It had been found out that dry up by airing or under the sun can improve washing-property of the ore markedly and increase washing-efficiency of bauxite ore.
在进行该矿样的洗矿试验时，发现通过晾干矿石可以大大改善该矿样的洗矿性能，提高洗矿效率。
Stability testing and compare of the Hydroextracting the Dark Brown Pigment from Walnut epicarp of dry in the sun and by the airing and retting .
将同一采样点的样品分别晒干、晾干、沤干后，以水为萃取剂，提取棕褐色色素，并对其稳定性进行了测试与比较。
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