2009-11-11
inert ceramic balls are the most widely used in refining, petrochemical, and gas processing...
catalyst, alumina ball
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2007-3-4
As the increase of automobile,it is becoming more and more serious in air pollution caused by...
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2007-3-4
honeycomb catalyst substrate,honeycomb ceramic,industrial ceramic Honeycomb ceramic is used as...
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2006-12-19
Brief introduction
The rare-earth elements (REE) are the...
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