One department of a spinning mill in Philadelphia had a labour turnover rate of 250%—that is, nobody stayed in a job for more than five months—while the average for other parts of the company was 6%.
The moisture content distribution and relationship between moisture content and radon emanation rate on the tailings surface in Hengyang Uranium Mill are described.
描述了中国核工业集团公司衡阳铀厂尾矿库滩面的含水量分布，以及含水量与氡析出率的关系。
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Methods With the lead-removing rate as an index, the ratio of mungbean powder, Lycium chinensis Mill powder, jujube powder and licorice powder was optimized by an orthogonal test.