装配式冷库实际采用隔热层材料导热系数数值应为以下哪一项数值?()A、≤0.018W/ 发布时间:2017-11-01 14:11 │ 来源:www.tikuol.com 题型:单项选择题 问题: 装配式冷库实际采用隔热层材料导热系数数值应为以下哪一项数值?()A、≤0.018W/m.KB、≤0.023W/m.KC、≤0.040W/m.KD、≤0.045W/m.K
题型:单项选择题 患者男,61岁。因持续剧烈胸痛伴胸闷2h入院。在当地医院查心电图示V5~V6导联ST段压低0.5mV,T波低平,双向。既往有高血压病史。查体:T37℃,R20次/min,HR75次/min,BP60/40mmHg。意识清醒,心脏浊音界向左下扩大,心音略低,未闻及明确杂音或异常心音。提示:入院后复查心电图无明显改变,查心肌酶及肌钙蛋白I无明显升高,约2h后患者出现意识淡漠,四肢厥冷,血压降至60/25mmHg。为明确诊断,应进一步检查()A.床旁超声心动图B.CTC.肺功能D.MRIE.胸部X线片F.D-二聚体 查看答案
题型:单项选择题 The radiotelegraph alarm signal is().A.SOS sent three timesB.ten one-second dashes with a four-second interval between themC.twelve four-second dashes with a one-second interval between themD.twelve one-second dashes with a short interval between them 查看答案