Acetabular reconstruction with reinforcement ring for severe defect of the acetabulum in revision of THA 全髋关节翻修术中髋臼严重缺损的钢板重建
Disposal Technique on Railway Tunnel Lining Arch Ring Crack Defect 铁路隧道拱圈衬砌裂缝病害整治技术
Objective To report the methods and treatment outcome of the half ring cross finger flap for repair of skin defect in fingers. 目的报道半环状邻指皮瓣修复手指皮肤缺损的方法与疗效。
Conclusion The half ring cross finger flap was an optimal procedure for repair of skin defect of fingers, especially for degloving injury of the distal finger segment. 结论半环状邻指皮瓣是修复手指皮肤缺损,尤其是手指末端脱套伤的理想皮瓣。
Making round cuneiform steel ring on bit to fish out the smallest bottom ring which is shaking off as a result of welding defect et cetera, and according to practical experiences drafted structural schematic diagram of relevant tools. 在钻头处制作圆楔形钢圈打捞开焊震掉的最小底圈,等等,并根据实践经验,分别绘制了相应工具的结构示意图。
At home, the traditional method of establishing the forming ring rolling processing technique that the bulk of the people are using has much unavoidable defect, such as low efficiency, high cost in processing technique design and low precision and so on; 在国内,大部分都是采用传统人工制定工艺方案,其设计存在效率低,成本高,设计精度低等缺点;
Based on the defect characteristics introduced by stress of generator retaining ring, the parameters for ultrasonic examination are selected, and the typical defect waveforms are analyzed, from which some worth noticeable points are pointed out. 文章根据发电机护环的应力特点和由此导致的缺陷特征对超声波探伤的参数进行了选择,并对典型缺陷波形进行了分析,指出了发电机护环超声波探伤时应注意的事项。
Forming ring rolling processing technic comes down to many problems, including calculating and setting process parameters. The traditional method of establishing the forming ring rolling processing technic has much unavoidable defect; such as inefficiency and high cost in processing technic design. 环件轧制成形工艺涉及到许多工艺参数的计算和设置问题,传统的人工制定工艺方案,其设计效率低,成本高,具有很多不可避免的缺点。
To a certain extent, it is a real effect of the length of ring, the axial length, the depth of defect on pipeline remaining strength. 能够真实的反应缺陷的环向长度、轴向长度、深度对管道剩余强度的影响。
According to the sealing rubber ring defect detection, the main research work is introduced as followings: Firstly, the image processing algorithms were investigated, including image filtering, threshold segmentation, regional extraction and edge extraction. 针对密封橡胶圈的缺陷检测,本文主要做了以下几个方面的工作:1.研究了图像处理算法,包括图像滤波、阈值分割、区域提取以及边缘提取。