Results 71 to 80 of about 1,018 (119)

[Progress in electric field assisted molecular imprinting technology]. [PDF]

Se Pu
Wu JY, Huang XJ.
europepmc   +1 more source

[Impact of preoperative cardiology consultation on major adverse cardiac events in non-cardiac surgery patients: a retrospective cohort study]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Wang P, Zhang K, Wang H, Yang L, Liu Y, Cao J, Li H, Mi W, Lou J.   +8 more
europepmc   +1 more source

[Preparation of fluorescent carbon dots by flow-assisted melt polymerization for tetracycline detection in medical wastewater]. [PDF]

Se Pu
Liu ZW, Ni LX, Chi J, Qin YX, Shi ZJ, Wang Y, Wei HZ, Feng L, Sun CL.   +8 more
europepmc   +1 more source

[Analysis of cochlear reimplantation surgery and factors influencing postoperative auditory and speech function]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Bi Q, Chen Z, Lyu Y, Yang W, Xu X, Li Y, Li Y.   +6 more
europepmc   +1 more source

[Intraoperative management of potentially fatal arrhythmias after anesthesia induced by severe hypokalemia: A case report]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban, 2023
Wang JC, Yao YX, Guo XY.
europepmc   +1 more source

[Determination of trace polychlorinated biphenyls in environmental water samples by solid-phase microextraction-gas chromatography-tandem mass spectrometry using carbon nanotube composite microspheres materials]. [PDF]

Se Pu
Song XL, Zhu SQ, Wu YX, Zhong LY, Liu YQ.   +4 more
europepmc   +1 more source

[Construction and practice of the "Construction Supports Competitions-Competitions Nurture Teaching-Teaching Promotes Learning" closed-loop innovative teaching mode： a case study of micro-plasma emission spectrometer setup and trace element analysis experiment]. [PDF]

Se Pu
Xue WY, Ke D, Zhang X, Zhou XD, Yang RN, Chao QC, Chen ML, Meng H, Yang T.   +8 more
europepmc   +1 more source

[Research progress in polyamide-amine dendrimer functionalized ionic separation media]. [PDF]

Se Pu
Zhou D, Guo DD, Zhu Y.
europepmc   +1 more source

基于LSTM-MIV神经网络的SF₆断路器触头电寿命预测

Gaoya dianqi
文中基于LW30-40.5型SF6断路器全寿命烧蚀试验数据，采用归一化异常指数F反映断路器触头剩余电寿命，0表示电寿命完备，1表示电寿命耗尽。根据断路器分闸动态电阻—行程曲线，提出了将动态电阻—行程曲线上行程大于8 mm且电阻值大于500 μΩ的第一个峰值点作为断路器主触头接触阶段与弧触头接触阶段分界点。据此得到反映断路器触头异常指数F的5个特征参数，采用皮尔逊相关系数法对特征参数进行独立性分析。通过LSTM神经网络建立了基于特征参数与异常指数F之间的回归预测模型，F回归预测均方差和绝对平均误差分别为0.
马飞越, 李澳, 吴诚威, 于家英, 陈磊, 倪辉   +5 more
doaj  

[Analysis and Projection of the Burden of Chronic Respiratory Diseases Attributable to Smoking in China, 1990-2021]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Xie X, Lin D, Li M, Ye X, Fang J, Zhang X, Xue A.   +6 more
europepmc   +1 more source