插入导管

4 rabbits died during anaesthesia, 4 rabbits had hematonephrosis because of long distance tube inserted, and infection happened in 1 rabbit.

4死于麻醉,4因导管插入过长引起肾盂内积血,1感染。

By inserting a tube into the melted iron to form a greybody tube and to make the emissivity steady.The temperature of the melted iron can be obtained using a optical fiber thermometer.

其中一种途径即利用一个空芯导管插入铁水中,形一个近似体腔,使腔内铁水表面发射率基本不变,然后利用光纤比色测温仪示出温度。