Results 131 to 140 of about 31,188 (236)

[Research progress in biomechanics of different fixation methods for medial opening-wedge high tibial osteotomy]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Shao H   +6 more
europepmc   +1 more source

航空煤油火蔓延特性分析 [PDF]

open access: bronze, 2010
昌建 王   +5 more
openalex   +1 more source

自发性单形性非持续性室性心动过速的特征

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 1994
分析连续24h动态心电图检测的37例618次单形性非持续性室性心动过速(NSVT),结果表明:NSVT平均发作次数为16.7±28.9次/24h,NSVT平均频率为161.2±26.1次/min.时程为3个QRS波群的NSVT占大多数(86.4%),≥6个QRS波群的NSVT多见于器质性心脏病(80%)。NSVT呈昼夜节律分布,高峰出现在上午8~10h。NSVT第1个搏动的平均偶联间期(CI)为479.7±78.4ms,平均提前指数(PI)为1.33±0.24。PI<1仅占2.9 ...
doaj  

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