理想黑体

导出理想黑体辐射强度的相对变化与温度的相对变化之比的一般形式，并给出一般的计算方法和结果。

The general mathematical expressions of the rate of relative change between blackbody radiance and temperture are derived . The general calculation methods and its results are given .

目前，市面上可以买到几种微型热辐射源，但由于它们的发射率小而无法和理想的黑体热辐射源相比。

At present , there are several micro sized thermal emitters commercially available , because of their little emissivity , compared with an ideal black body radiator the emitted radiation is moderate .

由理想气体方程、黑体辐射的Planck分布及松原函数的协变性给出运动温度收缩关系的新论证；

The covariance of the state equation about ideal gas , Planck_law about black body radiation and thermodynamic Matsubara_function gives new proof of motion_temperature contraction .