Results 111 to 120 of about 2,489,703 (160)

[Analysis of risk factors and construction of a predictive model for perioperative urosepsis]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Ye Z, Ding T, Li Y, Liang S, Zou W.
europepmc   +1 more source

[Archeological Research on Third Molar Degeneration]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Huang H, Zhou J, Zhou X.
europepmc   +1 more source

变电站接地网接地散流与热稳定性仿真计算研究

open access: yesGaoya dianqi
柔性石墨复合接地材料作为一种非金属防腐接地材料在输电线路杆塔的接地散流与防腐方面有良好的表现,但在变电站的应用中,柔性石墨复合接地材料在故障电流入地时存在熔断的风险。针对柔性石墨材料在变电站中的应用,文中采用Comsol Multiphysics仿真软件搭建仿真模型,对比分析柔性石墨接地网与传统金属接地网的散流特性与温升特性,分析入地电流幅值、土壤特性与入地位置对接地网散流特性与热稳定性的影响。仿真结果表明:在雷击作用时,柔性石墨接地网与传统金属接地网的散流效果相近,雷电流入地时不存在熔断风险 ...
张建伟   +5 more
doaj  

[Archaeological Research on Periodontal Disease]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Zhou X, Zhou J.
europepmc   +1 more source

[Efficacy of thermo-expandable nickel-titanium alloy ureteral stent placement as maintenance therapy for ureteral strictures]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Chen G   +7 more
europepmc   +1 more source

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