一、前言在许多工业中,没有令人满意的测量和控制温度的测温技术。欠缺的代价是能源利用率低和原材料的不必要损耗。一种特别例子是在不能用接触法而要用辐射法测温的生产过程中,要对现有技术做大的改进。限制很多这些方法的基本原因是必须知道表面辐射率ε,以 I. INTRODUCTION In many industries, there is no satisfactory temperature measurement technique for measuring and controlling temperature. Lack of cost is the low energy efficiency and the unnecessary loss of raw materials. A special case is the big improvement in the prior art in the production process that can not be measured by the radiation method using the contact method. The basic reason for limiting many of these methods is the need to know the surface emissivity ε