Results 21 to 30 of about 2,364,715 (303)
Acta Crystallographica Section E, 2012 The title compound, [Hg5Br10(C7H8N2O)2]n, contains two μ3-bridging Br atoms, six μ2-bridging Br atoms and two terminal Br atoms. One HgII atom, lying on an inversion center, adopts a distorted octahedral geometry defined by six Br atoms.
Sadif A. Shirvan, Moayad Hossaini Sadr
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Influence of the Load Distribution and Sizes on the Wheel Geometry in Passenger Cars
Communications, 2021 This paper discusses impact of changes in the load size and distribution in passenger cars on geometry of the suspension and steering systems. It was found to have a major impact on the road safety. The research was carried out with the four most popular
Jarosław Gonera +2 more
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On the complexity of minimum-link path problems [PDF]
, 2016 We revisit the minimum-link path problem: Given a polyhedral domain and two points in it, connect the points by a polygonal path with minimum number of edges.
Sub Computational Geometry +14 more
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PRE-SERVICE TEACHERS PERFORMANCE IN GEOMETRY IN THE COLLEGES OF EDUCATION, GHANA
JETEN, 2022 Studies indicate that geometry enables pre-service teachers to link mapping objects in the classroom to real-life situations. Additionally, studies indicated that the proficiency development of the participants is a challenge.
Puotier Zutaah +2 more
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Tris(ethylenediamine-κ2N,N′)nickel(II) bis(dimethyl phosphate)
Acta Crystallographica Section E, 2012 In the title compound, [Ni(C2H8N2)3][O2P(OCH3)2]2, the NiII atom is six-coordinated in a distorted octahedral geometry by six N atoms from three ethylenediamine ligands. The P atoms of the anions adopt a distorted tetrahedral geometry.
Masoud Rafizadeh +2 more
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Acta Crystallographica Section E, 2011 In the title compound, [ZnI2(C13H19N3O)], the ZnII ion is five-coordinated in a distorted square-pyramidal geometry, in which the basal plane is defined by three N atoms from the Schiff base ligand and one iodide ion.
Nura Suleiman Gwaram +2 more
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Transitive Decompositions of Graphs and Their Links with Geometry and Origami [PDF]
The American Mathematical Monthly, 2010 A transitive decomposition of a graph is a partition of the edge or arc set giving a set of subgraphs which are preserved and permuted transitively by a group of automorphisms of the graph. In this paper we give some background to the study of transitive decompositions and highlight a connection with partial linear spaces.
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Geometry of alternating links on surfaces
Transactions of the American Mathematical Society, 2020 We consider links that are alternating on surfaces embedded in a compact 3-manifold. We show that under mild restrictions, the complement of the link decomposes into simpler pieces, generalising the polyhedral decomposition of alternating links of Menasco.
Howie, Joshua A., Purcell, Jessica S.
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Luigi Cremona and Wilhelm Fiedler: the link between descriptive and projective geometry in technical instruction [PDF]
, 2019 This paper considers Luigi Cremona’s and Wilhelm Fiedler’s outlook on technical instruction at school and university level, their vision about the educational role of descriptive geometry and its relation to Monge’s original conception.
Marta Menghini
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Acta Crystallographica Section E, 2011 In the centrosymmetric dinuclear title compound, [Pb2(C10H6NO2)2(CH3COO)2(C2H5OH)2], one O atom of the carboxylate group of the quinoline-2-carboxylate anion connects the two PbII atoms.
Ezzatollah Najafi +2 more
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