The paper introduces the application of hydraulic cyclones in tailing filling,grading,and prethickening.
介绍了水力旋流器在尾矿充填、分级、

工艺中的生产应用。
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At old mining sites, waste and tailings ponds could be processed for their remaining resources, but the mines themselves would also need to be cleaned up and monitored for decades to prevent the poisoning soils and water supplies.
在旧矿区,
以对废料和尾矿池进行处理,以获取剩余资源,但矿区本身也需要进行清理,
进行数十年的监测,以防止土壤和水源污染。
It was not until the 1950s, though, after bacteria were found to be responsible for the phenomenon, that the process was commercialised to recover leftover material in tailings, the liquid and solid waste from mining operations.
但直到 20 世纪 50 年代, 人们才发现这种现象是由细菌造成的,这一工艺才被商业化, 用于回收尾矿中的剩余物质,即采矿作业产生的液体和固体废物。
Cepheid variables are reasonably easy to recognize because they are among the brightest variable stars, and they have a characteristic light curve, showing fairly rapid increases in brightness followed by a slower tailing off.
造父变星相当容易识别, 因为它们是亮度最高的变星
一,
且具有典型的光变曲线,显示出亮度相当迅速的增加, 随后是较为缓慢的减弱过程。