Results 151 to 160 of about 3,225 (176)

[Analysis of the global competitive landscape in artificial intelligence medical device research]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Chen J, Pan L, Long J, Yang N, Liu F, Lu Y, Ouyang Z.   +6 more
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[The application of machine learning in the auxiliary diagnosis of specific learning disorder]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Zhao H, Mei SL, Wang JY, Chi X.
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[Clinical characteristics and long-term follow-up study of basal ganglia infarction after minor head trauma in infants and young children]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Xu H, Wu CC, Tang JH, Feng J, Xiao X, Shi XY, Mei DQ.   +6 more
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[Discrimination of macrotrabecular-massive hepatocellular carcinoma based on fusion of multi-phase contrast-enhanced computed tomography radiomics features]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhang Z, Xie J, Zhong W, Liang F, Zhang W, Sun Y, Zhen X, Yang R.   +7 more
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[Electroencephalographic assessment of the relationship between frontal alpha asymmetry and emotion dysregulation in children with attention deficit hyperactivity disorder]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Chen L, Zhao LL, Wu XC, Li HY, Zhang WW.
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[<i>Qingjie Fuzheng</i> Granules alleviates 5-fluorouracil-induced skeletal muscle injury in tumor-bearing mice by inhibiting mitochondria-dependent apoptosis and activating the AMPK-PGC-1α pathway]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Zhao J, Peng J, Lin M, Zhu X, Huang B, Lin J.   +5 more
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[A single repetition time quantitative magnetic susceptibility imaging method for the lumbar spine using bipolar readout gradient]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Dong Z, Guo Y, Liu Q, Zhang Y, Qiu Q, Zhang X, Feng Y.   +6 more
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[Assessment of upper limb rehabilitation exercise participation based on trajectory errors and surface electromyography signals]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wang X, Lyu J, Fang S.
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[Practical guideline on the prevention and management of diabetic foot in China (Ⅰ)]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Chinese Burn Association, Yangtze River Delta Integrated Diabetic Foot Alliance, Editorial Committee of Chinese Journal of Burns and Wounds.   +2 more
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基于振动信号的电机轴承故障检测与维修策略

环球科学与工程
刘上一 哈电集团佳木斯电机股份有限公司，黑龙江佳木斯 摘要：轴承的健康状况会对设备运行的可靠性产生直接影响，而传统的定期维修方式因存在盲目性，所以难以对突发故障进行精准应对。本文特意提出了一套以振动信号为基础的闭环技术方案，该方案不仅系统地阐述了从传感器的选型、安装以及信号的预处理滤波，再到时域与频域特征参数提取的具体实施方法，借助这一流程得以实现对轴承内圈、外圈以及滚动体故障的类型识别和严重程度分级，进一步地，依据诊断所得到的结果，制定出了分级的维修响应机制以及预测性维修计划优化模型 ...
刘上一
semanticscholar   +1 more source