1案例1.1简要案情和病史摘要宋某,男,67岁,某年4月6日因“反复尿频、尿急2年余,加重3 d”入住某院。查体:脉搏83次/min,呼吸17次/min,血压22.8/10.7 k Pa(171/80 mm Hg)。泌尿系彩色多普勒超声检查示:前列腺体积增大伴钙化灶。胸部CT示...1案例1.1简要案情和病史摘要宋某,男,67岁,某年4月6日因“反复尿频、尿急2年余,加重3 d”入住某院。查体:脉搏83次/min,呼吸17次/min,血压22.8/10.7 k Pa(171/80 mm Hg)。泌尿系彩色多普勒超声检查示:前列腺体积增大伴钙化灶。胸部CT示:主动脉及冠状动脉壁钙化,心影未见增大,心包可见少量梭形积液;双侧胸膜腔未见积液。展开更多
In this paper, the reliability of contactor relay is studied. There are three main parts about reliability test and analysis. First, in order to analyze reliability level of contact relay, the failure ratio ranks are ...In this paper, the reliability of contactor relay is studied. There are three main parts about reliability test and analysis. First, in order to analyze reliability level of contact relay, the failure ratio ranks are established as index base on the product level. Second, the reliability test method is put forward. The sample plan of reliability compliance test is gained from reliability sample theory. The failure criterion is ensured according to the failure modes of contactor relay. Third, after reliability test experiment, the analysis of failure physics is made and the failure reason is found.展开更多
文摘1案例1.1简要案情和病史摘要宋某,男,67岁,某年4月6日因“反复尿频、尿急2年余,加重3 d”入住某院。查体:脉搏83次/min,呼吸17次/min,血压22.8/10.7 k Pa(171/80 mm Hg)。泌尿系彩色多普勒超声检查示:前列腺体积增大伴钙化灶。胸部CT示:主动脉及冠状动脉壁钙化,心影未见增大,心包可见少量梭形积液;双侧胸膜腔未见积液。
文摘In this paper, the reliability of contactor relay is studied. There are three main parts about reliability test and analysis. First, in order to analyze reliability level of contact relay, the failure ratio ranks are established as index base on the product level. Second, the reliability test method is put forward. The sample plan of reliability compliance test is gained from reliability sample theory. The failure criterion is ensured according to the failure modes of contactor relay. Third, after reliability test experiment, the analysis of failure physics is made and the failure reason is found.