U-commerce represents “anytime, anywhere” commerce. U-commerce can provide a high level of personalization, which can bring significant benefits to customers. However, customers’ privacy is a major concern and obstacle to the adoption of u-commerce. As customers’ intention to adopt u-commerce is based on the aggregate effect of perceived benefits and risk exposure (e.g., privacy concerns), this...

101 THIS TWO-PART FEATURE BEGAN with a discussion of why unconventional left-turn alternatives hold promise for the relief of congested urban and suburban arterials. Part One, which was printed in the September 1998 issue of ITE Journal on pages 26–29, also described three unconventional alternatives—the median U-turn, the bowtie and the superstreet. This part discusses four more alternatives.

Background: Despite numerous studies demonstrating the effectiveness of Restricted Crossing U-Turn (RCUT) intersection design, its implementation remains uneven and close to zero in some large states, including California. This paper provides a comprehensive framework estimate operational safety performance future RCUT designs. The is demonstrated for geometrically constrained located on high-s...

We study the Korn-Poincaré inequality: ‖u‖ W1,2(Sh) ≤ Ch‖D(u)‖L2(Sh), in domains S that are shells of small thickness of order h, around an arbitrary smooth and closed hypersurface S in R. By D(u) we denote the symmetric part of the gradient ∇u, and we assume the tangential boundary conditions: u · ~n = 0 on ∂S. We prove that Ch remains uniformly bounded as h → 0, for vector fields u in any fam...

We study the Korn-Poincaré inequality: ‖u‖W1,2(Sh) ≤ Ch‖D(u)‖L2(Sh), in domains S that are shells of small thickness of order h, around an arbitrary compact, boundaryless and smooth hypersurface S in R. By D(u) we denote the symmetric part of the gradient ∇u, and we assume the tangential boundary conditions: u · ~n = 0 on ∂S. We prove that Ch remains uniformly bounded as h→ 0, for vector fields...

T 9 S synthesized, where X = Gly (l), L-Ala (2), D-Ala (3), Aib (4) and L&U (5). ‘H NMR studies at 270 MHz in CDCI, and (CD@0 provide evidence of a Pro-X /?-turn conformation, stabilized by a transannular 4-l hydrogen bond involving the Cys(4) NH, in all the peptides. In addition peptides 2,4 and 5 also possess a second intramolecular hydrogen bond involving the -NHMe group. The spectroscopic d...