Yuta Sakaguchi

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First-principles simulations of large-scale semiconductor systems using the PHASE code on the Earth Simulator (ES) demonstrate high performance with respect to the theoretical peak performance. PHASE, designed for vector-parallel systems like the ES, demonstrates excellent parallel efficiency. We simulated an arsenic donor in silicon using up to 8,000 atom(More)
The nuclear numbers of situated between the cephalic space and the nerve ring (CS-NR) in the microfilariae of six filarial species were examined. For the counting of nuclei, aceto-orcein squashing preparations were used. This procedure revealed nuclei clearly visible under the phase-contrast microscope. The mean number of nuclei in the CS-NR region was very(More)
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