1. This article describes the calculation of K & the multiple of the safe braking torque of mine shaft hoisting and the way chosen, recommends a new view for the rectificating calculation of the max oil working pressure of the hydraulic power station.
提出了矿井提升安全制动力矩倍数K的计算和选定方法，对液压站最大工作油压的整定计算提出了新的看法。
2. Conclusion Compared with rhEPO, PEG-rhEPO showed long action time, low administration frequency, significant rectificating effect on anemia and good protection agaist death.
结论PEG-rhEPO作用时间持久，用药次数少，纠正贫血效果明显，保护效果良好。