In recent yeas,with the development of superfine and surface modification technology,the preparation of nanon calcium carbonate and its application is the research focus at home and abroad.

• 近年来,随着碳酸钙的超细化及表面改性技术的发展,纳米碳酸钙制备技术及应用,已成为国内外竞相开发的研究热点。