منابع مشابه
Studies in Logic, Grammar and Rhetoric 21 (34) 2010
This paper presents the importance of logic in the medical field. Efficient and proper medical work is difficult without the knowledge of the rules of logic. Therefore, the paper will consider ways of implementing both classical logic and non-classical approach, e.g. temporal and fuzzy logic. The thesis will be supported by numerous examples illustrating how indispensable is the cognition of lo...
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The mol-ecule of the title compound, C(9)H(8)Cl(2)O, is almost planar: the dihedral angle between the benzene ring and the plane defined by the carbonyl O and ethane C atoms is 15.5 (2)°. The crystal packing is stabilized by inter-molecular C-H⋯O hydrogen bonds.
متن کامل3,3-Dichloro-1-(chloromethyl)indolin-2-one
In the title compound, C(9)H(6)Cl(3)NO, the pyrrole ring is almost coplanar with the benzene ring [dihedral angle = 1.90 (9)°], while the Cl-C-N-C torsion angle is 98.78 (17)°. In the crystal, pairs of mol-ecules are inter-connected by pairs of Cl⋯Cl inter-actions [3.564 (5) Å], forming dimers, which are further peripherally connected through inter-molecular C-H⋯O=C and π-π inter-actions [centr...
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Pedometers are simple and inexpensive body-worn motion sensors that are Abstract readily being used by researchers and practitioners to assess and motivate physical activity behaviours. Pedometer-determined physical activity indices are needed to guide their efforts. Therefore, the purpose of this article is to review the rationale and evidence for general pedometer-based indices for research a...
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In the title compound, C(15)H(12)Cl(4)O, the dihedral angle between the least-squares planes of the two benzene rings is 82.6 (9)°. The dihedral angles between the COC mean plane of the -oxy group and the two benzene rings are 84.3 (5) and 10.8 (5)°. In the crystal, two weak π-π inter-actions [centroid-centroid distances = 3.9989 (8) and 3.7912 (8) Å] and a C-H⋯π inter-action are observed.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2005
ISSN: 1600-5368
DOI: 10.1107/s1600536805019999