A study was conducted to identify Internet users’ needs and expectations towards airline/travel websites in Hong Kong. Five focus groups were conducted and the results showed that online shopping behavior centers around more traditional products such as compact discs, cinema tickets, souvenirs, gifts, software programs, books and so forth. Regarding their needs and expectations towards an ideal airline/travel website, Internet users believed that the content of it should be informative, Nike Free Run 3 Uk interactive and attractive.
In the present paper, a direct and unifying Bell polynomial approach is employed to find the bilinear representations, bilinear Bäcklund transformation and Lax pair of a generalised variable-coefficient fifth-order Korteweg–de Vries equation. Note that the
integrable constraint conditions on the variable coefficients can be naturally found in the procedure of applying the Bell polynomials. In addition, with the help of the Hirota bilinear method, the NN-soliton solutions of this equation are also obtained.
Magnetism has been known as a natural phenomenon, for over two thousand years Nike Free Run Uk Women
and the art of magnetizing steel was mastered half that time ago. However, it is only during this century that really substantial improvements have been made in the energy product of magnets. This article reviews the development of permanent magnets, with special reference to powerful modern alloys containing the rare earths neodymium and samarium.