Traditional method for overhaul of the top of miter gate is through manual operation by hydraulic hoisting jack which has the shortcomings of low efficiency and great risk.

摘要船闸人字门顶门检修的传统方法是采用液压千斤顶手动作业，工作效率低，时间长，技术风险大。

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If the operation risk is low and performed by competent personnel, although still need to do the analysis, but no official records of the risk assessment process of.

如果作业风险较低且由胜任的人员执行，虽然仍需要做分析，但无需正式记录风险评价过程。

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But there are 10% low-risk patients and 60% high-risk patients still encounter rejections after operation.

但仍有10%低危患者和60%高危患者术后遭遇排斥反应。

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Mr Rick Popert, Consultant Urological Surgeon, at Guys and St Thomas, who carried out Mr Mooney's operation said that the results of the new form of brachytherapy were proving very successful in low-risk cases (cases with a PSA of less than 10).

BBC: Patrick Mooney and Nurse Specialist, Janette Nichol.