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This article describes a method to analyze characters in a literary text by considering their verbal interactions. This method exploits techniques from computational linguistics to extract all direct speech from a treebank, and to build a conversational network that visualizes the speakers, the listeners and their degree of interaction. We apply this method to create and visualize a conversational...
An NMR imaging method, called spin invesion (SI) imaging, is described for imaging under a magnetic field with high nonuniformity. 180?? flips are applied between sampling times of the FID to remove the effects of field nonuniformities on the FID. The only requirement for SI imaging is to have high enough RF power. This requirement may be satisfied safely for small volume imaging, for example, head...
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