floatation n. 1.漂浮;(船的)下水。 2.【矿物】浮选(法)。 3.(公债等的)发行;(公司等的)设立;创业;(计划的)实行。 the floatation of a loan 筹资。 the centre of floatation 浮体的重心。 oil floatation 浮油选矿。
Directing to the storage character of qitaihe coal sources , using floatation method of nj dense medium centrifugal force not only meets the heeds of quality and amount of producing super activating carbon raw coal and has good separation result . the equipment investment is less and tailmine recovery is easy . it meets the needs of circumstance protection 针对七台河煤炭资源的赋存特性,应用nj重介离心力选煤方法,不仅满足了制备优质活性炭原料煤的质量和数量要求,而且分选效果好,设备投资少,尾矿物回收容易,满足了环保要求。