论文部分内容阅读
一、在仪器开始工作前最好有一个预热过程 ,X射线机送高压前 ,灯丝要提前予热2 min以上 ,这对延长 X射线管使用寿命影响很大。仪器停用的时间越长 ,预热时间也越长。二、在启动高压时 ,先调至最大功率的 50 % ,然后以 1 0 %的速度递增训机至最大值这种做法适用于停用一个晚上或
First, it is best to have a preheating process before the instrument starts working. Before the X-ray machine sends the high pressure, the filament should be preheated for more than 2 min, which greatly affects the service life of the X-ray tube. The longer the instrument is deactivated, the longer the preheating time is. Second, at the start of high pressure, first adjusted to 50% of the maximum power, and then increase the training machine to a maximum of 10% speed This method is applicable to disable one night or