Results 71 to 80 of about 637 (109)

[Influence of cryogenic treatment and age-hardening heat treatment on the corrosion behavior of a dental casting Ag-Pd alloy]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi, 2014
Zhao Y, Wu B, Meng Y.
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交流线路上悬式绝缘子钢脚腐蚀机理的研究

Dianci bileiqi, 1991
以雾中加压法作为模拟交流线路中腐蚀过程的加速试验方法,进行了持续1年的加速试验。本文是加速试验中钢脚腐蚀状况的调查报告。通过本研究可以从微观上了解钢脚腐蚀的机理,除了定量的掌握及实际线路事例的对比研究之外,还有必要分析腐蚀的关系 ...
doaj  

[Latest research progress of rare earth-magnesium alloys in orthopedics]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Sun Z, Zuo K, Zhu X, Yue H, Gao Z.
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Antibacterial property, corrosion and discoloration resistance of pure copper containing Zn or Ni. [PDF]

Rare Metals, 2022
Jiang Y, Zhang WJ, Mi XJ, Huang GJ, Xie HF, Feng X, Peng LJ, Yang Z.   +7 more
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[Research progress on the manufacturing technology of hollow microneedles]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhou S, Zhou H, Du X, Yu Z, Xu T, Zhao S, Su P, Zhang L, Fu G, Liu X.   +9 more
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Progress in research and development of biodegradable metallic vascular stents. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Yang Y, Zhang Z, Wang J, Fu K, Li D, He H, Shu C.   +6 more
europepmc   +1 more source

[Detection of neurofibroma combining radiomics and ensemble learning]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu Y, Wencheng D, Wang Y, Wang Y, Yan Y, Gan K, Pan T.   +6 more
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[Automatic measurement of acetabular cup anteversion angle using an accurate recognition technology based on improved Otsu algorithm and feature point]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu Q, Ma Y, Wu B, Zhang Y, Qi J, Mei Y.
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基于改进灰狼算法的接地网腐蚀诊断方法

Dianci bileiqi
接地网极易受土壤中的因素影响而发生腐蚀，电网络分析法是接地网腐蚀诊断中普遍采用的方法，其存在腐蚀诊断方程求解的高欠定性和寻优算法的不准确、不收敛等问题。本研究将一种改进灰狼算法(OLGWO)应用于腐蚀诊断方程的求解，通过引入反向学习和莱维飞行策略来改善传统灰狼优化算法中存在的初始种群分布不均、容易陷入局部最优等问题，并给出了接地网腐蚀检测的具体流程。通过对模拟接地网的腐蚀诊断结果表明，改进灰狼算法的收敛速度与寻优精度均优于传统优化算法，其诊断最大偏差不超过±5%；再将其应用于贵州某水电站接地网腐蚀诊断中，
李友才, 李晓龙, 罗周维, 彭威龙, 谢炀, 杨鑫   +5 more
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[Clinical observation of free palmaris longus tendon graft reconstruction in treatment of gouty tophus erosion lesions in flexor tendon of wrist and hand]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wang G, Lu C, Qu Z, Zhang Y, Bi B, Gao F, Zhang Z, Pan Y, Zhu E, Huang H.   +9 more
europepmc   +1 more source