| China is famous for its porcelain.Celadon,which has pivotal meaning ,has a very long history.So it's very meaningful to research on it.This paper is divided into four parts:First two parts is about the test by means of EDXRF.there are two group of celadon samples.one group is unearthed from Hangzhou Southern Song Imperial site,the other group is unearthed from Longquan Feng Dong Rrock for the first time.Testing data was analysed by Multivariate statistical analysis methods and get such results:1) "Longquan type" celadon shards were not made in the Guan kiln of Southern Song Dynasty2) "Longquan type"celadon shards have the same composition on body but differenton glaze while compared with celadon from southern song dynasty. They maybe made in the same kilns in different periods, or different periods but the same kilns.3) From Southern Song daynasty to Ming dynasty,CaO content has greatly decreased while Alkali metal oxide content increased significantly.4) Factor analysis method can help identify celadon glaze.5 ) Longquan celadon processing system using the principle of proximity, and thisprocess has continuity characteristics.6) The quality of celadon glaze can not be decided by CaO content.The last two parts explore the strengthening and anti-bacterial technology of Longquan celadon for first time.After trying different formulas,we got such conclusions:1) Antimicrobial is suitable for traditional Longquan glaze,which has good antibacterial effect.2) Antimicrobial agent content of 5% -7% of the sample have the best antibacterial effect3 ) With the increased levels of antimicrobial agents, the antibacterial rate significantly increased, butwhen reached a certain peak, the antibacterial rate is no longer increased, and there is a downward trend.4) In the 1380℃sintering temperature, 25a, and 30a Celadon flexural strength of two formulas are more than 100Mpa.Celadon strength has grealy improved...
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