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本文主要研究石榴子石族矿物在100，150．400，650℃下，2．5～25（40）μm波长范围内的红外光谱发射率和总发射率。测试结果表明，石榴子石发射率大小受其成分、铁离子价态、温度、压力及铁、钴、镍等过渡族元素的影响。
In this paper, the infrared spectral emissivity and total emissivity of garnet group minerals in the wavelength range of 2.5 ~ 25 (40) μm at 100,150,400,650 ℃ are studied. The test results show that the emissivity of garnet is affected by its composition, valence of iron ions, temperature, pressure and transition elements such as iron, cobalt and nickel.