نتایج جستجو برای: electronic spatial extent

تعداد نتایج: 770167  

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The present research about the spatial changes of precipitation is mainly focused on western areas of Iran. Precipitation data for three seasons of fall, winter, and spring have been obtained from Esafzari Database, with 15*15 km spatial resolution in the form of a Lambert Cone Image System for the period from 1986 to 2015. To examine the prevailing pattern of precipitation in west of Iran, we ...

2011
Arjan Hillebrand Gareth R. Barnes

We aimed to determine practical constraints on the estimation of the spatial extent of neuronal activation using MEG beamformers. Correct estimation of spatial extent is a pre-requisite for accurate models of electrical activity, allows one to estimate current density, and enables non-invasive monitoring of functional recovery following stroke. The output of an MEG beamformer is maximum when th...

Journal: :Nature nanotechnology 2014
Chul-Ho Lee Gwan-Hyoung Lee Arend M van der Zande Wenchao Chen Yilei Li Minyong Han Xu Cui Ghidewon Arefe Colin Nuckolls Tony F Heinz Jing Guo James Hone Philip Kim

Semiconductor p-n junctions are essential building blocks for electronic and optoelectronic devices. In conventional p-n junctions, regions depleted of free charge carriers form on either side of the junction, generating built-in potentials associated with uncompensated dopant atoms. Carrier transport across the junction occurs by diffusion and drift processes influenced by the spatial extent o...

2010
Eric Overby Jonathan Clarke

Price disparities across locations can occur when sellers in one location have difficulty matching with buyers in a different location due to the transaction costs of trading across distance. Spatial arbitrageurs exploit these discrepancies by buying goods from locations where prices are low and reselling them at locations where prices are high. Electronic channels should lower the transaction ...

Journal: :Science 2010
Anthony Richardella Pedram Roushan Shawn Mack Brian Zhou David A Huse David D Awschalom Ali Yazdani

Electronic states in disordered conductors on the verge of localization are predicted to exhibit critical spatial characteristics indicative of the proximity to a metal-insulator phase transition. We used scanning tunneling microscopy to visualize electronic states in Ga(1-x)Mn(x)As samples close to this transition. Our measurements show that doping-induced disorder produces strong spatial vari...

2011
Ajay Kumar Mishra

2010 Acknowledgments I would first like to thank my supervisors, Dr. Cheong Loong Fah and Dr. Ashraf Kassim, for all the support and guidance they provided over the five years of my PhD. I would also like to thank Dr. Stefan Winkler for his support as my supervisor for the period of 2006-2007. I have had tremendous opportunity to learn from all of my supervisors. I feel truly enriched both acad...

2012
Elizabeth Noemi Lima Elizabeth Noemí Lima Elizabeth N. Lima Bryan R. Loney Cathy Levenson Thomas E. Joiner Colleen Kelley Jon Maner Bryan Loney Mark Reeves

The Office of Graduate Studies has verified and approved the above named committee members iii A mima, a Kiko y a los que dejamos en Cuba iv ACKNOWLEDGMENTS I appreciate the contributions and support from the following individuals: Dr. Bryan Loney, my major professor, and my dissertation committee members: Dr. also thank my colleague Mark Reeves for his instrumental assistance in programming. T...

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