Smart cities can use business models to evaluate what value they offer citizens by integrating ICT into their infrastructure and services. The article introduces the concept of the 'city business model' and proposes a practical framework for analysing it. The City Model Canvas (CMC)-based on the Business Model Canvas for firms-shows the elements that city councils should consider during the design, delivery and assessment of smart services, including the smart service's expected economic, environmental and social impacts. An example of how the CMC was used to design an ICT platform in Bristol shows its utility as a planning tool.

Above 0 "C in various solvents the complexes cis-[PtH(SiR3)(PPh3),1 with R = C6H5, p-CICGH4. or p-MeC,H, undergo spontaneous interchange of the PPh3 ligand positions by a mechanism which retains P -. -(Pt) ---H spin correlation and is thus intramolecular and non-dissociative within the limits of the n.m.r. experiment.

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This paper describes the kinetic study of an anation reaction.