Experiment manifests that the leaching rates of zinc dross are elaborately enhanced and the leaching time of zinc oxide finishedore is shortened by means of ultrasonic strengthening.
试验表明利用超声波强化浸出锌浮渣可大大提高了锌浮渣的浸出率，缩短了浸出时间。
2
But the mine lacks manufacturing assets to process the ore into finished components.
不过，该矿缺乏把稀土矿石加工成成品的制造资产。
3
In 2011, China's finished steel and iron ore markets will continue to be characterized by fluctuations, with slow, gradual increases and sharp decreases.