求翻译：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：是什么意思？

Limited laboratory screening from 27 samples of particle size of 0.1-0.25mm samples sent to the qualification of heavy mineral testing Langfang Branch rock mineral separation of heavy mineral processing and identification, analysis accuracy 99.8-99.99% of the sorting process is as follows:

In 27 samples from screening the particle size of 0.1 - 0.25 mm of the samples sent to the mineral testing analysis for the Hebei Langfang University rock minerals limited sub-option for heavy minerals in the laboratory for processing and identification, and analysis Accuracy is 99.8 - 99.99 per cen

Sieves the particle size from 27 samples is the 0.1-0.25mm sample, delivers has in the heavy mineral test analysis intelligence Hebei Langfang Science and Technology Institute of China Rock Mineral Separation Limited company laboratory to carry on the heavy mineral processing and the appraisal, the

Sieve separation of particle size from 27 samples for 0.1-0.25mm samples, sent to a heavy mineral testing analysis of quality of Hebei Langfang rock and mineral separation limited laboratory processing and identification of heavy minerals within, analysis of accuracy of 99.8-99.99%, the separation p

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