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In this paper the design and implementation of an Intelligent Tutoring System will be described (ESPRIT BRA IDEAL, Interactive Dialogues for Explanation And Learning3). A special attention will be given on the explanation strategy selection mechanism, which allows the system to provide explanation about a particular domain to a user, in a most cooperative way. The advantages provided by...
The free jet millimetre-wave absorption spectra of oxirane–Ar and its 13C isotopomer observed in natural abundance are reported. The Ar atom lies in the σv symmetry plane of oxirane and the line connecting the argon atom to the centre of mass of oxirane (Ar–CM) forms an r0 angle of 72° with the O–CM line. Two possible pathways and the corresponding potential energy functions for the inversion of Ar...
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