This paper details the recent trends in slag related research from 1999 to 2003. The trends in the following are outlined: Annual publication rate Geographical origin of the work Nature of the research (e.g. thermodynamics, kinetics) Nature of the slag studied. This study has revealed that slag research in the USA and Europe has decreased to about a half over the last 20 years and that there has been a significant decrease in Japanese research in this area in recent years. However, these decreases have been offset by significant increases in Chinese and Korean research activity. There has been a significant increase in the amount of work carried out on recycling and environmental aspects of slags in recent years.
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