本文選題：離子型稀土礦石 + 土壤顆粒粒度分析��； 參考：《中國稀土學(xué)報(bào)》2016年05期

【摘要】：顆粒粒度分布是土壤最重要的物理性質(zhì)之一,對土壤水分運(yùn)動(dòng)和溶質(zhì)遷移,以及水土流失有重要影響,同樣對離子型稀土礦石的滲透性能和水力學(xué)特性有著重要影響。通過江西龍南鄉(xiāng)標(biāo)稀土礦石干篩法和水洗篩分法顆粒粒度分析結(jié)果比較研究發(fā)現(xiàn),干篩法粒度分析結(jié)果反映的是團(tuán)粒的顆粒粒度分布特征,而水洗篩分法粒度分析結(jié)果可基本反映單顆粒粒度分布特征。因此,在研究離子型稀土礦石或原地浸礦邊坡土體顆粒粒度分布時(shí),應(yīng)考慮不同水動(dòng)力條件下團(tuán)聚體的穩(wěn)定性,合理選擇粒度分析方法。
[Abstract]:Particle size distribution is one of the most important physical properties of soil. It has an important influence on soil water movement, solute migration and soil erosion, as well as on the permeability and hydraulic properties of ionic rare earth ores. By comparing the results of particle size analysis between dry sieving method and washing screening method, it is found that the results of dry sieving method reflect the particle size distribution characteristics of pellets. The results of particle size analysis by washing and screening method can basically reflect the characteristics of particle size distribution of single particle. Therefore, in the study of particle size distribution of ionic rare earth ore or in situ leaching slope, the stability of aggregates under different hydrodynamic conditions should be considered and the particle size analysis method should be reasonably selected.
【作者單位】： 江西理工大學(xué)資源與環(huán)境工程學(xué)院江西省稀土資源高效利用重點(diǎn)實(shí)驗(yàn)室;江西應(yīng)用技術(shù)職業(yè)學(xué)院;
【基金】：國家自然科學(xué)基金項(xiàng)目(41063001) 國家級(jí)大學(xué)生創(chuàng)新創(chuàng)業(yè)訓(xùn)練項(xiàng)目(201510407001)資助
【分類號(hào)】：S152
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本文編號(hào)：1858374