Research Guides: Graduate Students: Graduate Students Home
Bettina Peacemaker · 2013
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About 10,000 papers for “Graduate students”
Bettina Peacemaker · 2013
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Project Muse (Johns Hopkins University) · 2018
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Khaled S. Asfour, At The, C Khaled S. Asfour et al. · 1987
The thesis attempts to study the urban structure of a traditional quarter in Cairo through a sociological point of view. In order to pursue this study it is necessary to understand the relationship between the built form and its users. From this understanding stems the approach of how to discern the social study in a way that could be useful and apprehendable to the architect. Before undertaking the case study, examples of other sociological studies are extracted to demonstrate the connection between behavioral patterns of the users and their built environment. These preliminary examples show how the built form, together with the disposion of its elements, could be understood through social studies.
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Prof P. Elias, Prof E. V. Hoversten, Prof R. S. Kennedy et al. · 2016
We are studying the fundamental limitations and efficient utilization of optical com-munication channels. Our interests include quantum and scattering channels, and the turbulent atmospheric channel. During the coming year we shall concentrate on the fun-damental theoretical questions in quantum communication, on experimental determina-tion of the fundamental characteristics and attainable performance of over-the-horizon scatter propagation links, and on the development of simple high-rate line-of-sight sys-tems. The central question to be resolved in our quantum studies is whether the limitations encountered in the class of systems considered thus far are fundamental in nature, or whether they can be circumvented, in principle or in practice, by more general signal generation and measurement schemes than have been considered previously. Although the results of the investigation may be negative (i. e., the best possible results may not in fact be substantially better than those already known), the possibility of a positive result dictates that the issue be addressed. The characteristics of scatter propagation over non line-of-sight paths and the com-
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William Anderson Bu, T. R. Lakshmanan Bu, Steven Chapra Tufts et al. · 2004
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Prof B. E. Warren, R. L. Mozzi, B. E. Warren · 2016
A new development that allows the elimination of the Compton modified component in the measurement of the x-ray scattering from amorphous solids is being utilized for a refined determination of the structure of the simple glasses. The more important
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Ayumi Shinohara, Shigeru Takano, Satoru Miyamoto et al. · 2003
This paper presents our approach to the Sony Four Legged Robot League of Robocup 2003. The components of our system mainly consist of vision, localization, behaviors and walking module. We are also developing software tools that support interactive adjustment of walking motions, fixed motions, and color recognition.
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Ames Forestry Club · Iowa State University Digital Repository (Iowa State University) · 1963
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Ames Forestry Club · Iowa State University Digital Repository (Iowa State University) · 2002
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J. Haxby Abbott, Ross Wilson · OSF Preprints (OSF Preprints) · 2023
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2014
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Ames Forestry Club · Iowa State University Digital Repository (Iowa State University) · 1983
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Ames Forestry Club · Iowa State University Digital Repository (Iowa State University) · 1962
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Ames Forestry Club · Iowa State University Digital Repository (Iowa State University) · 1968
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Vladimir Bulovic, Seth Coe, Conor Madigan et al. · 2015
We are a new group at MIT. We study physical properties of organic thin films, structures, and devices. Our fundamental findings are applied to the development of optoelectronic, electronic, and photonic organic devices of nano-scale thickness, including visible LEDs, lasers, solar cells, photodetectors, transistors, flexible and transparent optoelectronics. In addition to working on small-molecular-weight van-der-Waals-bonded organic thin films, in the future we will also examine polymer solids, self-assembled materials, and hybrid organic/inorganic structures. We aim to reduce the size of active organic layers from the present nano-scale thickness of organic thin films to that of single molecules, with the ultimate goal of probing functionality of single molecules or polymer strands. The present strong interest in use of organic thin films in optoelectronics stems from many technological benefits intrinsic to these materials. Organic thin film are simple to grow over both small and large areas, and easy to integrate with both conventional technologies and less conventional materials such as flexible, self assembled, or conformable substrates. Although functional use of organics has been demonstrated in the form of light emitters, photodetectors, optical elements, and active electronic logic components, many basic electronic and optical
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Prof C. H. Perry, Dr. R. P. Lowndes, T. G. Davis et al. · 2016
The study of solids by means of infrared and Raman techniques continues to be the main field of research. The relation of the optical properties with impurities in vari-ous crystal lattices are now being investigated, and mixed-crystal systems continue to be of interest. An Argon laser is expected to be added to the Raman spectrometer. We plan to add a new double monochromator with photon counting and improved low temperature capa-bilities as soon as funds are available. A variable temperature cryostat is now opera-tional for the infrared and Raman equipment. The publications and papers presented at various meetings summarize the research accomplished during the past year. The research in progress and planned for the first half of the coming year includes investigations of phonons in ammonium halides, mixed KCI-KBr crystals and other mixed alkali halides, (Na, K) TaO3 ferroelectrics, impurity absorption in perovskite fluorides, silver, and thallous halides, rare-earth fluorides, and host crystals con-taining other rare earths in concentrations varying between 0. 1-1. 0 mole per cent.
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Prof T. H. Dupree, Prof L. M. Lidsky, Prof N. L. Oleson et al. · 2016
In previous reports1, 2 we have discussed single charged-particle motion in a con-stant pitch and constant amplitude magnetic perturbation with relation to "corkscrew" injection and wave-particle interaction in magnetized plasma. We have worked out the motion of untrapped 1 and trapped 2 particles. Here we apply Dupree's strong turbulence theory 3 to wave-particle interaction in a transverse electromagnetic wave propagating parallel to an external magnetic field. By using a transformation of the velocity coordinate,4 which is essentially transforma-tion to the wave frame used in studies of the single-particle motion,2 we reduce the Vlasov equation to a one-dimensional diffusion-type equation. Then manipulation sim-ilar to that of the longitudinal wave case by Dupree3 leads to nonlinear wave-particle interaction including "trapped " particle effects. We compare the results in the strong field limit, where the trapping effect is impor-tant, with the results of the single-particle model. The results agree except for numer-ical factors. The single-particle calculation gives a proof of the correctness of the strong turbulence theory, which includes some crucial assumptions and provides some clearer physical intuitions. 1. Strong Turbulence Theory We start with the Vlasov equation: 8f 8 q 8 + v-f +- (E+vX B) f = 0. (1)t r m av We consider a transverse electromagnetic wave propagating parallel to an external
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Medical Art, Photography & Digital Imaging · Library (Trinity College)
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Danielle Kirsch · OSF Preprints (OSF Preprints) · 2024
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Ames Forestry Club · Iowa State University Digital Repository (Iowa State University) · 1981
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