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 13 of 13 for “"FAMILY OF CURVES"”.
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A family of curves for the geometric mean distance of one rectangle from another
Thesis: B.S., Massachusetts Institute of Technology, Department of Electrical Engineering, 1944
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Graded Lie Algebras, Compactified Jacobians and Arithmetic Statistics
A simply laced Dynkin diagram gives rise to a family of curves over Q and a coregular representation, using deformations of simple singularities and Vinberg theory respectively. Thorne has conjectured and partially proven a strong link between the arithmetic of these curves and the rational orbits …
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Thunderstorm runoff in southeastern Arizona.
Almost all runoff-producing rainfall on small watersheds (100 square miles and less) in southeastern Arizona results from air-mass thunderstorms. On large watersheds (1,000 square miles and greater) frontal systems which may include thunderstorm activity or snowmelt produce the major flood peaks as …
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Developing an Automatic Generation Tool for Cryptographic Pairing Functions
… more attention from industry, mainly because of the increasing interest in Identity-Based protocols. Although there are plenty of applications, efficiently implementing the pairing functions is often difficult as it requires more knowledge than previous cryptographic primitives. The author …
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A method of grading molybdenum permalloy toroidal cores to predetermine required turns for a given inductance
… sizeable labor loss in adjusting the number of turns for required inductance values; for example, an Arnold Engineering Company A-930157-2 core with a 1000-turn winding may range from 135 to 179 millihenries. It is therefore highly desirable that large-scale users of these cores grade them …
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Robust hybrid control for autonomous vehicle motion planning
This dissertation focuses on the problem of motion planning for agile autonomous vehicles. In realistic situations, the motion planning problem must be solved in real-time, in a dynamic and uncertain environment. The fulfillment of the mission objectives might also require the exploitation of the …
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An experimental study of the atmospheric boundary layer modified by a change in surface roughness and surface temperature
… Ocean at Wallops Island, Virginia. The type of flow measured approached the tower from the ocean resulting in a complex three-dimensional type of flow as it sees a change in roughness and a possible change in surface temperature when passing the shoreline. During warm summer afternoons, the …
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Gate current modeling of tunneling real-space transfer transistor with negative differential resistance
In this project, the modeling of gate current is introduced to obtain a negative differential resistance (NDR) on a dual-channel tunneling real-space transfer transistor (TRSTT). The device was fabricated on a GaAs (100) substrate with a GaAs/InGaAs/GaAs straddling heterostructure. According to the …
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Buckling and postbuckling behavior of prolate spheroidal shells under uniform external pressure
… both the buckling and postbuckling behavior of completely, enclosed prolate spheroidal shells under uniform external pressure. It is assumed that the shells are isotropic and elastic, and have a uniformly thin wall. It is further assumed that the prebuckling state can be described by membrane …
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The Effects of Vibration on the Penetration Resistance and Pore Water Pressure in Sands
… during seismic loading involves the comparison of the seismic stresses imparted into a soil mass during an earthquake to the penetration resistance measured during an in-situ test. The approach involves an indirect empirical correlation of soil density and other soil related parameters to the …
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Local scour at bridge piers
… was investigated experimentally. The aim of the study was to improve understanding of local scour around bridge piers with sediment transport. Three empirical functions which relate the equilibrium depth of scour with approach velocity, flow depth and sediment size were obtained for …
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ΥΠΑΡΞΗ ΛΥΣΕΩΝ ΤΟΥ ΑΝΤΙΣΤΡΟΦΟΥ ΠΡΟΒΛΗΜΑΤΟΣ ΤΗΣ ΔΥΝΑΜΙΚΗΣ ΣΤΟΝ ΤΡΙΣΔΙΑΣΤΑΤΟ ΧΩΡΟ
THIS WORK DEALS WITH THE FUNDAMENTAL QUESTION OF THE POSSIBILITY OF THE DETERMINATION OF THE POTENTIAL FIELD FROM TWO PARAMETRIC FAMILIES OF ORBITS OF A MASS POINT MOVING IN THIS FIELD. THE PRESENT THESIS IS CLOSELY RELATED TO THE WORK BY VARADI AND ERDI (1983). IN FACT THE CONCLUSION REGARDING THE …
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Effect of particle properties on froth stability
… crust, the demand for upgrading and recovery of these natural yet valuable resources will continue to exist. It relies on the principle that a bubble-particle collision process should be accompanied by the formation of an attachment between the pair. Of particular importance to the flotation …