employ magnetorheological (MR) dampers and skyhook control. An Isringhausen seat suspension that had been modified to replace the stock passive damper with a controllable MR damper was used to evaluate the problems and …
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The history of the seat of government of California
… was ready.</p><p>To study the history of the seat of government of this state is to become familiar with the bickerings, delays, corruption, pettiness, greed, and frailties of republicanism at work. Yet the history of the government of California is at the same time a marvelous example of the …
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Quantification of rail seat load distributions on concrete crossties
… of load imparted to concrete crosstie rail seats. The rail seat load distribution is critical to the analysis of failure mechanisms associated with rail seat deterioration (RSD), the degradation of the concrete surface at the crosstie rail seat. RSD can lead to wide gauge, cant deficiency, …
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Leg-based heuristic methods to network seat inventory control
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1994.
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Airline network seat inventory control : methodologies and revenue impacts
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1992.
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Protection of Rear Seat Occupants Using Finite Element Analysis
… majority of car crash deaths occur in the front seats because the majority of occupants sit in the front seats. Traditionally, the rear seats were safer than the front seats because a front seated occupant would be closer to rigid structures such as the steering wheel, and they would be closer to …
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In the Driver's Seat: Living and Working as a Trucker
<p>This project examines the work and personal lives of truck drivers. Using data from fieldwork at a Midwestern trucking company, along with interviews with 38 drivers, dispatchers, company management and spouses and partners of drivers, I explore the questions: Thirty years out from deregulation, …
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Comparison of optimization techniques for origin-destination seat inventory control
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1988.
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