a从27个样品中筛分出粒径为0.1-0.25mm的样品,送到具有重矿物测试分析资质的河北廊坊科大岩石矿物分选有限公司实验室内进行重矿物的处理和鉴定,分析精度达到99.8-99.99%,其分选过程如下: Sieves the particle size from 27 samples is the 0.1-0.25mm sample, delivers has in the heavy mineral test analysis intel...