Purpose – Six Sigma, as a concept, gains more and more attention and importance because of its comprehensive approach for company development and performance improvement of both products and processes. Nevertheless, Six Sigma is recognized for its complicated statistical and non‐statistical...

Reports the findings of a survey on ISO 9000 certified firms in Hong Kong conducted by the University Industrial Centre of the University of Hong Kong in August 1996. Findings suggest that while in general the number of firms certified to ISO 9000 had been increasing, the proportion of small and...

The fractal dimensions of zeolite A, zeolite X, Dowex MSC-1, Mordenite, zeolite Y, ZSM-5 and MSC-5A carbon sieve have been obtained by physical adsorption of different-sized adsorbates. The porosity of the solids is obtained from literature. Two simple equations with two integral variables can...

This paper presents the result of a study to identify the costs and benefits of obtaining ISO 9000 certification. Toward this goal, a survey of some 500 ISO 9000 certified companies has been carried out. Among them, more than 65 per cent believe that ISO 9001 certification is worthwhile, and...