As an important part of nonstructural components,the seismic response of indoor water supply pipes deserves much attention.This paper presents shaking table test research on water supply pipes installed in a full-scal...As an important part of nonstructural components,the seismic response of indoor water supply pipes deserves much attention.This paper presents shaking table test research on water supply pipes installed in a full-scale reinforced concrete(RC)frame structure.Different material pipes and different methods for penetrating the reinforced concrete floors are combined to evaluate the difference in seismic performance.Floor response spectra and pipe acceleration amplification factors based on test data are discussed and compared with code provisions.A seismic fragility study of displacement demand is conducted based on numerical simulation.The acceleration response and displacement response of different combinations are compared.The results show that the combination of different pipe materials and different passing-through methods can cause obvious differences in the seismic response of indoor riser pipes.展开更多
目的系统分析重复经颅磁刺激(repetitive transcranial magnetic stimulation,rTMS)治疗脊髓损伤后神经病理性疼痛(neuropathic pain,NP)的临床效果。方法计算机检索中国知网、万方数据库、维普、PubMed、Embase、Corchrane Library、We...目的系统分析重复经颅磁刺激(repetitive transcranial magnetic stimulation,rTMS)治疗脊髓损伤后神经病理性疼痛(neuropathic pain,NP)的临床效果。方法计算机检索中国知网、万方数据库、维普、PubMed、Embase、Corchrane Library、Web of science等中英文数据库,检索rTMS治疗脊髓损伤后NP的随机对照研究,采用Jadad量表进行质量评价后进行Meta分析。结果共纳入6篇文献。合并Meta分析显示,rTMS可显著降低脊髓损伤后NP患者的VAS/NRS水平(MD=-1.03,95%CI=-1.60~-0.46,P<0.01);rTMS可降低脊髓损伤后NP患者的HAMD评分(MD=-1.71,95%CI=-2.60~-0.82,P<0.01);rTMS对脊髓损伤后NP患者的HAMA评分影响不显著(MD=-0.84,95%CI=-5.48~3.81,P=0.72)。结论rTMS可缓解脊髓损伤后NP患者的疼痛程度,改善患者的抑郁状态。展开更多
基金Scientific Research Fund of Institute of Engineering Mechanics,China Earthquake Administration under Grant Nos.2021EEEVL0204 and 2018A02。
文摘As an important part of nonstructural components,the seismic response of indoor water supply pipes deserves much attention.This paper presents shaking table test research on water supply pipes installed in a full-scale reinforced concrete(RC)frame structure.Different material pipes and different methods for penetrating the reinforced concrete floors are combined to evaluate the difference in seismic performance.Floor response spectra and pipe acceleration amplification factors based on test data are discussed and compared with code provisions.A seismic fragility study of displacement demand is conducted based on numerical simulation.The acceleration response and displacement response of different combinations are compared.The results show that the combination of different pipe materials and different passing-through methods can cause obvious differences in the seismic response of indoor riser pipes.
文摘目的系统分析重复经颅磁刺激(repetitive transcranial magnetic stimulation,rTMS)治疗脊髓损伤后神经病理性疼痛(neuropathic pain,NP)的临床效果。方法计算机检索中国知网、万方数据库、维普、PubMed、Embase、Corchrane Library、Web of science等中英文数据库,检索rTMS治疗脊髓损伤后NP的随机对照研究,采用Jadad量表进行质量评价后进行Meta分析。结果共纳入6篇文献。合并Meta分析显示,rTMS可显著降低脊髓损伤后NP患者的VAS/NRS水平(MD=-1.03,95%CI=-1.60~-0.46,P<0.01);rTMS可降低脊髓损伤后NP患者的HAMD评分(MD=-1.71,95%CI=-2.60~-0.82,P<0.01);rTMS对脊髓损伤后NP患者的HAMA评分影响不显著(MD=-0.84,95%CI=-5.48~3.81,P=0.72)。结论rTMS可缓解脊髓损伤后NP患者的疼痛程度,改善患者的抑郁状态。
