一张质量优良的X光照片,除了正确选择投照条件之外,显影液温度乃是一个重要因素。温度过低,显影时间延长,照片灰雾度增加,对比度及清晰度均有下降。为满足临床诊断的需要,在无自动冲洗机的情况下,自动加温控制器是不可少的设备。 我设计了一台电子自动加温器,由于选用了时 A good quality X-ray photos, in addition to the right to choose the conditions for the vote, the developer temperature is an important factor. Temperature is too low, the development time is extended, the photo fog increases, the contrast and clarity have dropped. In order to meet the needs of clinical diagnosis, in the absence of automatic washing machine, automatic heating controller is essential equipment. I designed an electronic automatic warmer, due to the selection of the time