Results 71 to 80 of about 1,043,292 (124)

[Research progress of tibial plateau fracture associated with proximal fibular fracture]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Yang J, Zheng Z.
europepmc   +1 more source

[Research progress in treatment of Garden type <b>Ⅳ</b> femoral neck fractures in young adults]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Chen T, Qi B, Xu Z, Xu Y.
europepmc   +1 more source

An underwater spanner

, 2006
本发明提供一种适用于水下操作的水下扳手,它由水下电机、软轴、具有夹持装置的套筒及扳手架组成;水下电机安装在周围设有推进器及手柄的扳手架上方;具有高强度及大柔性的软轴安装于扳手架内部并与水下电机的轴啮合,形成一种相对于水下电机的伸缩机构且能使其适应螺纹孔的不同角度;能自主夹持螺栓或使螺栓脱落的可更换套筒安装于软轴底部并将螺栓与套筒固定为一体,使其与软轴一起运动;本发明能使扳手自主定位及自动对螺栓施加压力,同时利用对水的反向力矩来防止扳手转动,从而克服操作人员在水中失重所带来的不便;它具有柔度大、强度高 ...
张竺英, 李一平, 张银亮
core  

[Arthroscopic treatment of posterior cruciate ligament tibial insertion avulsion fractures using a four-leaf clover-shaped titanium plate combined with an adjustable loop]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Qian Y, Shi C, Jiang W, Wang B, Zheng W.
europepmc   +1 more source

基于计算机视觉的钢结构螺栓病害智能检测方法研究

Jianzhu Gangjiegou Jinzhan
针对钢结构螺栓病害检测中人工目检效率低、漏检和误判率高，传统深度学习模型检测精度差、抗噪能力弱且计算参数量大等问题，提出了一种基于改进YOLOv8的螺栓病害检测模型。该模型采用多尺度卷积改进骨干网络，通过多膨胀率卷积核增强了空间特征提取能力；通过引入CSPStage和DySample模块优化颈部网络，强化了多尺度特征融合的效率和质量，提高了模型在复杂场景下的抗噪能力。数据集获取方面利用DJI Mavic 4 Pro无人机采集了平阴黄河大桥钢桁架节点螺栓图像 ...
孙博, 王振, 周学军, 李秀领, 冯帅克   +4 more
doaj  

[Application of Ilizarov soft-tissue distraction technique in chronic limb wounds following popliteal artery injury]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wang H, Zhu G, Liu H, Zhu Y.
europepmc   +1 more source

[Transcutaneous osseointegration for amputees: foundational principles and current concepts]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Jason S H, S Robert R, Taylor J R, Zhu Y.   +3 more
europepmc   +1 more source

[Current status and future directions of stability reconstruction following spinal tumor resection]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhou J, Dong J.
europepmc   +1 more source

[Research progress on the role and mechanism of magnesium element and magnesium materials in tendon-bone interface healing]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Yue H, Zhu X, Sun Z, Meng J, Hao S, Dong X, Gao Z.   +6 more
europepmc   +1 more source

[Comparative efficacy of robot-assisted minimally invasive technique versus open reduction and internal fixation for Schatzker type I to III tibial plateau fractures]. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Lu J, Liu F, Wang K, Huang D, Zou Y, Chen L.   +5 more
europepmc   +1 more source