结论CT动态增强检查可以反映肺癌的血供特点，可根据强化峰值来推测肿瘤的侵袭及转移情况。
Conclusion Dynamic ct enhanced scan can reflect the characteristic of blood in lung cancer. The invasion and metastasis in lung carcinoma can be predicted according to the ct enhanced peak.
为了克服峰值塑性应变的网格敏感性，对现有强化函数进行修正。
A modification to the existing hardening function is proposed to reduce the mesh sensitivity of the plastic strain at peak stress.
当氢含量大于0.2%(质量分数)时，由于此时氢元素的固溶强化起主导作用，因此随氢含量的增加，峰值应力随之增加。
When hydrogen content was bigger than 0.2%, the peak stress increased with the increase of hydrogen content, because hydrogen played a main role of strengthening.
分析了脉冲宽度、脉冲间隔、峰值电流、加工时间对强化层厚度的影响，并对强化层的显微硬度和耐磨性进行了分析。
The effects of pulse width, pulse interval, peak current and process time on intensified layer are analyzed. And the micro-hardness and the property of strengthening layer are also analyzed.
分析了脉冲宽度、脉冲间隔、峰值电流、加工时间对强化层厚度的影响，并对强化层的显微硬度和耐磨性进行了分析。
The effects of pulse width, pulse interval, peak current and process time on intensified layer are analyzed. And the micro-hardness and the property of strengthening layer are also analyzed.
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