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چکیده
Those MIT faculty who mentioned the Harvard project all agreed that it did little 'to improve teaching performance. Mattuck said it might be counterproductive by driving away good professors who might not wish to subject themselves to the. style. typical of the guide's evaluations, while Humanities Chairman Richard Douglass charged that the comments seemed written more for humor and wit than constructive criticism.
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Singularity Analysis of a 3-rrrr Redundant Spherical Parallel Manipulator
ABSTRACT Study of parallel manipulators highlights the importance of identifying singular configurations (singularities) during the design, and of avoiding them during the operation; because in these configurations the instantaneous kinematics of the manipulator becomes indeterminate. This paper focuses on the determination of singular configurations of a kinematically redundant 3-RRRR spherica...
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We reanalyze the proton decay in the minimal SU(5) SUGRA GUT model. Unlike previous analyses, we take into account a Higgsino dressing diagram of dimension 5 operator with right-handed matter fields (RRRR operator). It is shown that this diagram gives a dominant contribution for p → Kντ over that from LLLL operator, and decay rate of this mode can be comparable with that of p → Kνμ which is dom...
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We reanalyze the proton decay in the minimal SU(5) SUGRA GUT model. Unlike previous analyses, we take into account a Higgsino dressing diagram of dimension 5 operator with right-handed matter fields (RRRR operator). It is shown that this diagram gives a dominant contribution for p → Kντ over that from LLLL operator, and decay rate of this mode can be comparable with that of p → Kνμ which is dom...
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