患者,男,42岁,身高172cm,体重75kg,3~4天前饮酒受凉后出现咽痛,T38.2℃,自服头孢克洛症状无明显缓解,昨天开始左侧咽痛明显加剧,吞咽时尤甚,疼痛向同侧耳部和牙齿放射。扁桃体周围脓肿形成后的治疗原则是() ["激素","穿刺抽脓","隔离","切开引流","禁食、水","扁桃体切除术","以上都是"]
测定疲劳的方法
已知风机主电机的功率为3200KW,假设风机全天满负荷运行,求其一天的耗电量?
患者,男,42岁,身高172cm,体重75kg,3~4天前饮酒受凉后出现咽痛,T38.2℃,自服头孢克洛症状无明显缓解,昨天开始左侧咽痛明显加剧,吞咽时尤甚,疼痛向同侧耳部和牙齿放射。扁桃体周围脓肿常见并发症有() ["颈内静脉血栓","咽旁脓肿","急性喉炎","脓毒血症","喉水肿","脓性下颌下炎","化脓性颈淋巴结炎","败血症","以上都是"]
控制精浆凝固或液化的因素是()。 ["温度","无机盐浓度","酸碱度","含水量","酶"]
疲劳的消除