Results 61 to 70 of about 1,885 (119)

[Effectiveness of staged therapy using external fixation frame for infectious nonunion near knee joint]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wang Z   +7 more
europepmc   +1 more source

[Aesthetic goals of hypospadias repair]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Tang Y.
europepmc   +1 more source

[Effect of porous surface structure on fatigue strength of 3D printed zirconia]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Zhao J   +6 more
europepmc   +1 more source

[Comparison of effectiveness between endoscopic and microscopic anterior cervical discectomy and fusion]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Huang C   +9 more
europepmc   +1 more source

基于DBO-SVM直升机大型吊篮相地间隙操作冲击放电电压的预测

open access: yesGaoya dianqi
直升机大型吊篮安全距离依赖于典型带电作业间隙放电电压的确定,由于吊篮其体积大且间隙结构复杂,在实际试验当中悬挂困难,难以固定,相比于其他类型的间隙放电试验而言,所花费的成本更高、周期更长。本文提出基于蜣螂优化算法的支持向量机(Support vector machine for optimizing dung beetle algorithm,DBO-SVM)模型,用于预测直升机大型吊篮相地间隙的放电电压。搭建了直升机大型吊篮相地间隙正极性操作冲击放电试验平台,获得相地间隙的放电特性曲线 ...
刘凯   +7 more
doaj  

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