一、理想循环—逆卡诺循环 冷凝器 蒸发器

1制冷的种类 -水(℃以上) -水(Brine,0℃以下) ·氯化的液

一、压缩机的类型 二、活塞式压缩机的工作过程及热力计算

1、节流降压 2、控制冷媒流量,使蒸发器保持一定液体量 3、等焓过程

Concept A protective reflex that can be controlledconsciously Remove excessive secretion & foreignmaterial from the airway Initiated by miscellaneous stimuli or byvoluntary exertion. The most common respiratory symptom

CONTENT Definition Etiology and clinical appearance Accompanied symptoms Approach to the patient

CONTENT Definition of hematuria Etiology Clinical feature Differential diagnosis Laboratory tests Accompanied symptoms

一、血尿(Hematuria 二、尿频、尿急、尿痛 三、尿失禁 四、尿潴留 五、少尿与多尿

编写病历的基本要求 1.内容要真实 2.格式要规范 3.描述要精炼,用词要恰当 4.填写要全面,字迹要清晰

发绀（紫绀）→血液中还原血红蛋白增多→皮肤、粘膜呈青紫色