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We investigate adsorbed Si atoms on the Si(111)7x7 surface deposited from an scanning tunneling microscope (STM) tip. In our experiments at room temperature, two types of Si adsorbates on the surface are observed, ''staying'' Si adsorbate that remains at the same position, and ''diffusing'' Si one that is detected as a noise-like feature on an STM image. Molecular orbital calculations are performed...
We studied the effects of theophylline in the control of convulsive attacks in patients with convulsive disorders. Thirteen patients with febrile convulsions and eight patients with epilepsy were subjected to this study. They had been receiving oral maintenance theophylline therapy at our institution over the past 10 years. Four of 13 patients with febrile convulsion and three of eight epileptic...
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