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[Modeling and comfort analysis of arrayed air cushion mattress for pressure ulcer prevention and assisted repositioning]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Xiao Y, Liu T, Meng C, Jiao ZA, Meng F, Guo S.   +5 more
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[Structural design and mechanical analysis of a "drum-shaped" balloon-expandable valve stent in expanded configuration]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhao Y, Hou Q, Zhou J, Chen S, Zhang H, Qiao A.   +5 more
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[A Novel <i>rpsE</i> Mutation Mediates High-Level Spectinomycin Resistance in <i>Neisseria gonorrhoeae</i> and Influences Their Biological Fitness]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Li M, Yang G, Wang Y, Yong G, Wang H.
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[Research on hybrid brain-computer interface based on imperceptible visual and auditory stimulation responses]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Pang Z, Wang Y, Dong Q, Cheng Z, Li Z, Zhang R, Cui H, Chen X.   +7 more
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[Application and research progress of mandibular distraction osteogenesis in craniofacial microsomia]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Li L, Zhang Z.
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[Shape-aware cross-modal domain adaptive segmentation model]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu Y, Qi L, Diao Z, Feng G, Li Y, Jiang Z.   +5 more
europepmc   +1 more source

[Determination of 17 bisphenol compounds in human urine by solid supported liquid-liquid extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Jin Y, Zhang LG, Zhou JX, Ma JJ, Yuan LL, Xiao P, Wang GQ.   +6 more
europepmc   +1 more source

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Effect of morphological gene mutation and decay on energy dissipation behaviour of granular soils

Journal of Zhejiang University: Science A, 2022
目的 本文旨在探讨不同尺度颗粒形貌特征对于砂土应力-应变以及能量耗散行为的影响。 方法 1. 通过同步X射线计算断层扫描实验,提取高精度的真实颗粒形貌,并通过三维点云表征;2. 通过基于球谐分析的主成分分析方法,构建不同尺度下颗粒形貌的突变与衰减;3. 通过离散单元法仿真,模拟不同形貌试件的三轴剪切过程,并进一步讨论不同尺度颗粒形貌对于颗粒材料应力-应变以及能量耗散行为的影响。 结论 1.
W. Xiong, Qi-min Zhang, Jian-feng Wang
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声发射技术在钢桥面系疲劳损伤监测中的应用与研究

智能城市应用
通过正交异性钢桥面板与铺装结构体系足尺试验模型进行疲劳试验，结合声发射传感器、电阻式应变片和位移计多种传感技术监测分析钢桥面系足尺模型疲劳损伤状况，同时评估声发射技术对钢桥面系结构疲劳损伤性能监测效果。结果表明：声发射AE传感器能够有效捕捉钢桥面系急剧变化或衰减敏感信号，足尺模型加载200万次后钢桥面板挠度变形自0.5mm增加至0.8mm，钢桥面系肋间刚度损失约60%，关键细节部位应变由250με减少至45με；且通过取芯验证钢桥面系层间粘结强度减少30%，对比AE峰值能量信号增加40%～50 ...
乐乐 孟, 浩浩 张
semanticscholar   +1 more source