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硅灰石的应用与开发一、我国硅灰石资源概况及工业现状我国硅灰石工业始于８０年代初，起步较晚。虽然１９９０年商品矿产量已达７万吨，占世界总产量的１／４，但是，绝大部分产品为块状和４００孔／２４．５ｍｍ以内的粗粒子，深加工产品如高白度、高长径比的针状微米级...
Application and Development of Wollastonite I. Overview of wollastonite resources and industrial status in China Wollastonite industry in China started in the early 1980s and started relatively late. Although the output of mineral products in 1990 has reached 70,000 tons, accounting for 1/4 of the world’s total output, most of the products are in the form of lumps and coarse particles within 400 holes / 24.5mm. Deep-processed products such as high whiteness and high Aspect Ratio of Needle Micrometer ...